WorldWideScience

Sample records for designing mobile systems

  1. Client Mobile Software Design Principles for Mobile Learning Systems

    Directory of Open Access Journals (Sweden)

    Qing Tan

    2009-01-01

    Full Text Available In a client-server mobile learning system, client mobile software must run on the mobile phone to acquire, package, and send student’s interaction data via the mobile communications network to the connected mobile application server. The server will receive and process the client data in order to offer appropriate content and learning activities. To develop the mobile learning systems there are a number of very important issues that must be addressed. Mobile phones have scarce computing resources. They consist of heterogeneous devices and use various mobile operating systems, they have limitations with their user/device interaction capabilities, high data communications cost, and must provide for device mobility and portability. In this paper we propose five principles for designing Client mobile learning software. A location-based adaptive mobile learning system is presented as a proof of concept to demonstrate the applicability of these design principles.

  2. Design of the American Mobile Satellite System

    Science.gov (United States)

    Kittiver, Charles

    1991-01-01

    This paper presents an overview of the American Mobile Satellite Corporation (AMSC) Mobile Satellite System (MSS). A summary of the mobile satellite (MSAT) design and overall performance is provided. The design and components of both the forward link and return link transponders are described in detail. The design and operation of a unique hybrid matrix amplifier that offers flexible power distribution is outlined. The conceptual design and performance of three types of land mobile antennas are described.

  3. Mechatronics Design of a Mobile Robot System

    Directory of Open Access Journals (Sweden)

    Ahmad A. Mahfouz

    2013-02-01

    Full Text Available Mobile robot motion control is simplified to a DC motor motion control that may include gear system. The simplest and widespread approach to control the mobile robot motion is the differential drive style, it consists of two in-lines with each a DC motor. Both DC motors are independently powered so the desired movements will rely on how these two DC motors are commanded. Thedevelop design, model and control of Mechatronics mobile robotic system is presented in this paper. The developed robotic system is intended for research purposes as well as for educational process. The model of proposed mobile robot was created and verified using MATLAB-Simulink software.

  4. Mobile Variable Depth Sampling System Design Study

    Energy Technology Data Exchange (ETDEWEB)

    BOGER, R.M.

    2000-08-25

    A design study is presented for a mobile, variable depth sampling system (MVDSS) that will support the treatment and immobilization of Hanford LAW and HLW. The sampler can be deployed in a 4-inch tank riser and has a design that is based on requirements identified in the Level 2 Specification (latest revision). The waste feed sequence for the MVDSS is based on Phase 1, Case 3S6 waste feed sequence. Technical information is also presented that supports the design study.

  5. SCHOOL INFORMATION SYSTEMS DESIGN FOR MOBILE PHONES

    Directory of Open Access Journals (Sweden)

    Kelvinnicky Gunawan

    2013-01-01

    Full Text Available School Information System (SIS is an academic information system developed and implemented for a private school with a purpose to improve the efficiency of information retrieval for students, parents and school authority. One of the initial problems with SIS implementation was that it depended on the availability of computers and internet access. With slow internet connections, authentication process could be time consuming, especially if a website implements various external scripts to improve visual quality. Due to these reasons, as well as the fact that BlackBerry is one of the most popular smartphones in Indonesia, the developers decided to design a simpler but more powerful system that would resolve Blackberry Mobile SIS problems. The mobile SIS was designed, implemented and evaluated to provide a perfect solution for problems related to ease-of-access. The Mobile SIS facilitates students and parents in obtaining academic information anytime, anywhere and without the need for repeated authentication, via BlackBerry mobile connection. Mobile SIS also offers faster loading time relative to traditional website access. Using the push technology service, SIS could now provide students and parents in getting the latest information every time new information gets disseminated.

  6. Mobilities Design

    DEFF Research Database (Denmark)

    Jensen, Ole B.; Lanng, Ditte Bendix

    that of ‘mobilities design’. The book revolves around the following research question: How are design decisions and interventions staging mobilities? It builds upon the Staging Mobilities model (Jensen 2013) in an explorative inquiry into the problems and potentials of the design of mobilities. The exchange value...... between mobilities and design research is twofold. To mobilities research this means getting closer to the ‘material’, and to engage in the creative, explorative and experimental approaches of the design world which offer new potentials for innovative research. Design research, on the other hand, might...... enter into a fruitful relationship with mobilities research, offering a relational and mobile design thinking and a valuable base for a reflective design practice around the ubiquitous structures, spaces and systems of mobilities....

  7. Propagation considerations in the American Mobile Satellite system design

    Science.gov (United States)

    Kittiver, Charles; Sigler, Charles E., Jr.

    1993-01-01

    An overview of the American Mobile Satellite Corporation (AMSC) mobile satellite services (MSS) system with special emphasis given to the propagation issues that were considered in the design is presented. The aspects of the voice codec design that effect system performance in a shadowed environment are discussed. The strategies for overcoming Ku-Band rain fades in the uplink and downlink paths of the gateway station are presented. A land mobile propagation study that has both measurement and simulation activities is described.

  8. Design of Mobile Gateway for Implementation of Smart Work System

    Directory of Open Access Journals (Sweden)

    Sang-Young Oh

    2015-01-01

    Full Text Available In the development of new technologies based on mobile system, there is a growing interest as a fundamental technology. In particular, in order to realize a mobile office and mobile phones, conferencing remote document is a technique that can realize smart network services solutions with enhanced real-time communication, real-time information sharing, and collaboration. Therefore, in this paper, the design meets the diverse needs of customers and the smart work platform mobile-based fast and conveniently it is trying to develop. For this reason, I have developed a mobile gateway that is based on the communication server construction OPEN API development, management of mobile ID, protocol design, and design of SSL/TLS security tunnel. Also, we developed a smart work platform that you apply this, you are trying to provide information systems environment of mobile company.

  9. Staging Mobilities / Designing Mobilities

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    2015-01-01

    In recent years, urban research has taken a ‘mobilities turn’. There has been a developing realisation that mobilities do not ‘just happen.’ Mobilities are carefully and meticulously designed, planned and staged (from above). However, they are equally importantly acted out, performed and lived...... as people are ‘staging themselves’ (from below). Staging mobilities is a dynamic process between ‘being staged’ (for example, being stopped at traffic lights) and the ‘mobile staging’ of interacting individuals (negotiating a passage on the pavement). Staging mobilities is about the fact that mobility...... asks: what are the physical, social, technical, and cultural conditions to the staging of contemporary urban mobilities? The theoretical framing in the Staging mobilities book is applied to four in-depth cases in the accompanying volume Designing mobilities.This book explore how places, sites...

  10. Design of dead reckoning system for mobile robot

    Institute of Scientific and Technical Information of China (English)

    YU Jin-xia; CAI Zi-xing; DUAN Zhuo-hua; ZOU Xiao-bing

    2006-01-01

    A dead reckoning system for a wheeled mobile robot was designed, and the method for robot's pose estimation in the 3D environments was presented on the basis of its rigid-body kinematic equations. After analyzing the locomotion architecture of mobile robot and the principle of proprioceptive sensors, the kinematics model of mobile robot was built to realize the relative localization. Considering that the research on dead reckoning of mobile robot was confined to the 2 dimensional planes, the locomotion of mobile robot in the 3 coordinate axis direction was thought over in order to estimate its pose on uneven terrain. Because the computing method in a plane is rather mature, the calculation in height direction is emphatically represented as a key issue. With experimental results obtained by simulation program and robot platform, the position of mobile robot can be reliably estimated and the localization precision can be effectively improved, so the effectiveness of this dead reckoning system is demonstrated.

  11. Mobilities Design

    DEFF Research Database (Denmark)

    Lanng, Ditte Bendix; Wind, Simon; Jensen, Ole B.

    2017-01-01

    utilitarian transport from A to B; they constitute a rich societal phenomenon with, for example, social, cultural, sensorial, emotional, and material dimensions. The article proposes two fruitful links between the mobilities turn and the designerly examination of mobilities spaces. First, the mobilities turn...

  12. Mobilities Design

    DEFF Research Database (Denmark)

    Jensen, Ole B.; Lanng, Ditte Bendix; Wind, Simon

    2016-01-01

    In this paper, we identify the nexus between design (architecture, urban design, service design, etc.) and mobilities as a new and emerging research field. In this paper, we apply a “situational mobilities” perspective and take point of departure in the pragmatist question: “What design decisions...... and interventions affords this particular mobile situation?” The paper presents the contours of an emerging research agenda within mobilities research. The advent of “mobilities design” as an emerging research field points towards a critical interest in the material as well as practical consequences of contemporary......-making. The paper proposes that increased understanding of the material affordances facilitated through design provides important insight to planning and policymaking that at times might be in risk of becoming too detached from the everyday life of the mobile subject within contemporary mobilities landscapes....

  13. Designing for sustainability - mobility systems based on electrical vehicles

    DEFF Research Database (Denmark)

    Søndergård, Bent; Hansen, Ole Erik

    2013-01-01

    in interaction with public authorities and transportation companies), configuring the electric car sharing system as an element in an alternative mobility service system, and designing the technical and organizational system The concluding discussion falls into two parts: an assessment of the design process......-design, concerned with design as meta-level processes of regime transformation and the constructive configuration of design spaces. The case study examines an attempt to integrate electric vehicles in the Danish mobility systems. It maps the framework conditions and contemporary (competing) strategies....../projects, but focuses on a specific car-sharing project (‘Cleardrive’), with the objective to examine the early and constitutive stages of the design-process. It is conducted as an intensive study tracing elements of interpretation, interaction and intervention, which have been part of the project formation process...

  14. Mobilities Design

    DEFF Research Database (Denmark)

    Jensen, Ole B.; Lanng, Ditte Bendix; Wind, Simon

    2016-01-01

    In this paper, we identify the nexus between design (architecture, urban design, service design, etc.) and mobilities as a new and emerging research field. In this paper, we apply a “situational mobilities” perspective and take point of departure in the pragmatist question: “What design decisions...... and interventions affords this particular mobile situation?” The paper presents the contours of an emerging research agenda within mobilities research. The advent of “mobilities design” as an emerging research field points towards a critical interest in the material as well as practical consequences of contemporary...... sites of mobilities and technology. Furthermore, the paper argues that heightened material sensitivity with an acute focus on situations and the multi-sensorial dimensions of human mobilities is largely under-prioritised within much contemporary city planning and transport planning as well as policy...

  15. Designing Mobilities

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    of departure in the sociological perspective termed ‘Staging Mobilities’ (Jensen 2013a) and utilizes this as an analytical frame for exploring cases of mobility design. The paper put focus on how the material shape, design and architectures of technologies, spaces and sites influence mobilities practices......, mobilitiy technologies or urban sites of movement we get much closer to understanding the meaning of mobilities to social interaction and culture. The cases are still representing work-in-progress but will be reported in the book ‘Designing Mobilites’ (Jensen 2013b) and will cover the four cases of......Within the so-called ‘mobilities turn’ (Adey 2010; Cresswell 2006; Urry 2007) much research has taken place during the last decade bringing mobilities into the centre of sociological analysis. However, the materiality and spatiality of artefacts, infrastructures, and sites hosting mobilities...

  16. Designing Mobilities

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    , mobilitiy technologies or urban sites of movement we get much closer to understanding the meaning of mobilities to social interaction and culture. The cases are still representing work-in-progress but will be reported in the book ‘Designing Mobilites’ (Jensen 2013b) and will cover the four cases of......Within the so-called ‘mobilities turn’ (Adey 2010; Cresswell 2006; Urry 2007) much research has taken place during the last decade bringing mobilities into the centre of sociological analysis. However, the materiality and spatiality of artefacts, infrastructures, and sites hosting mobilities...... of departure in the sociological perspective termed ‘Staging Mobilities’ (Jensen 2013a) and utilizes this as an analytical frame for exploring cases of mobility design. The paper put focus on how the material shape, design and architectures of technologies, spaces and sites influence mobilities practices...

  17. Designing Mobilities

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    How is the width of the pavement shaping the urban experience? How is the material design of transport infrastructure and mobile technology affording social interaction in everyday life spaces? How do people inhabit these spaces with their bodies and in accordance to social and cultural norms......? These are some of the questions that this book raises in order to explore how the design of mobile sites and situations affect people's everyday life. The book takes point of departure in the author's book 'Staging Mobilities' (Routledge, 2013) in which it is argued that mobility is much more than simple...... acts of moving in the city. 'Designing Mobilities' is based on more than a decade of academic research by Professor of Urban Theory, Ole B. Jensen and a must-read for students and scholars with an interest in urban studies, urban design, architecture, urban planning, transport planning and geography...

  18. Mobilities Design

    DEFF Research Database (Denmark)

    Jensen, Ole B.; Lanng, Ditte Bendix

    2016-01-01

    of increasing concern and societal importance, regardless if the focus is on new inequalities, environmental sustainability, or the meaning of vernacular mobilities design to the everyday life. The theme of ‘mobilities design’ opens up the agenda of architectural research into infrastructure spaces as ‘spaces...... insights, concepts of space and place, and relations between fixities and flows. The new and emerging field of ‘mobilities design’ will be exploring the borderlines between architecture, urban design, urban planning, and infrastructure design. The field will address the ‘gap’ in research on an issue...... of life’ for billions of people in the everyday life. This paper is structured in three parts. After the general introduction we present the mobilities theory perspective of ‘staging mobilities’ and connects this to the empirical phenomenon of parking lots and their design. The paper ends in section three...

  19. Automated Hydraulic System Design and Power Management in Mobile Applications

    DEFF Research Database (Denmark)

    Pedersen, Henrik Clemmensen

    a presentation of the used graph theory representation that is developed to represent a hydraulic open-circuit system and which is based on a numerical formulation that uniquely describe the system in terms of five set of design variables that describe respectively the topology, the components and the operating...... are found on most medium and high-end mobile hydraulic machinery. Despite the energy saving potentials that these systems posses, compared to the other open-circuit hydraulic system topologies, LS-system may still be subject to very low system efficiencies if not designed correctly. This is typically...... machines if operated in the intended and optimal work area, but due to an inappropriate system layout. Most of the power lost in open circuit hydraulic system systems is in this regard in the transmission part, i.e. hoses and fittings, and the valves used to control the system. A large part of the design...

  20. Designing Mobilities

    DEFF Research Database (Denmark)

    Jensen, Ole B.

    How is the width of the pavement shaping the urban experience? How is the material design of transport infrastructure and mobile technology affording social interaction in everyday life spaces? How do people inhabit these spaces with their bodies and in accordance to social and cultural norms......? These are some of the questions that this book raises in order to explore how the design of mobile sites and situations affect people's everyday life. The book takes point of departure in the author's book 'Staging Mobilities' (Routledge, 2013) in which it is argued that mobility is much more than simple...... movements of people, goods, and information 'from A to B'. Accordingly, the way people, goods, and information moves shapes the way we understand our built environment, other consociates, and ourselves. The book contributes with a new and critical-creative gaze on what might seem to be trivial and mundane...

  1. Design Rules for High Damping in Mobile Hydraulic Systems

    OpenAIRE

    Axin, Mikael; Krus, Petter

    2013-01-01

    This paper analyses the damping in pressure compensated closed centre mobile working hydraulic systems. Both rotational and linear loads are covered and the analysis applies to any type of pump controller. Only the outlet orifice in the directional valve will provide damping to a pressure compensated system. Design rules are proposed for how the system should be dimensioned in order to obtain a high damping. The volumes on each side of the load have a high impact on the damping. In case of a ...

  2. Leveraging design thinking to build sustainable mobile health systems.

    Science.gov (United States)

    Eckman, Molly; Gorski, Irena; Mehta, Khanjan

    Mobile health, or mHealth, technology has the potential to improve health care access in the developing world. However, the majority of mHealth projects do not expand beyond the pilot stage. A core reason why is because they do not account for the individual needs and wants of those involved. A collaborative approach is needed to integrate the perspectives of all stakeholders into the design and operation of mHealth endeavours. Design thinking is a methodology used to develop and evaluate novel concepts for systems. With roots in participatory processes and self-determined pathways, design thinking provides a compelling framework to understand and apply the needs of diverse stakeholders to mHealth project development through a highly iterative process. The methodology presented in this article provides a structured approach to apply design thinking principles to assess the feasibility of novel mHealth endeavours during early conceptualisation.

  3. Design on a Composite Mobile System for Exploration Robot

    Directory of Open Access Journals (Sweden)

    Weiyan Shang

    2016-01-01

    Full Text Available In order to accomplish exploration missions in complex environments, a new type of robot has been designed. By analyzing the characteristics of typical moving systems, a new mobile system which is named wheel-tracked moving system (WTMS has been presented. Then by virtual prototype simulation, the new system’s ability to adapt complex environments has been verified. As the curve of centroid acceleration changes in large amplitude in this simulation, ride performance of this robot has been studied. Firstly, a simplified dynamic model has been established, and then by affecting factors analysis on ride performance, an optimization model for suspension parameters has been presented. Using NSGA-II method, a set of nondominated solutions for suspension parameters has been gotten, and by weighing the importance of the objective function, an optimal solution has been selected to be applied on suspension design. As the wheel-tracked exploration robot has been designed and manufactured, the property test has been conducted. By testing on physical prototype, the robot’s ability to surmount complex terrain has been verified. Design of the wheel-tracked robot will provide a stable platform for field exploration tasks, and in addition, the certain configuration and suspension parameters optimization method will provide reference to other robot designs.

  4. Design and Deployment of Mobile FSO Communication System

    KAUST Repository

    Alheadary, Wael Ghazy

    2017-05-08

    As a potential solution to many applications, we developed a mobile free-space optical (FSO) system that achieves 1Gbps with transmission distance of 70 m. This system needs minimal preparation to be deployed within an hour.

  5. Review and classification of designing mobile applications for mobile education systems

    OpenAIRE

    Мотін, Максим Миколайович

    2010-01-01

    The general characteristics and the definition of a mobile education system were given and analysis of the basic problem areas was carried out. The table of comparative characteristics of different types of development platforms mobile applications was created.

  6. Design and Realization of Cloth Order System on Mobile Internet

    Institute of Scientific and Technical Information of China (English)

    ZHANG Li; SHAO Shi-huang; ZENG Xian-hui; PU Fang; YIN Mei-hua

    2002-01-01

    Based on the analysis of developing target, function and constitution of cloth order system under wap gateway,the mobile communication principle of cloth order system under wap gateway is given out. The implementation method for information commnication of cloth order system are elaborated by using programming technology of active server page (ASP)3.0 and wireless markup language (WML). The browsing and inquiry of cloth information, sending and receiving of cloth order can be easily realized by the developed order system on mobile internet according to user's requirements.

  7. Mobile healthcare applications: system design review, critical issues and challenges.

    Science.gov (United States)

    Baig, Mirza Mansoor; GholamHosseini, Hamid; Connolly, Martin J

    2015-03-01

    Mobile phones are becoming increasingly important in monitoring and delivery of healthcare interventions. They are often considered as pocket computers, due to their advanced computing features, enhanced preferences and diverse capabilities. Their sophisticated sensors and complex software applications make the mobile healthcare (m-health) based applications more feasible and innovative. In a number of scenarios user-friendliness, convenience and effectiveness of these systems have been acknowledged by both patients as well as healthcare providers. M-health technology employs advanced concepts and techniques from multidisciplinary fields of electrical engineering, computer science, biomedical engineering and medicine which benefit the innovations of these fields towards healthcare systems. This paper deals with two important aspects of current mobile phone based sensor applications in healthcare. Firstly, critical review of advanced applications such as; vital sign monitoring, blood glucose monitoring and in-built camera based smartphone sensor applications. Secondly, investigating challenges and critical issues related to the use of smartphones in healthcare including; reliability, efficiency, mobile phone platform variability, cost effectiveness, energy usage, user interface, quality of medical data, and security and privacy. It was found that the mobile based applications have been widely developed in recent years with fast growing deployment by healthcare professionals and patients. However, despite the advantages of smartphones in patient monitoring, education, and management there are some critical issues and challenges related to security and privacy of data, acceptability, reliability and cost that need to be addressed.

  8. System perspectives for mobile platform design in m-Health

    Science.gov (United States)

    Roveda, Janet M.; Fink, Wolfgang

    2016-05-01

    Advances in integrated circuit technologies have led to the integration of medical sensor front ends with data processing circuits, i.e., mobile platform design for wearable sensors. We discuss design methodologies for wearable sensor nodes and their applications in m-Health. From the user perspective, flexibility, comfort, appearance, fashion, ease-of-use, and visibility are key form factors. From the technology development point of view, high accuracy, low power consumption, and high signal to noise ratio are desirable features. From the embedded software design standpoint, real time data analysis algorithms, application and database interfaces are the critical components to create successful wearable sensor-based products.

  9. Integrating RFID technique to design mobile handheld inventory management system

    Science.gov (United States)

    Huang, Yo-Ping; Yen, Wei; Chen, Shih-Chung

    2008-04-01

    An RFID-based mobile handheld inventory management system is proposed in this paper. Differing from the manual inventory management method, the proposed system works on the personal digital assistant (PDA) with an RFID reader. The system identifies electronic tags on the properties and checks the property information in the back-end database server through a ubiquitous wireless network. The system also provides a set of functions to manage the back-end inventory database and assigns different levels of access privilege according to various user categories. In the back-end database server, to prevent improper or illegal accesses, the server not only stores the inventory database and user privilege information, but also keeps track of the user activities in the server including the login and logout time and location, the records of database accessing, and every modification of the tables. Some experimental results are presented to verify the applicability of the integrated RFID-based mobile handheld inventory management system.

  10. Design of a mobile hydrological data measurement system

    Science.gov (United States)

    Liu, Yunping; Wang, Tianmiao; Dai, Fenfen

    2017-06-01

    The current hydrological data acquisition is mainly used in the instrument measurement. Instrument measurement equipment is mainly fixed in a certain water area and the device is easy to be lost. In view of a series of problems, the dynamic measurement system is established by the method of unmanned surface vessel and embedded technology, which can realize any positions measurement of a lake. This method has many advantages, such as mobile convenience, saving money and so on.

  11. Automated Hydraulic System Design and Power Management in Mobile Applications

    DEFF Research Database (Denmark)

    Pedersen, Henrik Clemmensen

    machines if operated in the intended and optimal work area, but due to an inappropriate system layout. Most of the power lost in open circuit hydraulic system systems is in this regard in the transmission part, i.e. hoses and fittings, and the valves used to control the system. A large part of the design...... are working under the most optimal operating conditions. The above in this way constitute the background for the work that is the basis of this report, which deals with how to design and control open-circuit hydraulic systems with multiple consumers to obtain the largest energy utilization, when also...... a presentation of the used graph theory representation that is developed to represent a hydraulic open-circuit system and which is based on a numerical formulation that uniquely describe the system in terms of five set of design variables that describe respectively the topology, the components and the operating...

  12. Design and implementation of Bluetooth beacon in mobile payment system

    Science.gov (United States)

    Han, Tiantian; Ding, Lei

    2017-08-01

    The current line of payment means, mainly in the following ways, cash payment, credit card payment, WeChat Alipay sweep payment. There are many inconvenience in Cash payment, large amounts of cash inconvenience to carry, count the money to spend time and effort, true and false banknotes difficult to distinguish, ticket settlement easy to go wrong. Credit card payment is relatively time-consuming, and WeChat Alipay sweep payment need to sweep. Therefore, the design of a convenient, fast payment to meet the line to pay the demand is particularly important. Based on the characteristics of BLE Bluetooth wireless communication technology, this paper designs a kind of payment method based on Bluetooth beacon. Through the Bluetooth beacon broadcast consumption, consumers only need to open the relevant APP in the Android client, and you can get Bluetooth via mobile phone Bluetooth the amount of consumption of the standard broadcast, in accordance with the corresponding payment platform to complete the payment process, which pay less time to improve the efficiency of payment.

  13. The Design and Implementation of Eggs’ Traceability System Based on Mobile QR Code

    Directory of Open Access Journals (Sweden)

    Shanhong Zhu

    2015-01-01

    Full Text Available The study proposed an egg package tracing system which is composed of mobile phone software, database management system, server system, also includes egg production, sale information, transportation, inurement, communication with costumers’ functions according to the tracking and tracing requirements of food supply chain management and quality and safety. The design describes Mobile phone client software system, the background data management system and the server database system modules of achieving food tracking management, detailed electronic trace information about food could be inquired through Web Service or intelligent mobile phones or other devices.

  14. Design of PKI-based mobile bank security system

    Institute of Scientific and Technical Information of China (English)

    YIN Can-ju; WEI Zu-kuan

    2007-01-01

    With the development of the wireless network technology, the wireless band becomes more and more wide, and the development of the microelec- tronic technology has also improved the computati- onal speed and memory capacity of the mobile devices. They brought the infinite prospects for the wireless mobile e-commerce. However security is key to lau -nching mobile e-business. Public key infrastructure(PKI) can satisfy mobile e-business security's requirement. The suitable asymmetrical encryption and signature algorithm were selected, and simply SSL so that PKI can provide better secure information between client and client server.

  15. Using AMDD method for Database Design in Mobile Cloud Computing Systems

    Directory of Open Access Journals (Sweden)

    Silviu Claudiu POPA

    2013-01-01

    Full Text Available The development of the technologies of wireless telecommunications gave birth of new kinds of e-commerce, the so called Mobile e-Commerce or m-Commerce. Mobile Cloud Computing (MCC represents a new IT research area that combines mobile computing and cloud compu-ting techniques. Behind a cloud mobile commerce system there is a database containing all necessary information for transactions. By means of Agile Model Driven Development (AMDD method, we are able to achieve many benefits that smooth the progress of designing the databases utilized for cloud m-Commerce systems.

  16. Mobile Student Information System

    Science.gov (United States)

    Asif, Muhammad; Krogstie, John

    2011-01-01

    Purpose: A mobile student information system (MSIS) based on mobile computing and context-aware application concepts can provide more user-centric information services to students. The purpose of this paper is to describe a system for providing relevant information to students on a mobile platform. Design/methodology/approach: The research…

  17. Mobile Student Information System

    Science.gov (United States)

    Asif, Muhammad; Krogstie, John

    2011-01-01

    Purpose: A mobile student information system (MSIS) based on mobile computing and context-aware application concepts can provide more user-centric information services to students. The purpose of this paper is to describe a system for providing relevant information to students on a mobile platform. Design/methodology/approach: The research…

  18. A Participatory Design Approach for a Mobile App-Based Personal Response System

    Science.gov (United States)

    Song, Donggil; Oh, Eun Young

    2016-01-01

    This study reports on a participatory design approach including the design, development, implementation, and evaluation of a mobile app-based personal response system (PRS). The first cycle formulated initial design principles through context and needs analysis; the second utilized the collaboration with instructors and experts embodying specific…

  19. A Participatory Design Approach for a Mobile App-Based Personal Response System

    Science.gov (United States)

    Song, Donggil; Oh, Eun Young

    2016-01-01

    This study reports on a participatory design approach including the design, development, implementation, and evaluation of a mobile app-based personal response system (PRS). The first cycle formulated initial design principles through context and needs analysis; the second utilized the collaboration with instructors and experts embodying specific…

  20. A cloud-based X73 ubiquitous mobile healthcare system: design and implementation.

    Science.gov (United States)

    Ji, Zhanlin; Ganchev, Ivan; O'Droma, Máirtín; Zhang, Xin; Zhang, Xueji

    2014-01-01

    Based on the user-centric paradigm for next generation networks, this paper describes a ubiquitous mobile healthcare (uHealth) system based on the ISO/IEEE 11073 personal health data (PHD) standards (X73) and cloud computing techniques. A number of design issues associated with the system implementation are outlined. The system includes a middleware on the user side, providing a plug-and-play environment for heterogeneous wireless sensors and mobile terminals utilizing different communication protocols and a distributed "big data" processing subsystem in the cloud. The design and implementation of this system are envisaged as an efficient solution for the next generation of uHealth systems.

  1. Power Management in Mobile Hydraulic Applications - An Approach for Designing Hydraulic Power Supply Systems

    DEFF Research Database (Denmark)

    Pedersen, Henrik Clemmensen

    2004-01-01

    in a project to develop rules and methods for designing and controlling mobile hydraulic systems in the most energy efficient way, when also considering the operational aspects of the system. The paper first describes the thoughts and ideas behind the project and then focus on an automated approach to design......Throughout the last three decades energy consumption has become one of the primary design aspects in hydraulic systems, especially for mobile hydraulic systems, as power and cooling capacity here is at limited disposal. Considering the energy usage, this is dependent on component efficiency......, but even more important is the system topology. However, there are no rules or guidelines for what system topology to choose for a given application, in order to obtain the most energy efficient system, nor for how the energy should be distributed in the system. This paper describes the approach taken...

  2. Mobile Traffic Alert and Tourist Route Guidance System Design Using Geospatial Data

    Science.gov (United States)

    Bhattacharya, D.; Painho, M.; Mishra, S.; Gupta, A.

    2017-09-01

    The present study describes an integrated system for traffic data collection and alert warning. Geographical information based decision making related to traffic destinations and routes is proposed through the design. The system includes a geospatial database having profile relating to a user of a mobile device. The processing and understanding of scanned maps, other digital data input leads to route guidance. The system includes a server configured to receive traffic information relating to a route and location information relating to the mobile device. Server is configured to send a traffic alert to the mobile device when the traffic information and the location information indicate that the mobile device is traveling toward traffic congestion. Proposed system has geospatial and mobile data sets pertaining to Bangalore city in India. It is envisaged to be helpful for touristic purposes as a route guidance and alert relaying information system to tourists for proximity to sites worth seeing in a city they have entered into. The system is modular in architecture and the novelty lies in integration of different modules carrying different technologies for a complete traffic information system. Generic information processing and delivery system has been tested to be functional and speedy under test geospatial domains. In a restricted prototype model with geo-referenced route data required information has been delivered correctly over sustained trials to designated cell numbers, with average time frame of 27.5 seconds, maximum 50 and minimum 5 seconds. Traffic geo-data set trials testing is underway.

  3. Functional Mobility Testing: A Novel Method to Establish Human System Interface Design Requirements

    Science.gov (United States)

    England, Scott A.; Benson, Elizabeth A.; Rajulu, Sudhakar

    2008-01-01

    Across all fields of human-system interface design it is vital to posses a sound methodology dictating the constraints on the system based on the capabilities of the human user. These limitations may be based on strength, mobility, dexterity, cognitive ability, etc. and combinations thereof. Data collected in an isolated environment to determine, for example, maximal strength or maximal range of motion would indeed be adequate for establishing not-to-exceed type design limitations, however these restraints on the system may be excessive over what is basally needed. Resources may potentially be saved by having a technique to determine the minimum measurements a system must accommodate. This paper specifically deals with the creation of a novel methodology for establishing mobility requirements for a new generation of space suit design concepts. Historically, the Space Shuttle and the International Space Station vehicle and space hardware design requirements documents such as the Man-Systems Integration Standards and International Space Station Flight Crew Integration Standard explicitly stated that the designers should strive to provide the maximum joint range of motion capabilities exhibited by a minimally clothed human subject. In the course of developing the Human-Systems Integration Requirements (HSIR) for the new space exploration initiative (Constellation), an effort was made to redefine the mobility requirements in the interest of safety and cost. Systems designed for manned space exploration can receive compounded gains from simplified designs that are both initially less expensive to produce and lighter, thereby, cheaper to launch.

  4. The design of mobile robot control system for the aged and the disabled

    Science.gov (United States)

    Qiang, Wang; Lei, Shi; Xiang, Gao; Jin, Zhang

    2017-01-01

    This paper designs a control system of mobile robot for the aged and the disabled, which consists of two main parts: human-computer interaction and drive control module. The data of the two parts is transferred via universal asynchronous receiver/transmitter. In the former part, the speed and direction information of the mobile robot is obtained by hall joystick. In the latter part, the electronic differential algorithm is developed to implement the robot mobile function by driving two-wheel motors. In order to improve the comfort of the robot when speed or direction is changed, the least squares algorithm is used to optimize the speed characteristic curves of the two motors. Experimental results have verified the effectiveness of the designed system.

  5. Design of a robotic mobility system to promote socialization in children.

    Science.gov (United States)

    Chen, Xi; Ragonesi, Christina; Galloway, James C; Agrawal, Sunil K

    2013-06-01

    Self-initiated mobility is a causal factor in children's development. Previous studies have demonstrated the effectiveness of our training methods in learning directional driving and navigation. The ultimate goal of mobility training is to enable children to be social, that is, to interact with peers. A powered mobility device was developed that can localize itself, map the environment, plan an obstacle-free path to a goal, and ensure safety of a human driver. Combined with a positioning system, this system is able to apply a force field to train subjects to drive towards an object, a caregiver, a peer, or a group of peers. System feasibility was tested by designing a 'ball chasing' game. Results show that the system is promising in promoting socialization in children.

  6. Design and implementation of an IPC-based control system for mobile robots

    Institute of Scientific and Technical Information of China (English)

    Jia Jianqiang; Chen Weidong; Xi Yugeng

    2005-01-01

    This paper introduces an autonomous mobile robot system applicable under dynamicenvironment. Every robot contains a multi-sensor system, a differential-drivevehicle and a wireless LAN. A real-time on-board control system makes decision autonomously according to the perception from the multi-sensor system. Under the Windows operation system (OS), inter-process communication (IPC) mechanism of Linux OS is introduced into control system design. A distributed software architecture based on IPC, which can be used for multiple mobile robots system, is proposed. The architecture can make the system more flexible and scalable. The expansion of robot's function and cooperation between robots can be easily realized. The experiments and robot soccer game show the validity of the architecture.

  7. Design and implementation of a remote UAV-based mobile health monitoring system

    Science.gov (United States)

    Li, Songwei; Wan, Yan; Fu, Shengli; Liu, Mushuang; Wu, H. Felix

    2017-04-01

    Unmanned aerial vehicles (UAVs) play increasing roles in structure health monitoring. With growing mobility in modern Internet-of-Things (IoT) applications, the health monitoring of mobile structures becomes an emerging application. In this paper, we develop a UAV-carried vision-based monitoring system that allows a UAV to continuously track and monitor a mobile infrastructure and transmit back the monitoring information in real- time from a remote location. The monitoring system uses a simple UAV-mounted camera and requires only a single feature located on the mobile infrastructure for target detection and tracking. The computation-effective vision-based tracking solution based on a single feature is an improvement over existing vision-based lead-follower tracking systems that either have poor tracking performance due to the use of a single feature, or have improved tracking performance at a cost of the usage of multiple features. In addition, a UAV-carried aerial networking infrastructure using directional antennas is used to enable robust real-time transmission of monitoring video streams over a long distance. Automatic heading control is used to self-align headings of directional antennas to enable robust communication in mobility. Compared to existing omni-communication systems, the directional communication solution significantly increases the operation range of remote monitoring systems. In this paper, we develop the integrated modeling framework of camera and mobile platforms, design the tracking algorithm, develop a testbed of UAVs and mobile platforms, and evaluate system performance through both simulation studies and field tests.

  8. Towards urban mobility designs

    DEFF Research Database (Denmark)

    Lanng, Ditte Bendix; Harder, Henrik; Jensen, Ole B.

    2012-01-01

    Functionalist traffic design aims at a rational organisation of movement from A to B in a segregated and uniform physical environment. Such urban areas have been criticized for being exclusively functional and lacking sensuous and social qualities. Recent research on mobilities challenges the mor......, in relation to re-conceptualisation of the transit site, to mapping, and to design intervention. These propositions form part of our on-going work with urban mobility designs....

  9. Real-time mobile customer short message system design and implementation

    Science.gov (United States)

    Han, Qirui; Sun, Fang

    To expand the current mobile phone short message service, and to make the contact between schools, teachers, parents and feedback of the modern school office system more timely and conveniently, designed and developed the Short Message System based on the Linux platform. The state-of-the-art principles and designed proposals in the Short Message System based on the Linux platform are introduced. Finally we propose an optimized secure access authentication method. At present, many schools,vbusinesses and research institutions ratify the promotion and application the messaging system gradually, which has shown benign market prospects.

  10. Designing for mobile interaction

    DEFF Research Database (Denmark)

    Nazzi, Elena

    2009-01-01

    The theme of this PhD project is designing for mobile interaction with devices and services, for the accessing, making, and sharing of information, taking into account the dynamic physical and social settings that embrace this interaction. To narrow down this theme, the whole project focuses...... on the exploitation of social interaction --- in particular among senior citizens --- to enhance and support mobile interaction....

  11. [Design of an anesthesia and micro-environment information management system in mobile operating room].

    Science.gov (United States)

    Wang, Xianwen; Liu, Zhiguo; Zhang, Wenchang; Wu, Qingfu; Tan, Shulin

    2013-08-01

    We have designed a mobile operating room information management system. The system is composed of a client and a server. A client, consisting of a PC, medical equipments, PLC and sensors, provides the acquisition and processing of anesthesia and micro-environment data. A server is a powerful computer that stores the data of the system. The client gathers the medical device data by using the C/S mode, and analyzes the obtained HL7 messages through the class library call. The client collects the micro-environment information with PLC, and finishes the data reading with the OPC technology. Experiment results showed that the designed system could manage the patient anesthesia and micro-environment information well, and improve the efficiency of the doctors' works and the digital level of the mobile operating room.

  12. [Design of the Mobile ECG Monitoring System Based on Android 4.3].

    Science.gov (United States)

    Zhang, Shun; Lian, Yuxi; Qin, Yajie; Wang, Yuanyuan

    2015-07-01

    To monitor and record Electrocardiograph (ECG) signals for 24 hours, a mobile ECG monitoring system is designed based on Android 4.3. In this system, domestic indigenous E9622A is used to acquire ECG signals and TI CC2541 is adopted to communicate with mobile phones. The program is implemented on the Android platform to display and process ECG signals. The whole system is integrated on a 2 cm x 2 cm PCB. From experiments, it is shown that ECG signals can be obtained effectively when this system is worn, and clear ECG waveforms and parameters can be shown on the phones. With this system, arrhythmia can be diagnosed preliminarily. It is also shown that the system is low-power, low-cost, flexible and portable.

  13. Initial Design and Construction of a Mobil Regenerative Fuel Cell System

    Science.gov (United States)

    Colozza, Anthony J.; Maloney, Thomas; Hoberecht, Mark (Technical Monitor)

    2003-01-01

    The design and initial construction of a mobile regenerative power system is described. The main components of the power system consists of a photovoltaic array, regenerative fuel cell and electrolyzer. The system is mounted on a modified landscape trailer and is completely self contained. An operational analysis is also presented that shows predicted performance for the system at various times of the year. The operational analysis consists of performing an energy balance on the system based on array output and total desired operational time.

  14. Spectrum and orbit conservation as a factor in future mobile satellite system design

    Science.gov (United States)

    Bowen, Robert R.

    1990-01-01

    Access to the radio spectrum and geostationary orbit is essential to current and future mobile satellite systems. This access is difficult to obtain for current systems, and may be even more so for larger future systems. In this environment, satellite systems that minimize the amount of spectrum orbit resource required to meet a specific traffic requirement are essential. Several spectrum conservation techniques are discussed, some of which are complementary to designing the system at minimum cost. All may need to be implemented to the limits of technological feasibility if network growth is not to be constrained because of the lack of available spectrum-orbit resource.

  15. [Design and Implementation of a Mobile Operating Room Information Management System Based on Electronic Medical Record].

    Science.gov (United States)

    Liu, Baozhen; Liu, Zhiguo; Wang, Xianwen

    2015-06-01

    A mobile operating room information management system with electronic medical record (EMR) is designed to improve work efficiency and to enhance the patient information sharing. In the operating room, this system acquires the information from various medical devices through the Client/Server (C/S) pattern, and automatically generates XML-based EMR. Outside the operating room, this system provides information access service by using the Browser/Server (B/S) pattern. Software test shows that this system can correctly collect medical information from equipment and clearly display the real-time waveform. By achieving surgery records with higher quality and sharing the information among mobile medical units, this system can effectively reduce doctors' workload and promote the information construction of the field hospital.

  16. Design and Implementation of a Mobile Multihop WSN for AGV System

    Directory of Open Access Journals (Sweden)

    Jiaqi Zhang

    2010-01-01

    Full Text Available A system data sharing protocol of mobile WSN named synchronous dynamic multihop data sharing protocol (S-DMDS is presented for automated guided vehicle (AGV system. It is a cross-layer protocol designed from route layer to MAC layer. By adopting a concept of system data sharing, it is possible to make each node exchange the data timely with all the other nodes. It is also a topology-agnostic protocol which has no knowledge of neighbors, routes, or next hops. From the results of the 16-nodes simulation, S-DMDS protocol is proved to be efficient exchange data timely between the devices of AGV system in mobile multihop situation. Moreover, it also shows that S-DMDS significantly outperforms NST-AODV with investing about 41.6% system sharing delay as well as 80% RAM consumption. At last, 5-node experiment indicates that S-DMDS can work well in real environment.

  17. Second-generation mobile satellite system. A conceptual design and trade-off study

    Science.gov (United States)

    Sue, M. K.; Park, Y. H.

    1985-01-01

    In recent years, interest has grown in the mobile satellite (MSAT) system, a satellite-based communications system capable of providing integrated voice and data services to a large number of users. To explore the potential of a commercial mobile satellite system (MSS) beyond the horizon of the first generation, using technologies of the 1990's and to assist MSAT-X in directing its efforts, a conceptual design has been performed for a second-generation system to be launched around the mid-1990's. The design goal is to maximize the number of satellite channels and/or minimize the overall life-cycle cost, subject to the constraint of utilizing a commercial satellite bus with minimum modifications. To provide an optimal design, a series of trade-offs are performed, including antenna sizing, feed configurations, and interference analysis. Interference is a serious problem for MSAT and often an overlapping feed design is required to reduce interbeam interference. The trade-off studies will show that a simple non-overlapping feed is sufficient for the second-generation system, thus avoiding the need for the complicated beam-forming network that is associated with the overlapping feed designs. In addition, a system that operates at L-band, an alternative frequency band that is being considered by some for possible MSAT applications, is also presented.

  18. Application of high-definition display technology to the design of mobile client/server systems

    Science.gov (United States)

    Johnson, Roger L.; Williams, D. E.

    1994-04-01

    Although the major market force behind the development of high definition display systems is consumer television, there are also a number of important applications for this technology in computer systems which are being designed for the transportation, manufacturing, field engineering, maintenance, and scientific research industries. In many of these applications the computer workstations will need to be highly mobile (i.e. easily transported and often hand carried) and will require flat panel, projection, and virtual image high definition displays to provide graphics and imagery to the user at the point of action. One such important area of endeavor which includes all of the above applications is the international manned space exploration and science program. Current research work underway at SAIC is focused on the development of advanced mobile computing systems which utilize high definition displays. These systems are being specifically designed to support the user in the remote field environments anticipated by the space exploration program. This paper provides a view of future utilization of high definition displays and mobile computing systems in the remote field environments associated with the manned space program. The presentation will illustrate how the development of these systems can be used to greatly improve worker efficiency through the concept of telepresence.

  19. Impedance matching and DC-DC converter designs for tunable radio frequency based mobile telecommunication systems

    OpenAIRE

    Wong, Yan Chiew

    2014-01-01

    Tunability and adaptability for radio frequency (RF) front-ends are highly desirable because they not only enhance functionality and performance but also reduce the circuit size and cost. This thesis presents a number of novel design strategies in DC-DC converters, impedance networks and adaptive algorithms for tunable and adaptable RF based mobile telecommunication systems. Specifically, the studies are divided into three major directions: (a) high voltage switch controller ba...

  20. Mobile Web Design for Dummies

    CERN Document Server

    Warner, Janine

    2010-01-01

    The perfect place to learn how to design Web sites for mobile devices!. With the popularity of Internet access via cell phones and other mobile devices, Web designers now have to consider as many as eight operating systems, several browsers, and a slew of new devices as they plan a new site, a new interface, or a new sub-site. This easy-to-follow friendly book guides you through this brave new world with a clear look at the fundamentals and offers practical techniques and tricks you may not have considered.: Explores all issues to consider in planning a mobile site; Covers the tools needed for

  1. Approach for Mitigating Pressure Garment Design Risks in a Mobile Lunar Surface Systems Architecture

    Science.gov (United States)

    Aitchison, Lindsay

    2009-01-01

    The stated goals of the 2004 Vision for Space Exploration focus on establishing a human presence throughout the solar system beginning with the establishment of a permanent human presence on the Moon. However, the precise objectives to be accomplished on the lunar surface and the optimal system architecture to achieve those objectives have been a topic of much debate since the inception of the Constellation Program. There are two basic styles of system architectures being traded at the Programmatic level: a traditional large outpost that would focus on techniques for survival off our home planet and a greater depth of exploration within one area, or a mobile approach- akin to a series of nomadic camps- that would allow greater breadth of exploration opportunities. The traditional outpost philosophy is well within the understood pressure garment design space with respect to developing interfaces and operational life cycle models. The mobile outpost, however, combines many unknowns with respect to pressure garment performance and reliability that could dramatically affect the cost and schedule risks associated with the Constellation space suit system. This paper provides an overview of the concepts being traded for a mobile architecture from the operations and hardware implementation perspective, describes the primary risks to the Constellation pressure garment associated with each of the concepts, and summarizes the approach necessary to quantify the pressure garment design risks to enable the Constellation Program to make informed decisions when deciding on an overall lunar surface systems architecture.

  2. Design and Development of a Mobile Sensor Based the Blind Assistance Wayfinding System

    Science.gov (United States)

    Barati, F.; Delavar, M. R.

    2015-12-01

    The blind and visually impaired people are facing a number of challenges in their daily life. One of the major challenges is finding their way both indoor and outdoor. For this reason, routing and navigation independently, especially in urban areas are important for the blind. Most of the blind undertake route finding and navigation with the help of a guide. In addition, other tools such as a cane, guide dog or electronic aids are used by the blind. However, in some cases these aids are not efficient enough in a wayfinding around obstacles and dangerous areas for the blind. As a result, the need to develop effective methods as decision support using a non-visual media is leading to improve quality of life for the blind through their increased mobility and independence. In this study, we designed and implemented an outdoor mobile sensor-based wayfinding system for the blind. The objectives of this study are to guide the blind for the obstacle recognition and the design and implementation of a wayfinding and navigation mobile sensor system for them. In this study an ultrasonic sensor is used to detect obstacles and GPS is employed for positioning and navigation in the wayfinding. This type of ultrasonic sensor measures the interval between sending waves and receiving the echo signals with respect to the speed of sound in the environment to estimate the distance to the obstacles. In this study the coordinates and characteristics of all the obstacles in the study area are already stored in a GIS database. All of these obstacles were labeled on the map. The ultrasonic sensor designed and constructed in this study has the ability to detect the obstacles in a distance of 2cm to 400cm. The implementation and the results obtained from the interview of a number of blind persons who employed the sensor verified that the designed mobile sensor system for wayfinding was very satisfactory.

  3. DESIGN AND DEVELOPMENT OF A MOBILE SENSOR BASED THE BLIND ASSISTANCE WAYFINDING SYSTEM

    Directory of Open Access Journals (Sweden)

    F. Barati

    2015-12-01

    Full Text Available The blind and visually impaired people are facing a number of challenges in their daily life. One of the major challenges is finding their way both indoor and outdoor. For this reason, routing and navigation independently, especially in urban areas are important for the blind. Most of the blind undertake route finding and navigation with the help of a guide. In addition, other tools such as a cane, guide dog or electronic aids are used by the blind. However, in some cases these aids are not efficient enough in a wayfinding around obstacles and dangerous areas for the blind. As a result, the need to develop effective methods as decision support using a non-visual media is leading to improve quality of life for the blind through their increased mobility and independence. In this study, we designed and implemented an outdoor mobile sensor-based wayfinding system for the blind. The objectives of this study are to guide the blind for the obstacle recognition and the design and implementation of a wayfinding and navigation mobile sensor system for them. In this study an ultrasonic sensor is used to detect obstacles and GPS is employed for positioning and navigation in the wayfinding. This type of ultrasonic sensor measures the interval between sending waves and receiving the echo signals with respect to the speed of sound in the environment to estimate the distance to the obstacles. In this study the coordinates and characteristics of all the obstacles in the study area are already stored in a GIS database. All of these obstacles were labeled on the map. The ultrasonic sensor designed and constructed in this study has the ability to detect the obstacles in a distance of 2cm to 400cm. The implementation and the results obtained from the interview of a number of blind persons who employed the sensor verified that the designed mobile sensor system for wayfinding was very satisfactory.

  4. Design and control strategy for a hybrid green energy system for mobile telecommunication sites

    Science.gov (United States)

    Okundamiya, Michael S.; Emagbetere, Joy O.; Ogujor, Emmanuel A.

    2014-07-01

    The rising energy costs and carbon footprint of operating mobile telecommunication sites in the emerging world have increased research interests in green technology. The intermittent nature of most green energy sources creates the problem of designing the optimum configuration for a given location. This study presents the design analysis and control strategy for a cost effective and reliable operation of the hybrid green energy system (HGES) for GSM base transceiver station (BTS) sites in isolated regions. The design constrains the generation and distribution of power to reliably satisfy the energy demand while ensuring safe operation of the system. The overall process control applies the genetic algorithm-based technique for optimal techno-economic sizing of system's components. The process simulation utilized meteorological data for 3 locations (Abuja, Benin City and Sokoto) with varying climatic conditions in Nigeria. Simulation results presented for green GSM BTS sites are discussed and compared with existing approaches.

  5. Implementation of a mobile peer assessment system with augmented reality in a fundamental design course

    Directory of Open Access Journals (Sweden)

    Kuo-Hung Chao

    2014-06-01

    Full Text Available This study proposes a framework that incorporates mobile peer assessment and augmented reality (AR technology to enhance interaction and learning effectiveness. According to the framework, a mobile AR peer assessment system has been developed to facilitate students to improve work interpretation, frequently interact with peers, represent their thinking and reflect upon their own works anytime anywhere. Moreover, the mobile AR technology provides personalized and location-based adaptive contents that enable individual students to interact with the mixed reality environment and observe how works are possibly applied to the real world in the future. In a fundamental design course, students used the system to acquire sufficient information in indoor and outdoor situations and mark peers’ work accurately based on appropriate assessment criteria. The experimental results showed that the system really assisted students in acquiring useful information, proposing their viewpoints, and further fostering critical thinking skills and reflection. During the process of interviews, most students made positive responses and provided meaningful suggestions. The system allows students to concentrate on observing and understanding the relative explanation and representation of works within a combined real–virtual environment and apply appropriate assessment criteria that produce sufficient assessment results to mark peers’ works. Rich feedback can encourage students to reflect upon their own works and improve the quality of their works.

  6. Design and implementation of a low power mobile CPU based embedded system for artificial leg control.

    Science.gov (United States)

    Hernandez, Robert; Yang, Qing; Huang, He; Zhang, Fan; Zhang, Xiaorong

    2013-01-01

    This paper presents the design and implementation of a new neural-machine-interface (NMI) for control of artificial legs. The requirements of high accuracy, real-time processing, low power consumption, and mobility of the NMI place great challenges on the computation engine of the system. By utilizing the architectural features of a mobile embedded CPU, we are able to implement our decision-making algorithm, based on neuromuscular phase-dependant support vector machines (SVM), with exceptional accuracy and processing speed. To demonstrate the superiority of our NMI, real-time experiments were performed on an able bodied subject with a 20 ms window increment. The 20 ms testing yielded accuracies of 99.94% while executing our algorithm efficiently with less than 11% processor loads.

  7. A Smart Mobile Lab-on-Chip-Based Medical Diagnostics System Architecture Designed For Evolvability

    DEFF Research Database (Denmark)

    Patou, François; Dimaki, Maria; Svendsen, Winnie Edith

    2015-01-01

    Unprecedented knowledge levels in life sciences along with technological advances in micro- and nanotechnologies and microfluidics have recently conditioned the advent of Lab-on-Chip (LoC) devices for In-Vitro Medical Testing (IVMT). Combined with smart-mobile technologies, LoCs are pervasively...... giving rise to opportunities to better diagnose disease, predict and monitor personalised treatment efficacy, or provide healthcare decision-making support at the Point-of-Care (PoC). Although made increasingly available to the consumer market, the adoption of LoC-based PoC In-Vitro Medical Testing (IVMT......) systems is still in its infancy. This attrition partly pertains to the intricacy of designing and developing complex systems, destined to be used sporadically, in a fast-pace evolving technological paradigm. System evolvability is therefore key in the design process and constitutes the main motivation...

  8. Land Mobile Satellite Service (LMSS): A conceptual system design and identification of the critical technologies. Part 1: Executive summary

    Science.gov (United States)

    Naderi, F. (Editor)

    1982-01-01

    A system design for a satellite aided land mobile service is described. The advanced system is based on a geostationary satellite which employs a large UHF reflector to communicate with small user antennas on mobile vehicles. It is shown that the system through multiple beam antennas and frequency reuse provides for radiotelephone and dispatch channels. It is concluded that the system is technologically feasible to provide service to rural and remote regions.

  9. System considerations and RF front-end design for integration of satellite navigation and mobile standards

    Directory of Open Access Journals (Sweden)

    A. Miskiewicz

    2009-05-01

    Full Text Available The paper presents the challenges involved in a system design of a robust reconfigurable RF front-end for navigation and mobile standards. Receiver architecture is chosen from the point of view of inter-system interference and 130nm CMOS process characteristics. System concept covers the implementation of GPS, Galileo, UMTS, GSM and CDMA2000 using a Zero-IF architecture with reconfigurable analog and digital path. Feasibility studies of the system cover analysis of the wireless regulations and performance criteria, such as overall gain, noise figure (NF, and 1dB compression point (P1dB of the RF chain, phase noise requirements and VCO tuning range [1]. The presented chip was fabricated in 130 nm CMOS technology. System considerations are confirmed with the chip measurements of gain, noise figure, and linearity. Prospects for the future work are presented including technology shrink.

  10. Safety Design of Mobile OA System%移动OA系统的安全设计

    Institute of Scientific and Technical Information of China (English)

    陈军; 欧书琴

    2014-01-01

    This paper mainly researches the application system security problem in the mobile platform, designs one kind of secu-rity construction to solve its problems which login and data security transmission. In the mobile termination, using a kind of secu-rity client software to establish SSL VPN channel, realizes the data security transmission, and comes for each mobile termination provide only numeral certificate to the user to carry on the authentication, guarantees the authorized users login system normally.%该文主要是研究移动平台上应用系统的安全问题,设计一种安全架构来解决其访问和数据安全传输等问题。在移动终端上,利用某种安全客户端软件建立一条SSL VPN通道,实现数据安全传输,并为每一个移动终端发放唯一的数字证书来对用户进行认证,确保授权用户正常的访问系统。

  11. General precoder design for mitigation of intercarrier interference in OFDM mobile systems

    Institute of Scientific and Technical Information of China (English)

    Wang Xia; Zhu Shihua

    2007-01-01

    For orthogonal frequency-division multiplexing (OFDM) communication systems, the frequency offset in mobile radio channels distorts the orthogonality between sub-carriers, which results in Intercarrier Interference(ICI) and seriously degrades the performance of systems. Based on ICI coefficients analysis, a novel precoder design scheme is proposed for mitigation of ICI. In this technique, precoder matrix is designed by the way of linear counteraction and inserted in the former transmitter signal. Computer simulation results show that this new scheme can effectively reduce ICI and significantly provide the carrier-interference power ratio improvement. Compared with existing ICI mitigation schemes with channel estimation, the proposed scheme has lower computational complexity, and compared with self-cancellation scheme, the bandwidth efficiency can be improved in this proposed scheme. The proposed scheme also has better convergence stability for time-varying frequency selective fading channel.

  12. Design and development of a mobile image overlay system for needle interventions.

    Science.gov (United States)

    Anand, M; King, F; Ungi, T; Lasso, A; Rudan, J; Jayender, J; Fritz, J; Carrino, J A; Jolesz, F A; Fichtinger, G

    2014-01-01

    Previously, a static and adjustable image overlay systems were proposed for aiding needle interventions. The system was either fixed to a scanner or mounted over a large articulated counterbalanced arm. Certain drawbacks associated with these systems limited the clinical translation. In order to minimize these limitations, we present the mobile image overlay system with the objective of reduced system weight, smaller dimension, and increased tracking accuracy. The design study includes optimal workspace definition, selection of display device, mirror, and laser source. The laser plane alignment, phantom design, image overlay plane calibration, and system accuracy validation methods are discussed. The virtual image is generated by a tablet device and projected into the patient by using a beamsplitter mirror. The viewbox weight (1.0 kg) was reduced by 8.2 times and image overlay plane tracking precision (0.21 mm, STD = 0.05) was improved by 5 times compared to previous system. The automatic self-calibration of the image overlay plane was achieved in two simple steps and can be done away from patient table. The fiducial registration error of the physical phantom to scanned image volume registration was 1.35 mm (STD = 0.11). The reduced system weight and increased accuracy of optical tracking should enable the system to be hand held by the physician and explore the image volume over the patient for needle interventions.

  13. The design and networking of dynamic satellite constellations for global mobile communication systems

    Science.gov (United States)

    Cullen, Cionaith J.; Benedicto, Xavier; Tafazolli, Rahim; Evans, Barry

    1993-01-01

    Various design factors for mobile satellite systems, whose aim is to provide worldwide voice and data communications to users with hand-held terminals, are examined. Two network segments are identified - the ground segment (GS) and the space segment (SS) - and are seen to be highly dependent on each other. The overall architecture must therefore be adapted to both of these segments, rather than each being optimized according to its own criteria. Terrestrial networks are grouped and called the terrestrial segment (TS). In the SS, of fundamental importance is the constellation altitude. The effect of the altitude on decisions such as constellation design choice and on network aspects like call handover statistics are fundamental. Orbit resonance is introduced and referred to throughout. It is specifically examined for its useful properties relating to GS/SS connectivities.

  14. Land Mobile Satellite Service (LMSS): A conceptual system design and identification of the critical technologies: Part 2: Technical report

    Science.gov (United States)

    Naderi, F. (Editor)

    1982-01-01

    A conceptual system design for a satellite-aided land mobile service is described. A geostationary satellite which employs a large (55-m) UHF reflector to communicate with small inexpensive user antennas on mobile vehicles is discussed. It is shown that such a satellite system through multiple beam antennas and frequency reuse can provide thousands of radiotelephone and dispatch channels serving hundreds of thousands of users throughout the U.S.

  15. The Design and Implementation of Mobile OPAC System Based on JQuery Mobile%基于JQuery Mobile的移动OPAC系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    朱妍

    2014-01-01

    分析了JQuery Mobile的技术特点以及目前国内移动图书馆OPAC系统发展现状,以广东省科技图书馆为例,探讨了基于JQuery Mobile技术的移动OPAC系统的设计和实现过程。%This paper analyzes the technical characteristics of JQuery Mobile and the current development status of mobile library’s OPAC system in China, and taking the Science and Technology Library of Guangdong as an example, probes into the design and implementation process of mobile OPAC system based on JQuery mobile technology.

  16. Design and implementation of wormlike creeping mobile robot for EAST remote maintenance system

    Energy Technology Data Exchange (ETDEWEB)

    Zhang, Qiang, E-mail: zhangqiang@iim.ac.cn [Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031 (China); Department of Automation, University of Science and Technology of China, Hefei, Anhui 230026 (China); Zhou, Ling [Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031 (China); Wang, Zengfu, E-mail: zfwang@ustc.edu.cn [Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031 (China); Department of Automation, University of Science and Technology of China, Hefei, Anhui 230026 (China)

    2017-05-15

    Highlights: • Wormlike creeping robot walking on the V-shaped circular slot in EAST fusion vessel. • Mobile platform to carry equipments or assist manipulators for maintenance tasks. • Chain structure design with n(n ≥ 2) creeping units each of which has three segments. • Creeping gait planning to construct a multi-axis coordinating control scheme. • Evaluation and verification of basic motion performance and mechanical properties. - Abstract: Maintenance for nuclear fusion vessel is crucial, yet it faces great difficulty due to the complex internal physical and geometric conditions. Since the limitation on inherent strength, load, size, etc, a manipulator robot can only complete very limited tasks. Robotic arm systems for remote operation such as JET and MPD can carry certain tools to complete a variety of operating tasks, but it is difficult to achieve the system which is very complex. Therefore, if the inherent idea of using a single robot to complete the specified functions can change, it is possible to make the problems simpler and easier to solve by adding auxiliary robots working together with the robotic arm systems to complete the assigned tasks. Under the above background, based on the deeply analyzing and refining the functional requirements of the vessel operation robot, proceeding from the perspective of ability to move and carry a certain operating device, this paper presents a wormlike creeping mobile robot walking on the V-shaped circular slot inside a nuclear fusion vessel such as EAST (Experimental Advanced Superconducting Tokamak). We have designed and implemented the principle prototype of the robot which has chain structure with n (n ≥2) creeping units. Each creeping unit is of three-part structure, which consists of fore segment, mid segment and back segment connected by bidirectional universal joint. The fore and back segments stretch the paws to contact the surface of V-shaped slot, while the mid segment realizes the overall

  17. MOBILITY: A SYSTEMS APPROACH

    Directory of Open Access Journals (Sweden)

    Mykola I. Striuk

    2015-10-01

    Full Text Available A comprehensive study on the problem of mobility in the socio-educational and technical systems was carried out: the evolution of the concept of mobility in scientific sources of XIX–XXI centuries was analyzed and the new sources on the issue of mobility introduced into scientific circulation, the interrelation of the types of mobility in the socio-pedagogical and technical systems are theoretically grounded, an integrative model of mobility in the information society is proposed. The major trends in academic mobility are identified (the transition from student mobility to mobility programs and educational services providers, the new mobility programs (franchising, double/joint degrees, combinations, nostrification etc. are characterized. The new types of mobility providers are reviewed and attention is focused on virtual universities that are now the basis of virtual mobility of students and activities which are based on the use of new ICT in higher education, especially – the Internet and mobile learning environments.

  18. The design of stationary and mobile solid oxide fuel cell-gas turbine systems

    Science.gov (United States)

    Winkler, Wolfgang; Lorenz, Hagen

    A general thermodynamic model has shown that combined fuel cell cycles may reach an electric-efficiency of more than 80%. This value is one of the targets of the Department of Energy (DOE) solid oxide fuel cell-gas turbine (SOFC-GT) program. The combination of a SOFC and GT connects the air flow of the heat engine and the cell cooling. The principle strategy in order to reach high electrical-efficiencies is to avoid a high excess air for the cell cooling and heat losses. Simple combined SOFC-GT cycles show an efficiency between 60 and 72%. The combination of the SOFC and the GT can be done by using an external cooling or by dividing the stack into multiple sub-stacks with a GT behind each sub-stack as the necessary heat sink. The heat exchangers (HEXs) of a system with an external cooling have the benefit of a pressurization on both sides and therefore, have a high heat exchange coefficient. The pressurization on both sides delivers a low stress to the HEX material. The combination of both principles leads to a reheat (RH)-SOFC-GT cycle that can be improved by a steam turbine (ST) cycle. The first results of a study of such a RH-SOFC-GT-ST cycle indicate that a cycle design with an efficiency of more than 80% is possible and confirm the predictions by the theoretical thermodynamic model mentioned above. The extremely short heat-up time of a thin tubular SOFC and the market entrance of the micro-turbines give the option of using these SOFC-GT designs for mobile applications. The possible use of hydrocarbons such as diesel oil is an important benefit of the SOFC. The micro-turbine and the SOFC stack will be matched depending on the start-up requirements of the mobile system. The minimization of the volume needed is a key issue. The efficiency of small GTs is lower than the efficiency of large GTs due to the influence of the leakage within the stages of GTs increasing with a decreasing size of the GT. Thus, the SOFC module pressure must be lower than in larger

  19. A mobile Nursing Information System based on human-computer interaction design for improving quality of nursing.

    Science.gov (United States)

    Su, Kuo-Wei; Liu, Cheng-Li

    2012-06-01

    A conventional Nursing Information System (NIS), which supports the role of nurse in some areas, is typically deployed as an immobile system. However, the traditional information system can't response to patients' conditions in real-time, causing delays on the availability of this information. With the advances of information technology, mobile devices are increasingly being used to extend the human mind's limited capacity to recall and process large numbers of relevant variables and to support information management, general administration, and clinical practice. Unfortunately, there have been few studies about the combination of a well-designed small-screen interface with a personal digital assistant (PDA) in clinical nursing. Some researchers found that user interface design is an important factor in determining the usability and potential use of a mobile system. Therefore, this study proposed a systematic approach to the development of a mobile nursing information system (MNIS) based on Mobile Human-Computer Interaction (M-HCI) for use in clinical nursing. The system combines principles of small-screen interface design with user-specified requirements. In addition, the iconic functions were designed with metaphor concept that will help users learn the system more quickly with less working-memory. An experiment involving learnability testing, thinking aloud and a questionnaire investigation was conducted for evaluating the effect of MNIS on PDA. The results show that the proposed MNIS is good on learning and higher satisfaction on symbol investigation, terminology and system information.

  20. Design and evaluation of a mobile bedside PET/SPECT imaging system

    Science.gov (United States)

    Studenski, Matthew Thomas

    Patients confined to an intensive care unit, the emergency room, or a surgical suite are managed without nuclear medicine procedures such as positron emission tomography (PET) or single photon emission computed tomography (SPECT). These studies have diagnostic value which can greatly benefit the physician's treatment of the patient but require that the patient is moved to a scanner. This dissertation examines the feasibility of an economical PET/SPECT system that can be brought to the bedside of an immobile patient for imaging. We chose to focus on cardiac SPECT imaging including perfusion imaging using 99mTc tracers and viability imaging using 18F tracers first because of problems arising from positioning a detector beneath a patient's bed, a requirement for the opposed detector orientation in PET imaging. Second, SPECT imaging acquiring over the anterior 180 degrees of the patient results in reduced attenuation effects due to the heart's location in the anterior portion of the body. Four studies were done to assess the clinical feasibility of the mobile system; 1) the performance of the system was evaluated in SPECT mode at both 140 keV (99mTc tracers) and 511 keV (positron emitting tracers), 2) a dynamic cardiac phantom was used to develop and test image acquisition and processing methods for the system at both energies, 3) a high energy pinhole collimator was designed to reduce the effects of high energy photon penetration through the parallel hole collimator, and 4) we estimated the radiation dose to persons that would be in the vicinity of a patient to ensure that the effective dose is below the regulatory limit. With these studies, we show that the mobile system provides an economical means of bringing nuclear medicine to an immobile patient while staying below the regulatory dose limit to other persons. The system performed well at both 140 keV and 511 keV and provided viable images of a phantom myocardium at both energies. The system does not achieve the

  1. Tandem mobile robot system

    Energy Technology Data Exchange (ETDEWEB)

    Buttz, James H. (Albuquerque, NM); Shirey, David L. (Albuquerque, NM); Hayward, David R. (Albuquerque, NM)

    2003-01-01

    A robotic vehicle system for terrain navigation mobility provides a way to climb stairs, cross crevices, and navigate across difficult terrain by coupling two or more mobile robots with a coupling device and controlling the robots cooperatively in tandem.

  2. Mobile systems development

    DEFF Research Database (Denmark)

    Pedersen, Ole; Kristiansen, Martin Lund; Kammersgaard, Marc N.

    2007-01-01

    Development of mobile software is Surrounded by much uncertainty. Immature software platforms on mobile clients, a highly competitive market calling for innovation, efficiency and effectiveness in the development life cycle, and lacking end-user adoption are just some of the realities facing...... development teams in the mobile software industry. By taking a process view on development of mobile systems we seek to explore the strengths and limitations of eXtreme Programming (XP) in the context of mobile software development. Following an experimental approach a mobile systems development project...... running for four months is conducted. Experiences from the project are used for analysis and discussion of the fit of XP in mobile systems development. First, requirements for mobile systems development projects are proposed. Second, these are analysed and compared to the prescribed principles suggested...

  3. Mobile systems development

    DEFF Research Database (Denmark)

    Pedersen, Ole; Kristiansen, Martin Lund; Kammersgaard, Marc N.

    2007-01-01

    Development of mobile software is Surrounded by much uncertainty. Immature software platforms on mobile clients, a highly competitive market calling for innovation, efficiency and effectiveness in the development life cycle, and lacking end-user adoption are just some of the realities facing...... development teams in the mobile software industry. By taking a process view on development of mobile systems we seek to explore the strengths and limitations of eXtreme Programming (XP) in the context of mobile software development. Following an experimental approach a mobile systems development project...... running for four months is conducted. Experiences from the project are used for analysis and discussion of the fit of XP in mobile systems development. First, requirements for mobile systems development projects are proposed. Second, these are analysed and compared to the prescribed principles suggested...

  4. Design of a robotic mobility system with a modular haptic feedback approach to promote socialization in children.

    Science.gov (United States)

    Chen, Xi; Ragonesi, Christina; Galloway, James C; Agrawal, Sunil K

    2014-01-01

    Self-initiated mobility is a causal factor in children's development. Previous studies have demonstrated the effectiveness of our training methods in learning directional driving and navigation. The ultimate goal of mobility training is to enable children to be social, that is, to interact with their peers. A powered mobility device was developed that can localize itself, map the environment, plan an obstacle-free path to a goal, and ensure safety of a human driver. Combined with a positioning system, this system is able to apply a force field using a modular haptic feedback approach to train subjects to drive towards an object, a caregiver, a peer, or a group of peers. System feasibility was tested by designing a 'ball chasing' game. Results show that the system is promising in promoting socialization in children.

  5. Ion mobility sensor system

    Science.gov (United States)

    Xu, Jun; Watson, David B.; Whitten, William B.

    2013-01-22

    An ion mobility sensor system including an ion mobility spectrometer and a differential mobility spectrometer coupled to the ion mobility spectrometer. The ion mobility spectrometer has a first chamber having first end and a second end extending along a first direction, and a first electrode system that generates a constant electric field parallel to the first direction. The differential mobility spectrometer includes a second chamber having a third end and a fourth end configured such that a fluid may flow in a second direction from the third end to the fourth end, and a second electrode system that generates an asymmetric electric field within an interior of the second chamber. Additionally, the ion mobility spectrometer and the differential mobility spectrometer form an interface region. Also, the first end and the third end are positioned facing one another so that the constant electric field enters the third end and overlaps the fluid flowing in the second direction.

  6. Optical design of low cost imaging systems for mobile medical applications

    Science.gov (United States)

    Kass, Alexander; Slyper, Ronit; Levitz, David

    2015-03-01

    Colposcopes, the gold standard devices for imaging the cervix at high magnfication, are expensive and sparse in low resource settings. Using a lens attachment, any smartphone camera can be turned into an imaging device for tissues such as the cervix. We create a smartphone-based colposcope using a simple lens design for high magnification. This particular design is useful because it allows parameters such as F-number, depth of field, and magnification to be controlled easily. We were therefore able to determine a set of design steps which are general to mobile medical imaging devices and allow them to maintain requisite image quality while still being rugged and affordable.

  7. The Design and Development of an Omni-Directional Mobile Robot Oriented to an Intelligent Manufacturing System.

    Science.gov (United States)

    Qian, Jun; Zi, Bin; Wang, Daoming; Ma, Yangang; Zhang, Dan

    2017-09-10

    In order to transport materials flexibly and smoothly in a tight plant environment, an omni-directional mobile robot based on four Mecanum wheels was designed. The mechanical system of the mobile robot is made up of three separable layers so as to simplify its combination and reorganization. Each modularized wheel was installed on a vertical suspension mechanism, which ensures the moving stability and keeps the distances of four wheels invariable. The control system consists of two-level controllers that implement motion control and multi-sensor data processing, respectively. In order to make the mobile robot navigate in an unknown semi-structured indoor environment, the data from a Kinect visual sensor and four wheel encoders were fused to localize the mobile robot using an extended Kalman filter with specific processing. Finally, the mobile robot was integrated in an intelligent manufacturing system for material conveying. Experimental results show that the omni-directional mobile robot can move stably and autonomously in an indoor environment and in industrial fields.

  8. A Knowledge Based System for the Design of Mobile Subscriber Equipment Communications Networks.

    Science.gov (United States)

    1985-12-01

    organic chemistry , and medical diagnosis (20:5-6). Expert systems are generally composed of three parts: a database containing the specialized domain...Pennsylvania, 26 March 1984. 31. Schaum , Don and others. "MSE: Mobile Subscriber Equipment," Army Communicator, 9: 6-22 (Fall 1984). 32. Schneider, G

  9. Designing mobile experiences for collocated interaction

    OpenAIRE

    Lundgren, Sus; Fischer, Joel; Reeves, Stuart; Torgersson, Olof

    2015-01-01

    Many of our everyday social interactions involve mobile devices. Yet, these tend to only provide good support for distributed social interactions. Although much HCI and CSCW research has explored how we might support collocated, face-to-face situations using mobile devices, much of this work exists as isolated exemplars of technical systems and / or interaction designs. This paper draws on a range of such exemplars to develop a practical design framework intended for guiding the design of new...

  10. The smart IV stand design through human tracking mobile robot system by CDS cell

    Science.gov (United States)

    Jo, Seong-Hyeon; Choe, Jong-Hun; Seo, Suk-Hyun; Kim, Won-Hoe; Lee, Hong-Kyu; Park, Se-Ho

    2015-03-01

    Vision-based recognition of the object as a general interface gives us high cost and complicated problem. This research suggests human tracking system by Arduino, and Laser-CdS cell system track wire that pass laser line. In this paper, we review existing literature on application systems of recognition which involves many interdisciplinary studies. We conclude that our method can only reduce cost, but is easy way to trace people's location with the use of wire. Furthermore, we apply several recognition systems including CdS-based mobile robot that is applied IV stand used at the hospital effectively.

  11. Mechanical Design and Testing of an Instrumented Rocker-Bogie Mobility System for the Kapvik Micro-Rover

    Science.gov (United States)

    Setterfield, T.

    The rocker-bogie mobility system is a six-wheeled mobility system with the ability to equilibrate ground pressure amongst its wheels and traverse obstacles up to one wheel diameter in height; it has been used previously on NASA's Sojourner, Spirit, Opportunity and Curiosity rovers. This paper presents the mechanical design of an instrumented rocker-bogie mobility system for Kapvik, a 30 kg planetary micro-rover prototype developed for the Canadian Space Agency. The design of the wheel drive system is presented, including: motor selection, gear train selection, and performance limits. The design of a differential mechanism, which minimizes the pitch angle of the rover body, is provided. Design considerations for the integration of single-axis force sensors above the wheel hubs are presented. Structural analysis of the rocker and bogie links is outlined. The cross-hill and uphill-downhill static stability of Kapvik is investigated. Load cell and joint position data from testing during obstacle negotiation and uphill operation are presented.

  12. Design and Development of an Intelligent Mobile Health Tele-assistance System in Ambulance Practice Service

    Directory of Open Access Journals (Sweden)

    Rachid Merzougui

    2013-01-01

    Full Text Available Our attention has focused on the choice of a relevant work. It concerns an implemented and conceived service of medical Teleassistance for monitoring risky persons brought by ambulance service. Thus, a medical bulletin is automatically filled on mobile terminal, immediately transmitted to the service of the emergency (on doctors mobile terminal, data base of clinic. This paper recalls a complete architecture of an economic wireless transmission system with the implementation of an effective application, adapted to the portable phone, allowing the doctor to have the medical information of patients who have a risk of accident. Thus, the stakes of setting up such systems are numerous, so much for patients, medical staff and the society in general.

  13. DESIGN AND DEVELOPMENT OF A PERSONAL HEALTH MONITORING SYSTEM ON ANDROID MOBILE PLATFORM

    Directory of Open Access Journals (Sweden)

    ROBERT SOWAH

    2013-06-01

    Full Text Available The ignorance and lack of easy access to basic health information such as Body Mass Index (BMI, standard amounts of food calorie intake and nutritional semantics on a daily basis is a problem that has been prevalent in developing countries such as Ghana for the past decade. Adverse detrimental health conditions such as diabetes, hypertension, stroke, etc. have been statistically recorded and it has been proven that these result out of poor diet and sedentariness.A solution to this problem can be attained with the application of the principles of mobile web application development, coupled with an adequate comprehension of human biology, physiology and dietetics. Individuals are privileged to have a personal way of addressing health issues and habits, based on daily interactivity with thesystem. Currently, mobile phones equipped with Android Operating System (OS and Java are widespread thus utilising existing infrastructure and resources to meet health needs. This paper implements strategic algorithms that enable mobile devices, running on the Android (OS to be utilized maximally for data collection and analysis via user-system interactivity. Positive results were obtainedafter system tests were carried out. Its impact on the healthy development of society and individuals was coherently established, buttressing how indisputable its relevance is to personal health monitoring.

  14. A Cloud Based Mobile Dispatching System with Built-in Social CRM Component: Design and Implementation

    Directory of Open Access Journals (Sweden)

    Cosmina Ivan

    2015-07-01

    Full Text Available Mobile dispatching applications have become popular for at least two major reasons. The first reason is a more mobile-centric usage pattern, where users relate to apps for fulfilling different needs that they have. In this respect, a vehicle dispatching application for mobile phones is perceived as a modern way of booking a vehicle. The second reason has to do with the advantages that this method has over traditional dispatching systems, such as being able to see the vehicle approaching on a map, being able to rate a driver and the most importantly spurring customer retention. The taxi dispatching business, one of the classes of dispatching businesses, tends to be a medium to lower class fidelity service, where users mostly consider the closest taxi as opposed to quality, which is regarded as being at a relatively consistent level. We propose a new approach for the taxi ordering application , a mobile dispatching system, which allows for a more engaged user base and offers fidelity rewards that are used to enhance the customer retention level based on a built in social customer relationship management (CRM component. With this approach, we argue that in a business world which is shifting from a consumer-centric marketing to a human-centric model, this apps will allows taxi businesses to better interact with their clients in a more direct and responsible manner. Also this distributed system helps taxi drivers, which can receive orders directly from their clients and will be able to benefit from offering quality services as they can get higher ratings.

  15. Design & Implementation of a Mobile Phone Charging System Based on Solar Energy Harvesting

    Directory of Open Access Journals (Sweden)

    Qutaiba I. Ali

    2011-06-01

    Full Text Available The ability to harvest energy from the environment represents an important technology area that promises to eliminate wires and battery maintenance for many important applications and permits deploying self powered devices. This paper suggests the use of a solar energy harvester to charge mobile phone devices. In the beginning, a comprehensive overview to the energy harvesting concept and technologies is presented. Then the design procedure of our energy harvester was detailed. Our prototype solar energy harvester proves its efficiency to charge the aimed batteries under sunlight or an indoor artificial light.

  16. Design and Development of Mechanical Structure and Control System for Tracked Trailing Mobile Robot

    Directory of Open Access Journals (Sweden)

    Hongchuan Xu

    2013-02-01

    Full Text Available Along with the science and technology unceasing progress, the uses of tracing robots become more and more widely. Tracked tracing robot was adopted as the research object in this paper, mechanical structure and control system of robot was designed and developmented. In mechanical structure design part, structure designed and positioned  were completed, including design of robot body, wheel, underpan, transmission structure and the positioning of batteries, control panel, sensors, etc, and then robot dynamics was analyzed; In control section, M30245 was used as the core, according to the characteristics of tracked tracing robot differential drive, realization scheme of motion control system was put forward, system drive circuit, detection module, control program were developed. System were discussed and checked through test. From this paper tracked tracing robot was researched, and a certain design and experimental basis can be provided in future research.

  17. Mobile Sensing Systems

    Directory of Open Access Journals (Sweden)

    Elsa Macias

    2013-12-01

    Full Text Available Rich-sensor smart phones have made possible the recent birth of the mobile sensing research area as part of ubiquitous sensing which integrates other areas such as wireless sensor networks and web sensing. There are several types of mobile sensing: individual, participatory, opportunistic, crowd, social, etc. The object of sensing can be people-centered or environment-centered. The sensing domain can be home, urban, vehicular… Currently there are barriers that limit the social acceptance of mobile sensing systems. Examples of social barriers are privacy concerns, restrictive laws in some countries and the absence of economic incentives that might encourage people to participate in a sensing campaign. Several technical barriers are phone energy savings and the variety of sensors and software for their management. Some existing surveys partially tackle the topic of mobile sensing systems. Published papers theoretically or partially solve the above barriers. We complete the above surveys with new works, review the barriers of mobile sensing systems and propose some ideas for efficiently implementing sensing, fusion, learning, security, privacy and energy saving for any type of mobile sensing system, and propose several realistic research challenges. The main objective is to reduce the learning curve in mobile sensing systems where the complexity is very high.

  18. Mobile Sensing Systems

    Science.gov (United States)

    Macias, Elsa; Suarez, Alvaro; Lloret, Jaime

    2013-01-01

    Rich-sensor smart phones have made possible the recent birth of the mobile sensing research area as part of ubiquitous sensing which integrates other areas such as wireless sensor networks and web sensing. There are several types of mobile sensing: individual, participatory, opportunistic, crowd, social, etc. The object of sensing can be people-centered or environment-centered. The sensing domain can be home, urban, vehicular… Currently there are barriers that limit the social acceptance of mobile sensing systems. Examples of social barriers are privacy concerns, restrictive laws in some countries and the absence of economic incentives that might encourage people to participate in a sensing campaign. Several technical barriers are phone energy savings and the variety of sensors and software for their management. Some existing surveys partially tackle the topic of mobile sensing systems. Published papers theoretically or partially solve the above barriers. We complete the above surveys with new works, review the barriers of mobile sensing systems and propose some ideas for efficiently implementing sensing, fusion, learning, security, privacy and energy saving for any type of mobile sensing system, and propose several realistic research challenges. The main objective is to reduce the learning curve in mobile sensing systems where the complexity is very high. PMID:24351637

  19. Design and Experiment of Electrooculogram (EOG) System and Its Application to Control Mobile Robot

    Science.gov (United States)

    Sanjaya, W. S. M.; Anggraeni, D.; Multajam, R.; Subkhi, M. N.; Muttaqien, I.

    2017-03-01

    In this paper, we design and investigate a biological signal detection of eye movements (Electrooculogram). To detect a signal of Electrooculogram (EOG) used 4 instrument amplifier process; differential instrumentation amplifier, High Pass Filter (HPF) with 3 stage filters, Low Pass Filter (LPF) with 3 stage filters and Level Shifter circuit. The total of amplifying is 1000 times of gain, with frequency range 0.5-30 Hz. IC OP-Amp OP07 was used for all amplifying process. EOG signal will be read as analog input for Arduino microprocessor, and will interfaced with serial communication to PC Monitor using Processing® software. The result of this research show a differences value of eye movements. Differences signal of EOG have been applied to navigation control of the mobile robot. In this research, all communication process using Bluetooth HC-05.

  20. DESIGN AND DEVELOPMENT OF A LOW–COST AERIAL MOBILE MAPPING SYSTEM FOR MULTI-PURPOSE APPLICATIONS

    Directory of Open Access Journals (Sweden)

    C. Acevedo Pardo

    2015-08-01

    Full Text Available The research project with the working title "Design and development of a low-cost modular Aerial Mobile Mapping System" was formed during the last year as the result from numerous discussions and considerations with colleagues from the HafenCity University Hamburg, Department Geomatics. The aim of the project is to design a sensor platform which can be embedded preferentially on an UAV, but also can be integrated on any adaptable vehicle. The system should perform a direct scanning of surfaces with a laser scanner and supported through sensors for determining the position and attitude of the platform. The modular design allows his extension with other sensors such as multispectral cameras, digital cameras or multiple cameras systems.

  1. Measurement of mobile antenna systems

    CERN Document Server

    Arai, Hiroyuki

    2012-01-01

    If you're involved with the design, installation or maintenance of mobile antenna systems, this thoroughly revised and updated edition of a classic Artech book offers you the most current and comprehensive coverage of all the mandatory measurement techniques you need for your work in the field. This Second Edition presents critical new material in key areas, including radiation efficiency measurement, mobile phone usage position, and MIMO (multiple-input/multiple-output) antennas.This unique resource provides in-depth examinations of all relevant mobile antenna measurement theories, along with

  2. A First Approach to Design Mobility Function and Noise Filter in VLC System Utilizing Low-cost Analog Circuits

    Directory of Open Access Journals (Sweden)

    Syifaul Fuada

    2017-07-01

    Full Text Available Visible Light Communication (VLC as one of wireless technology must be able to offer a good capability as mobile communication system. The signal will be faded when the distance and angle of LED to photo-detector become higher at a certain distance. Other problem at VLC system is light interference noise which is caused by flicker effect from other light sources such as incandescent, fluorescent, DC-lamp (i.e. flashlight and the sunlight. Each of lights have specific carried signal characteristics and it can influences the VLC system. In this paper we offer design of mobile VLC system based on analog domain. We use Automatic Gain Controller (AGC circuit using commercially available IC and it will be placed at analog front-end receiver side. AGC can self-adjust its gain according to the input signal amplitude.  We also design analog filter to eliminate all interferences noise spectrum which is existed under 50 KHz. We design both circuits, analog filter and AGC in VLC receiver system with low-cost. The test data are obtained through the simulation and achieved good results in ideal condition.

  3. High Level Analysis, Design and Validation of Distributed Mobile Systems with CoreASM

    Science.gov (United States)

    Farahbod, R.; Glässer, U.; Jackson, P. J.; Vajihollahi, M.

    System design is a creative activity calling for abstract models that facilitate reasoning about the key system attributes (desired requirements and resulting properties) so as to ensure these attributes are properly established prior to actually building a system. We explore here the practical side of using the abstract state machine (ASM) formalism in combination with the CoreASM open source tool environment for high-level design and experimental validation of complex distributed systems. Emphasizing the early phases of the design process, a guiding principle is to support freedom of experimentation by minimizing the need for encoding. CoreASM has been developed and tested building on a broad scope of applications, spanning computational criminology, maritime surveillance and situation analysis. We critically reexamine here the CoreASM project in light of three different application scenarios.

  4. Implication of Secure Micropayment System Using Process Oriented Structural Design by Hash chaining in Mobile Network

    Directory of Open Access Journals (Sweden)

    Chitra Kiran N.

    2012-01-01

    Full Text Available The proposed system presents a novel approach of designing a highly secured and robust process oriented architecture for micropayment system in wireless adhoc network. Deployment of any confidential transaction over dynamic nature of wireless adhoc network will strike a high amount of security challenges which is very difficult to identify which poses a great difficulty in designing and effective countermeasures. The current work designs the security process using hash chain and Simple Public Key Infrastructure to be implemented on newly designed digital agreement of broker along with paving new secure routing for secure m-transaction as an efficient alternative for digital coin. The system stimulates the intermediate nodes to cooperate for facilitating secure and reliable transaction from source to destination nodes. The system consists of high end encryption using hash function is also independent of any Trusted Third Party when the network topology frequency changes, thereby it is flexible, lightweight, and reliable for secure micropayment systems. The analysis result shows the system is highly robust and secure ensuring anonymity, privacy, non-repudiation offline payment system over wireless adhoc network.

  5. Modular Mobile Application Design

    Directory of Open Access Journals (Sweden)

    Jim Hahn

    2012-10-01

    Full Text Available This article describes the development of the Minrva library app for Android phones. The decisions to build a native application with Java and use a modular design are discussed. The application includes five modules: catalog search, in-building navigation, a barcode scanning feature, and up to date notifications of circulating technology availability. A sixth module, Amazon recommendations, that is not included in the version of the app that was released is also discussed. The article also reports on the findings of two rounds of usability testing and the plans for future development of the app.

  6. Mobile systems development

    DEFF Research Database (Denmark)

    Hosbond, Jens Henrik

    2005-01-01

    This paper takes a systems development perspective on mobility, building on preliminary findings of an on-going multiple case study covering 7 companies. The questions driving this paper are: What are the challenges facing development practice in the mobile industry, how do they affect practice...... and a development dimension. Finally, implications stemming from these challenges are discussed and issues inviting for future research are proposed....

  7. The Omninet mobile satellite system

    Science.gov (United States)

    Salmasi, A.; Curry, W.

    Mobile Satellite System (MSS) design offering relatively low cost voice, data, and position location services to nonmetropolitan areas of North America is proposed. The system provides spectrally efficient multiple access and modulation techniques, and flexible user interconnection to public and private switched networks. Separate UHF and L-band satellites employing two 9.1 m unfurlable antennas each, achieve a 6048 channel capacity and utilize spot beams. Mobile terminals have modular design and employ 5 dBi omnidirectional antennas. Gateway stations (with two 5 m Ku-band antennas) and base stations (with a single 1.8 m Ku-band antenna) transmit terrestrial traffic to the satellite, where traffic is then transponded via an L-band or UHF downlink to mobile users. The Network Management Center uses two 5-m antennas and incorporates the Integrated-Adaptive Mobile Access Protocol to assure demand assignment of satellite capacity. Preliminary implementation of this low-risk system involves a mobile alphanumeric data service employing receive-only terminals at Ku-band projected for 1987, and plans for the launching of L-band receive-only packages as early as 1988.

  8. Hardware Design of Wireless Physical Token Ring System for Mobile and Cell Communication

    Directory of Open Access Journals (Sweden)

    Nidal F. Shilbayeh

    2004-01-01

    Full Text Available A wireless network system based on an infrared and Laser scanning Physical Token Ring architecture (W-PTRS was designed, built and tested successfully. The network provides a different way of utilizing the concept of a token ring network but with a higher efficiency related to the speed of data transfer and the ability to parallel process client-server requests leading to a new concept of the token ring system, which will not fail simply because of ring breakage. The study proposes a new wireless communication protocol, which is neither IEEE802.11 nor Bluetooth. This newly developed protocol could prove to be an excellent communication media if supported by industry. If implemented, this wireless system will provide an alternative but efficient way of wireless communication.

  9. Wireless Power System Design for Mobile Robots used in Nuclear Power Plants

    Energy Technology Data Exchange (ETDEWEB)

    Choi, S. Y.; Yoo, S. J.; Lee, Kun J.; Rim, C. T. [Korea Advanced Institute of Science and Technology, Daejeon (Korea, Republic of)

    2012-05-15

    The robots used in nuclear power plants (NPP) have received much attention in recent years due to the Fukushima nuclear accident, which is considered as one of the worst nuclear disasters. In general, the NPP robots can play important roles in fuel exchange, repair work, radiation monitoring, rescue, and scouting out NPP. Under these conditions, human access to NPP during normal and emergency operations is strictly restricted due to the risks of high level radiation and contamination. However, in practice, robots have not been widely used in NPP because of the following limitations. First, the NPP robots cannot be of multi-purpose use because of their mission complexity and uniqueness. Second, the demand of the NPP robots is low due to the limited number of NPP over the world. Third, the NPP robots developed so far have no enough confidence in spite of the improvement of robot technology. Lastly, the NPP robots cannot carry on their mission continuously due to the limited energy capacity of the battery: mobile robots should stop working every two hours to recharge their batteries and spend least twenty minutes. As the solutions for this 'energy hungry' problem, high capacity batteries, quick battery chargers, power cables, and internal combustion engines were proposed; however, they still have the problems such as limited mission time and range, frequent recharging, or exhausting emission and noise. In this paper, the wireless power transfer systems (WPTS) for NPP robots are proposed. This technology can let NPP robots free from mission time and range limits, and exhausting emission. The requirements for the NPP robots are newly proposed, and two types of WPTS, roaming and railway, are suggested in this paper

  10. Mobile Design Pattern Gallery UI Patterns for Mobile Applications

    CERN Document Server

    Neil, Theresa

    2012-01-01

    When you're under pressure to produce a well designed, easy-to-navigate mobile app, there's no time to reinvent the wheel. This concise book provides a handy reference to 70 mobile app design patterns, illustrated by more than 400 screenshots from current iOS, Android, BlackBerry, WebOS, Windows Mobile, and Symbian apps. User experience professional Theresa Neil (Designing Web Interfaces) walks you through design patterns in 10 separate categories, including anti-patterns. Whether you're designing a simple iPhone application or one that's meant to work for every popular mobile OS on the mark

  11. System Architecture and Mobility Management for Mobile Immersive Communications

    Directory of Open Access Journals (Sweden)

    Mehran Dowlatshahi

    2007-01-01

    Full Text Available We propose a system design for delivery of immersive communications to mobile wireless devices based on a distributed proxy model. It is demonstrated that this architecture addresses key technical challenges for the delivery of these services, that is, constraints on link capacity and power consumption in mobile devices. However, additional complexity is introduced with respect to application layer mobility management. The paper proposes three possible methods for updating proxy assignments in response to mobility management and compares the performance of these methods.

  12. A mobile system for quantifying the spatial variability of the surface energy balance: design and application

    Science.gov (United States)

    Wohlfahrt, Georg; Tasser, Erich

    2015-05-01

    We present a mobile device for the quantification of the small-scale (a few square meters) spatial variability in the surface energy balance components and several auxiliary variables of short-statured (ecological research questions. The potential of the new device is demonstrated through four selected case studies, which cover the issues of net radiation heterogeneity within the footprint of eddy covariance flux measurements due to (1) land use and (2) slope and aspect of the underlying surface, (3) controls on landscape-scale variability in soil temperature and albedo and (4) the estimation of evapotranspiration based exclusively on measurements with the mobile device.

  13. 移动医疗终端设计与实现%Design and Implementation of Mobile Telemedicine System's Mobile Terminal

    Institute of Scientific and Technical Information of China (English)

    苏秋玲; 李伟鹏; 洪范宗

    2011-01-01

    目的:基于ARM9嵌入式硬件平台与GPRS技术设计移动医疗系统的移动终端.方法:设计基本移动医疗系统框架,在终端上构建ARM-Linux+QT软件平台,采用GPRS网络进行远程生理数据无线传输,QT编程实现终端的用户界面.结果:经测试,终端能实现心电数据采集、存储、分析处理,医生和监护中心接收端通过GPRS无线网络能接收到发送过来的检测结果和心电数据,并绘制出相应的心电波形,及时作出诊断并提供医嘱信息.结论:设计的移动医疗系统满足功能要求,为社区和家庭医疗体系的建立奠定了基础.%Objective To design a mobile terminal based on ARM9 embedded hardware platform and GPRS technology for mobile telemedicine system. Methods We constructed a ARM-Linux+QT software platform, and used GPRS network for remote wireless transmission of data and program by QT for terminal's ueer interface. Results ECG tests show that the terminal can realize functions such as ECG data acquisition, storage, wireless data transmission, message and phone communication, abnormality detection to trigger wireless daia transmission. The doctor and monitoring center can receive the test results and ECG data via GPRS wireless network then send over to draw the corresponding ECG waveform and diagnose timely to provide medical advice. Conclusion The terminal quite meets the demands of mobile telemedicine system, and makes the foundation of community and family health care system.[Chinese Medical Equipment Journal,2011 ,32(7) : 4-6,13

  14. EFFECT OF CLUSTERING IN DESIGNING A FUZZY BASED HYBRID INTRUSION DETECTION SYSTEM FOR MOBILE AD HOC NETWORKS

    Directory of Open Access Journals (Sweden)

    D. Vydeki

    2013-01-01

    Full Text Available Intrusion Detection System (IDS provides additional security for the most vulnerable Mobile Adhoc Networks (MANET. Use of Fuzzy Inference System (FIS in the design of IDS is proven to be efficient in detecting routing attacks in MANETs. Clustering is a vital means in the detection process of FIS based hybrid IDS. This study describes the design of such a system to detect black hole attack in MANET that uses Adhoc On-Demand Distance Vector (AODV routing protocol. It analyses the effect of two clustering algorithms and also prescribes the suitable clustering algorithm for the above-mentioned IDS. MANETs with various traffic scenarios were simulated and the data set required for the IDS is extracted. A hybrid IDS is designed using Sugeno type-2 FIS to detect black hole attack. From the experimental results, it is derived that the subtractive clustering algorithm produces 97% efficient detection while FCM offers 91%. It has been found that the subtractive clustering algorithm is more fit and efficient than the Fuzzy C-Means clustering (FCM for the FIS based detection system.

  15. ARMrayan Multimedia Mobile CMS: a Simplified Approach towards Content-Oriented Mobile Application Designing

    OpenAIRE

    Manashty, Ali Reza; Raji, Mohammad Reza Ahmadzadeh; Jahromi, Zahra Forootan; Rajabzadeh, Amir

    2010-01-01

    The ARMrayan Multimedia Mobile CMS (Content Management System) is the first mobile CMS that gives the opportunity to users for creating multimedia J2ME mobile applications with their desired content, design and logo; simply, without any need for writing even a line of code. The low-level programming and compatibility problems of the J2ME, along with UI designing difficulties, makes it hard for most people -even programmers- to broadcast their content to the widespread mobile phones used by ne...

  16. ADAPTING LINUX AS MOBILE OPERATING SYSTEM

    Directory of Open Access Journals (Sweden)

    Kaushik Velusamy

    2013-01-01

    Full Text Available In this fast growing world, people are increasingly mobile; everything is fast, connected and highly secured. All these have put up the requirements on mobile devices and leads to several features being added in the mobile operating systems and its architecture. The development of the next generation software platform based on Linux for mobile phones provides enhanced user experience, power management, cloud support and openness in the design. In spite of many studies on Linux, the investigations on the challenges and benefits of reusing and adapting the Linux kernel to mobile platforms is very less. In this study, a study on architecture of the Linux, its adaptations for a mobile operating system, requirements and analysis for Linux mobile phones, comparison with android and solution technologies to satisfy the requirements for a Linux mobile operating system are analysed and discussed."

  17. User Acceptance of Mobile Knowledge Management Learning System: Design and Analysis

    Science.gov (United States)

    Chen, Hong-Ren; Huang, Hui-Ling

    2010-01-01

    Thanks to advanced developments in wireless technology, learners can now utilize digital learning websites at anytime and anywhere. Mobile learning captures more and more attention in the wave of digital learning. Evolving use of knowledge management plays an important role to enhance problem solving skills. Recently, innovative approaches for…

  18. User Acceptance of Mobile Knowledge Management Learning System: Design and Analysis

    Science.gov (United States)

    Chen, Hong-Ren; Huang, Hui-Ling

    2010-01-01

    Thanks to advanced developments in wireless technology, learners can now utilize digital learning websites at anytime and anywhere. Mobile learning captures more and more attention in the wave of digital learning. Evolving use of knowledge management plays an important role to enhance problem solving skills. Recently, innovative approaches for…

  19. Wireless and mobile systems in telemedicine

    Directory of Open Access Journals (Sweden)

    Reza Safdari

    2012-12-01

    Full Text Available Background: It is necessary to deploy mobile and wireless systems in healthcare, because they have many benefits for healthcare systems. The objectives of this article were introducing various systems, applications, and standards of the wireless and mobile telemedicine. Material and Methods: This review study was conducted in 2010. To conduct the study, published articles in the years 2005 to 2012, in English with an emphasis on wireless and mobile technologies in health were studied. Search was done with key words include telemedicine, wireless health systems, health and telecommunications technology in databases including Pubmed, Science Direct, Google Scholar, Web of Sciences, Proquest. The collected data were analyzed. Results: Telemedicine system in the ambulance, telemedicine systems in space, telecardiology systems, EEG system, ultrasound system are some types of wireless and mobile systems in telemedicine. PDA-based mobile and wireless telemedicine application, based PDA drug application, and patient tracking application are some of wireless and mobile applications of telemedicine. The most important standards of wireless and mobile telemedicine are HL7, DICOM, SNOMed, and ICD-9-CM. Conclusion: There are many challenges in the wireless and mobile systems in telemedicine, despite the many benefits. Slow speed in sending pictures and video, lack of attention to the privacy in the design of these systems, environmental variables and the number of users during the day are some of these challenges. It is recommended to consider these challenges during the planning and designing of wireless and mobile systems in telemedicine.

  20. 可移动式除尘系统的设计%Design of mobile dust removal system

    Institute of Scientific and Technical Information of China (English)

    冉丽隆; 李剑锋

    2014-01-01

    针对某些间歇性产生烟尘污染的生产车间,因配套固定式除尘系统占用固定空间,设计了一种可移动式除尘系统。本文介绍了该移动式除尘系统的结构、技术参数、及其回转装置和驱动装置的选型。该除尘器适用于场地狭小、流动作业频繁、且产生的烟尘量大的生产作业区域。%Since it occupies a fixed space to support a fixed dust system,which produces intermittent dust pol-lution in some workshop.A mobile dust removal system is designed.This paper introduces the duster structure ,technical parameters ,and selection of its rotary device and driving device.The duster is suitable for opera-tion area of narrow space,frequent mobile operation,and serious dust pollution.

  1. Design of high–order HTS dual–band bandpass filters with receiver subsystem for future mobile communication systems

    Energy Technology Data Exchange (ETDEWEB)

    Sekiya, N., E-mail: nsekiya@yamanashi.ac.jp

    2016-08-15

    Highlights: • We have developed two high-order HTS dual-band BPFs with a receiver subsystem for future mobile communication systems. • We developed a method for flexibly adjusting the coupling coefficient for the two passbands. • We demonstrated an HTS dual-band BPF receiver subsystem that uses a pulse tube cryocooler and a wideband LNA. • The proposed BPF is evaluated by simulation and measurement with good agreement. - Abstract: We have developed two high-order high-temperature superconducting (HTS) dual-band bandpass filters (BPFs) with a receiver subsystem for future mobile communication systems. They feature stub-loaded hair-pin resonators with two types of microstrip lines between them. One has a six-pole design, and the other has an eight-pole design. Both were designed to operate at 2.15 GHz with a 43-MHz (2%) bandwidth for the lower passband and at 3.50 GHz with a 70-MHz (2%) bandwidth for the upper one. They were fabricated using YBa{sub 2}Cu{sub 3}O{sub y} thin film on a CeO{sub 2}-bufferd r-Al{sub 2}O{sub 3} substrate. The measured results for both filters agree well with the simulated ones. The HTS dual-band BPF receiver subsystem uses a pulse tube cryocooler and a wideband low noise amplifier (LNA). We measured the frequency response of the six-pole dual-band BPF with and without a wideband LNA with a gain of 10 dB. The measured return losses were close.

  2. A Novel Grey-RSS Navigation System Design for Mobile Robots

    Directory of Open Access Journals (Sweden)

    Albert Yao

    2012-06-01

    Full Text Available The active magnetic bearing (AMB offers several advantages such as having no friction, high rotational speed, less energy loss, and long life span. In rotation application, however, it must be connected to a motor which may degrade its performance. A bearingless motor is the combination of the active magnetic bearing and a motor. It saves software and hardware facilities, resulting in lower costs. In this paper, a permanent-magnet type bearingless motor is proposed based on a three-pole AMB. The translational magnetic field (generating the bearing forces and the rotational magnetic field (generating the motor torque are analyzed to establish the mathematical dynamic model of the overall system. Based on the dynamic model, a two-stage controller that sequentially levitates the rotor and controls the motor speed is designed. Numerical simulations are performed to verify the analysis.

  3. Designing Home Automation System (HAS) using Java ME for Mobile Phone

    OpenAIRE

    Sharon Panth; Mahesh Jivani

    2013-01-01

    Home automation means to control home appliances and their characteristics like on and off, speed, volume and dimming. Since last few years, ICT (Information Communication Technology) have been increasingly embedded into surroundings. This inclination has been frequently referred to as pervasive or ubiquitous computing, where mobile devices are practiced widely. Home automation is taken up on the basis of simplicity, protection and power consumption effectiveness. This paper presents the desi...

  4. An architecture for mobile database management system

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    In order to design a new kind of mobile database management system (DBMS) more suitable for mobile computing than the existent DBMS, the essence of database systems in mobile computing is analyzed. An opinion is introduced that the mobile database is a kind of dynamic distributed database, and the concept of virtual servers to translate the clients' mobility to the servers' mobility is proposed. Based on these opinions, a kind of architecture of mobile DBMS, which is of versatility, is presented. The architecture is composed of a virtual server and a local DBMS, the virtual server is the kernel of the architecture and its functions are described. Eventually, the server kernel of a mobile DBMS prototype is illustrated.

  5. Mobilizing Senior Citizens in Co-Design of Mobile Technology

    DEFF Research Database (Denmark)

    Malmborg, Lone; Gronvall, Erik; Messeter, Jörn

    2016-01-01

    &Take project. Challenges for mobilization are identified, based on an analysis of attitudes and values among design researchers and senior citizens. This analysis lead us to identify and discuss three strategies for mobilizing senior citizens in co-design of mobile technology: 1) Understanding being ‘elderly......This paper disseminates work from the European Give&Take project, which aims at co-designing service sharing among senior citizens based on a mobile and distributed platform. With this project as a frame, our paper addresses methodological considerations of participation in co-design for ageing....... Based on the notions of design culture, communities of everyday practice and situated elderliness we present accounts from two European countries, and discuss methodological issues related to mobilizing senior citizens in co-design work as they have manifested themselves and influenced the Give...

  6. Mobile Biomass Pelletizing System

    Energy Technology Data Exchange (ETDEWEB)

    Thomas Mason

    2009-04-16

    This grant project examines multiple aspects of the pelletizing process to determine the feasibility of pelletizing biomass using a mobile form factor system. These aspects are: the automatic adjustment of the die height in a rotary-style pellet mill, the construction of the die head to allow the use of ceramic materials for extreme wear, integrating a heat exchanger network into the entire process from drying to cooling, the use of superheated steam for adjusting the moisture content to optimum, the economics of using diesel power to operate the system; a break-even analysis of estimated fixed operating costs vs. tons per hour capacity. Initial development work has created a viable mechanical model. The overall analysis of this model suggests that pelletizing can be economically done using a mobile platform.

  7. Mobile Intelligent Autonomous Systems

    Directory of Open Access Journals (Sweden)

    Jitendra R. Raol

    2010-01-01

    Full Text Available Mobile intelligent autonomous systems (MIAS is a fast emerging research area. Although it can be regarded as a general R&D area, it is mainly directed towards robotics. Several important subtopics within MIAS research are:(i perception and reasoning, (ii mobility and navigation,(iii haptics and teleoperation, (iv image fusion/computervision, (v modelling of manipulators, (vi hardware/software architectures for planning and behaviour learning leadingto robotic architecture, (vii vehicle-robot path and motionplanning/control, (viii human-machine interfaces for interaction between humans and robots, and (ix application of artificial neural networks (ANNs, fuzzy logic/systems (FLS,probabilistic/approximate reasoning (PAR, Bayesian networks(BN and genetic algorithms (GA to the above-mentioned problems. Also, multi-sensor data fusion (MSDF playsvery crucial role at many levels of the data fusion process:(i kinematic fusion (position/bearing tracking, (ii imagefusion (for scene recognition, (iii information fusion (forbuilding world models, and (iv decision fusion (for tracking,control actions. The MIAS as a technology is useful for automation of complex tasks, surveillance in a hazardousand hostile environment, human-assistance in very difficultmanual works, medical robotics, hospital systems, autodiagnosticsystems, and many other related civil and military systems. Also, other important research areas for MIAScomprise sensor/actuator modelling, failure management/reconfiguration, scene understanding, knowledge representation, learning and decision-making. Examples ofdynamic systems considered within the MIAS would be:autonomous systems (unmanned ground vehicles, unmannedaerial vehicles, micro/mini air vehicles, and autonomousunder water vehicles, mobile/fixed robotic systems, dexterousmanipulator robots, mining robots, surveillance systems,and networked/multi-robot systems, to name a few.Defence Science Journal, 2010, 60(1, pp.3-4,

  8. Personalized Mobile Information Retrieval System

    Directory of Open Access Journals (Sweden)

    Okkyung Choi

    2012-04-01

    Full Text Available Building a global Network Relations with the internet has made huge changes in personal information system and even comments left on a webpage of SNS(Social Network Services are appreciated as important elements that would provide valuable information for someone. Social Network is a relation between individuals or groups, represented in a graph model, which converts the concept of psychological and social relations into a logical structure by using node and link. But, most of the current personalized systems on the basis of Social Network are built and constructed mainly in the PC environment, and the systems are neither designed nor implemented in mobile environment. Hence, the objective of this study is to propose methods of providing Personalized Mobile Information Retrieval System using NFC (Near Field Communication Smartphone, which will be then used for Smartphone users. Besides, this study aims to verify its efficiency through a comparative analysis of existing studies.

  9. Personalized Mobile Information Retrieval System

    Directory of Open Access Journals (Sweden)

    Okkyung Choi

    2012-04-01

    Full Text Available Building a global Network Relations with the internet has made huge changes in personal information system and even comments left on a webpage of SNS(Social Network Services are appreciated as important elements that would provide valuable information for someone. Social Network is a relation between individuals or groups, represented in a graph model, which converts the concept of psychological and social relations into a logical structure by using node and link. But, most of the current personalized systems on the basis of Social Network are built and constructed mainly in the PC environment, and the systems are neither designed nor implemented in mobile environment. Hence, the objective of this study is to propose methods of providing Personalized Mobile Information Retrieval System using NFC (Near Field Communication Smartphone, which will be then used for Smartphone users. Besides, this study aims to verify its efficiency through a comparative analysis of existing studies.

  10. Examples of design and achievement of vision systems for mobile robotics applications

    Science.gov (United States)

    Bonnin, Patrick J.; Cabaret, Laurent; Raulet, Ludovic; Hugel, Vincent; Blazevic, Pierre; M'Sirdi, Nacer K.; Coiffet, Philippe

    2000-10-01

    Our goal is to design and to achieve a multiple purpose vision system for various robotics applications : wheeled robots (like cars for autonomous driving), legged robots (six, four (SONY's AIBO) legged robots, and humanoid), flying robots (to inspect bridges for example) in various conditions : indoor or outdoor. Considering that the constraints depend on the application, we propose an edge segmentation implemented either in software, or in hardware using CPLDs (ASICs or FPGAs could be used too). After discussing the criteria of our choice, we propose a chain of image processing operators constituting an edge segmentation. Although this chain is quite simple and very fast to perform, results appear satisfactory. We proposed a software implementation of it. Its temporal optimization is based on : its implementation under the pixel data flow programming model, the gathering of local processing when it is possible, the simplification of computations, and the use of fast access data structures. Then, we describe a first dedicated hardware implementation of the first part, which requires 9CPLS in this low cost version. It is technically possible, but more expensive, to implement these algorithms using only a signle FPGA.

  11. Design of high-order HTS dual-band bandpass filters with receiver subsystem for future mobile communication systems

    Science.gov (United States)

    Sekiya, N.

    2016-08-01

    We have developed two high-order high-temperature superconducting (HTS) dual-band bandpass filters (BPFs) with a receiver subsystem for future mobile communication systems. They feature stub-loaded hair-pin resonators with two types of microstrip lines between them. One has a six-pole design, and the other has an eight-pole design. Both were designed to operate at 2.15 GHz with a 43-MHz (2%) bandwidth for the lower passband and at 3.50 GHz with a 70-MHz (2%) bandwidth for the upper one. They were fabricated using YBa2Cu3Oy thin film on a CeO2-bufferd r-Al2O3 substrate. The measured results for both filters agree well with the simulated ones. The HTS dual-band BPF receiver subsystem uses a pulse tube cryocooler and a wideband low noise amplifier (LNA). We measured the frequency response of the six-pole dual-band BPF with and without a wideband LNA with a gain of 10 dB. The measured return losses were close.

  12. Spacecraft (Mobile Satellite) configuration design study

    Science.gov (United States)

    1985-01-01

    The relative costs to procure and operate a two-satellite mobile satellite system designed to operate either in the UHF band of the L Band, and with several antenna diameter options in each frequency band was investigated. As configured, the size of the spacecraft is limited to the current RCA Series 4000 Geosynchronous Communications Spacecraft bus, which spans the range from 4000 to 5800 pounds in the transfer orbit. The Series 4000 bus forms the basis around which the Mobile Satellite transponder and associated antennas were appended. Although the resultant configuration has little outward resemblance to the present Series 4000 microwave communications spacecraft, the structure, attitude control, thermal, power, and command and control subsystems of the Series 4000 spacecraft are all adapted to support the Mobile Satellite mission.

  13. Mobile-friendly web design and development

    OpenAIRE

    Heyiredin, Daniel

    2013-01-01

    This study deals with the current technology how to optimized mobile friendly web design and development. The conception of this thesis idea Mobile-friendly web design and development was conceived by a colleague during a visit to Nokia Company. The purpose of this paper is to show how to build compelling easy to use website which is optimized to today’s mobile devices. Web application developers and companies who wants to optimize their products for mobile devices could also benefit ...

  14. Design of Kalman filters for mobile robots

    DEFF Research Database (Denmark)

    Larsen, Thomas Dall; Hansen, Karsten L.; Andersen, Nils Axel

    1999-01-01

    Kalman filters have for a long time been widely used on mobile robots as a location estimator. Many different Kalman filter designs have been proposed, using models of various complexity. In this paper, two different design methods are evaluated and compared. Focus is put on the common setup where...... the mobile robot is equipped with a dual encoder system supported by some additional absolute measurements. A common filter type for this setup is the odometric filter, where readings from the odometry system on the robot are used together with the geometry of the robot movement as a model of the robot....... If additional kinematic assumptions are made, for instance regarding the velocity of the robot, an augmented model can be used instead. This kinematic filter has some advantages when used intelligently, and it is shown how this type of filter can be used to suppress noise on encoder readings and velocity...

  15. How Mobility Systems Produce Inequality

    DEFF Research Database (Denmark)

    Richardson, Tim; Jensen, Ole B.

    2008-01-01

    . This approach is illustrated in a case study of one urban transit system: the BTS Sky Train, Bangkok, Thailand. The analysis reveals the subtle hegemony of an elite mobility system that slowly becomes not only the ‘norm' but increasingly the desired mode of mobility, emphasising how mobile elites...

  16. Mobile surface water filtration system

    Directory of Open Access Journals (Sweden)

    Aashish Vatsyayan

    2012-09-01

    Full Text Available To design a mobile system for surface water filtrationMethodology: the filtration of surface impurities begins with their retraction to concentrated thickness using non ionising surfactants, then isolation using surface tension property and sedimentation of impurities in process chamber using electrocoagulation. Result:following studies done to determine the rate of spreading of crude oil on water a method for retraction of spread crude oil to concentrated volumes is developed involving addition of non -ionising surfactants in contrast to use of dispersants. Electrocoagulation process involves multiple processes taking place to lead to depositionof impurities such as oil, grease, metals. Studies of experiments conducted reveals parameters necessary for design of electrocoagulation process chamber though a holistic approach towards system designing is still required. Propeller theory is used in determining the required design of propeller and the desired thrust, the overall structure will finally contribute in deciding the choice of propeller.

  17. Controller Design Of Unicycle Mobile Robot

    Directory of Open Access Journals (Sweden)

    Mohd Zamzuri Abd Rashid

    2012-10-01

    Full Text Available ABSTRACT: The ability of unicycle mobile robot to stand and move around using one wheel has attracted a lot of researchers to conduct studies about the system, particularly in the design of the system mechanisms and the control strategies. This paper reports the investigation done on the design of the controller of the unicycle mobile robot system to maintain its stability in both longitudinal and lateral directions. The controller proposed is a Linear Quadratic Controller (LQR type which is based on the linearized model of the system. A thorough simulation studies have been carried out to find out the performance of the LQR controller. The best controller gain, K acquired through the simulation is selected to be implemented and tested in the experimental hardware. Finally, the results obtained from the experimental study are compared to the simulation results to study the controller efficacy. The analysis reveals that the proposed controller design is able to stabilize the unicycle mobile robot.ABSTRAK: Kemampuan robot satu roda untuk berdiri dan bergerak di sekitar telah menarik minat ramai penyelidik untuk mengkaji sistem robot terutamanya didalam bidang rangka mekanikal dan strategi kawalan robot. Kertas kajian ini melaporkan hasil penyelidikan ke atas strategi kawalan robot bagi memastikan sistem robot satu roda dapat distabilkan dari arah sisi dan hadapan. Strategi kawalan yang dicadang, menggunakan teknik kawalan kuadratik sejajar (Linear Quadratic Control yang berdasarkan model robot yang telah dipermudahkan. Kajian simulasi secara terperinci telah dijalankan bagi mengkaji prestasi strategi kawalan yang dicadangkan. Dari kajian simulasi sistem robot, pemilihan faktor konstan, K yang sesuai di dalam strategi kawalan telah dibuat, agar dapat dilaksanakan ke atas sistem robot yang dibangunkan. Keputusan dari kajian simulasi dan tindak balas oleh sistem robot yang dibangunkan akhirnya dibandingkan bagi melihat kesesuaian faktor kostan, K

  18. Design and implementation of mobile office system based on mobile IP technology%基于移动IP技术的移动办公系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    李旭荣; 李侯青

    2012-01-01

    为了解决移动用户随时随地远程接入和移动办公问题,解决传统TCP/IP协议不支持IP设备移动性问题,以及解决与数据通信的安全问题等,采用了使用移动终端自代理和基于兵符智能密码钥匙的安全机制技术,设计实现了基于移动IP技术的移动办公系统,系统实现了移动终端的跨不同网段漫游、远程接入、移动办公以及企业分支机构互联等多种功能.%A mobile office system based on mobile IP technology was designed and implemented to solve the following problems: how mobile users could remotely access and work anytime and anywhere; how the traditional TCP/IP protocol could be enhanced to support the mobility of IP devices; how the security of data communications could be guaranteed. Several key techniques were specially applied, such as the self agent by using the mobile terminal itself instead of the foreign agents and the security mechanism based on the commander's tally. The system main functions including mobile terminal roam across different segments, remote access, mobile office and interconnection between business branches were realized.

  19. Designing for social play in co-located mobile games

    DEFF Research Database (Denmark)

    Goddard, William; Garner, Jayden; Jensen, Mads Møller

    2016-01-01

    of mobile, social, and colocated elements. Subsequently, we analyse and discuss this data to identify generalisability in these games. In our discussion we identify how these findings address game design problems of designing collaborative games. Furthermore, we contribute to theory of designing for social......In this paper we explore how mobile devices and co-location in mobile contexts contribute social play in game design, addressing the limited understanding of social interactivity in mobile games. Using the Mechanics-Dynamics-Aesthetics (MDA) framework, we code four games illustrating effective use...... play from the perspectives of co-located mobile contexts in game design by identifying how mobility: (1) affords co-locating with other players in public spaces, (2) supports physical interactions using spatial context and players bodies, extending games beyond their formal system, (3) supports...

  20. System design for 3D wound imaging using low-cost mobile devices

    Science.gov (United States)

    Sirazitdinova, Ekaterina; Deserno, Thomas M.

    2017-03-01

    The state-of-the art method of wound assessment is a manual, imprecise and time-consuming procedure. Per- formed by clinicians, it has limited reproducibility and accuracy, large time consumption and high costs. Novel technologies such as laser scanning microscopy, multi-photon microscopy, optical coherence tomography and hyper-spectral imaging, as well as devices relying on the structured light sensors, make accurate wound assessment possible. However, such methods have limitations due to high costs and may lack portability and availability. In this paper, we present a low-cost wound assessment system and architecture for fast and accurate cutaneous wound assessment using inexpensive consumer smartphone devices. Computer vision techniques are applied either on the device or the server to reconstruct wounds in 3D as dense models, which are generated from images taken with a built-in single camera of a smartphone device. The system architecture includes imaging (smartphone), processing (smartphone or PACS) and storage (PACS) devices. It supports tracking over time by alignment of 3D models, color correction using a reference color card placed into the scene and automatic segmentation of wound regions. Using our system, we are able to detect and document quantitative characteristics of chronic wounds, including size, depth, volume, rate of healing, as well as qualitative characteristics as color, presence of necrosis and type of involved tissue.

  1. Design of an HF-Band RFID System with Multiple Readers and Passive Tags for Indoor Mobile Robot Self-Localization.

    Science.gov (United States)

    Mi, Jian; Takahashi, Yasutake

    2016-07-29

    Radio frequency identification (RFID) technology has already been explored for efficient self-localization of indoor mobile robots. A mobile robot equipped with RFID readers detects passive RFID tags installed on the floor in order to locate itself. The Monte-Carlo localization (MCL) method enables the localization of a mobile robot equipped with an RFID system with reasonable accuracy, sufficient robustness and low computational cost. The arrangements of RFID readers and tags and the size of antennas are important design parameters for realizing accurate and robust self-localization using a low-cost RFID system. The design of a likelihood model of RFID tag detection is also crucial for the accurate self-localization. This paper presents a novel design and arrangement of RFID readers and tags for indoor mobile robot self-localization. First, by considering small-sized and large-sized antennas of an RFID reader, we show how the design of the likelihood model affects the accuracy of self-localization. We also design a novel likelihood model by taking into consideration the characteristics of the communication range of an RFID system with a large antenna. Second, we propose a novel arrangement of RFID tags with eight RFID readers, which results in the RFID system configuration requiring much fewer readers and tags while retaining reasonable accuracy of self-localization. We verify the performances of MCL-based self-localization realized using the high-frequency (HF)-band RFID system with eight RFID readers and a lower density of RFID tags installed on the floor based on MCL in simulated and real environments. The results of simulations and real environment experiments demonstrate that our proposed low-cost HF-band RFID system realizes accurate and robust self-localization of an indoor mobile robot.

  2. Design of an HF-Band RFID System with Multiple Readers and Passive Tags for Indoor Mobile Robot Self-Localization

    Science.gov (United States)

    Mi, Jian; Takahashi, Yasutake

    2016-01-01

    Radio frequency identification (RFID) technology has already been explored for efficient self-localization of indoor mobile robots. A mobile robot equipped with RFID readers detects passive RFID tags installed on the floor in order to locate itself. The Monte-Carlo localization (MCL) method enables the localization of a mobile robot equipped with an RFID system with reasonable accuracy, sufficient robustness and low computational cost. The arrangements of RFID readers and tags and the size of antennas are important design parameters for realizing accurate and robust self-localization using a low-cost RFID system. The design of a likelihood model of RFID tag detection is also crucial for the accurate self-localization. This paper presents a novel design and arrangement of RFID readers and tags for indoor mobile robot self-localization. First, by considering small-sized and large-sized antennas of an RFID reader, we show how the design of the likelihood model affects the accuracy of self-localization. We also design a novel likelihood model by taking into consideration the characteristics of the communication range of an RFID system with a large antenna. Second, we propose a novel arrangement of RFID tags with eight RFID readers, which results in the RFID system configuration requiring much fewer readers and tags while retaining reasonable accuracy of self-localization. We verify the performances of MCL-based self-localization realized using the high-frequency (HF)-band RFID system with eight RFID readers and a lower density of RFID tags installed on the floor based on MCL in simulated and real environments. The results of simulations and real environment experiments demonstrate that our proposed low-cost HF-band RFID system realizes accurate and robust self-localization of an indoor mobile robot. PMID:27483279

  3. Mobility Integration of ERP systems

    Directory of Open Access Journals (Sweden)

    Álvaro LOZANO

    2015-03-01

    Full Text Available Nowadays a lot of enterprises work with ERP systems. It usefulness is generally used in office environments and different enterprises which offer this software are developing mobile applications. These mobile applications work with their own system and they don’t usually work in other platforms. Currently any mobile application can communicate with more than one ERP system because each one has its own communications methods. This article presents a system that expect unify the communication between different ERP systems and allows mobile applications to communicate with them in a homogeneous way.

  4. 医院移动查房系统的设计与应用%Design and Application of Hospital Mobile Ward-Round System

    Institute of Scientific and Technical Information of China (English)

    蔡燕; 卞松

    2015-01-01

    随着移动互联网技术的发展,移动医疗成为现代化医院信息化建设的重要组成部分之一。为了提高医师查房的效率,优化医师工作流程,对医院移动查房系统进行了设计,包括系统架构设计、业务流程设计和系统安全性设计,将游离于医院各信息系统间的患者信息整合并在移动终端统一呈现,并阐述了系统的实施与应用场景。系统的应用能够为医师工作提供便利,提高医疗服务质量,为医院的移动办公时代提供了有效的支撑平台。%With the development of mobile internet technology,mobile medical has become an important part of the information construction of modern hospital. In order to improve the efficiency of warding round and optimize the work flow for the doctor, this paper carried out the design of hospital mobile ward round system, including system architecture design, work process design and system security design. The ward round system integrate the information among various information system and present the integrated information in mobile terminal. Then the paper expounds the application and implementation of the system. The application of the system can provide convenience for doctors’work, can improve the quality of medical service, and provide an effective supporting platform for mobile office of hospital.

  5. Vision Systems for Mobile Robots

    Science.gov (United States)

    1983-08-31

    McNellis, T.J.Jr., "Evaluation of a Laser Triangulation Ranging System for Mobile Robots ", " Technical Report MP-80, Rensselaer Polytechnic Institute...Troy, New York, August, 1982. 7. Clement, T.J. , "A Detailed Evaluation of a Laser Triangulation Ranging System for Mobile Robots ", Technical Report MP...82, Rensselaer Polytechnic Institute, Troy, New York, August, 1983. 8. Hoogeveen, A.L., "A Laser Triangulation Ranging System for Mobile Robots ", Technical

  6. Design of an off-grid hybrid PV/wind power system for remote mobile base station: A case study

    Directory of Open Access Journals (Sweden)

    Mulualem T. Yeshalem

    2017-01-01

    Full Text Available There is a clear challenge to provide reliable cellular mobile service at remote locations where a reliable power supply is not available. So, the existing Mobile towers or Base Transceiver Station (BTSs uses a conventional diesel generator with backup battery banks. This paper presents the solution to utilizing a hybrid of photovoltaic (PV solar and wind power system with a backup battery bank to provide feasibility and reliable electric power for a specific remote mobile base station located at west arise, Oromia. All the necessary modeling, simulation, and techno-economic evaluation are carried out using Hybrid Optimization Model for Electric Renewable (HOMER software. The best optimal system configurations namely PV/Battery and PV/Wind/Battery hybrid systems are compared with the conventional stand-alone diesel generator (DG system. Findings indicated that PV array and battery is the most economically viable option with the total net present cost (NPC of $\\$$57,508 and per unit cost of electricity (COE of $\\$$0.355. Simulation results show that the hybrid energy systems can minimize the power generation cost significantly and can decrease CO2 emissions as compared to the traditional diesel generator only. The sensitivity analysis is also carried out to analysis the effects of probable variation in solar radiation, wind speed, diesel price and average annual energy usage of the system load in the optimal system configurations.

  7. Design and Development of Mobile Phone Jammer

    Directory of Open Access Journals (Sweden)

    Oyediran Oyebode Olumide

    2016-06-01

    Full Text Available This paper presents the design, implementation, and testing of a dual-band mobile-phone jammer. This jammer works at GSM 900 and GSM 1800 simultaneously and thus jams the four well-known carriers frequency in Nigeria (MTN, GLO, AITEL and ETISALAT. This paper went through two stages: Stage one: studying the GSM-system to find the best jamming technique, establishing the system design and selecting suitable components. Stage two: buying all the needed components, drawing the overall schematics, assembling the devices on a well known Veroboard, performing some measurements and finally testing the mobile jammer. The designed stage consist of voltage controlled oscillator, noise generator and Radio Frequency Amplification. MATBLAB Simulink 8.4 was used for the simulation of the frequency oscillator, On Running the simulation, and observing the output of the scope, a signal whose carrier repeatedly moves from 10.6927 to 10.9786 MHz was observed . We can see that the result was a signal at frequency RF covers the whole downlink The designed jammer was successful in jamming the four carriers in Nigeria operating on EDGE or 2G network

  8. Mobile Communication Systems and Security

    CERN Document Server

    Rhee, Man Young

    2009-01-01

    Mobile Communication Systems and Security arms readers with a thorough understanding of all major cellular air-interface technologies and their security layer techniques. Rhee covers the technological development of wireless mobile communications in compliance with each iterative generation up to 3G systems and beyond, with an emphasis on wireless security aspects. By progressing in a systematic manner, presenting the theory and practice of wireless mobile technologies along with various security problems, readers will gain an intimate sense of how mobile systems operate and how to address com

  9. Universal Instructional Design Principles for Mobile Learning

    Directory of Open Access Journals (Sweden)

    Tanya Elias

    2011-02-01

    Full Text Available The report extends a previous analysis of universal instructional design principles in distance education by applying them to the design of mobile learning. Eight principles with particular relevance for distance education are selected, and their recommendations are discussed in relation to the design of educational materials for a range of mobile devices. The problems and opportunities of mobile learning are discussed as is the need for educators to focus on content design issues rather than on searching for the next new technology.

  10. 轮式移动机器人直流伺服控制系统设计%DC Servo System Design for Wheeled Mobile Robot

    Institute of Scientific and Technical Information of China (English)

    温箐笛

    2012-01-01

    随着移动机器人性能的不断完善,移动机器人的应用范围正在不断扩展,逐步进入到工业、军事、服务、教育等领域.设计满足人们的要求的轮式机器人系统一直是控制领域人们关注的热点.设计一直流伺服系统来实现轮式移动机器人的基本要求,设计首先给出了系统的方案.根据方案和所提供的参数性能指标要求.概述了PWM、编码器、直流伺服电机、机器人运动学和动力学.介绍了移动机器人运动系统,以及本设计中的典型Ⅰ型系统.对系统进行静动态分析,设计了一轮式移动机器人直流伺服系统,整定控制器参数.最后通过仿真给出系统的响应结果,进行分析,结果满足移动机器人的基本要求.%With improving performance of mobile robot, the scope of mobile robot application has constantly being applied to industrial and military and service, education, etc. A DC servo systems is designed to meet the demands of Mobile robot. It has practical engineering meaning. A plan of system is introduced. According to the plan and the provided, demand of performance, PWM technique and encoder, DC servo motor, kinematics and dynamics of mobile robot are described. The mobile robot movement system and typical I System dealt with in paper are introduced, The analysis of static performance and dynamic performance are done. A DC servo system of wheeled mobile robots is designed, and the controller parameters are determined. Response results of the system are given by simulation, through analysis, the designed DC servo system can meet the basic requirements of mobile robot.

  11. Design for Mobile Phone Client Forum System%面向手机客户端论坛系统的设计研究

    Institute of Scientific and Technical Information of China (English)

    李清秀; 李派

    2014-01-01

    随着现代科技的快速发展,利用手机上网早已进入了人们的生活,上网就少不了手机客户端。在用户上网的同时,对于手机客户端论坛系统的设计非常重要,手机论坛是利用手机作为终端来进行论坛访问,因为每个手机都能够联网,都有显示屏、键盘或者手写屏作输入的主要工具,加上有支持的应用软件,就可以轻松的访问论坛网站,手机论坛社区与手机移动终端相结合,就能够轻松的随时随地的访问社区资源的方式。该文将通过对手机客户端论坛系统的设计分析,介绍论坛应用的基本概念,分析手机论坛的市场前景,并通过论坛系统的设计进行实际调研和体验,以确保设计开发的可行性,然后提出相应的设计项目,并通过用户的需求,结合各种客户端功能,进行论坛系统的设计开发,以满足更多的用户。%With the rapid development of modern science and technology, the use of mobile phone access to the Internet has al-ready entered people's life, the Internet is not the end of mobile phone client. In Internet users at the same time, which is impor-tant for the design of mobile phone client forum system, mobile phone forum is used as terminal to access using mobile phone fo-rum, because every mobile phone can network, have the screen, keyboard or handwriting input screen as the main tool, applica-tion software support plus, you can easily access the forum website mobile terminal, mobile phone and mobile phone forum com-munity combination, can easily whenever and wherever possible access to community resources way. This paper will analyze through the design of mobile phone client forum system, this paper introduces the basic concept of the mobile phone Forum Fo-rum application, analysis of market prospects, and the actual research and experience through design forum system, to ensure the feasibility of the design and development, and then

  12. Mobile and Social: Ten Best Practices for Designing Mobile Applications

    Directory of Open Access Journals (Sweden)

    Liviu LICA

    2010-01-01

    Full Text Available This paper gives ten best practices for designing mobile applications that have social-networking functions. The need for such an approach is given by the rapid growth in impor-tance of both social networks and mobile applications. In order to make it easy to follow where the best practices come from, the paper starts with a look at why social networks are more than just a buzz word and at how the field of mobile applications is evolving. It also shows how and why the two fields go together so well. To further make the point, there is a case study of four interesting mobile applications that are textbooks examples of successful applications. The best practices are based on research done for this article and on the extensive knowledge of the author.

  13. Architecture and Protocol of a Semantic System Designed for Video Tagging with Sensor Data in Mobile Devices

    Directory of Open Access Journals (Sweden)

    Alvaro Suarez

    2012-02-01

    Full Text Available Current mobile phones come with several sensors and powerful video cameras. These video cameras can be used to capture good quality scenes, which can be complemented with the information gathered by the sensors also embedded in the phones. For example, the surroundings of a beach recorded by the camera of the mobile phone, jointly with the temperature of the site can let users know via the Internet if the weather is nice enough to swim. In this paper, we present a system that tags the video frames of the video recorded from mobile phones with the data collected by the embedded sensors. The tagged video is uploaded to a video server, which is placed on the Internet and is accessible by any user. The proposed system uses a semantic approach with the stored information in order to make easy and efficient video searches. Our experimental results show that it is possible to tag video frames in real time and send the tagged video to the server with very low packet delay variations. As far as we know there is not any other application developed as the one presented in this paper.

  14. Architecture and Protocol of a Semantic System Designed for Video Tagging with Sensor Data in Mobile Devices

    Science.gov (United States)

    Macias, Elsa; Lloret, Jaime; Suarez, Alvaro; Garcia, Miguel

    2012-01-01

    Current mobile phones come with several sensors and powerful video cameras. These video cameras can be used to capture good quality scenes, which can be complemented with the information gathered by the sensors also embedded in the phones. For example, the surroundings of a beach recorded by the camera of the mobile phone, jointly with the temperature of the site can let users know via the Internet if the weather is nice enough to swim. In this paper, we present a system that tags the video frames of the video recorded from mobile phones with the data collected by the embedded sensors. The tagged video is uploaded to a video server, which is placed on the Internet and is accessible by any user. The proposed system uses a semantic approach with the stored information in order to make easy and efficient video searches. Our experimental results show that it is possible to tag video frames in real time and send the tagged video to the server with very low packet delay variations. As far as we know there is not any other application developed as the one presented in this paper. PMID:22438753

  15. Design and Application of Shandong Fire Mobile Command System based Mobile Internet%基于移动互联网的山东消防移动指挥系统的设计和实现

    Institute of Scientific and Technical Information of China (English)

    刘传军; 任钢

    2014-01-01

    随着城市规模不断扩大和基础建设不断完善,各种火灾,尤其是重大恶性火灾频繁发生,给消防灭火救援工作提出了更高的要求。本文介绍了移动互联网技术的概念和组成,从消防具体工作出发,分析了其在消防信息化建设中的应用,围绕现代消防移动指挥系统的设计展开研究。最后给出了消防移动指挥系统的总体设计、部署设计和功能设计等应用。%With the continuous expansion of city scale and infrastructure continue to improve, various fire, particularly the major malignant fire frequently occurs, put forward higher requirements for fire fighting and rescue work. This paper introduces the concept and composition of mobile Internet technology, starting from the fire of specific work, and analyzes the application in fire protection in the information construction, carry out research on the design of modern fire mobile command system. Finally, the overall design, the deployment of fire fighting mobile command system design and function design and other applications are given.

  16. Mobile User Objective System (MUOS)

    Science.gov (United States)

    2015-12-01

    Objective System (MUOS) is a narrowband Military Satellite Communications (MILSATCOM) system that supports a worldwide, multi -Service population of mobile...with the State Department and the Secretary of Defense regarding the Italian court-issued Niscemi work sequestration. The program entered Multi ...Selected Acquisition Report (SAR) RCS: DD-A&T(Q&A)823-345 Mobile User Objective System (MUOS) As of FY 2017 President’s Budget Defense Acquisition

  17. Designing platform independent mobile apps and services

    CERN Document Server

    Heckman, Rocky

    2016-01-01

    This book explains how to help create an innovative and future proof architecture for mobile apps by introducing practical approaches to increase the value and flexibility of their service layers and reduce their delivery time. Designing Platform Independent Mobile Apps and Services begins by describing the mobile computing landscape and previous attempts at cross platform development. Platform independent mobile technologies and development strategies are described in chapter two and three. Communication protocols, details of a recommended five layer architecture, service layers, and the data abstraction layer are also introduced in these chapters. Cross platform languages and multi-client development tools for the User Interface (UI) layer, as well as message processing patterns and message routing of the Service Int rface (SI) layer are explained in chapter four and five. Ways to design the service layer for mobile computing, using Command Query Responsibility Segregation (CQRS) and the Data Abstraction La...

  18. Design and Implementation of Mobile Security Tracking System%手机防盗追踪系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    古发辉; 赖路燕; 井福荣

    2015-01-01

    In modern life, people have been separated from the mobile phone, many important information is stored in the mobile phone. Mobile security has become an urgent need to solve the problem of modern society. This paper the design and implementa-tion of a mobile phone anti-theft tracking system is to effectively solve real-time monitoring of mobile phone status and data backup function based on GPS positioning, base station location, sensor technology, data backup and other technology.%现代生活中人们已经离不开手机,许多重要信息都存储在手机中,手机防盗已成为现代社会迫切需要解决的问题.该文基于GPS定位、基站定位、传感器技术、数据备份等技术设计了一款手机防盗追踪系统,实现了实时监听手机状态和数据备份功能,有效解决了手机防盗问题.

  19. Mobile Multimedia Systems

    NARCIS (Netherlands)

    Havinga, Paul Johannes Mattheus

    2000-01-01

    Recent advances in wireless networking technology and the exponential development of semiconductor technology have engendered a new paradigm of computing, called personal mobile computing. In this paradigm, the basic personal computing and communication device will be an integrated, battery-operated

  20. Design of Mobile Intelligent Warehouse Management System%移动智能仓储管理系统设计

    Institute of Scientific and Technical Information of China (English)

    毕晓东

    2014-01-01

    针对目前企业仓储管理效率较低等问题,提出采用Android技术开发基于智能终端的移动仓储管理系统设计框架,以提高仓储管理效率,简化管理流程。%For the current business issues such as inefficient warehouse management ,proposes the use of Android technol-ogy to develop mobile warehouse management system framework based on intelligent terminals ,in order to improve the ef-ficiency of warehouse management ,streamline management processes .

  1. An integrated mobile system for port security

    Energy Technology Data Exchange (ETDEWEB)

    Cester, D. [Dipartimento di Fisica, Universita di Padova, Via F. Marzolo 8, Padova I-35131 (Italy); Fabris, D. [INFN Sezione di Padova, Via F. Marzolo 8, Padova I-35131 (Italy); Lunardon, M.; Moretto, S. [Dipartimento di Fisica, Universita di Padova, Via F. Marzolo 8, Padova I-35131 (Italy); Nebbia, G. [INFN Sezione di Padova, Via F. Marzolo 8, Padova I-35131 (Italy); Pesente, S.; Stevanato, L.; Viesti, G. [Dipartimento di Fisica, Universita di Padova, Via F. Marzolo 8, Padova I-35131 (Italy); Neri, F.; Petrucci, S.; Selmi, S.; Tintori, C. [CAEN S.p.A., Via Vetraia 11, I-55049, Viareggio LU (Italy)

    2011-07-01

    An integrated mobile system for port security is presented. The system is designed to perform active investigations, by using the tagged neutron inspection technique, of suspect dangerous materials as well as passive measurements of neutrons and gamma rays to search and identify radioactive and special nuclear materials. (authors)

  2. Virtualization techniques for mobile systems

    CERN Document Server

    Jaramillo, David; Agarwal, Ankur

    2014-01-01

    This book presents effective ways to partition mobile devices such that the enterprise system access and its information are completely separated from the personal information. For those using mobile devices for personal and business purposes, the ability to keep the data secure and separate is critical. The applications for security in smart platforms range from personal email accounts to global enterprise systems.Several approaches for mobile virtualization are described, all creating secure and secluded environments for enterprise information. The authors present a reference architecture th

  3. Design research into mobile museum mediation

    DEFF Research Database (Denmark)

    Baggesen, Rikke Haller

    2013-01-01

    community. 
The PhD research project “Mobile Mediation of Fashion by Museums” explores how aesthetic and ethnographic design methods can be used to develop mobile experiences and articulate museological matters of concern. Building on user perspectives, expressed in response to cultural probes, the project......Using mobile media, museums may transcend institutional settings to highlight the significance and meanings of cultural heritage: framing art and design in the urban sphere, shedding light on nature in the wild, or bringing historic sites to life. The possibilities are manifold...... has generated a design game to support projection and discussion of possible concept scenarios and their implications. The game format was used in a series of workshops with Designmuseum Danmark, to ideate and consider new ways to appreciate Copenhagen fashion culture via mobile media. This paper...

  4. Designing Omni-Directional Mobile Robot with Mecanum Wheel

    Directory of Open Access Journals (Sweden)

    Jefri E.M. Salih

    2006-01-01

    Full Text Available This study presents the processes undertaken in the design and development of an intelligent omni-directional mobile robot using four custom-made mecanum wheels. The mecanum wheel developed consists of nine rollers made from delrin. All mecanum wheels are independently powered using four units of precisian gear DC motors and the wheel/motor assemblies were mounted directly to the robot chassis made using an aluminum frame. A four channel high power H-bridge using 2 units of LMD 18200 motor drivers IC circuit was design, built and interfaced to a BasicStamp (BS2 microcontroller board. Basic mobility algorithm using BasicStamp software was developed to test the basic mobility capabilities and test the qualitative view of the system's mobility performance. An experiment was set-up to analyze the motion characteristic of the mobile robot motion in Y-axis, X-axis and rotary motion. Data from the experiment will be used for mathematically model for mobile robot platform and speed controller modeling and design. Mecanum wheel mobile robot provides a convenient platform for further development in the mobile platform. The combination of mechanical design on the wheel and chassis, motion control and multiple input/output sensors allow the exploration of large number of control algorithm and software to be implemented to the robot for practical applications.

  5. Design of Evaluation System about Identity Authentication in Mobile Commerce%移动商务身份认证评价体系的设计

    Institute of Scientific and Technical Information of China (English)

    王秦; 支芬和; 薛晓霞

    2012-01-01

    Identity authentication mechanism in mobile commerce could ensure the security communication in mobile commerce.Main evaluation methods for the mechanism in mobile commerce are formal analysis methods for security demonstration and system simulation methods for simple index comparison,lack of general performance evaluation for the authentication mechanism.Evaluation system about identity authentication in mobile commerce should satisfy the characters of identity authentication in mobile commerce,which represents the inspection for mobile commerce characters and authentication identity effect.In this paper,firstly it is analyzed the present application situation of identity authentication mechanism in mobile commerce and the shortcomings of the main evaluation methods.Then from the security,applicability and maturity,it is designed total structure of evaluation system about identity authentication in mobile commerce.Finally its all indexes' selection is discussed by progressive layer refinement.%移动商务身份认证机制的评价方法主要为安全性证明的形式化分析方法和单一指标比较的系统仿真方法,缺乏对认证机制性能的整体评价。移动商务身份认证评价体系必须满足移动商务身份认证的特点,即体现对移动商务特性及身份认证效果的检验。本文首先分析移动商务身份认证机制的应用现状和主要评价方法的不足,接着从安全性、适用性和成熟性设计移动商务身份认证评价体系的总体架构,最后逐层细化探讨了其各指标的选取。

  6. Analysis and design of mobile terminal warehouse management system%移动式仓库管理终端系统的分析与设计

    Institute of Scientific and Technical Information of China (English)

    张炜钟; 周飞飞; 陈顺; 赵永刚

    2014-01-01

    讨论了一个自主开发的移动仓储管理系统的设计和实现。该系统基于 J2ME 平台,能够配置在移动通信设备之上,完成现场货物信息的基本管理功能,以适应现代仓储管理的应用需求。%This paper discusses the design and implementation of a self-developed mobile warehouse management system. The system based on J2ME platform, can be configured in the mobile communication equipment, completing the basic management functions of goods information, to meet the needs of the application of modern warehouse management.

  7. 手机数字动漫创作系统研究与设计%The Research and Design of Creation System for Mobile Phone Digital Animation

    Institute of Scientific and Technical Information of China (English)

    彭革刚; 陈之辉; 宋奇志; 王小涛; 马利; 石猛; 封模春

    2015-01-01

    文化产业是21世纪最有前途行业之一,动漫产业作为后起之秀,正在全球文化产业中,扮演着越来越重要的角色. 近年来,随着智能终端和无线宽带技术的快速发展,作为新媒体之一的手动动漫发展迅猛. 文章提出了一种手机数字动漫创作系统的设计和建设方法,并详细介绍了该系统的体系架构、设计和实现方法. 系统投入运行后,成为了广大手机动漫作品创作者进行手机动漫作品创作的有力工具,降低了手机动漫创作技术门槛,提高了手机动漫业务内容创作和服务效率,同时增强了手机动漫业务趣味性和互动性,从而促进推动了手机动漫在我国的发展.%Cultural industry is one of the most promising industries in 21st century. As a rising star,the animation industry plays more and more important role in the global culture industry. With the rapid development of smart terminals and wireless broadband technology in recent years, mobile phone animation rapidly develops as one of the new media. The paper presents the design and implementation method for creation system of mobile animation, and introduces the details of the architecture, design and implementation of the system. After the system is put into operation, it has become a powerful development tool for mobile phone animation creators. It can reduce the technology threshold for mobile phone animation creation, improve the efficiency of content creation and service for mobile phone animation, and enhance the fun and interactive of mobile phone animation business so as to promote the development of mobile phone animation in our country.

  8. Design of Upper Computer Control System of AmigoBot Mobile Robot%AmigoBot移动机器人上位控制系统的设计

    Institute of Scientific and Technical Information of China (English)

    高春生; 纪永刚; 王维; 宋锐

    2012-01-01

    针对AmigoBot移动机器人存在不支持本地可编程控制、只能作为网络终端的问题,提出了一种基于OMAP3530和Android嵌入式平台的AmigoBot移动机器人上位控制系统的设计方案;给出了该系统的硬件及软件结构,详细介绍了在OMAP3530上移植Android系统的过程:首先对Android系统进行裁剪,使其内核功能模块既能满足上位控制系统的要求,又不冗余;在裁剪后的Android系统的基础上,对AmigoBot移动机器人的Aria控制软件、无线通信等应用软件进行设计.实验结果表明,该系统解决了AmigoBot本地控制问题,提高了AmigoBot的扩展能力.%In view of problem that AmigoBot mobile robot did not support local programmable control and was only a network terminal, the paper proposed a design scheme of upper computer control system of AmigoBot mobile robot based on OMAP3530 and Android embedded platform. It gave hardware and software structure of the system, and introduced process of transplanting Android system on OMAP3530: firstly, clipping Android system to make its core function modules not only meet with requirements of the system, but also be irredundant;then designing application softwares of Aria control software and wireless communication of AmigoBot mobile robot on the basis of clipped Android system. The experiment result showed that the system solves problem of local control and improves expanding ability of AmigoBot.

  9. Global Positioning System (GPS) and Geographic Information System (GIS) analysis of mobile harvesting equipment and sediment delivery to streams during forest harvest operations on steep terrain: Experimental design

    Science.gov (United States)

    Daniel Bowker; Jeff Stringer; Chris Barton; Songlin. Fei

    2011-01-01

    Sediment mobilized by forest harvest machine traffic contributes substantially to the degradation of headwater stream systems. This study monitored forest harvest machine traffic to analyze how it affects sediment delivery to stream channels. Harvest machines were outfitted with global positioning system (GPS) dataloggers, recording machine movements and working status...

  10. Combined column-mobile phase mixture statistical design optimization of high-performance liquid chromatographic analysis of multicomponent systems.

    Science.gov (United States)

    Breitkreitz, Márcia C; Jardim, Isabel C S F; Bruns, Roy E

    2009-02-27

    A statistical approach for the simultaneous optimization of the mobile and stationary phases used in reversed-phase liquid chromatography is presented. Mixture designs using aqueous mixtures of acetonitrile (ACN), methanol (MeOH) and tetrahydrofuran (THF) organic modifiers were performed simultaneously with column type optimization, according to a split-plot design, to achieve the best separation of compounds in two sample sets: one containing 10 neutral compounds with similar retention factors and another containing 11 pesticides. Combined models were obtained by multiplying a linear model for column type, C8 or C18, by quadratic or special cubic mixture models. Instead of using an objective response function, combined models were built for elementary chromatographic criteria (retention factors, resolution and relative retention) of each solute or pair of solutes and, after their validation, the global separation was accomplished by means of Derringer's desirability functions. For neutral compounds a 37:12:8:43 (v/v/v/v) percentage mixture of ACN:MeOH:THF:H2O with the C18 column and for pesticides a 15:15:70 (v/v/v) ACN:THF:H2O mixture with the C8 column provide excellent resolution of all peaks.

  11. Antenna design for mobile devices

    CERN Document Server

    Zhang, Zhijun

    2017-01-01

    - Integrates state-of-the-art technologies with a special section for step-by-step antenna design - Features up-to-date bio-safety and electromagnetic compatibility regulation compliance and latest standards - Newly updated with MIMO antenna design, measurements and requirements - Accessible to readers of many levels, from introductory to specialist - Written by a practicing expert who has hired and trained numerous engineers

  12. A Motion Planning System for Mobile Robots

    Directory of Open Access Journals (Sweden)

    TUNCER, A.

    2012-02-01

    Full Text Available In this paper, a motion planning system for a mobile robot is proposed. Path planning tries to find a feasible path for mobile robots to move from a starting node to a target node in an environment with obstacles. A genetic algorithm is used to generate an optimal path by taking the advantage of its strong optimization ability. Mobile robot, obstacle and target localizations are realized by means of camera and image processing. A graphical user interface (GUI is designed for the motion planning system that allows the user to interact with the robot system and to observe the robot environment. All the software components of the system are written in MATLAB that provides to use non-predefined accessories rather than the robot firmware has, to avoid confusing in C++ libraries of robot's proprietary software, to control the robot in detail and not to re-compile the programs frequently in real-time dynamic operations.

  13. A Novel Mobile ECG Telemonitoring System.

    Science.gov (United States)

    Wu, Baoming; Zhuo, Yu; Zhu, Xinjian; Yan, Qingguang; Zhu, Lingyun; Li, Gang

    2005-01-01

    This paper introduces a novel mobile ECG telemonitoring system. By means of CDMA1x (GPSOne) mobile telecommunication network, the system can perform "full time and space" monitoring of human ECG signal, and once the signal of the monitored subject departed from its normal ranges, the hospital ECG monitoring center can further localize his/her geographical position and give rescue in the first time. Another feature of the system is its high anti-interference capability. In order to reduce 50Hz and RF interferences during mobile monitoring, which are usual much serious than conventional hospital monitoring, a new active recording technology was proposed and an active ECG recording electrode was designed. The system has passed the clinical test and used in China.

  14. MEMOS: a mobile extensible memory aid system.

    Science.gov (United States)

    Schulze, Hendrik

    2004-01-01

    Memory disturbances are a frequent outcome of brain damages. Maintenance or enhancement of the patients' quality of life requires enormous effort on the part of caregivers. To support patients with brain injuries, the mobile distributed care system named MEMOS (Mobile Extensible Memory System) was designed, implemented, and tested in the day-care clinic for cognitive neurology at Leipzig University. MEMOS is implemented as a distributed system, using CORBA technologies and Enterprise Java Beans. A special palmtop computer, the Personal Memory Assistant (PMA), reminds the patient of important tasks and supervises the patient's actions. The PMA communicates with the stationary care system via a bi-directional cellular radio connection. The stationary care system was developed to be dependable and scalable. This paper describes the design and function of the MEMOS system.

  15. Tunable Design for LTE Mobile-Phones

    DEFF Research Database (Denmark)

    Barrio, Samantha Caporal Del; Bahramzy, Pevand; Svendsen, Simon;

    2014-01-01

    Antenna volume has become a critical parameter in mobile phone antenna design, as broader bandwidths are required for high connectivity between users. Shrinking the antenna size affects its efficiency, if one does not sacrifice bandwidth. This paper proposes an architecture to address the need fo......-bands with an efficiency of -3 dB at 700 MHz.......Antenna volume has become a critical parameter in mobile phone antenna design, as broader bandwidths are required for high connectivity between users. Shrinking the antenna size affects its efficiency, if one does not sacrifice bandwidth. This paper proposes an architecture to address the need...... for small and wide-band antennas. The study focuses on the low-frequencies (700 MHz - 960 MHz) in order to address a tough scenario for small platforms. A tunable design of the front-end and the antennas of the mobile phone is proposed and investigated. Operation is achieved on all low...

  16. An Ontology For Mobile Situation Aware Systems

    Directory of Open Access Journals (Sweden)

    Paul F O'Brien

    2008-05-01

    Full Text Available This paper introduces a novel design artefact, namely a generic situation management ontology based on situation theory. This ontology contributes to the foundation knowledge base of mobile service delivery systems for future research and systems design. It demonstrates the applicability, and feasibility of using situation theory in the design of reactive information systems. The support within the ontology for context based filtering for situation detection also contributes to the efficiency of implementation and operation of situation driven reactive information systems. Highly mobile people (HMPs require flexible, reactive service delivery due to their regularly changing location and activities and the lack of a wired network connection. A mobile service delivery system should be able to detect relevant events that occur such as change of location, availability of new last-minute specials, sales opportunities and safety issues and then reactively take action in response to these events. This paper describes a generic situation management ontology that was developed in OWL using the ontology development tool, Protégé. The ontology is combined with domain specific classes in the travel domain to create a travel situation management ontology that can be used as the basis for a ubiquitous mobile travel service application. Using a typical independent traveller scenario, the travel situation management ontology is instantiated to demonstrate its effectiveness.

  17. Mobile Education-proposing a Mobile Learning Model for Designing an Institutional Mobile Scenario

    Directory of Open Access Journals (Sweden)

    Ouiame Filali Marzouki

    2014-05-01

    Full Text Available Inspired by the theory of activity, the context model and previous researches, this paper proposes a model bringing together the key concepts of a mobile learning environment based on the concept of contextualization, major advantage of mobile learning. It details the learning mobile environment, its main components, its characteristics and the different interactions between them. The proposed model meets the constraint of mobile learning complementarity, allowing flexibility in its integration with classroom learning such as e-learning or blended learning. It mainly improves upon conventional learning methods and advocates others such as situated, interactive and connectivist learning. Indeed, research several that mobile learning enhances the educational program and reinstates it into the daily lives of learners through their own mobile technologies. Properly implemented, Mobile Learning can make learning activities as fun, as beneficial and certainly more motivating for learners and educators especially in the mobile era where traditional learning methods don’t meet all learners’ needs. Mobiles, connected and in constant social interaction, learners require learning systems more adapted to their communicative and interactive nature. This paper is an early implementation of this concept in learning systems. It aims to help educators to integrate mobile technologies into their learning activities without alternating their educational goals.

  18. Visualizing Mobility of Public Transportation System.

    Science.gov (United States)

    Zeng, Wei; Fu, Chi-Wing; Arisona, Stefan Müller; Erath, Alexander; Qu, Huamin

    2014-12-01

    Public transportation systems (PTSs) play an important role in modern cities, providing shared/massive transportation services that are essential for the general public. However, due to their increasing complexity, designing effective methods to visualize and explore PTS is highly challenging. Most existing techniques employ network visualization methods and focus on showing the network topology across stops while ignoring various mobility-related factors such as riding time, transfer time, waiting time, and round-the-clock patterns. This work aims to visualize and explore passenger mobility in a PTS with a family of analytical tasks based on inputs from transportation researchers. After exploring different design alternatives, we come up with an integrated solution with three visualization modules: isochrone map view for geographical information, isotime flow map view for effective temporal information comparison and manipulation, and OD-pair journey view for detailed visual analysis of mobility factors along routes between specific origin-destination pairs. The isotime flow map linearizes a flow map into a parallel isoline representation, maximizing the visualization of mobility information along the horizontal time axis while presenting clear and smooth pathways from origin to destinations. Moreover, we devise several interactive visual query methods for users to easily explore the dynamics of PTS mobility over space and time. Lastly, we also construct a PTS mobility model from millions of real passenger trajectories, and evaluate our visualization techniques with assorted case studies with the transportation researchers.

  19. Design and implementation of I2Vote--an interactive image-based voting system using windows mobile devices.

    Science.gov (United States)

    van Ooijen, P M A; Broekema, A; Oudkerk, M

    2011-08-01

    To develop, implement and test a novel audience response system (ARS) that allows image based interaction for radiology education. The ARS developed in this project is based on standard Personal Digital Assistants (PDAs) (HP iPAQ 114 classic handheld) running Microsoft® Windows Mobile® 6 Classic with a large 3.5 in. TFT touch screen (320×240 pixel resolution), high luminance and integrated IEEE 802.11b/g wireless. For software development Visual Studio 2008 professional (Microsoft) was used and all components were written in C#. Two test sessions were conducted to test the software technically followed by two real classroom tests in a radiology class for medical students on thoracic radiology. The novel ARS, called I2Vote, was successfully implemented and provided an easy to use, stable setup. The acceptance of both students and teachers was very high and the interaction with the students improved because of the anonymous interaction possibility. An easy to use handheld based ARS that enables interactive, image-based, teaching is achieved. The system effectively adds an extra dimension to the use of an ARS. Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

  20. BLACK HOLE ATTACK IN AODV & FRIEND FEATURES UNIQUE EXTRACTION TO DESIGN DETECTION ENGINE FOR INTRUSION DETECTION SYSTEM IN MOBILE ADHOC NETWORK

    Directory of Open Access Journals (Sweden)

    HUSAIN SHAHNAWAZ

    2012-10-01

    Full Text Available Ad-hoc network is a collection of nodes that are capable to form dynamically a temporary network without the support of any centralized fixed infrastructure. Since there is no central controller to determine the reliable & secure communication paths in Mobile Adhoc Network, each node in the ad hoc network has to rely on each other in order to forward packets, thus highly cooperative nodes are required to ensure that the initiated data transmission process does not fail. In a mobile ad hoc network (MANET where security is a crucial issue and they are forced to rely on the neighbor node, trust plays an important role that could improve the number of successful data transmission. Larger the number of trusted nodes, higher successful data communication process rates could be expected. In this paper, Black Hole attack is applied in the network, statistics are collected to design intrusion detection engine for MANET Intrusion Detection System (IDS. Feature extraction and rule inductions are applied to find out the accuracy of detection engine by using support vector machine. In this paper True Positive generated by the detection engine is very high and this is a novel approach in the area of Mobile Adhoc Intrusion detection system.

  1. 移动远程医疗系统的设计与应用%Design and Application of Mobile Telemedicine System

    Institute of Scientific and Technical Information of China (English)

    张伟娜; 吴美娟; 王修来

    2012-01-01

    随着社会对用科技进步改善医疗服务水平的需求日益增加,将无线移动通信技术应用到远程医疗系统成为了发展方向.通过对移动远程医疗系统的目标、关键技术、总体结构、功能模块等设计,以及在心脑血管疾病远程监护和急救中的应用,满足了家庭监护和应急场合对远程医疗服务的需求,为服务公众健康、提高医疗质量提供了有效支持.%Along with the increasing demands of improving medical service level by technology advancement, the introduction of wireless mobile communication technologies to the mobile telemedicine system is becoming the development direction. By design on the goal, key techniques, whole structure, and function modules of mobile telemedicine system, and application to ECG monitoring and first aid, requirements of family monitor and emergency circumstance to telemedicine are satisfied, which not only gives service to public health, but also provides foundation to improve medical treatment quality.

  2. Mobile Game Based Learning: Designing a Mobile Location Based Game

    Science.gov (United States)

    Schadenbauer, Sandra

    Today’s students grow up with rapidly changing technology. They spend much of their spare time using computer games, mobile phones and other toys and tools of the digital age. These things are part of their lives. Now it’s time to redesign the educational system and to adjust it to today’s technological opportunities. The current system is out of date. It isn’t able to arouse interest in students. With new technology, schools are able to rebuild their educational system and to spark the student’s interest in learning and further education. Passive and disinterested children will be a thing of the past.

  3. Design of mobile multimedia system based on MXT0106%基于MXT0106的移动多媒体系统设计

    Institute of Scientific and Technical Information of China (English)

    林祥果

    2012-01-01

    A mobile multimedia system using MXT0106 embedded microprocessor was designed in this paper.In the system,we use uclinux operating system software for Audio Decoding.Besides,CS4334 stereo D/A converter for Digital Audio,LM4755 power amplifier,TFT-LCD,M65831 and LM324 are also used to achieve an excellent audio and video effect.This system can be used as text reading,photo browsing,MP3 player,MP4 player or mobile storage.It can also be ok as a karaoke system.%利用高性能嵌入式MXT0106微处理器设计了移动多媒体系统。该系统采用Uclinux操作系统进行音频解码,CS4334立体声D/A数字音频转换,LM4755功率放大,TFT-LCD触摸屏彩色显示;利用M65831和LM324的结合,实现了较好的音视频效果。该系统具有文本阅读、图片浏览、MP3播放、MP4播放、移动存储等功能,亦可作为卡拉ok系统使用。

  4. Mobile Phones as Cognitive Systems

    DEFF Research Database (Denmark)

    Stopczynski, Arkadiusz

    the importance of the proposed approach and deployed implementation. The second part of the thesis deals with expanding our capabilities to sense the cognitive and emotional state of the users through development of a system for mobile brain imaging—the Smartphone Brain Scanner. A developed framework allows...

  5. Communications Systems for Mobile Robotics

    Energy Technology Data Exchange (ETDEWEB)

    Futterman, J A; Pao, H

    2003-12-08

    Performance Confirmation is the activity by which the Yucca Mountain Project confirms that the engineered and natural containment barriers of this national nuclear waste repository are performing as predicted, so that an eventual decision to close the repository can be made. This activity involves systems that must be inspected and, in some cases, serviced by mobile robots. This paper discusses systems for underground mobile robot communications, including requirements, environments, options, issues, and down-select criteria. We reviewed a variety of systems, including Slotted Waveguide, Powerline Carrier, Leaky Feeder, Photonic Bandgap Fiber, Free-Space Optics, Millimeter Waves, Terahertz Systems, and RF Systems (including IEEE 802.11 a,b, and g, and Ultra-Wideband radio).

  6. Design and Implementation of Android Mobile Device Management System%Android移动设备管理系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    王亚东; 雷灵光; 周健; 向继

    2016-01-01

    为了确保移动终端在企业中的安全应用,企业移动管理系统(简称,EMMS)应运而生。然而,作为一个发展中的技术,EMMS 的相关功能仍在完善中。特别地,在主流的 Android4.*系统上,开放的 MDM 设备管控接口非常有限,不能很好地满足企业移动设备的安全管控需求。本文通过深入分析移动终端设备的管控需求以及 Android平台的移动设备管控技术(简称,MDM)、Android系统的Activity管理机制等,设计并实现了一个较为完备的Android移动设备管理系统,实现了对相机、蓝牙、WIFI、恶意应用等可能造成敏感数据泄露的设备功能的全面管控。对系统的性能评估结果表明,其在内存、CPU、电池等方面的消耗均很小,不会对用户造成影响。%[Abstract ]:In order to ensure the security of the mobile devices in enterprise,enterprise mobile management system (referred to as,EMMS)arises at the historic moment.However,as a developing technology,the functions of EMMS are still maturing.In particular,Android 4.*,as the mainstream of system,the interface of MDM is very limited.And it can not satisfy the demand of enterprise mobile device security controls.In this paper,by exploring and analyzing cur-rent situation of mobile device management(referred to as,MDM)in Android platform and the management of activity of Android system,the author designed and implemented a comparatively complete Android MDM system,which has achieved the comprehensive control of the mobile device,including camera,Bluetooth,WIFI,and malicious ap-plications.Performance of memory,CPU and battery evaluation experiment results show this system will cost little performance overhead.

  7. Mobile Information Collectors' Trajectory Data Warehouse Design

    CERN Document Server

    oueslati, wided

    2010-01-01

    To analyze complex phenomena which involve moving objects, Trajectory Data Warehouse (TDW) seems to be an answer for many recent decision problems related to various professions (physicians, commercial representatives, transporters, ecologists ...) concerned with mobility. This work aims to make trajectories as a first class concept in the trajectory data conceptual model and to design a TDW, in which data resulting from mobile information collectors' trajectory are gathered. These data will be analyzed, according to trajectory characteristics, for decision making purposes, such as new products commercialization, new commerce implementation, etc.

  8. LBS Mobile Learning System Based on Android Platform

    Directory of Open Access Journals (Sweden)

    Zhang Ya-Li

    2017-01-01

    Full Text Available In the era of mobile internet, PC-end internet services can no long satisfy people’s demands, needs for App and services on mobile phones are more urgent than ever. With increasing social competition, the concept of lifelong learning becomes more and more popular and accepted, making full use of spare time to learn at any time and any place meets updating knowledge desires of modern people, Location Based System (LBS mobile learning system based on Android platform was created under such background. In this Paper, characteristics of mobile location technology and intelligent terminal were introduced and analyzed, mobile learning system which will fulfill personalized needs of mobile learners was designed and developed on basis of location information, mobile learning can be greatly promoted and new research ideas can be expanded for mobile learning.

  9. Map-based mobile services design, interaction and usability

    CERN Document Server

    Meng, Liqiu; Winter, Stephan; Popovich, Vasily

    2008-01-01

    This book reports the newest research and technical achievements on the following theme blocks: Design of mobile map services and its constraints; Typology and usability of mobile map services; Visualization solutions on small displays for time-critical tasks; Mobile map users; Interaction and adaptation in mobile environments; and Applications of map-based mobile services.

  10. Smartphones Based Mobile Mapping Systems

    Science.gov (United States)

    Al-Hamad, A.; El-Sheimy, N.

    2014-06-01

    The past 20 years have witnessed an explosive growth in the demand for geo-spatial data. This demand has numerous sources and takes many forms; however, the net effect is an ever-increasing thirst for data that is more accurate, has higher density, is produced more rapidly, and is acquired less expensively. For mapping and Geographic Information Systems (GIS) projects, this has been achieved through the major development of Mobile Mapping Systems (MMS). MMS integrate various navigation and remote sensing technologies which allow mapping from moving platforms (e.g. cars, airplanes, boats, etc.) to obtain the 3D coordinates of the points of interest. Such systems obtain accuracies that are suitable for all but the most demanding mapping and engineering applications. However, this accuracy doesn't come cheaply. As a consequence of the platform and navigation and mapping technologies used, even an "inexpensive" system costs well over 200 000 USD. Today's mobile phones are getting ever more sophisticated. Phone makers are determined to reduce the gap between computers and mobile phones. Smartphones, in addition to becoming status symbols, are increasingly being equipped with extended Global Positioning System (GPS) capabilities, Micro Electro Mechanical System (MEMS) inertial sensors, extremely powerful computing power and very high resolution cameras. Using all of these components, smartphones have the potential to replace the traditional land MMS and portable GPS/GIS equipment. This paper introduces an innovative application of smartphones as a very low cost portable MMS for mapping and GIS applications.

  11. Mobile Design and Development Practical concepts and techniques for creating mobile sites and web apps

    CERN Document Server

    Fling, Brian

    2009-01-01

    Mobile devices outnumber desktop and laptop computers three to one worldwide, yet little information is available for designing and developing mobile applications. Mobile Design and Development fills that void with practical guidelines, standards, techniques, and best practices for building mobile products from start to finish. With this book, you'll learn basic design and development principles for all mobile devices and platforms. You'll also explore the more advanced capabilities of the mobile web, including markup, advanced styling techniques, and mobile Ajax. If you're a web designer,

  12. Combining ethnography and object-orientation for mobile interaction design

    DEFF Research Database (Denmark)

    Kjeldskov, Jesper; Stage, Jan

    2012-01-01

    . We show that when developing mobile systems ethnographic data is a highly valuable source of input for developing object-oriented models by providing contextual richness, and that in turn, objected-oriented analysis is a highly valuable method for working with ethnographic field data in systems...... combination of ethnography with a structured software engineering method supporting the transition from collected data to design and implementation. We explore this combination through two case studies of mobile system development for supporting distributed work activities within industrial process control...

  13. Dietary Assessment on a Mobile Phone Using Image Processing and Pattern Recognition Techniques: Algorithm Design and System Prototyping

    Directory of Open Access Journals (Sweden)

    Yasmine Probst

    2015-07-01

    Full Text Available Dietary assessment, while traditionally based on pen-and-paper, is rapidly moving towards automatic approaches. This study describes an Australian automatic food record method and its prototype for dietary assessment via the use of a mobile phone and techniques of image processing and pattern recognition. Common visual features including scale invariant feature transformation (SIFT, local binary patterns (LBP, and colour are used for describing food images. The popular bag-of-words (BoW model is employed for recognizing the images taken by a mobile phone for dietary assessment. Technical details are provided together with discussions on the issues and future work.

  14. Dietary Assessment on a Mobile Phone Using Image Processing and Pattern Recognition Techniques: Algorithm Design and System Prototyping.

    Science.gov (United States)

    Probst, Yasmine; Nguyen, Duc Thanh; Tran, Minh Khoi; Li, Wanqing

    2015-07-27

    Dietary assessment, while traditionally based on pen-and-paper, is rapidly moving towards automatic approaches. This study describes an Australian automatic food record method and its prototype for dietary assessment via the use of a mobile phone and techniques of image processing and pattern recognition. Common visual features including scale invariant feature transformation (SIFT), local binary patterns (LBP), and colour are used for describing food images. The popular bag-of-words (BoW) model is employed for recognizing the images taken by a mobile phone for dietary assessment. Technical details are provided together with discussions on the issues and future work.

  15. ARMrayan Multimedia Mobile CMS: a Simplified Approach towards Content-Oriented Mobile Application Designing

    CERN Document Server

    Manashty, Ali Reza; Jahromi, Zahra Forootan; Rajabzadeh, Amir

    2010-01-01

    The ARMrayan Multimedia Mobile CMS (Content Management System) is the first mobile CMS that gives the opportunity to users for creating multimedia J2ME mobile applications with their desired content, design and logo; simply, without any need for writing even a line of code. The low-level programming and compatibility problems of the J2ME, along with UI designing difficulties, makes it hard for most people -even programmers- to broadcast their content to the widespread mobile phones used by nearly all people. This system provides user-friendly, PC-based tools for creating a tree index of pages and inserting multiple multimedia contents (e.g. sound, video and picture) in each page for creating a J2ME mobile application. The output is a stand-alone Java mobile application that has a user interface, shows texts and pictures and plays music and videos regardless of the type of devices used as long as the devices support the J2ME platform. Bitmap fonts have also been used thus Middle Eastern languages can be easily...

  16. Design and Implementation of Mobile Robot SLAMiDE System%移动机器人SLAMiDE系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    陈白帆; 蔡自兴; 邹智荣

    2011-01-01

    针对动态环境下移动机器人同时定位与建图(SLAM)问题,设计一种动态环境SLAM系统——SLAMiDE,给出系统的整体结构框架和实现过程.该系统通过动态目标检测、SLAM和动态目标跟踪同时实现动态地图构建、静态地图构建和机器人定位.实验结果证明,该系统是正确、可行的.%This paper designs a Simultaneous Localization and Mapping(SLAM) system to realize the mobile robot Simultaneous Localization and Mapping(SLAM) in dynamic environment, and presents the overall framework and realization process. The SLAMiDE system realizes the dynamic map building, static map building and mobile robot localization simultaneously through dynamic objects detection, SLAM and dynamic objects tracking. Experimental results show that SLAMiDE system is testified correct and feasible.

  17. Design of multi-ports mobile monitoring system based on ARM-Linux%基于ARM-Linux的多端口移动监测系统设计

    Institute of Scientific and Technical Information of China (English)

    李昶; 翟开元

    2011-01-01

    Multi - ports mobile monitoring system based on ARM-Linux is designed, composing of the hardware and software. The hardware adopts embedded microprocessor PXA270 as the core, the software realizes transport of the monitoring data and video streaming through TCP and Modbus protocol, Socket network programming. The system has better operational efficiency than the traditional monitoring system,realizing multi - stations and mobile monitoring.%设计了基于ARM-Linux的多端口监测和移动视频监控系统.系统由硬件和软件两部分组成,硬件采用嵌入式微控制器PXA270为核心,软件采用,TCP和Modbus协议以及Socket网络编程实现监测数据和视频流的传输.该系统比传统的数据监测系统具有更高的运行效率,可实现多工位、移动式监控.

  18. Design Of An Omnidirectional Mobile Robot For Rough Terrain

    Science.gov (United States)

    2007-09-01

    rough terrain, isotropy, mobile robots , design I. INTRODUCTION Mobile robots are finding increasing use in military [1], disaster recovery [2], and...exploration applications [3]. These applications frequently require operation in rough, unstructured terrain. Currently, most mobile robots designed...perform some maneuvers, such as lateral displacement. Omnidirectional mobile robots could potentially navigate faster and more robustly through

  19. An Exposition of Current Mobile Learning Design Guidelines and Frameworks

    Science.gov (United States)

    Teall, Ed; Wang, Minjuan; Callaghan, Vic; Ng, Jason W. P.

    2014-01-01

    As mobile devices with wireless access become more readily available, learning delivered via mobile devices of all types must be designed to ensure successful learning. This paper first examines three questions related to the design of mobile learning: 1) what mobile learning (m-learning) guidelines can be identified in the current literature, 2)…

  20. An Exposition of Current Mobile Learning Design Guidelines and Frameworks

    Science.gov (United States)

    Teall, Ed; Wang, Minjuan; Callaghan, Vic; Ng, Jason W. P.

    2014-01-01

    As mobile devices with wireless access become more readily available, learning delivered via mobile devices of all types must be designed to ensure successful learning. This paper first examines three questions related to the design of mobile learning: 1) what mobile learning (m-learning) guidelines can be identified in the current literature, 2)…

  1. Adaptive Device Context Based Mobile Learning Systems

    Science.gov (United States)

    Pu, Haitao; Lin, Jinjiao; Song, Yanwei; Liu, Fasheng

    2011-01-01

    Mobile learning is e-learning delivered through mobile computing devices, which represents the next stage of computer-aided, multi-media based learning. Therefore, mobile learning is transforming the way of traditional education. However, as most current e-learning systems and their contents are not suitable for mobile devices, an approach for…

  2. Adaptive Device Context Based Mobile Learning Systems

    Science.gov (United States)

    Pu, Haitao; Lin, Jinjiao; Song, Yanwei; Liu, Fasheng

    2011-01-01

    Mobile learning is e-learning delivered through mobile computing devices, which represents the next stage of computer-aided, multi-media based learning. Therefore, mobile learning is transforming the way of traditional education. However, as most current e-learning systems and their contents are not suitable for mobile devices, an approach for…

  3. Towards Mobile Information Systems for Indoor Space

    Directory of Open Access Journals (Sweden)

    Xiaoxiang Zhang

    2016-01-01

    Full Text Available With the rapid development of Internet of things (IOT and indoor positioning technologies such as Wi-Fi and RFID, indoor mobile information systems have become a new research hotspot. Based on the unique features of indoor space and urgent needs on indoor mobile applications, in this paper we analyze some key issues in indoor mobile information systems, including positioning technologies in indoor environments, representation models for indoor spaces, query processing techniques for indoor moving objects, and index structures for indoor mobile applications. Then, we present an indoor mobile information management system named IndoorDB. Finally, we give some future research topics about indoor mobile information systems.

  4. Design research into mobile museum mediation

    DEFF Research Database (Denmark)

    Baggesen, Rikke Haller

    2013-01-01

    Using mobile media, museums may transcend institutional settings to highlight the significance and meanings of cultural heritage: framing art and design in the urban sphere, shedding light on nature in the wild, or bringing historic sites to life. The possibilities are manifold, but not straightf...... describes the project’s problem field, research methodology and process, in order to suggest how this approach could be used by museums confronting similar challenges....

  5. Design and implementation of the university mobile learning system for Android%基于Android的高校课程学习系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    亓祥元; 严冬梅

    2016-01-01

    设计和实现了基于Android平台的课程学习系统;采用软件工程的方法,在需求分析的基础上设计了系统总体架构及功能,并使用Eclipse+ADT开发客户端应用程序、MySQL进行数据库管理、Spring+Hibernate+Apache等提供后台服务和管理。该系统的设计与实现对移动学习的研究与应用具有参考价值。%A curriculum learning system for Android is designed and implemented. Using the method of software engineering, on the basis of the requirement analysis, the overall structure and functions of the system are designed. Eclipse+ADT are used to develop the client application, MySQL to manage the database, and Spring+Hibernate+Apache to provide background service and management. The design and implementation of the system has a reference value for the research and application of mobile learning.

  6. Software Reuse of Mobile Systems based on Modelling

    Directory of Open Access Journals (Sweden)

    Guo Ping

    2016-01-01

    Full Text Available This paper presents an architectural style based modelling approach for architectural design, analysis of mobile systems. The approach is developed based on UML-like meta models and graph transformation techniques to support sound methodological principals, formal analysis and refinement. The approach could support mobile system development.

  7. Mobile Tele-echography: User Interface Design

    OpenAIRE

    Canero, Cristina; Thomos, Nikolaos; George A. Triantafyllidis; Litos, George; Strintzis, Michael G.

    2005-01-01

    Ultrasound imaging allows the evaluation of the degree of emergency of a patient. However, in several occasions a well trained sonographer is unavailable to perform such echography. To cope with this issue, the OTELO project aims to develop a fully integrated end-to-end mobile tele-echography system using an ultra light, remote-controlled robot, for population groups that are not served locally by medical experts. This paper focuses on the user interface of the OTELO system, consisted of the...

  8. Design and initial 1D radiography tests of the FANTOM mobile fast-neutron radiography and tomography system

    Science.gov (United States)

    Andersson, P.; Valldor-Blücher, J.; Andersson Sundén, E.; Sjöstrand, H.; Jacobsson-Svärd, S.

    2014-08-01

    The FANTOM system is a tabletop sized fast-neutron radiography and tomography system newly developed at the Applied Nuclear Physics Division of Uppsala University. The main purpose of the system is to provide time-averaged steam-and-water distribution measurement capability inside the metallic structures of two-phase test loops for light water reactor thermal-hydraulic studies using a portable fusion neutron generator. The FANTOM system provides a set of 1D neutron transmission data, which may be inserted into tomographic reconstruction algorithms to achieve a 2D mapping of the steam-and-water distribution. In this paper, the selected design of FANTOM is described and motivated. The detector concept is based on plastic scintillator elements, separated for spatial resolution. Analysis of pulse heights on an event-to-event basis is used for energy discrimination. Although the concept allows for close stacking of a large number of detector elements, this demonstrator is equipped with only three elements in the detector and one additional element for monitoring the yield from the neutron generator. The first measured projections on test objects of known configurations are presented. These were collected using a Sodern Genie 16 neutron generator with an isotropic yield of about 1E8 neutrons per second, and allowed for characterization of the instrument's capabilities. At an energy threshold of 10 MeV, the detector offered a count rate of about 500 cps per detector element. The performance in terms of spatial resolution was validated by fitting a Gaussian Line Spread Function to the experimental data, a procedure that revealed a spatial unsharpness in good agreement with the predicted FWHM of 0.5 mm.

  9. Optimal design and experimental verification of a magnetically actuated optical image stabilization system for cameras in mobile phones

    Science.gov (United States)

    Chiu, Chi-Wei; Chao, Paul C.-P.; Kao, Nicholas Y.-Y.; Young, Fu-Kuan

    2008-04-01

    A novel miniaturized optical image stabilizer (OIS) is proposed, which is installed inside the limited inner space of a mobile phone. The relation between the VCM electromagnetic force inside the OIS and the applied voltage is first established via an equivalent circuit and further validated by a finite element model. Various dimensions of the VCMs are optimized by a genetic algorithm (GA) to maximize sensitivities and also achieving high uniformity of the magnetic flux intensity.

  10. Local-Rapid Evaluation of Atmospheric Conditions (L-REAC) System, Design and Development Volume 5 (Mobile L-REAC System Proof of Concept and Four Feasibility Studies)

    Science.gov (United States)

    2012-12-01

    Website—An Alternative DMZ The successful website design was a product of several iterative steps. In the following three sections, the evolution of...L-REAC® System output was secured from unauthorized entries. The L-REAC® System website design did not use two separate windows; instead, the two

  11. Pervasive mobile healthcare systems for chronic disease monitoring.

    Science.gov (United States)

    Huzooree, Geshwaree; Kumar Khedo, Kavi; Joonas, Noorjehan

    2017-05-01

    Pervasive mobile healthcare system has the potential to improve healthcare and the quality of life of chronic disease patients through continuous monitoring. Recently, many articles related to pervasive mobile healthcare system focusing on health monitoring using wireless technologies have been published. The main aim of this review is to evaluate the state-of-the-art pervasive mobile healthcare systems to identify major technical requirements and design challenges associated with the realization of a pervasive mobile healthcare system. A systematic literature review was conducted over IEEE Xplore Digital Library to evaluate 20 pervasive mobile healthcare systems out of 683 articles from 2011 to 2016. The classification of the pervasive mobile healthcare systems and other important factors are discussed. Potential opportunities and challenges are pointed out for the further deployment of effective pervasive mobile healthcare systems. This article helps researchers in health informatics to have a holistic view toward understanding pervasive mobile healthcare systems and points out new technological trends and design challenges that researchers have to consider when designing such systems for better adoption, usability, and seamless integration.

  12. Designing the Mobile Web: Guidelines for User Interactionand Experience

    OpenAIRE

    Ring, Lisa

    2013-01-01

    The area of mobile web is evolving rapidly but there are still no consensus regarding recommendations or best practices within the topic. Therefore this thesis is focused on interaction design within mobile web and compiles many dierent theories into guidelines for mobileweb design. The thesis may also be used as a foundation when deciding whether to developa native mobile application or a mobile adapted web application, or when choosing betweena separate mobile web application and a responsi...

  13. Design and Implementation of Mobile Phone Recharge Management system%基于手机充值管理系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    周玫

    2015-01-01

    随着网络时代兴起,网联网+越来越被广大群众接受,如今,手机成为了人们日常生活中不可缺少的通讯工具,而且话费充值就显得尤为重要,所以为方便充值,开发手机充值管理系统。手机充值管理系统使用的前端技术是jsp+Ajax传递参数开发模式。Ajax在javascript当中属于局部刷新技术,它的出现改变了以往的Web编程模式,促进大量的数据传输工作正在慢慢地移植到客户端开发,而JSP和Ajax技术的结合,是跨平台和负载平衡的结合。设计本系统的核心流程是用户只需通过提交手机号码和充值金额(话费),系统就会自动发送手机号码和金额到第三方充值接口上,给这个手机号码充值相应的金额。该系统自上线以来适应性强,用户可以在网上实现足不出户的充值,大大提高了用户生活质量,是个值得提倡的手机缴费方式。%With the rise of the network, the network is increasingly being accepted by the masses, and now, the mobile phone has become an indispensable communication tool in people's daily life, and the bill recharge is particularly important. The front-end technology used in the mobile phone recharge management system is the development mode of jsp+Ajax transfer parameters. Ajax in the JavaScript which belong to the local refresh technology, it has changed the previous Web programming mode, and promote a large number of data transfer is slowly ported to the client development, and the combination of JSP and Ajax technology, is the combination of cross platform and load balancing. The core of the system design process is the user simply by the number of mobile phone number and recharge (bill), the system will automatically send a mobile phone number and amount to third square recharge interface, the number of the mobile phone number corresponding to the amount. Recharge the system since the on-line adaptability is strong, the user can

  14. Integration of Design Patterns and Mobile Applications in a Management System for Monitoring Maintenance Cathode Plates of Mining Company Quebrada Blanca SA

    CERN Document Server

    Carlos, Oscar Sandoval

    2010-01-01

    This document presents the integration of design patterns and mobile applications, in the development of software management of plates (SIGEP) that allows to support in the solutions to problematics that they appear in the process of maintaining of plates copper cathodes of a Mining Company, in our case for Quebrada Blanca S.A. (CMQB S.A.). These problematics mainly are related to the little control over the tasks carried out in the maintaining to the cathodic plates, and the lack of information that leads to this practice, originates a deficient management and it does not allow to make opportune decisions referring to these elements, and therefore it does to project and to administer the life utility of the plates of cathodes, generating lifted costs associated to this process. As the process of maintaining a cathode plates constantly changing process, with respect to maintenance strategies in the system design SIGEP recognizing the flexibility and reuse in the design of system components, this achieved thro...

  15. Mobiles for mobility : Participatory design of a 'Happy walker' that stimulates mobility among older people

    NARCIS (Netherlands)

    Verhoeven, Fenne; Cremers, Anita; Schoone, Marian; van Dijk, Jelle

    2016-01-01

    Purpose Existing solutions facilitating mobility among older adults mainly focus on supporting physical disabilities. However, solutions are more likely to succeed when current activities and capabilities serve as a starting point. Participatory design is a suitable approach to detect these. We

  16. Mobiles for mobility: Participatory design of a 'Happy walker' that stimulates mobility among older people

    NARCIS (Netherlands)

    Verhoeven, F.; Cremers, A.; Schoone, M.; Dijk, J. van

    2016-01-01

    Purpose Existing solutions facilitating mobility among older adults mainly focus on supporting physical disabilities. However, solutions are more likely to succeed when current activities and capabilities serve as a starting point. Participatory design is a suitable approach to detect these. We

  17. Mobiles for mobility: Participatory design of a 'Happy walker' that stimulates mobility among older people

    NARCIS (Netherlands)

    Verhoeven, F.; Cremers, A.; Schoone, M.; Dijk, J. van

    2016-01-01

    Purpose Existing solutions facilitating mobility among older adults mainly focus on supporting physical disabilities. However, solutions are more likely to succeed when current activities and capabilities serve as a starting point. Participatory design is a suitable approach to detect these. We inve

  18. Design of Omni-directional Mobile Robot System%一种全方位移动机器人的系统设计

    Institute of Scientific and Technical Information of China (English)

    李明河; 王伟; 王健; 王伟; 王殿君; 薛龙

    2011-01-01

    针对机器人寻找场地黑色中心区域的任务要求,研制一种四轮驱动全方位移动机器人.依据机器人所需的驱动力,计算驱动电机的功率,并对电机进行选型,分析机器人的转向性能,设计基于ATmega128单片机的控制系统.机器人性能实验结果表明:设计的全方位移动机器人采用前、后轮逆相位转向时,运动稳定性较好,并能够准确地找到目标点.%The omni-directional mobile robot possessed high flexibility and maneuver-ability, since it can run on the planar surface freely under the precondition of keeping the stance of the robot. Developed a kind of four-wheel-driving omni-directional mobile robot under the condition of finding the black central region of the platform by robot. Calculated the motor power according to the driving force required, selected the type of motor,analyzed the steering performance of robot, designed control system on base of ATmegal128 MCU. Robot performance experiment showed that the omni-directional mobile robot had good stability of motion, and could achieve the position accurately by the reverse turning of front wheels and rear wheels.

  19. Mobile real time radiography system

    Energy Technology Data Exchange (ETDEWEB)

    Vigil, J.; Taggart, D.; Betts, S. [Los Alamos National Lab., NM (United States)] [and others

    1997-11-01

    A 450-keV Mobile Real Time Radiography (RTR) System was delivered to Los Alamos National Laboratory (LANL) in January 1996. It was purchased to inspect containers of radioactive waste produced at (LANL). Since its delivery it has been used to radiograph more than 600 drums of radioactive waste at various LANL sites. It has the capability of inspecting waste containers of various sizes from <1-gal. buckets up to standard waste boxes (SWB, dimensions 54.5 in. x 71 in. x 37 in.). It has three independent x-ray acquisition formats. The primary system used is a 12- in. image intensifier, the second is a 36-in. linear diode array (LDA) and the last is an open system. It is fully self contained with on board generator, HVAC, and a fire suppression system. It is on a 53-ft long x 8-ft. wide x 14-ft. high trailer that can be moved over any highway requiring only an easily obtainable overweight permit because it weights {approximately}38 tons. It was built to conform to industry standards for a cabinet system which does not require an exclusion zone. The fact that this unit is mobile has allowed us to operate where the waste is stored, rather than having to move the waste to a fixed facility.

  20. Secure SMS Mobile Transaction with Peer to Peer Authentication Design for Mobile Government

    Directory of Open Access Journals (Sweden)

    Mohammad Khalaf Rahim Al-juaifari

    2015-11-01

    Full Text Available Currently, many researches in Mobile government secure transmission of plaintext with universal availability in all GSM networks had been proposed. The most important characteristic of this research is a new system that contains all the capabilities and plugging security holes in the algorithms and methods used in previous systems design. The main reason of the intensification of efforts for the purpose of security in a mobile government is the real threat that accompanies the movement of transaction from the sender to the recipient. Moreover, mobile government used in improving convenience is one the clearest manifestations of the development of society and solving various problems using other method related to availability, speed, financial, in addition to the administrative issues related to the fight against corruption side a side with Egovernment. In this paper, illustrating how a mobile phone can provide citizens and Non-government organizations with mobile government services relevant to the design and implementation of security mechanisms coinciding with the birth of the third generation technology in Iraq so as to ensure the highest level of security transaction provided by UMTS security is also built upon GSM network.

  1. 移动机器人超声波测距避障系统设计%Design of obstacle avoidance system with ultrasonic ranging based on mobile robot

    Institute of Scientific and Technical Information of China (English)

    李恒; 徐小力; 左云波

    2014-01-01

    Obstacle avoidance with ranging is one of robot′s competencies in adapting to unknown complex environment. It is very important to measure the distance between the robot and the obstacles accurately. An obstacle avoidance system with ultrasonic ranging by mobile robot is designed with dsPIC33FJ256MC710 as the core. The distance between the robot and the obstacles is measured with pulse echo method. Ultrasonic velocity temperature compensation circuit is designed for ultrasonic velocity changes as the ambient temperature. Experimental results show that the system ranging accurately and is able to meet the requirement of obstacle avoidance for mobile robot in complex environments.%测距避障是移动机器人适应未知复杂环境的能力之一,准确测出移动机器人和障碍物之间的距离是关键。以dsPIC33FJ256MC710单片机为核心研究设计了一种移动机器人超声波测距避障系统。该系统利用脉冲回波法测距,针对超声波在空气中的传播速度受环境温度的影响,设计了超声波速度温度补偿电路。实验结果表明该超声波测距避障系统测量数据准确,能够满足移动机器人在复杂环境中避障的需求。

  2. Design and Test of a Hybrid Foot Force Sensing and GPS System for Richer User Mobility Activity Recognition

    Directory of Open Access Journals (Sweden)

    Stefan Poslad

    2013-11-01

    Full Text Available Wearable and accompanied sensors and devices are increasingly being used for user activity recognition. However, typical GPS-based and accelerometer-based (ACC methods face three main challenges: a low recognition accuracy; a coarse recognition capability, i.e., they cannot recognise both human posture (during travelling and transportation mode simultaneously, and a relatively high computational complexity. Here, a new GPS and Foot-Force (GPS + FF sensor method is proposed to overcome these challenges that leverages a set of wearable FF sensors in combination with GPS, e.g., in a mobile phone. User mobility activities that can be recognised include both daily user postures and common transportation modes: sitting, standing, walking, cycling, bus passenger, car passenger (including private cars and taxis and car driver. The novelty of this work is that our approach provides a more comprehensive recognition capability in terms of reliably recognising both human posture and transportation mode simultaneously during travel. In addition, by comparing the new GPS + FF method with both an ACC method (62% accuracy and a GPS + ACC based method (70% accuracy as baseline methods, it obtains a higher accuracy (95% with less computational complexity, when tested on a dataset obtained from ten individuals.

  3. Design and test of a hybrid foot force sensing and GPS system for richer user mobility activity recognition.

    Science.gov (United States)

    Zhang, Zelun; Poslad, Stefan

    2013-11-01

    Wearable and accompanied sensors and devices are increasingly being used for user activity recognition. However, typical GPS-based and accelerometer-based (ACC) methods face three main challenges: a low recognition accuracy; a coarse recognition capability, i.e., they cannot recognise both human posture (during travelling) and transportation mode simultaneously, and a relatively high computational complexity. Here, a new GPS and Foot-Force (GPS + FF) sensor method is proposed to overcome these challenges that leverages a set of wearable FF sensors in combination with GPS, e.g., in a mobile phone. User mobility activities that can be recognised include both daily user postures and common transportation modes: sitting, standing, walking, cycling, bus passenger, car passenger (including private cars and taxis) and car driver. The novelty of this work is that our approach provides a more comprehensive recognition capability in terms of reliably recognising both human posture and transportation mode simultaneously during travel. In addition, by comparing the new GPS + FF method with both an ACC method (62% accuracy) and a GPS + ACC based method (70% accuracy) as baseline methods, it obtains a higher accuracy (95%) with less computational complexity, when tested on a dataset obtained from ten individuals.

  4. High Efficiency and Light Mobile Electronic Business System Based on Mobile Agent Middleware

    Institute of Scientific and Technical Information of China (English)

    ZHANG Yunyong; LIU Jinde

    2004-01-01

    Mobile Network technology has been being the research focus during the 1990's.The middleware technology is imported for the sake of running distributed transaction smoothly.In this paper,a mobile agent based middleware high efficiency mobile electronic business oriented middleware (HEMEBOM) is designed and implemented based on the requirement and background of collaborative electronic business.Its architecture,elements and excellent properties are mainly focused.Then high efficiency mobile electronic business systemμMcommerce is built using HEMEBOM.

  5. A Survey on Mobile Payment Systems Security

    OpenAIRE

    Leila Esmaeili; Zeinab Borhani-Fard; Mohammad Ali Arasteh

    2012-01-01

    In recent years, increasing use of mobile devices and the emergence of new technologies have changed mobile commerce and mobile payment in all over the world. Although many attempts have been made to implement secure mobile payment systems and services, growing forgery, fraud and other related electronic crimes as well as security attacks and threats prove the necessity of paying special attention to security issues for development and extension of such systems. In this paper, we investigate ...

  6. Wireless Sensor/Actuator Network Design for Mobile Control Applications

    CERN Document Server

    Xia, Feng; Li, Yanjun; Sun, Youxian

    2008-01-01

    Wireless sensor/actuator networks (WSANs) are emerging as a new generation of sensor networks. Serving as the backbone of control applications, WSANs will enable an unprecedented degree of distributed and mobile control. However, the unreliability of wireless communications and the real-time requirements of control applications raise great challenges for WSAN design. With emphasis on the reliability issue, this paper presents an application-level design methodology for WSANs in mobile control applications. The solution is generic in that it is independent of the underlying platforms, environment, control system models, and controller design. To capture the link quality characteristics in terms of packet loss rate, experiments are conducted on a real WSAN system. From the experimental observations, a simple yet efficient method is proposed to deal with unpredictable packet loss on actuator nodes. Trace-based simulations give promising results, which demonstrate the effectiveness of the proposed approach.

  7. Wireless Sensor/Actuator Network Design for Mobile Control Applications

    Directory of Open Access Journals (Sweden)

    Youxian Sung

    2007-10-01

    Full Text Available Wireless sensor/actuator networks (WSANs are emerging as a new generationof sensor networks. Serving as the backbone of control applications, WSANs will enablean unprecedented degree of distributed and mobile control. However, the unreliability ofwireless communications and the real-time requirements of control applications raise greatchallenges for WSAN design. With emphasis on the reliability issue, this paper presents anapplication-level design methodology for WSANs in mobile control applications. Thesolution is generic in that it is independent of the underlying platforms, environment,control system models, and controller design. To capture the link quality characteristics interms of packet loss rate, experiments are conducted on a real WSAN system. From theexperimental observations, a simple yet efficient method is proposed to deal withunpredictable packet loss on actuator nodes. Trace-based simulations give promisingresults, which demonstrate the effectiveness of the proposed approach.

  8. Towards Analytical Modeling for Persuasive Design Choices in Mobile Apps

    Directory of Open Access Journals (Sweden)

    Hamid Mukhtar

    2016-11-01

    Full Text Available Persuasive technology has emerged as a new field of research in the past decade with its applications in various domains including web-designing, human-computer interaction, healthcare systems, and social networks. Although persuasive technology has its roots in psychology and cognitive sciences, researchers from the computing disciplines are also increasingly interested in it. Unfortunately, the existing theories, models, and frameworks for persuasive system design fall short due to absence of systematic design processes mostly used in the computing domains as well as lack of support for appropriate post-analysis. This work provides some insight into such limitations and identifies the importance of analytical modeling for persuasion in mobile applications design. The authors illustrate, using a case study, that appropriate mathematical models can be applied together with user modeling to develop a persuasive system that will allow the designer to consider several design choices simultaneously.

  9. A Survey on Mobile Payment Systems Security

    Directory of Open Access Journals (Sweden)

    Leila Esmaeili

    2012-09-01

    Full Text Available In recent years, increasing use of mobile devices and the emergence of new technologies have changed mobile commerce and mobile payment in all over the world. Although many attempts have been made to implement secure mobile payment systems and services, growing forgery, fraud and other related electronic crimes as well as security attacks and threats prove the necessity of paying special attention to security issues for development and extension of such systems. In this paper, we investigate classification of security threats and attacks in mobile payment and discuss security issues in three related areas of mobile payment; including network security, transmission security and mobile device security. Network security includes WLAN and WWAN security; transmission security includes WAP, SMS, wave channel and USSD security; and mobile device security includes hardware and software platforms and operating system security.

  10. Design and performance evaluation of direct routing mobile IP

    Science.gov (United States)

    Jang, Jongwook; Jang, SeongHo; Kim, Kilyeun; Lee, Jung-Tae

    2001-07-01

    Mobility support on the network layer is of special importance, as the network layer holds together the huge Internet with common protocol IP. Although based on possibility different wireless or wired technologies, all nodes of the network should be able to communicate. Therefore, mobile IP (an extension of the classical IP) has been designed which enables mobility in the Internet without changing existing wired systems. However, mobile IP leaves some points unsolved. Especially, if it comes to security, efficient of the packet flow that is called triangular routing. Especially triangular routing can cause unnecessary overhead for the network. Furthermore latency can increase dramatically. This is particularly unfortunate if two communicating hosts are separated by transatlantic links. In order to this problem, many methods like IPv6 and ROMIP are proposed. But these methods have limitation. In other words, they have not compatibility because of needing modification or original IP scheme. Especially ROMIP is very complex and the overhead of control message and processing are serious. The problem of inconsistency of Binding caches may occur tool. We therefore propose and analyze the DRMIP (Direct Routing Mobile IP) which do not modify IP source needed in the sender, is compatible with IP and Mobile IP.

  11. An Interactive Auto-recharging System for Mobile Robots

    Directory of Open Access Journals (Sweden)

    Kuo-Lan Su

    2014-02-01

    Full Text Available The article describes a new auto-charging system designed to enhance successful docking rates for mobile robots while at the same time monitoring the status of the charging current between the mobile robot and the docking station. The communication interface of the mobile robot and the docking station uses a wireless RF interface. The docking station is designed with one active degree of freedom and two passive degrees of freedom. Users tune the location of the charging pins on the docking station to make it possible for the mobile robot to execute an auto-recharging process. The auto-recharging process uses multiple sensors and a laser range finder located on the mobile robot. The laser range finder searches for a landmark to guide the mobile robot towards the docking station. In the experiment, the power of the mobile robot is under its threshold value. The mobile robot transmits a charging command to the docking station via a wireless RF interface. The docking station transmits a location command back to the mobile robot via this wireless RF interface. The mobile robot uses its laser range finder to search for the landmark of the assigned docking station and programs a motion trajectory to move forward to the docking station. The docking station supplies a charging current to the mobile robot by means of a charger. The power detection module simultaneously detects the charging current and the voltage values of the charging process in both the docking station and the mobile robot. The system can monitor the status of the charging process between the docking station and the mobile robot at any time. The power of the mobile robot is enough to be detected by the power detection module. When the charging process is complete, the docking station turns off the charging current and triggers the mobile robot to leave the docking station via the wireless RF interface.

  12. Design of Mobile Government System on Cross-platform%基于跨平台的移动政务系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    时应友

    2014-01-01

    随着信息技术的发展和智能终端的普及,移动通信能力日益强化,为移动政务的发展提供了有力的技术支持。当前,移动政务能有效实现事务处理的移动化,突破了传统业务系统的时空限制。该文针对目前智能手机的多样性,阐明了移动政务系统的关键技术、体系架构和实现原理,提出了基于跨平台的移动政务解决方案。经测试该系统实现了传统政务系统的移动化,达到了“随时、随地”办公的目的。%With the development of information technology and the growing popularisation of intelligent terminal ,mobile com⁃munication ability is further enhanced which provides powerful support to the development of mobile government.Nowadays, mobile government can take transaction processing fully mobile by breaking the time and space constraints of the traditional busi⁃ness systems.In view of the diversity of intelligent mobile phone at present, The paper introduces the key techniques, architecture and principle of mobile government system, presents a cross-platform based solution for mobile government system.Practical tests show that the system can take traditional business mobile, which gets the aim of doing office work whenever and whereve.

  13. The Research and Design of Mobile-learning System Based on WAP2.0 Technology%基于WAP2.0的移动学习系统的研究与设计

    Institute of Scientific and Technical Information of China (English)

    王艾; 唐国维

    2012-01-01

    This paper researches the theories and development technologies about mobile-learning, and explains the theoretical basis of mobile learning from teaching theory, learning theory and instructional design theories. It analyzes the advantages and disadvantages between development technologies about mobile-learning. We select WAP2.0 for research and design of mobile-learning system.%本文通过移动学习相关理论和开发技术的研究,从教学理论、学习理论和教学设计理论三种角度,阐明了移动学习的理论基础,分析了各相关开发技术的优势和缺陷,选取WAP2.0技术对移动学习系统进行研究与设计.

  14. 基于MQTT协议的移动IM系统设计与实现%Design and Implementation of Mobile Instant Messaging System Based on MQTT Protocol

    Institute of Scientific and Technical Information of China (English)

    崔东欢; 郭立君; 张荣; 周丰平

    2016-01-01

    为降低移动即时通讯应用的功耗和流量消耗,设计并实现了一个基于MQTT协议的移动即时通讯系统。在保持MQTT标准控制报文结构的基础上,扩展PUBLISH控制报文的有效载荷,设计了即时通讯协议MQTT-IM,通过设计主题订阅,对MQTT的开源实现Moquette进行扩展,增加Moquette-IM模块实现了通讯录、即时通信、状态呈现等系统核心功能。通过数据对比显示,该系统可有效降低功耗和流量消耗,具有很高的实用价值。%A system based on MQTT protocol was designed and implemented to reduce the power consumption and data trafifc for mobile instant messaging applications. The MQTT-IM protocol was designed through expending the payload of the PUBLISH control packet and maintaining the MQTT standard control packet at the same time. The critical functions of the system including the address book, instant messaging and the state presentation were implemented through topics subscription design and extension of Moquette, an open source implementation of MQTT, and adding Moquette-IM module. Comparison experiments showed that the proposed system can effectively reduce the power consumption and data trafifc and has a high practical value.

  15. Designing of routing algorithms in autonomous distributed data transmission system for mobile computing devices with ‘WiFi-Direct’ technology

    Science.gov (United States)

    Nikitin, I. A.; Sherstnev, V. S.; Sherstneva, A. I.; Botygin, I. A.

    2017-02-01

    The results of the research of existent routing protocols in wireless networks and their main features are discussed in the paper. Basing on the protocol data, the routing protocols in wireless networks, including search routing algorithms and phone directory exchange algorithms, are designed with the ‘WiFi-Direct’ technology. Algorithms without IP-protocol were designed, and that enabled one to increase the efficiency of the algorithms while working only with the MAC-addresses of the devices. The developed algorithms are expected to be used in the mobile software engineering with the Android platform taken as base. Easier algorithms and formats of the well-known route protocols, rejection of the IP-protocols enables to use the developed protocols on more primitive mobile devices. Implementation of the protocols to the engineering industry enables to create data transmission networks among working places and mobile robots without any access points.

  16. Design and Implementation of a Mobile Registration System%掌上挂号系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    孔帆帆; 贝乾

    2015-01-01

    On the basis of analysis of advantages and disadvantages of various registration systems in the hospital, a mobile registration system was developed. This paper expounded its structure and function design as well as operation environment and operation methods. The system made it more convenient for patients to perform self-help registration and alleviated the pressure of staff working in the inpatient window, which reduced the pressure of management in the hospital to some extent.%在分析了医院各种挂号平台优缺点的基础上,开发了一种掌上挂号系统。本文详细介绍了系统结构设计、功能设计和运行环境及操作方法。掌上挂号系统方便患者自主挂号,可减少门诊窗口工作人员的压力,一定程度上缓减了医院的管理压力。

  17. Ultra-mobile rugged computing platform design considerations

    Science.gov (United States)

    Garcia, Ray; Wright-Johnson, Mark; Daniels, Reginald

    2011-06-01

    State of the art mobile computing is designed to withstand variable rugged environments. Specific platforms including mobile phones, GPS devices, tablets, Netbooks and laptops that are used by the general public and increasingly by dismounted military users.

  18. VA Enterprise Design Patterns - 5.1 (Mobility) Mobile

    Data.gov (United States)

    Department of Veterans Affairs — First of a set of guidance documents that establish the architectural foundation for mobile computing in the VA. This document outlines the enterprise capabilities...

  19. The System Design and Function Realization of Shipborne Mobile Satellite Communication System%船载动中通系统设计与功能实现

    Institute of Scientific and Technical Information of China (English)

    席永帅; 章凌凡; 吴芳伟

    2016-01-01

    According to the shortage of the existing maritime communication, we expounds the advantage of shipborne mobile satellite communication systems in communication between ship and shore, also between ship and ship. By moving through the partical application of this system, we introduce the system composition and the working principle of the system. We also discuss the key technology in this field. In the end, the technical assistance of maritime communication service is provided.%依据现有海上常用通信方式的不足,阐述了以卫星为通信手段的船载动中通卫星通信系统在船舶与陆地、船舶与船舶之间通信的优势,通过动中通卫星通信系统的具体应用实例,介绍了系统组成、系统工作原理,探讨了动中通中的关键技术,为保障更优质的海上通信服务提供技术支持。

  20. MODEL-BASED PERFORMANCE EVALUATION APPROACH FOR MOBILE AGENT SYSTEMS

    Institute of Scientific and Technical Information of China (English)

    Li Xin; Mi Zhengkun; Meng Xudong

    2004-01-01

    Claimed as the next generation programming paradigm, mobile agent technology has attracted extensive interests in recent years. However, up to now, limited research efforts have been devoted to the performance study of mobile agent system and most of these researches focus on agent behavior analysis resulting in that models are hard to apply to mobile agent systems. To bridge the gap, a new performance evaluation model derived from operation mechanisms of mobile agent platforms is proposed. Details are discussed for the design of companion simulation software, which can provide the system performance such as response time of platform to mobile agent. Further investigation is followed on the determination of model parameters. Finally comparison is made between the model-based simulation results and measurement-based real performance of mobile agent systems. The results show that the proposed model and designed software are effective in evaluating performance characteristics of mobile agent systems. The proposed approach can also be considered as the basis of performance analysis for large systems composed of multiple mobile agent platforms.

  1. Mobile tele-echography: user interface design.

    Science.gov (United States)

    Cañero, Cristina; Thomos, Nikolaos; Triantafyllidis, George A; Litos, George C; Strintzis, Michael Gerassimos

    2005-03-01

    Ultrasound imaging allows the evaluation of the degree of emergency of a patient. However, in some instances, a well-trained sonographer is unavailable to perform such echography. To cope with this issue, the Mobile Tele-Echography Using an Ultralight Robot (OTELO) project aims to develop a fully integrated end-to-end mobile tele-echography system using an ultralight remote-controlled robot for population groups that are not served locally by medical experts. This paper focuses on the user interface of the OTELO system, consisting of the following parts: an ultrasound video transmission system providing real-time images of the scanned area, an audio/video conference to communicate with the paramedical assistant and with the patient, and a virtual-reality environment, providing visual and haptic feedback to the expert, while capturing the expert's hand movements. These movements are reproduced by the robot at the patient site while holding the ultrasound probe against the patient skin. In addition, the user interface includes an image processing facility for enhancing the received images and the possibility to include them into a database.

  2. 移动虚拟校园系统的设计与开发%The Design and Development of Mobile Virtual Campus System

    Institute of Scientific and Technical Information of China (English)

    骆社周; 王震

    2015-01-01

    Virtual reality technology is a high and new technology in recent years and is an intuitive and effective method for representing the real world.It has been widely used in entertainment,education,arts, building,medicine,geographic information system,city planning and interior design fields.This study conducted and discussed construction method of mobile virtual campus using J2ME cellphone development technology and developed the mobile virtual campus of Beijing City University in cellphone operating platform using the 3DMAX,Photoshop and Eclipse soft-wares.It provides convenient and efficient three-dimensional visual reference information for college admissions,propaganda,planning,construction and management.In addition,the study provides some useful technical references for the development of mobile game programmers.%虚拟现实技术是近年来出现的一门高新技术,是直观有效地表达客观世界的主要方法之一,在娱乐、艺术、教育、建筑、医学、地理信息系统、城市规划和室内设计等领域得了广泛的应用。本文通过 J2ME 手机开发技术对移动虚拟校园的建设进行了研究和探讨,以北京城市学院校园为主题,以手机为操作平台,通过3DMAX、Photoshop、Eclipse 等软件实现了移动虚拟校园的开发,为学校的招生、宣传、规划、建设、管理等提供方便快捷的三维可视化参考信息,为开发手机游戏的程序员提供一些有用的技术借鉴。

  3. 基于Android的移动学习平台的设计与开发%Design and Development of Mobile-learning Platform Based on Android System

    Institute of Scientific and Technical Information of China (English)

    赵敏涯; 颜晓凯; 夏正航; 夏际星

    2016-01-01

    针对现代大学生长时间使用手机的现状,文章因势利导,利用Java技术设计研发了一款基于Android系统的App移动学习软件,详细阐述了软件的设计和开发过程。软件在功能上具备学习资料、基础练习、作业管理和“我”四大模块,可以帮助教师和学生充分利用课堂外的碎片时间来开展指导和学习。经过运行与测试,系统整体情况实现良好,使用方便,有一定的实际应用价值。%Based on modern college students' prolonged use of mobile phones,this paper elaboration the design and development process of a learning application running on Android systems by using Java Language.The application is divided into four functional modules:learning material,basic practice,assignment management and "I",which facilitatebothteachers and students to guide and conduct online learning out of class.Through operation and test,it is proved that the system is well performing,easy to use and valuable in practice.

  4. Design and implementation of I2Vote-An interactive image-based voting system using windows mobile devices

    NARCIS (Netherlands)

    van Ooijen, P. M. A.; Broekema, A.; Oudkerk, M.

    2011-01-01

    Purpose: To develop, implement and test a novel audience response system (ARS) that allows image based interaction for radiology education. Methods: The ARS developed in this project is based on standard Personal Digital Assistants (PDAs) (HP iPAQ 114 classic handheld) running Microsoft (R) Windows

  5. Design and implementation of I2Vote-An interactive image-based voting system using windows mobile devices

    NARCIS (Netherlands)

    van Ooijen, P. M. A.; Broekema, A.; Oudkerk, M.

    2011-01-01

    Purpose: To develop, implement and test a novel audience response system (ARS) that allows image based interaction for radiology education. Methods: The ARS developed in this project is based on standard Personal Digital Assistants (PDAs) (HP iPAQ 114 classic handheld) running Microsoft (R) Windows

  6. Responsive Web Design Based Educational Systems Research and Construction of Mobile Platforms%基于响应式Web设计的教务系统移动平台研究与建设

    Institute of Scientific and Technical Information of China (English)

    张幸芝; 徐东东; 贾菲

    2013-01-01

    随着移动互联网的高速发展,iphone、Android、ipad等智能移动设备迅速普及大众生活,越来越多的人习惯使用移动设备访问各类网站,进行工作和休闲娱乐活动。学校的教务系统由于在设计之初未将移动设备考虑在内,因此当多数师生开始通过移动设备访问教务系统时,一些诸如兼容性和可访问性问题逐渐显现出来。为此,文章提出基于响应式web设计的教务系统移动平台建设,旨在为移动设备访问教务系统提供解决方案。%With the rapid development of mobile Internet, iphone, Android, ipad and other smart mobile devices rapidly growing popularity of public life, more and more people are accustomed to using mobile devices to access various sites, work and recreational activities. Since the school's academic system early in the design of the mobile device is not taken into account, so when most students begin to access through mobile devices Senate system, some, such as compatibility and accessibility issues gradually appearing. To this end, the article proposed responsive web design based on the academic system mobile platform designed for mobile devices to access the educational system to provide solutions.

  7. Design of an eMonitor system to transport electronic patient care report (ePCR) information in unstable MobileIP wireless environment.

    Science.gov (United States)

    Giovanni, Mazza G; Shenvi, Rohit; Battles, Marcie; Orthner, Helmuth F

    2008-11-06

    The eMonitor is a component of the ePatient system; a prototype system used by emergency medical services (EMS) personnel in the field to record and transmits electronic patient care report (ePCR) information interactively. The eMonitor component allows each Mobile Data Terminal (MDT) on an unreliable Cisco MobileIP wireless network to securely send and received XML messages used to update patient information to and from the MDT before, during and after the transport of a patient.

  8. Software for CCTV systems design

    Directory of Open Access Journals (Sweden)

    Adamek Milan

    2016-01-01

    Full Text Available The article is focused on the software, which is used in the design of the CCTV systems. It shows tools available online, tools for PC and mobile applications. It describes the basic components of the camera systems, their characteristics and current trends in CCTV systems. Moreover, it compares two selected software tools, their features and supported functions. In the practical part, these tools are used for the design of a CCTV system and the whole process is described in detail.

  9. Designing Mobile Health Technology for Bipolar Disorder

    DEFF Research Database (Denmark)

    Bardram, JE; Frost, Mads; Szántó, Károly

    2013-01-01

    usefulness of the system was high. Based on this study, the paper discusses three HCI questions related to the design of personal health technologies; how to design for disease awareness and self-treatment, how to ensure adherence to personal health technologies, and the roles of different types...... of technology platforms....

  10. Design and development of a solar powered mobile laboratory

    Science.gov (United States)

    Jiao, L.; Simon, A.; Barrera, H.; Acharya, V.; Repke, W.

    2016-08-01

    This paper describes the design and development of a solar powered mobile laboratory (SPML) system. The SPML provides a mobile platform that schools, universities, and communities can use to give students and staff access to laboratory environments where dedicated laboratories are not available. The lab includes equipment like 3D printers, computers, and soldering stations. The primary power source of the system is solar PV which allows the laboratory to be operated in places where the grid power is not readily available or not sufficient to power all the equipment. The main system components include PV panels, junction box, battery, charge controller, and inverter. Not only is it used to teach students and staff how to use the lab equipment, but it is also a great tool to educate the public about solar PV technologies.

  11. An Intelligent Software Workflow Process Design for Location Management on Mobile Devices

    CERN Document Server

    Rao, N Mallikharjuna

    2012-01-01

    Advances in the technologies of networking, wireless communication and trimness of computers lead to the rapid development in mobile communication infrastructure, and have drastically changed information processing on mobile devices. Users carrying portable devices can freely move around, while still connected to the network. This provides flexibility in accessing information anywhere at any time. For improving more flexibility on mobile device, the new challenges in designing software systems for mobile networks include location and mobility management, channel allocation, power saving and security. In this paper, we are proposing intelligent software tool for software design on mobile devices to fulfill the new challenges on mobile location and mobility management. In this study, the proposed Business Process Redesign (BPR) concept is aims at an extension of the capabilities of an existing, widely used process modeling tool in industry with 'Intelligent' capabilities to suggest favorable alternatives to an ...

  12. Computational Methods for Design, Estimation and Real-Time Control of PDE Systems with Applications to Mobile Sensor Networks

    Science.gov (United States)

    2013-08-14

    notation which are omitted due to lack of space. Theorem 1 The linear operator A0 generates a C0- semigroup T0(t) on X = L2(Ω)× Rn. Moreover, if Aθ and A0...are stable and σp(Aθ)∩σp(A0) = ∅, then the composite semigroup is exponentially stable and the controlled system (9) is stabilizable. Let z(t) = [ θ̃(t...the detail. Theorem 2 The linear operator Ac generates a C0- semigroup Tc(t) on Z = L2(Ω)× Rn × L2(−r, 0;Rn). Moreover, if Aθ and Ad are stable and σp(Aθ

  13. Research and design on the secure payment system of mobile terminal based on CA%基于CA的移动终端安全支付系统的研究与设计

    Institute of Scientific and Technical Information of China (English)

    胡千; 景凤宣; 谢晓尧

    2011-01-01

    针对手机支付中可能出现的安全问题,对基于CA的移动终端支付进行了研究,采用了一种新的密钥管理协议,设计了一种基于CA认证的安全手机支付系统,较好地的解决了目前移动支付中的安全问题。%Since mobile payment security problems that may occur, CA -based mobile payment terminals have been studied. A new key management protocol was used, the security of mobile payment system is designed based on CA certificate which can better resolve the current security issues in mobile payment.

  14. Design for ICP Torch Tube 3D Mobile Platform and its Control System%ICP炬管三维移动平台及控制系统设计

    Institute of Scientific and Technical Information of China (English)

    陈琪; 连磊磊; 刘丽娟; 李涛

    2013-01-01

    This paper introduces the significance of the ICP torch 3D mobile platform and designs the mechanical structure and control system for the mobile platform. This Mobile platform can realize the functions of accurate mobile positioning, position detection and control, safety early warning and protection.%介绍了ICP炬管三维移动平台的研究意义,对移动平台的机械结构和控制系统进行了设计.移动平台能够实现精确移动定位、位置检测与调控、安全预警与防护功能.

  15. On designing a pervasive mobile learning platform

    Directory of Open Access Journals (Sweden)

    Teemu H. Laine

    2010-12-01

    Full Text Available This article presents the features, design and architecture of the Myst pervasive game platform that has been applied in creating pervasive mobile learning games in various contexts such as science festivals and museums in Finland. Based on our experiences with the development, we draw a set of design principles for creating successfully a pervasive game platform that can be easily ported to various contexts. These principles advocate openness, flexibility, interaction models, connections to the outside world, and participatory design of the game content. In the evaluation part we present preliminary results of tests conducted in Finland at the SciFest 2008 festival in Joensuu and at the Museum of Technology in Helsinki. The results suggest that games built with the Myst platform are particularly suitable for children and young adults, and these games motivate players to interact with the environment and help to learn by discovering new things. The Myst platform has clearly potential for similar success in other environments due to easy portability and extensibility.

  16. Integration of mobile satellite and cellular systems

    Science.gov (United States)

    Drucker, Elliott H.; Estabrook, Polly; Pinck, Deborah; Ekroot, Laura

    1993-01-01

    By integrating the ground based infrastructure component of a mobile satellite system with the infrastructure systems of terrestrial 800 MHz cellular service providers, a seamless network of universal coverage can be established. Users equipped for both cellular and satellite service can take advantage of a number of features made possible by such integration, including seamless handoff and universal roaming. To provide maximum benefit at lowest posible cost, the means by which these systems are integrated must be carefully considered. Mobile satellite hub stations must be configured to efficiently interface with cellular Mobile Telephone Switching Offices (MTSO's), and cost effective mobile units that provide both cellular and satellite capability must be developed.

  17. Lack of Axial Rotation in Mobile-bearing Knee Designs

    OpenAIRE

    Wasielewski, Ray C.; Komistek, Richard D.; Zingde, Sumesh M.; Sheridan, Kate C.; Mahfouz, Mohamed R.

    2008-01-01

    It has often been assumed rotational kinematics are improved with mobile-bearing TKA designs as the terms mobile-bearing and rotating platform imply. We tested this assumption by assessing the in vivo axial rotation magnitudes and patterns of 527 knees implanted with 12 different mobile-bearing TKA designs. Implants were grouped and compared by type—posterior stabilized (PS), posterior cruciate retaining (PCR), and posterior cruciate sacrificing (PCS)—and by specific design. We hypothesized a...

  18. Reconceptualizing Design Research in the Age of Mobile Learning

    Science.gov (United States)

    Bannan, Brenda; Cook, John; Pachler, Norbert

    2016-01-01

    The purpose of this paper is to begin to examine how the intersection of mobile learning and design research prompts the reconceptualization of research and design individually as well as their integration appropriate for current, complex learning environments. To fully conceptualize and reconceptualize design research in mobile learning, the…

  19. Reconceptualizing Design Research in the Age of Mobile Learning

    Science.gov (United States)

    Bannan, Brenda; Cook, John; Pachler, Norbert

    2016-01-01

    The purpose of this paper is to begin to examine how the intersection of mobile learning and design research prompts the reconceptualization of research and design individually as well as their integration appropriate for current, complex learning environments. To fully conceptualize and reconceptualize design research in mobile learning, the…

  20. Design, Development, and Mobility Test of an Omnidirectional Mobile Robot for Rough Terrain

    Science.gov (United States)

    2012-01-01

    Isotropy for ASOC Design All omnidirectional mobile robots are able to instantaneously travel in any planar direction. However, while some...omnidirectional mobile robots exhibit preferred directions of travel, others exhibit equal mobility characteristics in all directions, i.e. “isotropic...Redundantly Actuated Omni-directional Mobile Robots . In: Proc. of the 2002 IEEE Int. Conf. on Robotics and Automation, Washington DC, pp. 732–737. 13

  1. 基于Android的僵尸网络设计与实现%Design and Implementation of Mobile Botnet Based on Android System

    Institute of Scientific and Technical Information of China (English)

    柳淑婷; 傅梓怡; 范亚芹

    2016-01-01

    针对移动智能终端因发起攻击而导致大量个人隐私数据泄露的问题,以互联网僵尸网络技术为基础,面向Android平台设计并实现了移动僵尸网络。该移动僵尸网络基于微博控制,对移动智能终端可完成信息窃取、信息破坏、垃圾短信等攻击。同时,对移动僵尸网络的特性进行深入分析,寻找攻击漏洞,给出具有针对性的网络安全防御策略。研究结果表明,该设计可提高移动智能终端的安全性,降低移动僵尸网络对个人用户造成的损失,有助于进一步对移动僵尸网络的传播、命令控制机制及控制协议的研究。%In order to solve the problem that the mobile botnet attacks against mobile intelligent terminal,which leads to a large number of personal privacy data disclosure,the author designs and implements a mobile botnet oriented Android platform based on Internet botnet technology. Based on micro-blogging control,the mobile botnet can complete information stealing,information destroying,SMS spam,etc. On this foundation,the author makes an in-depth analysis of the characteristics of the mobile botnet,finds the attack vulnerabilities and proposes targeted security defense strategy. The results of this study are significant to the research of mobile internet security technology and improve the security of mobile intelligent terminal. It is helpful for further research on the communication,command control mechanism and control protocol of mobile botnet,which reduce the loss caused by the mobile botnet to individual users.

  2. Adventure Code Camp: Library Mobile Design in the Backcountry

    Directory of Open Access Journals (Sweden)

    David Ward

    2014-09-01

    Full Text Available This article presents a case study exploring the use of a student Coding Camp as a bottom-up mobile design process to generate library mobile apps. A code camp sources student programmer talent and ideas for designing software services and features.  This case study reviews process, outcomes, and next steps in mobile web app coding camps. It concludes by offering implications for services design beyond the local camp presented in this study. By understanding how patrons expect to integrate library services and resources into their use of mobile devices, librarians can better design the user experience for this environment.

  3. Design of mobile phone library services system based on the Android mobile phone%基于Android平台的手机图书服务系统设计

    Institute of Scientific and Technical Information of China (English)

    钟萍; 安占峰; 温敬朋

    2014-01-01

    开发了一种基于Android平台的手机图书服务系统,系统包括Android平台手机软件和图书管理服务器。Android平台手机通过Internet网与图书馆的图书管理服务器连接,实现图书查询与管理服务,改变了传统的图书馆服务模式,提升了工作效率,方便了用户。%Developes a library services system based on the Android platform of mobile phone, in which the Android mobile phone software and books management server are included. The Android platform mobile phone connects with the library books management server through the Internet so that the books query and management services can be realized.

  4. Steering control system for a mobile robot

    Science.gov (United States)

    Kolli, Kaylan C.; Hall, Ernest L.

    1997-09-01

    Automated guided vehicles (AGVs) have many potential applications in manufacturing, medicine, space and defense. The purpose of this paper is to describe the design of a steering mechanism for an autonomous mobile robot. The steering mechanism replaces a manually turned rack and pinion arrangement with a crank mechanism driven by a linear actuator that in turn is powered by a brushless dc motor. The system was modeled, analyzed, and redesigned to meet the requirements. A 486 computer through a 3-axis motion controller supervises the steering control. The steering motor is a brushless dc motor powered by three phase signals. It is run in current loop mode. The steering control system is supervised by a personal computer through a multi-axis motion controller. Testing of these systems has been done in the lab as well as on an outside test track with positive results.

  5. Intelligent Detection System framework using Mobile agents

    CERN Document Server

    Jaisankar, N; Swamy, K Durai

    2010-01-01

    An intrusion detection system framework using mobile agents is a layered framework mechanism designed to support heterogeneous network environments to identify intruders at its best. Traditional computer misuse detection techniques can identify known attacks efficiently, but perform very poorly in other cases. Anomaly detection has the potential to detect unknown attacks; however, it is a very challenging task since its aim is to detect unknown attacks without any priori knowledge about specific intrusions. This technology is still at its early stage. The objective of this paper is that the system can detect anomalous user activity. Existing research in this area focuses either on user activity or on program operation but not on both simultaneously. In this paper, an attempt to look at both concurrently is presented. Based on an intrusion detection framework [1], a novel user anomaly detection system has been implemented and conducted several intrusion detection experiments in a simulated environment by analy...

  6. Barcode Payment System in Trusted Mobile Devices

    Directory of Open Access Journals (Sweden)

    Vibha Kaw Raina

    2012-11-01

    Full Text Available Mobile payment is an application of mobile commerce which facilitates mobile commerce transactions by providing the mobile customer with a convenient means to pay. Many mobile payment methods have been proposed and implemented like user friendly, customer centric, merchant centric where security concerns are highly addressed. This paper proposes a mobile payment model with barcodes for mobile users to improve mobile user experience in mobile payment. Unlike other existing mobile payment systems, the proposed payment solution provides distinct advantages to support buy-and-sale products and services based on 2D Barcodes. The aim of this work is to integrate a model of payment with the financial services, including payment and banking ones, based on two primary capabilities: the use of computational resources of a trusted mobile device and the establishment of a user controlled channel with the customer’s bank. The proposed architecture is characterized bank-centric, since the bank acts consultatively, informatively and protectively for the end user and it offers flexibility, adaptability and continuous extendibility to open technologies.

  7. Attendance Management System Using Mobil e Phone

    OpenAIRE

    増田, 進也; 小高, 知宏; 黒岩, 丈介; 白井, 治彦

    2017-01-01

    In this paper, we show the construction method for class support system using mobile phone. In this system, we use the Bluetooth function of the mobile phone owned by the students. The Bluetooth device has a unique address called Bluetooth Device address. Therefore, we can use that address as a student identifier. In the educational support system, we create a system focused on attendance management. This system identifies students using Bluetooth and displays the student's information on Web...

  8. A new digital land mobile satellite system

    Science.gov (United States)

    Schneider, Philip

    A description is given of the different digital services planned to be carried over existing and planned mobile satellite systems. These systems are then compared with analog services in terms of bandwidth and power efficiency. This comparison provides the rationale for the establishment of a digital land mobile satellite service (DLMSS) to use frequencies that are currently available but not yet assigned to a domestic mobile satellite system in the United States. The focus here is on the expected advantages of digital transmission techniques in accommodating additional mobile satellite systems in this portion of the spectrum, and how such techniques can fully satisfy voice, data and facsimile mobile communications requirements in a cost effective manner. A description is given of the system architecture of the DMLSS service proposed by the Geostar Messaging Corporation (GMC) and the market potential of DLMSS.

  9. DESIGNING AND STUDYING OPEN EDUCATION-ORIENTED MOBILE MICRO-CLASS SYSTEM%面向开放教育的移动微课堂系统的设计与研究

    Institute of Scientific and Technical Information of China (English)

    洪建峰

    2015-01-01

    随着移动互联网与通信技术的发展,移动学习应用已经成为教育信息化的一个重要方面. 针对移动应用特点,研究如何建立一个学习者、教学组织者、教学管理者共同参与的社交化移动学习平台,以及结合开放教育对移动学习的需要,提出一种面向开放教育的移动微课堂系统的设计,并研究了系统架构及高性能服务、跨平台支持、流媒体等关键技术. 通过实验对系统的性能进行了测试评价,结果表明所提出的系统设计能完全满足移动学习的需要.%With the development of mobile Internet and communication technology, the application of mobile learning has become an important part in education informatisation.Aiming at the features of mobile application, we studied the approach for building a socialising mobile teaching platform jointly participated by the learners, the teaching organisers and the managers.Moreover, we proposed a design of the open education-oriented mobile micro-class system in combination with the requirements of open education on mobile learning, and studied the system architecture and the related key technologies, such as high-performance service, cross-platform support and video streaming media, etc.We also evaluated the performance of the system through extensive experiments, and the results showed that the design proposed in this paper could fully meet the requirements of mobile learning.

  10. 基于TD-SCDMA的手机图书馆系统设计%Design of Mobile Phone Library System Based on TD-SCDMA

    Institute of Scientific and Technical Information of China (English)

    贺利娜; 李嫄源; 田增山

    2011-01-01

    By analyzing the application status of mobile phone library, using data communication advantage of TD - SCDMA and the existing embed ded platforms and results, a design proposal of mobile phone online library based on TD - SCDMA and CDMA 2000 is put forward and build. The structure of mobile phone library as well as the key techniques in the process of implementation are all described. This proposal allows mobile phone us ers to browse books online easily and also has a strong practical value.%通过分析手机图书馆的应用现状,利用TD-SCDMA的数据通信优势以及现有的嵌入式平台及其成果,提出并构建了一种基于TD-SCDMA和CDMA 2000的手机在线图书馆设计方案.描述了手机图书馆的整体架构以及实现的关键技术等.本方案使得手机用户能方便地在线浏览图书,具有很强的实用价值.

  11. 基于Android手机终端信息查询系统的设计%Design of mobile phone terminal information inquiry system based on Android

    Institute of Scientific and Technical Information of China (English)

    张新柱; 白立静; 郭福三

    2012-01-01

    针对外出人员计算机上网不便等实际问题,设计基于Android平台开发的手机终端跨地域酒店信息查询软件,利用Java、数据库和JavaWeb等技术完成整个系统的设计。实现了从客户端、网络到服务器端完整体系。经系统的功能测试,该软件可顺利实现各项功能。给用户出行带来再大的便利。%With the development of the intelligent mobile phone terminal and the increasing rate of online users with mobile phone, the mobile phone software is becoming more and more important. Aiming at the inconvenience of the travelers outside, this paper designed a mobile phone software based on android to inquiry hotels with the technology of Java, database and Java Web. Through testing, the software performs well.

  12. DESIGNING MLEARNING: Tapping Into The Mobile Revolution For Organizational Performance

    Directory of Open Access Journals (Sweden)

    Ozlem OZAN

    2012-01-01

    Full Text Available From past to the present, the learning need has increasingly grown. In this way, education and learning processes have also evolved; education has continuously changed shell along with social transformation and development. The communication and data transfer possibilities created by mobile technologies can significantly reduce dependence on fixed locations for work and study, and thus have the potential to revolutionize the way we work and learn (Peters, 2009. In this context, M-learning is considered as a new channel for the individuals who are mobile but aim to learn, and mobile learning design has became a new issue educators should be aware of. This is one of the basic books in the field of mobile learning design.The author of the book is Clark Quinn. He leads learning system design through Quinnovation, and is a founding principal of the Internet Time Alliance, helping organizations work smarter. He provides strategic solutions to Fortune 500, education, government, and not-for-profit organizations. Previously, he headed research and development efforts for Knowledge Universe Interactive Studio, and before that held management positions at Open Net and Access CMC, two Australian initiatives in internet-based multimedia and education. Clark earned a Ph.D. in applied cognitive science from the University of California. He has held positions at the University of New South Wales, the University of Pittsburgh's Learning Research and Development Center, and San Diego State University's Center for Research in Mathematics and Science Education (Quinn, 2011.Target audience of the book is instructional designers and instructors in K-12, higher education and corporate training departments; book is useful for also developers, media experts, managers, and anyone with responsibility for supporting performance in organizations, as well.

  13. Mobile Multi-System Overview

    Science.gov (United States)

    Witoff, Robert J.; Doody, David F.

    2012-01-01

    At the time of this reporting, there are 2,589 rich mobile devices used at JPL, including 1,550 iPhones and 968 Blackberrys. Considering a total JPL population of 5,961 employees, mobile applications have a total addressable market of 43 percent of the employees at JPL, and that number is rising. While it was found that no existing desktop tools can realistically be replaced by a mobile application, there is certainly a need to improve access to these desktop tools. When an alarm occurs and an engineer is away from his desk, a convenient means of accessing relevant data can save an engineer a great deal of time and improve his job efficiency. To identify which data is relevant, an engineer benefits from a succinct overview of the data housed in 13+ tools. This need can be well met by a single, rich, mobile application that provides access to desired data across tools in the ops infrastructure.

  14. Mobile measurement system for wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Kildemoes Moeller, T.

    1997-06-01

    The aim of this project `Udviklingsafproevning af smaa moellevinger` has been to develop a mobile measurement system for wind turbines. The following report describes the measurement system. The project has been financed by the Danish Ministry of Energy. (au)

  15. Integration of Mobil Satellite and Cellular Systems

    Science.gov (United States)

    Drucker, E. H.; Estabrook, P.; Pinck, D.; Ekroot, L.

    1993-01-01

    By integrating the ground based infrastructure component of a mobile satellite system with the infrastructure systems of terrestrial 800 MHz cellular service providers, a seamless network of universal coverage can be established.

  16. 移动会务通系统的设计与实现%Design and Implementation of Mobile Meeting System

    Institute of Scientific and Technical Information of China (English)

    肖雪

    2014-01-01

    随着通信技术和移动终端的发展,会务通系统通过短信、彩信、WAP等移动信息技术,完成对会议过程的服务与管理。介绍了移动会务通系统的组网结构、系统框架、功能模块,并给出了系统的技术实现方法。%With the development of communication technology and mobile devices, the meeting system provides the service and mangement in the process of meeting by using SMS, MMS, WAP and so on. This paper introduces the network structure, the system framewor, and the functional modules of the mobile meeting system. Finally,the implementation method has been given.

  17. Design and research on NFC technology of mobile attendance management system under the platform of Android mobile terminal%Android移动终端平台下NFC技术移动签到管理系统的设计研究

    Institute of Scientific and Technical Information of China (English)

    刘洋; 李慧芬

    2016-01-01

    In order to study the design problem of Android mobile NFC technology of mobile terminal platform under the attendance management system. In view of the current NFC technology in promoting the importance of development of mobile check-in. This design implementation based on the Android mobile terminal platform of NFC mobile attendance management system, to enable users of the system can easily operate a mobile phone, you can sign in the management process is complete. The results confirm that based on the Android mobile terminal platform NFC technology to design mobile attendance management system, effective to achieve multiple terminals at the same time attendance, credit card, improve the registration activities of management efficiency of 20%. Conclusion shows that in designing mobile attendance management system, the use of Android mobile terminal platform NFC technology, convenient attendance management work in an orderly manner, make the system more application value in practice.%为了研究Android移动终端平台下NFC技术移动签到管理系统的设计问题。鉴于当前NFC技术在推动移动签到发展中的重要性,本篇设计实现基于Android移动终端平台下NFC技术的移动签到管理系统,以便从而使系统用户可以通过简便地操作手机,就可以完成签到管理过程。结果证实,基于Android移动终端平台下NFC技术设计移动签到管理系统,有效实现实现多台终端同时签到、刷卡,提高签到活动管理工作效率20%。结论表明,在设计移动签到管理系统中,运用Android移动终端平台下NFC技术,方便签到管理者工作有序进行,使该系统在实际中更具应用价值。

  18. Underwater Mobile Platform Data Acquisition and Transmission System Design%水下移动平台数据采集和传输系统设计

    Institute of Scientific and Technical Information of China (English)

    杨海波; 徐元欣; 徐文; 刘陈展

    2014-01-01

    为实现水下环境的实时监测和数据采集,设计并实现了一套应用于水下传感网络的AUV ( Autonomous Underwater Vehicle)移动平台数据采集和传输系统。系统采用双MCU机制对采集数据进行分布式处理,利用合理的存储和通信帧格式及ARQ( Automatic Repeat Quest)协议保证数据的有效传输和可靠存储,可对水下环境和AUV内部传感器设备工作状态进行长时间的实时记录和监测。湖上组网试验证明:系统运行稳定,实时性好,满足水下传感网络数据采集和传输及环境监测的要求,对水下传感网络组网技术中的移动节点设计具有较高的参考价值。%In order to realize the goal of underwater environment monitoring and data acquisition,this paper designs and implements a set of data acquisition and transmission system based on Autonomous Underwater Vehicle ( AUV) ,which is used in the underwater sensor network. The system adopts two MCU with distributed processing mechanism. It also adopts the suitable frame for data storage and communication and ARQ protocol to make sure the reliable data transmission and storage,which make it possible for a long time environmental and sensor working state monitoring. Several experiment results in lake show that the system not only has good stability and real time but also satisfies the demands of data acquisition and transmission,which is of great value to the mobile node design of the underwater sensor network.

  19. An Analysis of Checkpointing Algorithms for Distributed Mobile Systems

    Directory of Open Access Journals (Sweden)

    Ajay Khunteta

    2010-07-01

    Full Text Available Distributed snapshots are an important building block for distributed systems, and are useful for constructing efficient checkpointing protocols, among other uses. Direct application of these algorithms to mobile systems is not easible, however, due to differences in the environment in which mobile systems operate, relative to general distributed systems. The mobile computing environment introduces newchallenges in the area of fault-tolerant computing. Compared to traditional distributed environments, wireless networks are typically slower, providing lower throughput and latency, comparing to wireline networks. In addition, the mobile hosts have limited computation esources, are often exposed to harsh operating environment that makes them more likely to fail, and can roam while operating. Over the past two decades, intensive research work has been carried out on providing efficient checkpointing protocols in traditional distributed computing. Recently, more attention has been paid to providing checkpointing protocols for mobile systems. Some of these protocols have been adapted from the traditional distributed environment; others have been created from scratch for mobile systems. Checkpoint is defined as a designated place in a program at which normal processing is interrupted specifically to preserve the status information necessary to allow resumption of processing at alater time. Checkpointing is the process of saving the status information. This paper surveys the algorithms which have been reported in the literature for checkpointing in Mobile Distributed systems.

  20. Design and Application of Mobile Nursing Information System for Hospital Based on Android Intelligent Mobile Phone%基于Android智能手机的医院移动护理信息系统开发及应用

    Institute of Scientific and Technical Information of China (English)

    唐雄; 张巨发; 段昌奉; 熊海浪

    2013-01-01

    Objective: To improve the ward-nursing quality and efficiency, and optimize the flow of nursing work by application of mobile information technology. Methods: With the help of bar code, special wristbands, wireless LAN, based on hospital information system and electronic medical records system, we developed the mobile nursing system for hospital based on Android intelligent mobile phone and applied the clinic. Results By extending the hospital information system to the patient bedside, we ensure medical orders executive, nursing data collection, nursing management, and reduce nursing errors, improve work quality and efficiency. Conclusion With the successful implementation of mobile nursing system, the medical orders and nursing tasks execution is more normative and reasonable, and improve the nursing management level and the image of hospital.%目的:应用移动信息技术,提高病区护理质量和效率,优化护理工作流程.方法:借助条码、专用腕带、无线局域网,依托医院信息系统和电子病历系统,开发出基于Android智能手机的移动护理系统并应用于临床.结果:将医院信息系统延伸到病人床边,保证了医嘱执行、护理数据采集、护理任务管理,减少了护理差错,提高了工作效率和质量.结论:移动护理系统的成功实施,使医嘱和护理任务的执行更为规范合理,提升了护理管理水平和医院形象.

  1. A mobile design lab for user-driven innovation

    DEFF Research Database (Denmark)

    Christiansen, Ellen; Kanstrup, Anne Marie

    2007-01-01

    The paper presents the history and conceptual foundation for the Mobile Design Lab, ment to support both designers and users in the acts of user-driven innovation. The Mobile Design Lab is based on Vygotsky's theory of tool- and language-mediation, and was created in 2004 to support research...... to get 'into the street'. To support these moves might seem simple, but it is in practice not at all easy. As for today the Mobile Design Lab comprises tools and techniques for categorization, articulation and concretizatoin in design projects involving lead users as well as ordinary users, and invisible...

  2. 基于云技术的移动办公系统平台设计%Design and Implementation of Mobile Office System based on Cloud Technology

    Institute of Scientific and Technical Information of China (English)

    杜华; 刘锂

    2014-01-01

    The rapid development of Cloud-Technology,and the official business of the 4G mobile communication technology,establishes two basic technology conditions to Mobile-Office-System(MOS).This paper discusses a general architecture for MOS based on Cloud-Technology,the intelligent mobile phone,PDA and other equipment as the mobile terminal,combined with the use of the remote server cluster large data storage,processing,analysis and security.The architecture is simple in form,construction convenient, reliable application,development of mobile office system applicable to the current common sense.%云技术的快速发展,以及4G移动通信技术的正式商用,为移动办公系统进一步发展,奠定了两大技术基础。本文探讨了一种基于云技术的移动办公系统的通用框架,采用智能手机、平板电脑等设备作为移动终端,结合运用远端服务器集群进行大数据存储、处理、分析和安全性保障。该框架形式简洁、构建方便,应用可靠,适用于当前普遍意义上的移动办公系统开发。

  3. Handbook of Mobile Systems Applications and Services

    CERN Document Server

    Kumar, Anup

    2012-01-01

    From fundamental concepts and theories to implementation protocols and cutting-edge applications, the Handbook of Mobile Systems Applications and Services supplies a complete examination of the evolution of mobile services technologies. It examines service-oriented architecture (SOA) and explains why SOA and Service Oriented Computing (SOC) will play key roles in the development of future mobile services. Investigating current service discovery frameworks, the book covers the basics of mobile services and applications developed in various contexts. The first section provides readers with the r

  4. Technical comparison of several global mobile satellite communications systems

    Science.gov (United States)

    Comparetto, Gary M.

    The era of satellite-based mobile satellite communications (MSC) systems started with the first MARISAT satellite which was launched into a geostationary orbit over the Pacific Ocean in 1976 to provide communications between ships and shore stations. The combination of high cost and unacceptably large equipment has kept the space-based MSC systems from appealing to the wider market of personal mobile communications. The progress made over the last ten years, however, in digital voice processing, satellite technology, and component miniaturization has resulted in the viability of satellite-based mobile satellite communications systems to meet the growing market in personal mobile communications using handsets similar to those currently in use with land-based cellular systems. Three of the more mature LEO/MEO satellite systems are addressed in this paper including GLOBALSTAR, Iridium, and Odyssey. The system architectures of each system are presented along with a description of the satellite and user handset designs and the multiaccess techniques employed. It will be shown that, although a number of similarities exist among the system addressed, each system is unique in a variety of significant design areas. It is concluded that the technical feasibility of satellite-based mobile satellite communications systems seems to be secure. It will be challenging, however, for the vendors to actually develop and deploy these systems in a cost effective, timely, and reliable way that meets a continually evolving set of requirements based upon a rapidly changing technology base.

  5. The design, experience and justice of mobility

    NARCIS (Netherlands)

    Ernste, H.; Martens, K.; Schapendonk, J.

    2012-01-01

    The central argument of the ‘mobilities turn’, that sedentarist frameworks have dominated social sciences for a long time, which has limited our understanding of mobilities (e.g. Cresswell 2006, 2010; Hannam et al. 2006; Sheller & Urry 2006; Urry 2007) – also applies to the spatial disciplines, andh

  6. Mobilizing Senior Citizens in Co-design Work

    DEFF Research Database (Denmark)

    Malmborg, Lone; Werner, Katharina; Gronvall, Erik;

    2015-01-01

    This paper addresses methodological considerations of participation in design for ageing. Based on the notions of design culture, communities of everyday practice and situated elderliness we present accounts from two settings and discuss methodological issues related to mobilizing senior citizens...

  7. Synchronized events in mobile systems physically nearby

    OpenAIRE

    Marques,Nelson; Meneses, Filipe,

    2011-01-01

    The advances and convergence of information technology and communication technologies in mobile devices, enables the creation of ubiquitous applications for these devices. In this paper, we propose a system capable of producing a certain coordinate effect between the mobile devices of the spectators present at an event.

  8. Mobile Patient Monitoring: The Mobihealth System

    NARCIS (Netherlands)

    Halteren, van Aart; Bults, Richard; Wac, Katarzyna; Konstantas, Dimitri; Widya, Ing; Dokovski, Nikolay; Koprinkov, George; Jones, Val; Herzog, Rainer

    2004-01-01

    The forthcoming wide availability of high bandwidth public wireless networks will give rise to new mobile healthcare services. To this end, the MobiHealth project has developed and trialed a highly customisable vital signs monitoring system based on a body area network (BAN) and a mobile-health (m-h

  9. Mobile Systems Development: An Empirical Study

    DEFF Research Database (Denmark)

    Hosbond, J. H.

    work patterns. This paper is about the development of mobile systems.Based on an on-going empirical study I present four case studies of companies each with different products or services to offer and diverging ways of establishing and sustaining a successful business in the mobile industry. From...

  10. 基于移动终端的智能监控系统设计%Design of intelligent monitoring system based on mobile terminal

    Institute of Scientific and Technical Information of China (English)

    何军红; 姜恩博

    2016-01-01

    With the rapid development of network information technology, people set higher require-ments upon remote control and the performance of the video monitoring system. For that, the research and design of wireless digital video monitoring system which based on embedded system has become pretty important. This kind of wireless digital monitoring system can achieve many functions that the traditional cable monitoring system unable to finish, therefore, the cable monitoring system are replaced by the wire-less remote video monitoring constantly, besides it also plays a more and more important role in transpor-tation, banking, hospitals, video conference and some other fields. So, as an essential part of security system, embedded video monitoring and its application in network is an important research direction in this field. The system in this paper is based on the OpenWrt and ARM platform, and to achieve the com-pression, decoding and transmission of image information by using MJPG -streamer software. What’ s more, this mobile terminal application is designed on the Android platform, which uses a two-dimen-sional platform equipped with cameras, and controls the stepper motor control platform by ARM develop-ment board to complete three-dimensional monitoring.%随着网络信息技术的迅猛发展,人们对远程控制和性能稳定的视频监控系统提出了更高的要求,基于嵌入式的无线数字视频监控系统的研发与设计就显得尤为重要。这种无线数字监控系统可以实现许多传统有线监控系统无法实现的功能,所以无线远程视频监控正在不断地取代有线监控,在交通、银行、医院、视频会议等诸多领域发挥着越来越重要的作用。作为安防系统重要的组成部分,视频监控的嵌入式与网络化应用将是该领域的重要研究方向。该文实现的系统基于OpenWrt和ARM平台,采用MJPG-streamer软件实现图像信息的压缩、解码和传送;移

  11. 室外移动机器人的组合导航定位系统设计%Design of Outdoor Mobile Robot Navigation Positioning System

    Institute of Scientific and Technical Information of China (English)

    吴平; 张海

    2014-01-01

    The paper designes an outdoor mobile robot autonomous positioning system based on MSP430F149 microcontroller.The sys-tem applies the method of simulation SPI timing by GPIO pin to extend interface circuit,and the system focuses on solving the problem of lack of interface resources in the microcontroller,which can effectively complete the robot navigation services by accessing the satellite navigation receiver and inertial measurement unit,as well as the barometer.At the mean time the raw measured informations can be output for further precision navigation.In addition,this system solves the running problem of barometer MS5803-02BA which caused by negligences in the “user guide”.The conversion from pressure to height is also achieved by piecewise linear the function of pressure and height.The engineering solutions of aligning GNSS data and IMU data are given at last.%设计了一款基于 MSP430 F149微控制器的室外移动机器人自主定位系统。该系统通过 GPIO引脚模拟 SPI时序扩展接口电路,重点解决该款微控制器的硬件接口资源不足的问题,能够有效地接入卫星导航接收机、惯性测量单元、高度气压计,完成导航服务,同时可输出原始测量信息用于进一步高精度组合导航解算。此外,该系统还解决了由于高度气压计 MS580302BA使用手册中的疏漏导致无法正常工作的问题,并分段线性化气压值与高度之间的函数关系,从而完成气压值到高度的转换。最后,给出了卫星数据与惯导数据时间对准的工程解决方法。

  12. Diabetes Monitoring System Using Mobile Computing Technologies

    Directory of Open Access Journals (Sweden)

    Mashael Saud Bin-Sabbar

    2013-03-01

    Full Text Available Diabetes is a chronic disease that needs to regularly be monitored to keep the blood sugar levels within normal ranges. This monitoring depends on the diabetic treatment plan that is periodically reviewed by the endocrinologist. The frequent visit to the main hospital seems to be tiring and time consuming for both endocrinologist and diabetes patients. The patient may have to travel to the main city, paying a ticket and reserving a place to stay. Those expenses can be reduced by remotely monitoring the diabetes patients with the help of mobile devices. In this paper, we introduce our implementation of an integrated monitoring tool for the diabetes patients. The designed system provides a daily monitoring and monthly services. The daily monitoring includes recording the result of daily analysis and activates to be transmitted from a patient’s mobile device to a central database. The monthly services require the patient to visit a nearby care center in the patient home town to do the medical examination and checkups. The result of this visit entered into the system and then synchronized with the central database. Finally, the endocrinologist can remotely monitor the patient record and adjust the treatment plan and the insulin doses if need.

  13. Mobile Healthcare System using NFC Technology

    OpenAIRE

    A Devendran; T Bhuvaneswari; Arun Kumar Krishnan

    2012-01-01

    Although primary care physicians are increasingly interested in adopting electronic medical record (EMR) systems, few use such systems in practice. Mobile devices offer new ways for users to access health care data and services in a secure and user-friendly environment. Mobile healthcare (m-healthcare) systems are regarded as a solution to healthcare costs without reducing the quality of patient care. We are developing a basic architecture for m-healthcare services using Near Field Communicat...

  14. Mobile Healthcare System using NFC Technology

    Directory of Open Access Journals (Sweden)

    A Devendran

    2012-05-01

    Full Text Available Although primary care physicians are increasingly interested in adopting electronic medical record (EMR systems, few use such systems in practice. Mobile devices offer new ways for users to access health care data and services in a secure and user-friendly environment. Mobile healthcare (m-healthcare systems are regarded as a solution to healthcare costs without reducing the quality of patient care. We are developing a basic architecture for m-healthcare services using Near Field Communication (NFC to facilitate the provisioning of healthcare to people anywhere, anytime using mobile devices that are connected through wireless communication technologies.

  15. M-Health: Emerging Mobile Health Systems

    Science.gov (United States)

    Istepanian, Robert; Laxminarayan, Swamy; Pattichis, Constantinos S.

    M-health can be defined as the "emerging mobile communications and network technologies for healthcare systems.' This book paves the path toward understanding the future of m-health technologies and services and also introducing the impact of mobility on existing e-health and commercial telemedical systems. M-Health: Emerging Mobile Health Systems presents a new and forward-looking source of information that explores the present and future trends in the applications of current and emerging wireless communication and network technologies for different healthcare scenaria.

  16. The Adaptation of Mobile Learning System Based on Business Rules

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    <正>In the mobile learning system,it is important to adapt to mobile devices.Most of mobile learning systems are not quickly suitable for mobile devices.In order to provide adaptive mobile services,the approach for adaptation is proposed in this paper.Firstly,context of mobile devices and its influence on mobile learning system are analized and business rules based on these analysis are presented.Then,using the approach,the mobile learning system is constructed.The example implies this approach can adapt the mobile service to the mobile devices flexibly.

  17. GPU-based Parallel Application Design for Emerging Mobile Devices

    Science.gov (United States)

    Gupta, Kshitij

    A revolution is underway in the computing world that is causing a fundamental paradigm shift in device capabilities and form-factor, with a move from well-established legacy desktop/laptop computers to mobile devices in varying sizes and shapes. Amongst all the tasks these devices must support, graphics has emerged as the 'killer app' for providing a fluid user interface and high-fidelity game rendering, effectively making the graphics processor (GPU) one of the key components in (present and future) mobile systems. By utilizing the GPU as a general-purpose parallel processor, this dissertation explores the GPU computing design space from an applications standpoint, in the mobile context, by focusing on key challenges presented by these devices---limited compute, memory bandwidth, and stringent power consumption requirements---while improving the overall application efficiency of the increasingly important speech recognition workload for mobile user interaction. We broadly partition trends in GPU computing into four major categories. We analyze hardware and programming model limitations in current-generation GPUs and detail an alternate programming style called Persistent Threads, identify four use case patterns, and propose minimal modifications that would be required for extending native support. We show how by manually extracting data locality and altering the speech recognition pipeline, we are able to achieve significant savings in memory bandwidth while simultaneously reducing the compute burden on GPU-like parallel processors. As we foresee GPU computing to evolve from its current 'co-processor' model into an independent 'applications processor' that is capable of executing complex work independently, we create an alternate application framework that enables the GPU to handle all control-flow dependencies autonomously at run-time while minimizing host involvement to just issuing commands, that facilitates an efficient application implementation. Finally, as

  18. Intelligent Vision System for Door Sensing Mobile Robot

    Directory of Open Access Journals (Sweden)

    Jharna Majumdar

    2012-08-01

    Full Text Available Wheeled Mobile Robots find numerous applications in the Indoor man made structured environments. In order to operate effectively, the robots must be capable of sensing its surroundings. Computer Vision is one of the prime research areas directed towards achieving these sensing capabilities. In this paper, we present a Door Sensing Mobile Robot capable of navigating in the indoor environment. A robust and inexpensive approach for recognition and classification of the door, based on monocular vision system helps the mobile robot in decision making. To prove the efficacy of the algorithm we have designed and developed a ‘Differentially’ Driven Mobile Robot. A wall following behavior using Ultra Sonic range sensors is employed by the mobile robot for navigation in the corridors.  Field Programmable Gate Arrays (FPGA have been used for the implementation of PD Controller for wall following and PID Controller to control the speed of the Geared DC Motor.

  19. 轮式移动机器人电机驱动系统的研究与开发%Design and research on motor driving system of wheeled mobile robot

    Institute of Scientific and Technical Information of China (English)

    韩军; 常瑞丽

    2011-01-01

    以嵌入式运动控制体系为基础,以移动机器人为研究对象,结合三轮结构轮式移动机器人,对二轮差速驱动转向自主移动机器人运动学和动力学空间模型进行了分析和计算,研究和设计了自主移动机器人电机驱动系统,开发了一套二轮差速驱动转向移动机器人电机驱动系统,完成了系统各部件的整体装配和调试.试验结果表明,该设计方案可行、系统运行稳定可靠、成本低廉、所用元件易于购置,具有较好的实用的价值和应用前景.%Taking embedded control system as the foundation and mobile robot as the research ob-ject,the kinematics and dynamics space models of the autonomous mobile robot which is swerved by differ-ential driving for 2 driving wheels are analyzed and calculated, combining the wheeled mobile robot with three wheels.Then the motor driving system of mobile robot is researched and designed and a motor driving system for autonomous mobile robot which is swerved by the differential driving for the 2 driving wlveels is developed.Afterwards the whole assembly of all components and system debugging are accomplished.The results of experiments show that the design scheme is viable, and the system is stable and reliable at work with its lower cost and easy for component purchase, which is valuable in practice and in application.

  20. Mobile Application Development: Component Retrieval System Project

    Data.gov (United States)

    National Aeronautics and Space Administration — The proposed technology development concept is a software application tool developed for use on a mobile device at SSC for use in the component retrieval system...

  1. Internal Location Based System for Mobile Devices Using Passive RFID

    CERN Document Server

    Vhatkar, Kapil N

    2010-01-01

    We have explored our own innovative work about the design & development of internal location-identification system for mobile devices based on integration of RFID and wireless technology. The function of our system is based on strategically located passive RFID tags placed on objects around building which are identified using an RFID reader attached to a mobile device. The mobile device reads the RFID tag and through the wireless network, sends the request to the server. The server resolves the request and sends the desired location-based information back to the mobile device. We had addressed that we can go through the RFID technology for internal location identification (indoor), which provides us better location accuracy because of no contact between the tag and the reader, and the system requires no line of sight. In this paper we had also focused on the issues of RFID technologies i.e. Non-line-of-sight & High inventory speeds.

  2. 移动网络客户服务支撑系统架构设计与实现%Architecture Designing and Implementation of Mobile Network Customer Service Support System

    Institute of Scientific and Technical Information of China (English)

    孟照方; 郭景赞; 李德屹

    2013-01-01

    Based on the issues on the customer service complaint handling, it presents the overal architecture, the technical architecture, the interface designing and the functional architecture in the construction of mobile network customer service support system as wel as the key technologies on software design, to provide reference for the construction of mobile network customer ser-vice support system.%  从客户服务投诉处理存在的实际问题出发,提出了移动网络客户服务支撑系统建设过程中的总体架构、技术架构、接口设计、功能架构以及软件设计过程中使用的关键技术,为移动网络客户服务支撑系统的建设提供了指导方法。

  3. The MARCOR GPS mobile data system

    Science.gov (United States)

    Rothblatt, Martin

    1991-09-01

    Market research revealed several key demands for an Automatic Vehicle Location (AVL) Global Positioning System (GPS) radio. The demands were for minimization of urban building blockage, easy programmability to minimize mobile data transmission costs, high accuracy for street map level coordination, interface capability with non-digital Specialized Mobile Radios (SMR), and a selling price close to that of alternatives such as Signposts and Loran-C. A team of experts was assembled to surmount these challenges and deliver a GPS radio for $500 to $1000, which operates at high accuracy in an urban environment and is plug-compatible with nearly all vehicle radios. Among the engineering and production breakthroughs described here are a unique Simultrac (Trademark) approach to satellite tracking, enabling up to eight GPS satellites to be used for position determination with a 2-channel receiver, and a receiver-in-a-microphone design. A powerful Application Specific Integrated Circuit (ASIC) allowed GPS to be brought within easy reach of millions of AVL users such as bus, taxi, and delivery vehicle fleets.

  4. Virtual Social Networks Online and Mobile Systems

    Directory of Open Access Journals (Sweden)

    Maytham Safar

    2009-01-01

    Full Text Available Location-based applications are one of the most anticipated new segments of the mobile industry. These new applications are enabled by GPS-equipped phones (e.g., emergency applications, buddy finders, games, location-based advertising, etc.. These services are designed to give consumers instant access to personalized, local content of their immediate location. Some applications couple LBS with notification services, automatically alerting users when they are close to a pre-selected destination. With the advances in the Internet and communications/mobile technology, it became vital to analyze the effect of such technologies on human communications. This work studies how humans can construct social networks as a method for group communications using the available technologies. We constructed and analyzed a friends network using different parameters. The parameters that were calculated to analyze the network are the distribution sequence, characteristic path length, clustering coefficient and centrality measures. In addition, we built a PDA application that implements the concept of LBS using two system modules. In the first module, we have developed an application for entertainment purpose; an application program which enables end users to send their birth year and get their horoscope in return. The second part of the project was, to build an application, which helps people to stay in touch with their friends and family members (Find Friend. It helps users to find which of their buddies are within the same area they are in.

  5. A Conceptual Design of Mobile Learning Applications for Preschool Children

    OpenAIRE

    Kraleva, Radoslava; Kralev, Velin; Kostadinova, Dafina

    2016-01-01

    This article focuses on the possibilities of using mobile learning in the Bulgarian preschool education of young children. The state preschool educational regulations are presented and discussed. The problem concerning the children's safety when using mobile devices in terms of access to information on the Internet is revealed and analyzed. Two conceptual models of applications for mobile learning aimed at preschool children are designed. Their advantages and disadvantages are outlined and di...

  6. A Conceptual Design of Mobile Learning Applications for Preschool Children

    OpenAIRE

    Kraleva, Radoslava; Kralev, Velin; Kostadinova, Dafina

    2016-01-01

    This article focuses on the possibilities of using mobile learning in the Bulgarian preschool education of young children. The state preschool educational regulations are presented and discussed. The problem concerning the children's safety when using mobile devices in terms of access to information on the Internet is revealed and analyzed. Two conceptual models of applications for mobile learning aimed at preschool children are designed. Their advantages and disadvantages are outlined and di...

  7. 移动学习模式下测绘专业知识测试系统设计与实现%Design and Implementation of Surveying and Mapping Expertise Test System Under the Form of Mobile Learning

    Institute of Scientific and Technical Information of China (English)

    杨金玲; 曹先革; 梁欣; 刘江

    2015-01-01

    随着WIFI和智能移动终端的普及,移动学习正在快速地发展。本文主要介绍了智能移动终端上的测绘专业知识测试系统的总体设计和部分实体E-R图,从系统登录与注册模块、个人中心模块、教师编辑试题模块、编辑测试模块、学生自测模块、学生考试模块等方面阐述了测绘专业知识系统的设计与实现,弥补了测绘专业在移动学习应用上的短缺状况。%With the popularity of WIFI and intelligent mobile terminals, mobile learning is rapid developing.This paper describes the overall design and some entity’ s E-R diagram of Surveying and Mapping expertise test system based on intelligent mobile devices, and from the log in and registration module, individual center module, teacher edit questions module, edit the test module, students self-test module, test module and other aspects, describes the design and implementation of Surveying and Mapping expertise test system, and this makes up for shortages of surveying and mapping professional on mobile learning applications.

  8. Design and Implementation of Regional Mobile Phone Detection System%区域手机检测系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    姜成旭; 李月婷; 刘宇红

    2016-01-01

    Nowadays with the rapid development of the Internet industry, the function of mobile phone becomes more powerful, and in pace with this, the attendant risk with it even more serious, and thus the detection on the mobile phone under the specific situations is very important, such as confidential meetings, regional security and other occasions. Based on these specific scenarios, a security system for real-time monitoring of mobile phone in the specific areas is proposed and implemented, and via the optimization of mobile phone signaling detection method and small base-station configuration parameters, the efficiency of mobile phone detection is improved, and meanwhile the phone IMEI and IMSI are parsed and stored in the corresponding database, and displayed in the form of radar scanning . Finally, the accuracy, reliability, real-time capability, and intuitiveness for monitoring mobile phone users are effectively improved.%随着互联网行业的迅猛发展,手机的功能越来越强大,随之而来的危险也越来越大。因此,特定场合对手机的探测就显得十分重要,如保密会议、安全区域等场合。在特定场景下,实现了一个对区域内手机进行实时监测的安全系统,通过优化手机信令检测的方法和小基站配置的参数,以提高探测手机的效率,同时在探测手机时解析手机IMSI、IMEI,将其存入对应的数据库,并以雷达扫描的形式显示,最终提高监测手机用户的准确性、可靠性、实时性和直观性。

  9. Android Based Mobile Drive System

    Directory of Open Access Journals (Sweden)

    Dr. Sheifali Gupta

    2014-01-01

    Full Text Available This project reports an undergraduate engineering team’s effort to develop a system to empower the people facing the problem of paralysis of various degrees like in Hemiplegia. To make their lives easier, a wheelchair working with an android application has been designed with the help of which paralysed person can move from one place to other and can control all the home appliances. He is also empowered with the facilities of calling and sending a message to the helper. This paper will outline and discuss the specifications and functions of the innovation done by us. It also tells how new technologies are used to provide improved support to the people bounded in their homes and make them independent of others..

  10. High Pressure Scanning Tunneling Microscopy Studies of AdsorbateStructure and Mobility during Catalytic Reactions: Novel Design of anUltra High Pressure, High Temperature Scanning Tunneling MicroscopeSystem for Probing Catalytic Conversions

    Energy Technology Data Exchange (ETDEWEB)

    Tang, David Chi-Wai [Univ. of California, Berkeley, CA (United States)

    2005-05-16

    The aim of the work presented therein is to take advantage of scanning tunneling microscope’s (STM) capability for operation under a variety of environments under real time and at atomic resolution to monitor adsorbate structures and mobility under high pressures, as well as to design a new generation of STM systems that allow imaging in situ at both higher pressures (35 atm) and temperatures (350 °C).

  11. Pension Design when Fertility Fluctuates: The Role of Capital Mobility and Education Financing

    OpenAIRE

    Zamac, Jovan

    2005-01-01

    This study compares alternative designs of an unfunded pension system. Convex combinations between a fixed contribution rate and a fixed benefit rate are considered. The objective is to maximize the expected ex-ante welfare under stochastic fertility. The model is a three-period CGE framework where the design of the education system and effects on factor prices are accounted for. The effects on factor prices depend on the degree of capital mobility. For low degrees of capital mobility it is o...

  12. Mobile based optical form evaluation system

    Directory of Open Access Journals (Sweden)

    Asım Sinan YÜKSEL

    2016-05-01

    Full Text Available Optical forms that contain multiple-choice answers are widely used both for electing students and evaluating student achievements in education systems in our country and worldwide. Optical forms are evaluated by employing optical mark recognition techniques through optical readers. High cost of these machines, limited access to them, long waiting time for evaluation results make the process hard for educationists working in cities or countries. In this study, a mobile application was developed for the educationists who own mobile phones or tablets for the purpose of evaluating students' answer sheets quickly and independent of location and optical readers. Optical form recognition, reading and evaluation processes are done on the image of student's answer sheet that is taken with the mobile phone or tablet of educationist. The Android based mobile application that we developed has a user-friendly interface, high success rate and is the first of our knowledge application that operates on mobile platforms in this field.

  13. MACROSCOPIC DIVERSITY FOR CDMA MOBILE SYSTEM

    Institute of Scientific and Technical Information of China (English)

    Pei Xiaoyan; Hu Jiandong

    2002-01-01

    A novel system of macroscopic diversity with voting rule in CDMA cellular system is suggested in order to raise the coverage and quality of service of CDMA mobile communication system. The estimation of the impact of macroscopic diversity on performance of CDMA cellular system is analyzed and investigated.

  14. MACROSCOPIC DIVERSITY FOR CDMA MOBILE SYSTEM

    Institute of Scientific and Technical Information of China (English)

    PeiXiaoyan; HuJiandong

    2002-01-01

    A novel system of macroscopic diversity with voting rule in CDMA cellular system is suggested in order to raise the coverage and quality of service of CDMA mobile communication system.The estimation of the impact of macroscopic diversity on performance of CDMA cellular system is analyzed and investigated.

  15. An architecture for design and planning of mobile television networks

    Directory of Open Access Journals (Sweden)

    R. Tamayo-Fernández

    2011-12-01

    Full Text Available Mobile television (TV, made possible by the convergence of media, telecommunications and consumer electronicsindustries, is one of the most hyped new mobile services in several countries [1]. The advertised key features ofmobile TV are personalization, interactivity, and most importantly, the ability to watch TV programming while on thego. The deployment of a mobile TV network consists of several stages that require careful planning. There are available simulation packages for designing wireless technologies, however, for mobile TV there are still planning and simulations concerns that have to be addressed in order to identify its design challenges. This article reviews the main parameters that should be taken into account to support the design and planning of a mobile TV network andproposes an architecture for its implementation.

  16. Secure, Mobile, Wireless Network Technology Designed, Developed, and Demonstrated

    Science.gov (United States)

    Ivancic, William D.; Paulsen, Phillip E.

    2004-01-01

    The inability to seamlessly disseminate data securely over a high-integrity, wireless broadband network has been identified as a primary technical barrier to providing an order-of-magnitude increase in aviation capacity and safety. Secure, autonomous communications to and from aircraft will enable advanced, automated, data-intensive air traffic management concepts, increase National Air Space (NAS) capacity, and potentially reduce the overall cost of air travel operations. For the first time ever, secure, mobile, network technology was designed, developed, and demonstrated with state-ofthe- art protocols and applications by a diverse, cooperative Government-industry team led by the NASA Glenn Research Center. This revolutionary technology solution will make fundamentally new airplane system capabilities possible by enabling secure, seamless network connections from platforms in motion (e.g., cars, ships, aircraft, and satellites) to existing terrestrial systems without the need for manual reconfiguration. Called Mobile Router, the new technology autonomously connects and configures networks as they traverse from one operating theater to another. The Mobile Router demonstration aboard the Neah Bay, a U.S. Coast Guard vessel stationed in Cleveland, Ohio, accomplished secure, seamless interoperability of mobile network systems across multiple domains without manual system reconfiguration. The Neah Bay was chosen because of its low cost and communications mission similarity to low-Earth-orbiting satellite platforms. This technology was successfully advanced from technology readiness level (TRL) 2 (concept and/or application formation) to TRL 6 (system model or prototype demonstration in a relevant environment). The secure, seamless interoperability offered by the Mobile Router and encryption device will enable several new, vehicle-specific and systemwide technologies to perform such things as remote, autonomous aircraft performance monitoring and early detection and

  17. A Highly Secure Mobile Agent System Architecture

    Science.gov (United States)

    Okataku, Yasukuni; Okutomi, Hidetoshi; Yoshioka, Nobukazu; Ohgishi, Nobuyuki; Honiden, Shinichi

    We propose a system architecture for mobile agents to improve their security in the environments of insecure networks and non-sophisticated terminals such as PDAs. As mobile agents freely migrate onto their favorite terminals through insecure networks or terminals, it is not appropriate for them to store some secret information for authentication and encryption/decryption. We introduce one and more secure nodes(OASIS NODE) for securely generating and verifying authentication codes. The each agent’s data are encrypted by a pseudo-chaos cipher mechanism which doesn’t need any floating processing co-processor. We’ve constructed a prototype system on a Java mobile agent framework, “Bee-gent" which implements the proposed authentication and cipher mechanisms, and evaluated their performances and their applicability to business fields such as an auction system by mobile agents.

  18. Global System for Mobile Communication Based Smart Home Security System

    Directory of Open Access Journals (Sweden)

    Amrit Zoad

    2014-07-01

    Full Text Available Home security system is needed for occupants' convenience and safety. In this paper, we present the design and implementation of an affordable, low power consumption, and GSM (Global System for Mobile Communication based wireless home security system. In existing system, the home network is engaged with non-wireless technology, where the installation and maintenance is difficult. So the system cost is very high. In our proposed system, these difficulties are overcome by introducing a wireless home network which contains a GPRS Gateway and three kinds of security nodes namely door security node, anti intrusion node and SMS node to inform the user. The nodes are easy installing. All the three nodes are connected to the microcontroller.

  19. 基于Android平台的移动护理信息系统设计%Design of Mobile Nursing Information System Based on Android

    Institute of Scientific and Technical Information of China (English)

    周云; 周霞; 高家天

    2013-01-01

    Objective To explore the mobile nursing information system to improve the quality and management level of hospital care. Methods To integrate each link of routine nursing management into the modules of system program based on Android. Results The establishment and application of mobile nursing information system has standardized working processes of doctor's advice and hospital care. Conclusion The application of the system based on Android has improved nursing quality management level and service level of the hospital.%目的:开发移动护理信息系统,提高医院护理工作的质量和管理力度。方法基于Android平台,将日常护理管理的各个环节整合到系统程序的模块中。结果移动护理信息系统的建立与应用,规范了医嘱和护理的工作流程。结论移动护理信息系统的应用,提高了医院、护理质量管理水平。

  20. Design and Implementation of the Advertisement Scheduling in Mobile Advertising System%移动广告系统中广告排期的设计与实现

    Institute of Scientific and Technical Information of China (English)

    刘晨; 沈奇威

    2011-01-01

    As a new advertising form, mobile advertising is based on the mobile communication network.It takes advantage of mobile terminals, makes use of personalized, oriented and interactive information to carry out advertising.Advertisement scheduling is the core function of a mobile advertising system, which includes organization, allocation and adjustment of the advertising space, and finally generating a complete view.This paper firstly introduces the development and characteristics of the mobile advertising, and then to give emphasis on the design and implementation of advertisement scheduling.%移动广告作为一种新兴的广告形式,它以移动通信网作为承载,利用移动终端为主要传播平台,通过个性化和定向的互动信息达到广告营销的目的.广告排期是移动广告系统的核心功能,它包括广告资源的组织、分配、调整,以及最终一个完整的广告排期生成.首先介绍了移动广告的发展状况和特点,然后着重论述了广告排期的设计与实现思路.

  1. Supporting Teachers to Design and Use Mobile Collaborative Learning Games

    Science.gov (United States)

    Marfisi-Schottman, Iza; George, Sébastien

    2014-01-01

    Mobile Collaborative Learning Games combine all the ingredients necessary to attract students' attention and engage them in learning activities. However, designing a coherent scenario that combines mobility, game mechanics and collaborative learning is quite a challenge. In this article, we take the first step by proposing several game patterns…

  2. 基于移动技术的人力资源系统的分析与设计%The Analysis and Design of Human Resources System Based on Mobile technology

    Institute of Scientific and Technical Information of China (English)

    严霄鹏

    2012-01-01

    This paper introduces a human resources system based on mobile technology,designing by B/S and C/S hybrid architecture. By using the CMPP2.0 protocol,the mobile gateway combines the human resources system, then using the cell phone to update the system anytime .%本文提出了基于移动技术人力资源系统,其中人力资源系统通过B/S和C/S的混合结构,通过CMPP2.0协议实现移动网关与人力资源系统的对接,通过手机接收和实时更新人力资源信息。

  3. Design of Mobile Positioning System Based on J2ME and GPS%基于J2ME和GPS模块的手机定位系统设计

    Institute of Scientific and Technical Information of China (English)

    范道尔吉; 武慧娟; 那顺乌力吉; 金山丹

    2011-01-01

    利用蓝牙GPS模块,在智能手机上采用J2ME技术实现了手机定位系统.该系统由GPS模块、智能手机和地图服务器三大部分组成.GPS和手机之间采用蓝牙作为通信手段,手机和地图服务器采用Internet作为通信手段.智能手机上用J2ME技术开发定位软件,完成定位、通信和用户交互等功能.本文详细叙述了系统框图、工作原理和软件设计方法.%A mobile phone positioning system based on J2ME technology and bluetooth GPS module is introduced. The system consists of three major components which is GPS modules, mobile phones and map server. GPS module and mobile phone use bluetooth as the communication method, mobile phone and map server use internet as the communication method. A positioning software based on J2ME is developed,and completes positioning, communication and user interaction functions. This system block diagram, working principle and software design methods are described.

  4. DOC-a file system cache to support mobile computers

    Science.gov (United States)

    Huizinga, D. M.; Heflinger, K.

    1995-09-01

    This paper identifies design requirements of system-level support for mobile computing in small form-factor battery-powered portable computers and describes their implementation in DOC (Disconnected Operation Cache). DOC is a three-level client caching system designed and implemented to allow mobile clients to transition between connected, partially disconnected and fully disconnected modes of operation with minimal user involvement. Implemented for notebook computers, DOC addresses not only typical issues of mobile elements such as resource scarcity and fluctuations in service quality but also deals with the pitfalls of MS-DOS, the operating system which prevails in the commercial notebook market. Our experiments performed in the software engineering environment of AST Research indicate not only considerable performance gains for connected and partially disconnected modes of DOC, but also the successful operation of the disconnected mode.

  5. Augmented reality as a design tool for mobile interfaces

    DEFF Research Database (Denmark)

    Bertelsen, Olav Wedege; Nielsen, Christina

    2000-01-01

    This paper challenges user interface paradigms for mobile devices, by using the technical classification of augmented reality interfaces as a thinking tool to develop ideas for interaction with mobile devices. The paper presents future work scenarios from a wastewater treatment plant embodying PDA...... applications derived from the classification of augmented reality interfaces. The focus on physical interaction with objects of work and with the mobile device provides us with a range of interaction styles, based on e.g. gestures and manipulation of objects. Furthermore, issues of transparency and directness...... are addressed. The future scenarios indicate that the concepts of augmented reality support solving context problems in mobile design....

  6. Design and Implementation of Mobile Carpooling System Based on Web Service%基于Web服务移动拼车系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    张庆贺; 韩勇; 张小垒; 陈戈

    2013-01-01

    This paper provided carpooling services which broke the previous single form. The real-time character of mobile applications and the extensiveness and convenience of web applications were used to develop system programs. This article introduced that how they provided services jointly in the carpooling system. The carpooling system was based on Web services. It has achieved the real-time sharing of carpooling data between Web clients and mobile clients which makes carpooling more convenient and also promotes the life philosophy of low-carbon, energy-saving and environmental-protecting.%介绍了一种利用手机应用程序的实时性和Web应用程序的广泛性、便利性开发系统程序,共同提供服务的拼车系统.该系统以Web服务为基础,实现了拼车数据在Web端和手机端的实时共享,使拼车更加便捷,提倡了低碳、环保、节能的生活理念.

  7. 基于音频密写的载密移动通信系统的设计与实现%Design and implementation of the stego audio steganography based on mobile communication system

    Institute of Scientific and Technical Information of China (English)

    王莉; 康凯; 杨百龙; 赵文强; 时磊

    2016-01-01

    For in the public mobile communication system to embed secret information is hidden transmitting design implementation issues,this paper based on audio steganography of stego mobile communication system hardware and software design of the scheme for detailed analysis of the proposed based on DSP energy ratio adjusted the secret number according to the embedding/extraction algorithm. Experimental tests were carried out on the auditory similarity and robustness of the whole system. The results show that the system is able to realize the hidden and reliable transmission of the secret information in the mobile communication network.%针对在公共移动通信系统中嵌入秘密信息进行隐匿传输的设计实现问题,本文对基于音频密写的载密移动通信系统的软硬件设计方案进行详尽的分析,提出了基于DSP的能量比调整秘密数据嵌入/提取算法。对于整个系统的听觉相似性和健壮性进行了实验测试。结果表明系统能够很好地实现以语音为载体的秘密信息在移动通信网络中的隐蔽、可靠传递。

  8. Design of a mobile aerosol research laboratory and data processing tools for effective stationary and mobile field measurements

    Directory of Open Access Journals (Sweden)

    F. Drewnick

    2012-03-01

    Full Text Available A~compact mobile aerosol research laboratory (MoLa for stationary and mobile measurements of aerosol and trace gas characteristics was developed at the Max Planck Institute for Chemistry (MPIC. Major efforts were made to design an aerosol inlet system which is optimized and characterized for both, stationary and mobile measurements. The instrumentation on board allows the determination of a multitude of physical and chemical aerosol parameters, for example particle number and mass concentration (PM1/2.5/10, particle size distributions in the diameter range 6 nm up to 32 μm, and chemical composition of the sub-micron aerosol. Furthermore trace gas concentrations of O3, SO2, CO, CO2, NO, NO2 and water vapor as well as meteorological parameters like temperature, relative humidity, pressure, wind, solar radiation and precipitation are measured together with various housekeeping parameters. All instruments collect data with high time resolution in the second to minute-range. The measurement platform as well as data acquisition and handling tools are optimized for efficient application to various measurement settings. The mobile laboratory is designed to be used for mobile investigation of anthropogenically influenced environments. Possible applications include pollutant mapping, chasing of mobile sources or Lagrangian-type measurements in emission plumes, but also stationary measurements with possible frequent position changes and a well-characterized instrument setup. In addition to the design and features of the mobile laboratory, its inlet system and instrumentation as well as examples of applications of this platform are presented. Challenges associated with such measurements and approaches to extract the desired information from the mobile data sets are discussed.

  9. Design of a mobile aerosol research laboratory and data processing tools for effective stationary and mobile field measurements

    Directory of Open Access Journals (Sweden)

    F. Drewnick

    2012-06-01

    Full Text Available A compact mobile aerosol research laboratory (MoLa for stationary and mobile measurements of aerosol and trace gas characteristics was developed at the Max Planck Institute for Chemistry (MPIC in Mainz, Germany. Major efforts were made to design an aerosol inlet system which is optimized and characterised for both, stationary and mobile measurements using a particle loss modelling approach. The instrumentation on board allows the determination of a multitude of physical and chemical aerosol parameters, for example particle number and mass concentration (PM1/2.5/10, particle size distributions in the diameter range 6 nm up to 32 μm, and chemical composition of the sub-micron aerosol. Furthermore, trace gas concentrations of O3, SO2, CO, CO2, NO, NO2 and water vapour as well as meteorological parameters like temperature, relative humidity, pressure, wind, solar radiation and precipitation are measured together with various housekeeping parameters. All instruments collect data with high time resolution in the second to minute-range. The measurement platform, as well as data acquisition and handling tools, are optimized for efficient application to various measurement settings. The mobile laboratory is designed to be used for mobile investigation of anthropogenically influenced environments. Possible applications include pollutant mapping, chasing of mobile sources or Lagrangian-type measurements in emission plumes, but also stationary measurements with possible frequent position changes and a well-characterised instrument setup. In addition to the design and features of the mobile laboratory, its inlet system and instrumentation as well as examples of applications of this platform are presented. Challenges associated with such measurements and approaches to extract the desired information from the mobile datasets are discussed.

  10. Mobile Database System: Role of Mobility on the Query Processing

    CERN Document Server

    Sharma, Samidha Dwivedi

    2010-01-01

    The rapidly expanding technology of mobile communication will give mobile users capability of accessing information from anywhere and any time. The wireless technology has made it possible to achieve continuous connectivity in mobile environment. When the query is specified as continuous, the requesting mobile user can obtain continuously changing result. In order to provide accurate and timely outcome to requesting mobile user, the locations of moving object has to be closely monitored. The objective of paper is to discuss the problem related to the role of personal and terminal mobility and query processing in the mobile environment.

  11. Implementing a Mobile Social Media Framework for Designing Creative Pedagogies

    Directory of Open Access Journals (Sweden)

    Thomas Cochrane

    2014-08-01

    Full Text Available The rise of mobile social media provides unique opportunities for new and creative pedagogies. Pedagogical change requires a catalyst, and we argue that mobile social media can be utilized as such a catalyst. However, the mobile learning literature is dominated by case studies that retrofit traditional pedagogical strategies and pre-existing course activities onto mobile devices and social media. From our experiences of designing and implementing a series of mobile social media projects, the authors have developed a mobile social media framework for creative pedagogies. We illustrate the implementation of our mobile social media framework within the development of a new media minor (an elective set of four courses that explicitly integrates the unique technical and pedagogical affordances of mobile social media, with a focus upon student-generated content and student-determined learning (heutagogy. We argue that our mobile social media framework is potentially transferable to a range of educational contexts, providing a simple design framework for new pedagogies.

  12. Museum Personnel's Opinions on Mobile Guidance Systems

    Science.gov (United States)

    Yoshimura, Hirokazu; Sekiguchi, Hiromi; Yabumoto, Yoshitaka

    2007-01-01

    While opinions from the general public are certainly important, opinions from the museum staff are also necessary to improve user service systems. this article introduces two groups of museum staff who have evaluated the usability of mobile guidance systems in Japanese museums. One group is the research team who used the PDA system in the National…

  13. 遥自主移动机器人系统设计及实现%System design and implementation of tele-autonomous mobile robot

    Institute of Scientific and Technical Information of China (English)

    夏桂华; 杨晟; 蔡成涛

    2011-01-01

    Teleoperation control system of autonomous mobile robot was established to solve the incomplete autonomy level of the mobile robots in some specific circumstances. The transmission of panoramic images based on perspective decoding and multi-functional remote control platform based on USB joystick were both developed by the way of wireless networks communication. The fuzzy algorithm for the robot to avoid obstacles independently via ultrasonic sensors, the programme of remote operation of the robot by USB joystick as well as panoramic camera perspective solving principles and video compression were elaborately described in this paper. The experimental results show that the construction of the teleoperation control system can realize a good human-machine interaction, make autonomy of the mobile robot much stronger and more intelligent.%为了解决移动机器人在特定环境下自主性不强的问题,构建了自主移动机器人的遥操作控制系统.通过无线网络传输的通信方式实现了经过透视解算展开后的全景图像的传输和基于USB操纵杆的多功能远程控制平台的开发.详细介绍了机器人利用超声波传感器进行自主模糊避障的算法,利用USB操纵杆对机器人遥操作的程序实现,以及全景摄像头透视解算和视频压缩的方法.实验结果表明,构建的遥操作控制系统可以实现良好的人机交互,使移动机器人的自主性更强,更加智能化.

  14. Systems design for remote healthcare

    CERN Document Server

    Bonfiglio, Silvio

    2014-01-01

    This book provides a multidisciplinary overview of the design and implementation of systems for remote patient monitoring and healthcare. Readers are guided step-by-step through the components of such a system and shown how they could be integrated in a coherent framework for deployment in practice. The authors explain planning from subsystem design to complete integration and deployment, given particular application constraints. Readers will benefit from descriptions of the clinical requirements underpinning the entire application scenario, physiological parameter sensing techniques, information processing approaches and overall, application dependent system integration. Each chapter ends with a discussion of practical design challenges and two case studies are included to provide practical examples and design methods for two remote healthcare systems with different needs. ·         Provides a multi-disciplinary overview of next-generation mobile healthcare system design; ·         Includes...

  15. Mobile Software Testing – Automated Test Case Design Strategies

    Directory of Open Access Journals (Sweden)

    Selvam R,

    2011-04-01

    Full Text Available Mobile devices are poised to challenge PCs as the application platform of choice, with 500 million mobile internet devices expected to ship in 2012 compared to 150 million PCs. The convergence ofall digital devices into mobile platform model augments the software companies, software developer, and venture capitalist firms to turn their focus into mobile application platform (for example mobile social networking application like face book and mobile VOIP like Skype a futuristic platform for increased revenue, new challenges and growth potential. But the commercial success of these applications depends on their working smoothly and securely on a wide variety of handheld devices and wireless networks. More and more virtual mobile application stores are built on the web. The web itself is in the transforming form to adapt to the mobile devices to thrive on. The sudden growth in the mobile application and the complexity in the divergence of the devices that uses these applications present increased challenges and opportunities for the software testing companies and software testers to conquerthis small device. Performing such testing quickly and cost-effectively greatly expands the market for such applications. This paper deals the nuances of Automated Test Case Design Strategies for Mobile Software Testing.

  16. Power and signal transmission for mobile teleoperated systems

    Energy Technology Data Exchange (ETDEWEB)

    Morris, A.C. Jr.; Hamel, W.R.

    1985-01-01

    Appropriate means must be furnished for supplying power and for sending controlling commands to mobile teleoperated systems. Because a sizable number of possibilities are available for such applications, methods used in designing both the power and communications systems built into mobile vehicles that serve in radiological emergencies must be carefully selected. This paper describes a number of umbilical, on-board, and wireless systems used in tranmitting power that are available for mobile teleoperator services. The pros and cons of selecting appropriate methods from a list of possible communication systems (wired, fiber optic, and radio frequency) are also examined. Moreover, hybrid systems combining wireless power transmissions with command-information signals are also possible.

  17. Design of mobile communication experimental system based on virtual reality%基于虚拟现实的移动通信实验系统设计

    Institute of Scientific and Technical Information of China (English)

    徐川; 徐铭泽; 唐红

    2012-01-01

    This paper references the idea of virtual reality, and subverts the traditional way of mobile communication experimental teaching. This paper also designs several classic types of wireless network planning, optimization cases, as a complement of mobile communication courses. In the three-dimensional virtual world, students can use virtual network planning device to plan and optimize wireless network under various conditions of virtual wireless environment, which enables students to understand the framework of wireless network and basic communication process more deeply.%引入虚拟现实的思想,区别于传统的移动通信实验教学模式,设计了几种经典的无线网络规划、优化案例作为高校中移动通信实验、理论课教学的补充内容,在网络三维虚拟世界里学生可以通过虚拟的网络规划设备对各种条件下的虚拟无线环境进行测试优化.通过对无线网络的规划设计更加全面深刻地理解无线网络的整体架构和基本通信流程.

  18. 深度学习理论视角下的移动学习推荐系统的设计和研究%Design and Research of Mobile Learning Recommender System Under the Perspective of Deep Learning

    Institute of Scientific and Technical Information of China (English)

    徐正巧; 赵德伟

    2014-01-01

    计算机技术和通信技术的迅猛发展,促使移动教学和深度学习在教育领域成为新的研究热点。首先阐明了深度学习的内涵和特征,并依此为理论基础,研究和探讨了深度学习在移动推荐系统中的应用,实现移动推荐系统的设计。%During the rapid development of computer technology and mobile communications technology ,to promote mobile teaching and depth learning of the field of education has become the new hotspot .The text clarifies the meaning and charac-teristics of depth learning ,and according to this theory ,the paper studies and explores the depth learning in mobile recom-mender systems to achieve design of mobile recommender system .

  19. 基于微视频的思政教育移动学习系统设计%Micro video thought political education based on mobile learning system design

    Institute of Scientific and Technical Information of China (English)

    卫思瑜

    2015-01-01

    针对现代3G网络技术和热点共享技术的成熟,通过手机观看视频进行学习成为一种时尚.对此提出一种用于高校思政课程教育的移动学习系统,并结合视频编码压缩技术、Access数据库技术和ASP.NET对移动学习系统进行了设计,从而使得人们通过手机即可学习思政课程,实现了移动学习的理念,对当前高校教育方式具有一定的创新.%Sharing technology for the modern mature 3G network technology and hot, watch videos through mobile learning has become a trend. This presents a learning system for mobile Ideological and Political Education curriculum, combined with video coding compression technology, Access database and ASP.NET mobile learning system is designed so that people can learn the ideological and political course through the phone realize the concept of mobile learning for education in colleges and universities have a certain degree of innovation.

  20. Design of forestry transportation supervision system based on Mobile WebGIS technology%基于Mobile WebGIS的林业运输稽查系统的设计

    Institute of Scientific and Technical Information of China (English)

    陈清耀; 林宇洪; 邱荣祖

    2016-01-01

    为了提高林业执法干部的木材运输稽查水平,需要向执法人员提供周边地形地貌、林地资源和运输车辆的位置信息。基于Mobile WebGIS理念,应用Microsoft Visual Studio 2010的C#�net语言开发了林业运输稽查系统。系统分为两个部分:一是智能手机终端的定位程序读取GPS模块测量的位置信息,并通过GPRS上传至互联网上的云数据中心;二是云数据中心通过ASPMAP组件绘制村庄的道路、村界、等高线和林地小班的地理信息,然后叠加显示运输车辆和执法车辆的位置,以WebGIS网页的形式向手机端发布。成功开发了林业运输稽查系统,林业执法干部在手机终端的支持下,能更有目的性地开展运输稽查工作,追查木材来源,追踪车辆轨迹。系统的应用使林业运输稽查实现了可视化管理,降低案件的调查难度,提高了林业干部行政执法能力。%The objective of this study was to improve the ability of forestry law enforcement officers in the inspection of the wood transport,which needs to provide the information of surrounding topography, forest resources and locations of transportation vehicles to law enforcement officers. A forestry transportation inspection system was developed based on Mobile WebGIS using Microsoft Visual Studio 2010 C#.net language. The system consisted of two parts. The first one was intelligent mobile terminal which read the location information detected by the GPS module via a positioning program, and uploaded to the cloud data center on the Internet via GPRS. The second one was the cloud data center which drew various geographic informations such as village roads, village boundaries, contour lines and forest divisions via the ASP⁃MAP components and then transmitted the locations of transportation vehicles and law enforcement vehicles to the mobile terminal in form of WebGIS webpage. This study successfully developed the forestry

  1. GPS and Mobile Multisensor Mapping System

    Institute of Scientific and Technical Information of China (English)

    Zhang Ke-fei; Xiao Ben-lin

    2003-01-01

    The latest development and evolution of surveying and mobile mapping technologies opens new avenues for the acquisition, update, fast and online processing of data. Currently mobile mapping systems are supported by a series of advanced technologies, including GPS and Inertial Navigation Systems (INS), imaging sensors of high-resolution CCD, SAR, multispectral and hyperspectral sensors, portable computers and highly intelligent processing/automation algorithms. This paper outlines recent developments of micro-GPS technology and integrated mapping systems, including accuracy,integration with GIS and communication techniques. The definition and history of the Mobile Mapping System(MMS) is reviewed and briefly outlined. Advancements in low-cost, micro-GPS technologies are emphasised.Some new advancements of the current MMS will be reviewed to demonstrate recent progress and future trends of development. A few commercial MMSs are also assessed.

  2. 移动学习领域基于机会感知的情境识别系统设计方法%The Field of Mobile Learning Situation Recognition System Design Method Based on Perception of Opportunity

    Institute of Scientific and Technical Information of China (English)

    吴菲; 王欣

    2016-01-01

    在研究移动学习的内涵和情境感知技术在移动学习领域的应用的基础上,把握其最新的发展方向,结合专家系统、传感器应用等相关技术,设计出一种基于机会感知的情境识别系统方法。%Books on the research of mobile learning content and Context Aware Technology in mobile learning applications based on,grasp the latest development direction,combined with expert system,the application of transducer technology,design a perceived opportunity situation system identification method based on.

  3. Modular Track System For Positioning Mobile Robots

    Science.gov (United States)

    Miller, Jeff

    1995-01-01

    Conceptual system for positioning mobile robotic manipulators on large main structure includes modular tracks and ancillary structures assembled easily along with main structure. System, called "tracked robotic location system" (TROLS), originally intended for application to platforms in outer space, but TROLS concept might also prove useful on Earth; for example, to position robots in factories and warehouses. T-cross-section rail keeps mobile robot on track. Bar codes mark locations along track. Each robot equipped with bar-code-recognizing circuitry so it quickly finds way to assigned location.

  4. STEP electronic system design

    Science.gov (United States)

    Couch, R. H.; Johnson, J. W.

    1984-01-01

    The STEP electronic system design is discussed. The purpose of the design is outlined. The electronic system design is summarized and it is found that: an effective conceptual system design is developed; the design represents a unique set of capabilities; makes efficient use of available orbiter resources; the system capabilities exceed identified potential experiment needs.

  5. The ProCard mobile banking system

    Directory of Open Access Journals (Sweden)

    2007-01-01

    Full Text Available The mobile banking involves the use of some mobile telecommunication devices (such phones or PDAs - Personal Digital Assistants in order to complete, in a secure manner, banking transactions (like payments, transfers, account information and so on. It doesn't matter where the user is physically located. Also, the hour when the services are requested is not important anymore, because, thanks to the internet banking, the offices are virtually opened 24 hours per day. The ProCard system represents a suite of applications used to perform mobile banking. It was intended to be a universal solution that allows EFT, Internet and mobile banking in a single package. No special software or hardware is required

  6. THE EVOLUTION OF INTERFACE DESIGN ON MOBILE DEVICES

    Directory of Open Access Journals (Sweden)

    Atila Isik

    2016-09-01

    Full Text Available The most typical characteristic of 21. century is the light velocity changing of technology. Dizzily developments in the field of human-robot interaction, mobile communication and education as affect all the fields of life also have an impact on art and design area. Striking increase of interest had been seen for mobile devices which are product of developing technology as tablet and mobile phone. While this increase happening at the present time user interfaces at mobile world and user practices developed as much as dominating design tendency. And became primary impotance for visual designers. This study aims utulizing future options for designers and the oppurtunities and reach a conclusions with examining evolution field of interface design spesific to mobile devices. From Skemorfizm to ordinary design and Google’s recent transition of material design principles were discussed together in this study. And this workout deal with interface design logic of users for working with new computational arificial facts devices as wearable smart objects and devices which able to connect to internet.

  7. 轮腿式可移动载人月面着陆器概念设想%Conceptual Design of Manned Lunar Lander with Wheel-Legged Mobile System

    Institute of Scientific and Technical Information of China (English)

    张志贤; 梁鲁; 果琳丽; 叶培建

    2016-01-01

    In order to expend the maneuvering range and enhance the capability of lunar explora⁃tion, the conceptual design of manned lunar lander with wheel⁃legged mobile system was presented. The design combined the capabilities of lunar lander and lunar rover, and it had the advantages of wheeled mobile system to move fast and legged mobile system to cross obstacle effectively. It could perform the missions of lunar landing, ascending, long⁃distance movement, construction and mainte⁃nance of lunar base, so as to meet the needs of manned lunar exploration and lunar base. The key technologies of manned lunar lander with wheel⁃legged mobile system were presented to provide ref⁃erence for further study in the future.%为提高月面探测的机动范围和探测能力,提出了一种新型轮腿式可移动载人月面着陆器方案设想,综合载人月面着陆器和月球车的能力,具备轮式高速移动和腿式高效避障的优点,支持月面着陆和起飞任务的执行,支持较大范围的机动作业,支持月球基地构建和运营,满足载人登月以及月球基地任务的应用需求;提出了轮腿式可移动载人月面着陆器所涉及的关键技术,可作为后续开展深入研究的参考。

  8. Design and implementation of voting system based on Android mobile phone and Internet%基于Android手机与Internet投票系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    张杰; 诸叶平; 刘丹; 许金普

    2014-01-01

    Aiming at the problems of cumbersome and time-consumption in traditional voting process of paper,a new de-sign approach of voting system based on Android mobile phones and Internet is proposed. A universal environment for mobile phones development was constructed. A voting system based on the hardware of mobile phones with Android system and software which is consist of a server designed by ASP.NET and a mobile phone voting software developed by Eclipse,was developed. The system can be connected with local network through WiFi. It is easy to operate and extend,and has the characteristics of safety and fast statistics. It has a high application value and promotion prospect.%针对传统纸质版投票过程中繁琐费时的问题,提出一种基于Android手机与Internet投票系统的设计方法。搭建了一个通用的手机开发环境,开发出一个以Android手机为硬件基础,以ASP.NET环境设计的服务器以及Eclipse环境开发的手机投票软件为核心的投票系统。该系统通过WiFi连接到局域网,具有操作简易、安全易扩展、统计结果快速高效的特点,有很强的应用价值和推广前景。

  9. Flow Sharing Systems for Mobile Applications

    DEFF Research Database (Denmark)

    Andersen, T. O.; Hansen, M. R.; Conrad, Finn

    2002-01-01

    This contribution reports about some analytical and simulation/experimental studies carried out on different flow control systems for mobile applications with respect to their ability to do flow sharing. All systems have two parallel actuators and are considered regarding functionality...

  10. Biometric Authentication System on Mobile Personal Devices

    NARCIS (Netherlands)

    Tao, Qian; Veldhuis, Raymond

    2010-01-01

    We propose a secure, robust, and low-cost biometric authentication system on the mobile personal device for the personal network. The system consists of the following five key modules: 1) face detection; 2) face registration; 3) illumination normalization; 4) face verification; and 5) information fu

  11. Designing a Knowledge Mobilization Strategy: Leading through Influence

    Science.gov (United States)

    Reid, Steven

    2015-01-01

    As district leaders consider professional learning opportunities for educators, mobilizing new thought and actions across an entire system is a vexing challenge. Classroom-based learning may unfortunately be viewed as juxtaposed to district-based learning. It becomes essential for district leaders to develop knowledge mobilization strategies which…

  12. A Mobile Agent-Based Prototype of Heterogeneous Distributed Virtual Environment Systems

    Institute of Scientific and Technical Information of China (English)

    2000-01-01

    Mobile agents provide a new method for the distributed computation. This paper presents the advantages of using mobile agents in a distributed virtual environment (DVE) sys tem, and describes the architecture of heterogeneous computer's distributed virtual environment system (HCNVES) designed to populate some mobile agents as well as stationary agents. Finally, the paper introduces how heterogeneous computer network communication is to be realized.

  13. Design and Implementation on the Image Encryption of Mobile Communication System%移动通信的图像加密系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    万玉晴

    2015-01-01

    针对智能手机图像的加密应用需求与目前台式加密系统不能很好地适用于移动终端平台等问题,本文设计了一套适用于智能手机的图像加密系统,结合基于混沌算法的图像加密技术,提出了适用于移动端应用的低配置、快速实现图像加密的技术方法。实验结果表明,系统采用的并行多线程技术路线,可以提高大像素图像的加解密效率三倍以上,为智能手机的实时图像加密提供了一种可实现解决方案。%This article presents an image encryption system for smart phones that can solve the problems such as the application requirements of image encryption of smart phones and the current desktop encryption systems are not quite suitable for mobile terminal platform. It propose a technical method with low allocation and fast image encryption for mobile application with the use of image encryption technology based on chaos algorithm. The experiment result shows that the parallel multithreading technical strategy adopted by the system can improve over three times encryption and decryption efficiency of large pixel images. So it can provide a realizable solution for the real-time image encryption of smart phones.

  14. Home Automation System (HAS using Android for Mobile Phone

    Directory of Open Access Journals (Sweden)

    Sharon Panth

    2014-01-01

    Full Text Available Automation of the surrounding environment of a modern human being allows increasing his work efficiency and comfort. There has been a significant development in the area of an individual’s routine tasks and those can be automated. In the present times, we can find most of the people clinging to their mobile phones and smart devices throughout the day. Hence with the help of his companion – a mobile phone, some daily household tasks can be accomplished by personifying the use of the mobile phone. Analyzing the current smart phone market, novice mobile users are opting for Android based phones. It has become a second name for a mobile phone in layman terms. Home Automation System (HAS has been designed for mobile phones having Android platform to automate an 8 bit Bluetooth interfaced microcontroller which controls a number of home appliances like lights, fans, bulbs and many more using on/off relay. This paper presents the automated approach of controlling the devices in a household that could ease the tasks of using the traditional method of the switch. The most famous and efficient technology for short range wireless communication- Bluetooth is used here to automate the system. The HAS system for Android users is a step towards the ease of the tasks by controlling one to twenty four different appliances in any home environment.

  15. Wireless security system implemented in a mobile robot

    Directory of Open Access Journals (Sweden)

    Lemuel Uitzil

    2012-07-01

    Full Text Available This paper presents the design and implementation of a security system in which a mobile robot Lego NXT continuously monitors its surroundings while traveling in search of moving objects or people, considered unauthorized elements. An ultrasonic sensor is used for the monitoring. On suspicious movement detection, a warning signal is sent to a computer via Bluetooth technology. The mobile robot motion is observed with a camera that sends images to the computer controlling the robot remotely. The results indicate that the security system is reliable in 85% of cases.

  16. Channel estimation for OFDM in mobile communication systems

    Science.gov (United States)

    Zheng, Kan; Zeng, Guoyan; Wang, Wenbo

    2004-04-01

    Orthogonal Frequency Division Multiplexing (OFDM)is one of the best candidates for the future mobile communication systems. This paper analyzes channel estimation algorithms for OFDM systems not only for the downlink but also for the uplink. With reasonable constraint and well-designed preambles for each user, the DFT-based uplink channel estimation algorithm on the uplink can achieve good estimation accuracy without sacrificing much system capacity. Computer simulation demonstrates effectiveness of channel estimation algorithms and conclusion is followed.

  17. Design and Implementation of Mobile Blended Learning Model Based on WeChat Public Platform

    Directory of Open Access Journals (Sweden)

    Han Yanyan

    2017-01-01

    Full Text Available Merging together the ideas of mobile learning, blended learning and flipped classroom, a Mobile Blended Learning Model (MBLM is constructed. Based on WeChat Public Platform (WPP, MBLM can optimize the instructional process and improve the learning efficiency. A Mobile Blended Learning System(MBLS is implemented by using MBLM, and it is constructed by both WPP and auxiliary learning system which based on Java Web. This system has reasonable designed function, easy operation, and beautiful interface, so it can effectively promote the popularization of MBLM.

  18. A web-based platform for mobile learning management system ...

    African Journals Online (AJOL)

    A web-based platform for mobile learning management system. ... Journal of Computer Science and Its Application ... the mobile devices, the mobile applications used to access the internet and also context discovery and content delivery.

  19. Barcode Payment System in Trusted Mobile Devices

    OpenAIRE

    Vibha Kaw Raina

    2012-01-01

    Mobile payment is an application of mobile commerce which facilitates mobile commerce transactions by providing the mobile customer with a convenient means to pay. Many mobile payment methods have been proposed and implemented like user friendly, customer centric, merchant centric where security concerns are highly addressed. This paper proposes a mobile payment model with barcodes for mobile users to improve mobile user experience in mobile payment. Unlike other existing mobile payment syste...

  20. Design and Implementation of Library Reader Service System Based on Intelligent Mobile Phone%基于智能手机的图书馆读者服务系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    赵晋芝

    2012-01-01

    为充分发挥智能手机在运算和信息传输上的优势.基于智能手机和嵌入式数据库设计图书馆读者服务系统。系统选择.NET平台,采用SQLite数据库,实现读者认证和文献资源搜索与预定等基本功能,构建基于WindowsMobile5.0智能设备的图书馆服务平台。将智能手机应用于移动图书馆的读者服务系统以提供全天候的服务。%Smart phone offers more advanced computing ability and connectivity than a contemporary fea- ture phone. Introduces the design of reader services system based on the smart phone and em- bedded database. Develops the system based on the .NET framework and SQLite database sys- tem, which offers identity authentication, literature retrieval and book renew and bespeak. Dis- cusses the mobile devices operating system-Windows Mobile 5.0 for library services platform, and introduces the smart phone in the library system for the librarians can offer their services at anytime and anywhere.

  1. Disaster and Accident Rescue System Design Based on Mobile AR Technique%基于移动增强现实技术的灾害和事故救援系统设计

    Institute of Scientific and Technical Information of China (English)

    赖蘋华

    2014-01-01

    This paper designs a disaster and accident rescue system based on mobile AR technique.The system uses smart mobile devices and mobile web to complete real-time collection of real information in disaster areas and fuses real and virtual images.System adopts different tracking and registration algorithms for different situations.Paper discusses geo-locations,marker identiifcation and image recognition based on natural characteristics.System saves precious time for rescuers,and the rescue operations will become more efifcient.%设计了基于移动增强现实技术的灾害和事故救援系统,利用智能移动设备和移动网络构建了能实时采集现场真实信息并与虚拟图像进行融合的完整体系。根据不同的灾害种类,采用针对性的跟踪和注册算法,分别进行了地理定位、标识物识别和基于自然特征图像识别的研究,为救援人员节省了大量宝贵时间,便于营救工作快速高效的开展。

  2. Design and Realization of Mobile Inventory Smart Management System Based on Web Service%基于web service的移动库存智能管理系统 设计与实现

    Institute of Scientific and Technical Information of China (English)

    毕晓东

    2015-01-01

    在分析现有基于PC端的仓库管理系统存在问题的基础上,提出了基于web service的移动库存智能管理系统解决方案,并基于Android平台在移动设备上开发实现移动实时库存管理系统,同时为了便于管理者查看相关数据,采用经过二次开发Axis2+Mysql实现了服务端,最终设计并实现了该移动库存实时处理系统.%In this paper,on the basis of an analysis of the problems existing in the PC terminal of the warehouse management systems,we proposed the mobile inventory smart management system solution based on web service,then developed the mobile real-time inventory management system on the Android platform for hand-held devices,and at the end,designed the mobile inventory real-time processing system.

  3. 高校课堂自动化考勤与手机使用限制系统设计%Design of automatic attendance checking and mobile phone use restriction system in university classroom

    Institute of Scientific and Technical Information of China (English)

    王兴; 吴珊珊

    2016-01-01

    基于Android智能手机,设计并实现了“高校课堂自动化考勤与手机使用限制系统”。该系统利用蓝牙设备扫描技术,在完成自动化考勤的同时通过系统进程管理对课堂上手机的使用进行限制,该系统改变了传统的考勤及纪律管理方法,有助于提高高校课堂管理效率以及纪律水平。%On Android intelligent mobile phone, a college classroom automation attendance checking and mobile phone use restriction system is designed and implemented. The system using scanning technology of Bluetooth devices, through the system process management, in the completion of the automatic attendance checking at the same time, makes the restrictions on the use of mobile phones in the classroom. The system changed the traditional attendance and discipline management methods, and is helpful to improve the efficiency of classroom management and discipline level.

  4. Design and Implementation of Mobile Phone Payment System Based on NFC Technology for Smart Scenic%旅游景区手机NFC移动支付系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    莫永华

    2015-01-01

    随着景区旅游智能化需求不断增长和移动智能手机广泛普及,通信技术与景区旅游管理的融合将是旅游产业服务水平提高的发展方向。介绍基于NFC近场通信技术开发实现游客在景区便捷地利用智能手机移动支付。针对该系统开发的几个方面,首先设计智能移动手机端SIM卡与NFC功能集成,并与NFC读写器实现用户信息的交互,然后设计智能移动支付平台与管理系统服务器之间Wi-Fi信号传输,最后给出管理系统几个主要功能实现。%With the growing demand for tourist intelligent and mobile smart phones are widely spread, tourism management and communication tech-nology integration will become a tourist industry development goals. Focuses on the development of NFC near field communication tech-nology to facilitate the tourists to use mobile payment smart phones in smart scenic. For the development of several aspects of the system, designs smart mobile phone SIM card and NFC terminal functional integration, user interaction with the NFC reader information, and then designs a smart mobile payment Wi-Fi signal transmission between the server platform and management system, tests system implementa-tion.

  5. Gesturing Entangled Journeys - Mobilities Design in Aalborg East, Denmark

    DEFF Research Database (Denmark)

    Lanng, Ditte Bendix

    2015-01-01

    and for being desensitised, placeless environments with little cultural and social value. This critique is acknowledged in the thesis, but it is also challenged by asking whether these transit Spaces could, in fact, be some of our cherished public spaces. The thesis explores how social and sensorial mobile......-in-motion. They meet, experience, and do things while on the way to their destinations. The thesis examines how these activities and experiences entangle with the modest architectures of the selected transit spaces - how architectures co-condition mobile situations. These insights into small and unnoticed mobile...... relationship with an integrated theoretical perspective on transit spaces. The thesis aims to supplement the rational functionalist logics of traffic planning with a combination of insights from social scientific mobilities research and from the discipline of urban design. Mobilities research offers a nuanced...

  6. Design Application Early Childhood Education Based Mobile

    Directory of Open Access Journals (Sweden)

    Annah

    2016-02-01

    Full Text Available This study aims to make learning media for Early Childhood Education in the form especially its mobile applications for Android-based smartphones. In the process of teaching and learning for Early Childhood Education is still often found constraints experienced teaching force is limited props so that learners are less eager to learn. In addition, parents also have difficulty returning to guide or teach the learning materials at home because it has no alternative instructional media. In compiling this research report author uses the Android-based Mobile Devices Applications created using the Java programming language through the Eclipse editor. Based on the results of the research, concluded that these applications can be applied in the latest version of the Android platform to its current platform version of Jellybean. Application of Learning can be used as an alternative way of learning for Early Childhood Education so as to overcome the lack of props in institutions of Early Childhood Education, can be used to be taught at home, and provide new teaching methods to early childhood so that a form of learning that is obtained is not the monotony of one form of learning how.

  7. Principles of designing mobile robots for nuclear applications: Some Soviet development projects

    Energy Technology Data Exchange (ETDEWEB)

    Adamov, E.O.; Ivanov, V.G.; Meieran, H.B.

    1990-01-01

    The I.V. Kurchatov Institute of Atomic Energy and the Research and Design Institute of Power Engineering, both designers of nuclear power plant systems and located in Moscow, USSR, have collectively recognized the positive merits of utilizing mobile robots in the nuclear industry. They have given authority to their subsidiary agency CENOTECH to mount an active campaign to program the development of new generations of mobile robots that will support routine and emergency situation operations in the nuclear industry. CENOTECH's rationale for design and performance requirements of mobile robot units to be utilized in the nuclear industry is presented in this paper. A description of design, performance requirements, and operational characteristics of four mobile robots that have been developed at CENOTECH within the past 3 yr is also presented: the 2-tracked KURSOR ; the 4 hybrid-wheeled TELER; the 12-wheeled BUGGY with articulated platforms; and the 2-tracked SADKO.

  8. A distributed deadlock detection algorithm for mobile computing system

    Institute of Scientific and Technical Information of China (English)

    CHENG Xin; LIU Hong-wei; ZUO De-cheng; JIN Feng; YANG Xiao-zong

    2005-01-01

    The mode of mobile computing originated from distributed computing and it has the un-idempotent operation property, therefore the deadlock detection algorithm designed for mobile computing systems will face challenges with regard to correctness and high efficiency. This paper attempts a fundamental study of deadlock detection for the AND model of mobile computing systems. First, the existing deadlock detection algorithms for distributed systems are classified into the resource node dependent (RD) and the resource node independent (RI) categories, and their corresponding weaknesses are discussed. Afterwards a new RI algorithm based on the AND model of mobile computing system is presented. The novelties of our algorithm are that: 1 ) the blocked nodes inform their predecessors and successors simultaneously; 2 ) the detection messages ( agents )hold the predecessors information of their originator; 3) no agent is stored midway. Additionally, the quit-inform scheme is introduced to treat the excessive victim quitting problem raised by the overlapped cycles. By these methods the proposed algorithm can detect a cycle of size n within n - 2 steps and with ( n2 - n - 2)/2 agents. The performance of our algorithm is compared with the most competitive RD and RI algorithms for distributed systems on a mobile agent simulation platform. Experiment results point out that our algorithm outperforms the two algorithms under the vast majority of resource configurations and concurrent workloads. The correctness of the proposed algorithm is formally proven by the invariant verification technique.

  9. Development of Adaptive Mobile Learning (AML on Information System Courses

    Directory of Open Access Journals (Sweden)

    I Made Agus Wirawan

    2015-12-01

    Full Text Available In general, the learning process is done conventionally, where the learning process is done face to face between teachers with learners in the classroom. Teachers have a very important role in determining the quantity and quality of the implementation study. Therefore, teachers must think and plan carefully to improve learning opportunities for learners and improve the quality of teaching. Along with the development of mobile technology and communication is rapidly increasing, enabling the learning process is not only done in the classroom, but can be done anywhere and anytime. Based on the analysis of the results of observations in the class conducted by a researcher and as a teacher in the learning courses of Information Systems, found some obstacles encountered during the learning process This research is to develop an Adaptive Mobile Learning on Information Systems courses. The method used in this research is the development of research methods (research and development, which selected the design development using System Development Life Cycle model. Adaptive Mobile Learning will be validated and tested through three phases of testing are: (1 Product technical test as a software. (2 Testing of the product as a medium of learning, through expert review by a media expert, (3 Field test to evaluate the response of the students that learned Adaptive Mobile Learning. The results show that Adaptive Mobile Learning software is can present the material in the course of Information Systems. Media Adaptive Mobile Learning can be used as an alternative medium (supplement of learning Information Systems courses. The response of students to the development and use of software for Adaptive Mobile Learning Information Systems courses is likely to very positive, which is at 67.7% very positive and 32.3% is positive.

  10. Design and implementation of mobile device aided teaching system for discrete mathematics%离散数学移动端辅助教学系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    金聪; 郭京蕾; 张丽

    2015-01-01

    Traditional education mode is no longer sufficient to meet the needs of college students for knowledge. Although many colleges and universities have launched network education platforms, but still cannot effectively help the students to use fragments of time. In this paper, the design and implementation of a mobile device aided teaching system is studied for the discrete mathematics course of computer specialty. The studies include the system development based on Bmob cloud services platform, the file system and data storage system on Android, and the design and implementation of mobile device aided teaching system for discrete mathematics course.%传统的课堂教育模式已不能满足大学生对于知识的需求.虽然许多高校都陆续推出了网络教育平台,但依旧不能有效帮助大学生对于碎片时间的利用.针对计算机专业的离散数学课程,研究了移动端辅助教学系统的设计与实现,包括:对基于Bmob云服务平台的系统开发、对Android的文件系统和数据储存系统的设计、对智能手机上离散数学教学辅助系统的设计与实现.

  11. An Application of Mobile Agent System in Network Management

    Institute of Scientific and Technical Information of China (English)

    YANGChen-xiang; DUJun-ping; YINYi-xin

    2004-01-01

    This paper describes an application of a reusable mobile agent system in network management. A mobile agent reusable system is constructed to realize a new method in forming mobile agent systems. By using this method, an agent can change its route dynamically without making any change to its specific behavior. By classifying mobile agents into two categories, the task agent can be reusable in different networks. In this way, a mobile agent system can easily carry out network management tasks.

  12. A tracking system for mobile FSO

    Science.gov (United States)

    Al-Akkoumi, Mouhammad K.; Refai, Hakki; Sluss, James J., Jr.

    2008-02-01

    Free-space optics (FSO), or Optical Wireless, is an unlicensed line-of-sight technology that uses modulated lasers to transmit information through the atmosphere. By using light beams, FSO can transmit and receive data, voice, and video, information through the air. FSO provides data rates ranging from 100Mbps to 2.5Gbps. In most applications, FSO transceivers normally remain in a static location to ensure continuous line of sight and to maintain accurate alignment. One current challenge facing FSO technology is the desire to implement mobility. As a potential solution, this study introduces an auto-tracking system that will achieve and maintain alignment between two mobile FSO nodes. This auto-tracking system can be used in many different applications, such as reducing the time needed to achieve alignment of an FSO link, and maintaining a link between an aircraft and a stationary command post to exchange real-time video and data with high-speed laser communications. After link initiation, the auto-tracking system application will send steering commands back to the positioning gimbal. These steering commands are determined by feedback from Position Sensing Diodes (PSDs). The proposed FSO auto-tracking system provides optical beam steering and capturing mechanisms to provide tracking between two transceivers, either fixed or mobile. In this paper, we illustrate the feasibility of such a system and present experimental results for a source aligned with a PSD in a mobile environment.

  13. Innovative Mobile Platform Developments for Electronic Services Design and Delivery

    DEFF Research Database (Denmark)

    Scupola, Ada

    In the ever-growing world of technology, it is becoming more important to understand the developments of new electronic services and mobile applications. Innovative Mobile Platform Developments for Electronic Services Design, and Delivery is a comprehensive look at all aspects of production...... management, delivery and consumption of e-services, self services, and mobile communication including business-to-business, business-to-consumer, government-to-business, government-to-consumer, and consumer-to-consumer e-services. This volume is perfect for the interest of professionals, academic educators...

  14. A Mobile Full-Time Daily System for Fetal Monitoring

    Directory of Open Access Journals (Sweden)

    Bureev Artem

    2016-01-01

    Full Text Available The article describes a mobile hardware and software system designed for daily monitoring of the state of fetal and maternal cardiovascular systems. The assessment is carried out by means of recording and further online analysis of acoustic data, obtained from the abdominal surface of a pregnant woman’s body. The components and operating principles of the hardware and software system designed are described. The results of experimental studies aimed at assessing the applicability of a method of acoustic data analysis implemented in the system developed are shown. The results obtained have been compared with the results obtained using cardiotocography.

  15. 大学英语移动学习资源系统数据类设计%Data class design on mobile learning resources system of college English

    Institute of Scientific and Technical Information of China (English)

    杜莲艳

    2014-01-01

    移动学习是一种新型的学习模式,具有移动性、交互性、共享性和个性化学习等特点,可以满足学生对移动学习、个性化学习和终身化学习的需要。针对大学英语移动学习资源系统建设的难点问题,本文进行数据类设计。运用统一建模语言中的类图进行描述,设计了由资源类型、资源、资源明细等三个实体构成的两个一对多联系;基于Hibernate持久化框架设计了资源类型、资源、资源明细等三个实体类图。%Mobile learning is a new learning model which has many characteristics such as mobility, interactive,sharing and personalized learning to meet the needs of students' mobile learning,personalized learning and lifelong learning.The paper studies data class design for difficult problems in college English mobile learning resources system construction.Using class diagram that in the unified modeling language to describe.Designed two one-to-many relationships consisted of resources type,resources and details of resources;designed three entities class diagram based on Hibernate persistence framework,the first is resources type,the second is resources.

  16. Mobile App Design for Teaching snd Learning

    Directory of Open Access Journals (Sweden)

    Maria Cristina ENACHE

    2017-07-01

    Full Text Available This paper aims to describe the realization of a mobile application that consists of sending feedback from the learner to the instructor during a presentation. People in the room can send feedback to the instructor in the form of questions, positives or negatives, using the available options. At the end of the presentation, the instructor has the opportunity to see the feedback received in an aggregated form; Selections made by learners with different colors depending on the type of feedback they choose. The remarks are intended to help the instructor to improve his / her future presentations. This paper describes an application whose main purpose is to make communication between the instructor and learners more efficient.

  17. Semantic Middleware for Designing Collaborative Applications in Mobile Environment

    OpenAIRE

    Benmouffok, Lamia; Busca, Jean-Michel; Shapiro, Marc

    2007-01-01

    International audience; The Telex middleware facilitates the design of collaborative applications in a mobile environment. It provides optimistic replication, tentative execution and disconnected work. It solves conflicts based on semantic information provided by applications. We study in particular a Shared Calendar (SC) application, whereby mobile users can create and manage meetings in a collection of shared calendars. The application provides Telex with objects representing (1) meeting cr...

  18. Designing information systems

    CERN Document Server

    Blethyn, Stanley G

    2014-01-01

    Designing Information Systems focuses on the processes, methodologies, and approaches involved in designing information systems. The book first describes systems, management and control, and how to design information systems. Discussions focus on documents produced from the functional construction function, users, operators, analysts, programmers and others, process management and control, levels of management, open systems, design of management information systems, and business system description, partitioning, and leveling. The text then takes a look at functional specification and functiona

  19. Antenna Design Considerations for the Advanced Extravehicular Mobility Unit

    Science.gov (United States)

    Bakula, Casey J.; Theofylaktos, Onoufrios

    2015-01-01

    NASA is designing an Advanced Extravehicular Mobility Unit (AEMU)to support future manned missions beyond low-Earth orbit (LEO). A key component of the AEMU is the communications assembly that allows for the wireless transfer of voice, video, and suit telemetry. The Extravehicular Mobility Unit (EMU) currently used on the International Space Station (ISS) contains a radio system with a single omni-directional resonant cavity antenna operating slightly above 400 MHz capable of transmitting and receiving data at a rate of about 125 kbps. Recent wireless communications architectures are calling for the inclusion of commercial wireless standards such as 802.11 that operate in higher frequency bands at much higher data rates. The current AEMU radio design supports a 400 MHz band for low-rate mission-critical data and a high-rate band based on commercial wireless local area network (WLAN) technology to support video, communication with non-extravehicular activity (EVA) assets such as wireless sensors and robotic assistants, and a redundant path for mission-critical EVA data. This paper recommends the replacement of the existing EMU antenna with a new antenna that maintains the performance characteristics of the current antenna but with lower weight and volume footprints. NASA has funded several firms to develop such an antenna over the past few years, and the most promising designs are variations on the basic patch antenna. This antenna technology at UHF is considered by the authors to be mature and ready for infusion into NASA AEMU technology development programs.

  20. Intelligent Security System Design Base On Mobile Network%智能安防系统移动终端设计

    Institute of Scientific and Technical Information of China (English)

    李宏楷; 伍建辉; 袁振宇; 伍淼林; 王志强; 贾维卿

    2014-01-01

    随着社会经济的飞速发展及计算机控制技术的进步,人们的生活水平日益提高,智能、舒适、安全的家居环境也被更多人追求,而财产和人身安全更是人们对智能家居的首--求,因此,家庭安防也成为智能家居的重要组成部分。而本文就是在这样的背景下,提出了一种采用移动网络传输技术,结合各种传感技术的智能安防系统设计,做到对家居环境的实时监控和远程调控,实现了移动网与家庭局域网络的结合。%With the rapid development of social economy and the progress of the computer control technology, people's living standard is increasing day by day. More and more people pursue intelligent, comfortable and safe home environment. And property and personal safety is the primary request of people to smart home. So, The family security has become an important part of smart home. This paper puts forward a kind of intelligent security scheme that adopts mobile network wireless transmission technology with various sensing technologies, realizing the real-time monitoring of the home environment and remote control. The system realizes the combination of mobile network and home network.

  1. A highly innovative global broadband mobile communication system concept

    Science.gov (United States)

    Wittig, Manfred

    2010-04-01

    Global mobile communication systems deployed in the 1990s (Iridium and Globalstar) failed to achieve the expected market success. However, recently a second generation of these two LEO constellations have been or will be procured. This shows evidence that global mobile satellite communications are attractive for a certain class of users. Basic requirements for mobile satellite communication networks are global coverage at high elevation angles, continuous availability and most important attractive service offers. For the first two reasons LEO constellations were designed and deployed. The large number of required satellites (remember the original Teledesic concept was designed containing 860 satellites) increases the CAPEX and consequently the service cost. This is probably the major reason for the limited commercial success of Iridium and Globalstar. An ideal global mobile (broadband) communication system shall provide global coverage at high elevation angles (not below e.g. 30°) with the lowest number of satellites. This seems to be contradictory. However, a solution will be presented that achieves global coverage which requires only five satellites and achieves high elevation angles even at polar locations. This orbit constellation is to be complemented with innovative payloads to achieve cost efficient broadband mobile services all over the Globe. Innovative L/S-band payload concepts will be introduced as well as Ka-band payloads.

  2. 基于Android的金属学原理课程移动学习平台构建%Design of a Mobile Learning Platform Based on Android System for Principle of Metallograph

    Institute of Scientific and Technical Information of China (English)

    张小立; 卢冶

    2015-01-01

    With the development of electronic communication and spread of handle mobile device in the campus, great transformation has been occurring in the classroom. A real mobile learning platform based on Android, relating to Principle of Metallograph as a demonstrated course, is designed and implemented in order to carter for this current after the key techniques in developing a mobile learning system are discussed. The interactive design patterns in contents include Web page recommendation mode, exercise and test mode, forum interaction mode, and activity release mode.%针对电子通信技术的高速发展和手持式移动设备在校园内的普及给大学课堂教学结构带来的新特点,以“金属学原理”作为改革示范课程,研究构建移动学习平台的关键技术,设计和实现了一个基于 Android的移动学习平台。平台学习内容的交互式设计采用了主页推送模式、练习与测试模式、论坛互动模式和活动发布模式。

  3. 4G移动电商环境下的物流信息系统设计%Logistics Information System Design in the Environment of 4G Mobile E-commerce

    Institute of Scientific and Technical Information of China (English)

    洪志燕

    2014-01-01

    我国的物流信息化存在诸多亟待完善的问题,在电子商务的大环境下,物流企业必须充分利用移动通信技术,为顾客提供高水平的物流服务。本文分析了物流信息化存在的问题和引进移动技术的优势,在此基础上设计了基于4G移动技术的现代物流信息系统,旨在提高物流运作效率和服务水平。%There are many urgent issues need to be improved in the logistics information technology in China. Under the environment of e-commerce, logistics companies must make full use of mobile communication technology to provide customers with a high level of logistics services. This paper analyzes the existing problems of logistics infor-mation and the advantages of the introduction to mobile technology. Based on the design of the 4G mobile technology, modern logistics information system is designed to improve operational efficiency and service of logistics.

  4. Mobile health systems and emergence

    NARCIS (Netherlands)

    Jones, Valerie M.; Graziosi, Barbara

    2015-01-01

    Changes in the age distribution of the population and increased prevalence of chronic illnesses, together with a shortage of health professionals and other resources, will increasingly challenge the ability of national healthcare systems to meet rising demand for services. Large-scale use of eHealth

  5. Design of an elliptic spot illumination system in LED-based color filter-liquid-crystal-on-silicon pico projectors for mobile embedded projection.

    Science.gov (United States)

    Chen, Enguo; Yu, Feihong

    2012-06-01

    We present an elliptic spot illumination system for a color filter-liquid-crystal-on-silicon (CF-LCoS) pico projector employing a specifically designed free-form lens and a cylindrical lens to improve on previous designs in terms of optical efficiency while yielding an ultracompact and low-cost optical architecture. The detailed design description of the optical system is thoroughly investigated. Simulation results coincide well with the theoretical calculation. The single 1  mm×1  mm LED chip-powered optical engine, which employs a CF-LCoS panel with a diagonal of 0.28 in and an aspect ratio of 4:3, has an estimated output efficiency over 9.8% (11.8 lm@1 W) and an ANSI 9-point uniformity over 88.5%, with the ultrasmall volume 24  mm×19  mm×7  mm. Compared to the circular spot-illuminated projection system, a total increment of about 23% of system efficiency is available with this improved optical engine. It is believed that there would be a huge market potential to commercialize our design.

  6. Controlling Energy Demand in Mobile Computing Systems

    CERN Document Server

    Ellis, Carla

    2007-01-01

    This lecture provides an introduction to the problem of managing the energy demand of mobile devices. Reducing energy consumption, primarily with the goal of extending the lifetime of battery-powered devices, has emerged as a fundamental challenge in mobile computing and wireless communication. The focus of this lecture is on a systems approach where software techniques exploit state-of-the-art architectural features rather than relying only upon advances in lower-power circuitry or the slow improvements in battery technology to solve the problem. Fortunately, there are many opportunities to i

  7. Antenna technology for advanced mobile communication systems

    Science.gov (United States)

    Rammos, Emmanuel; Roederer, Antoine; Rogard, Roger

    1988-01-01

    The onboard antenna front end is the key subsystem conditioning configuration and performance of mobile communication satellites. The objectives of this paper are to demonstrate this key role and to review L-band satellite antenna technology for earth coverage and regional applications. Multibeam arrays are first discussed, then unfurlable and inflatable reflector antennas are described. These technologies are now qualified in Europe for future mobile systems, for which the optimum choice of antenna technology has been found to be the key to efficient use of spectrum and power resources.

  8. Mobile Agents Systems in Wireless Applications

    Directory of Open Access Journals (Sweden)

    Mihaela Muntean

    2009-06-01

    Full Text Available The paper presents an introduction in the Mobile Agents Systems and describes how this technology can be used in wireless applications. Also it is shown the possibility of securing wireless applications that use mobile agents and distributed computing. Wireless networks are a relatively new technology in the LAN market. With the weak encryption and security defined in the IEEE standards, wireless LANs, when improperly deployed or administered, can provide a significant risk to those economic sectors. These sectors include health-care, government, and banking in particular. Increasingly diverse heterogeneous wireless infrastructures in combination with more narrowly defined roles of parties participating in the delivery of applications to mobile users pose new challenges for support for delivering these applications.

  9. Business process analysis of a foodborne outbreak investigation mobile system

    Science.gov (United States)

    Nowicki, T.; Waszkowski, R.; Saniuk, A.

    2016-08-01

    Epidemiological investigation during an outbreak of food-borne disease requires taking a number of activities carried out in the field. This results in a restriction of access to current data about the epidemic and reducing the possibility of transferring information from the field to headquarters. This problem can be solved by using an appropriate system of mobile devices. The purpose of this paper is to present the IT solution based on the central repository for epidemiological investigations and mobile devices designed for use in the field. Based on such a solution business processes can be properly rebuild in a way to achieve better results in the activities of health inspectors.

  10. A mobile care system with alert mechanism.

    Science.gov (United States)

    Lee, Ren-Guey; Chen, Kuei-Chien; Hsiao, Chun-Chieh; Tseng, Chwan-Lu

    2007-09-01

    Hypertension and arrhythmia are chronic diseases, which can be effectively prevented and controlled only if the physiological parameters of the patient are constantly monitored, along with the full support of the health education and professional medical care. In this paper, a role-based intelligent mobile care system with alert mechanism in chronic care environment is proposed and implemented. The roles in our system include patients, physicians, nurses, and healthcare providers. Each of the roles represents a person that uses a mobile device such as a mobile phone to communicate with the server setup in the care center such that he or she can go around without restrictions. For commercial mobile phones with Bluetooth communication capability attached to chronic patients, we have developed physiological signal recognition algorithms that were implemented and built-in in the mobile phone without affecting its original communication functions. It is thus possible to integrate several front-end mobile care devices with Bluetooth communication capability to extract patients' various physiological parameters [such as blood pressure, pulse, saturation of haemoglobin (SpO2), and electrocardiogram (ECG)], to monitor multiple physiological signals without space limit, and to upload important or abnormal physiological information to healthcare center for storage and analysis or transmit the information to physicians and healthcare providers for further processing. Thus, the physiological signal extraction devices only have to deal with signal extraction and wireless transmission. Since they do not have to do signal processing, their form factor can be further reduced to reach the goal of microminiaturization and power saving. An alert management mechanism has been included in back-end healthcare center to initiate various strategies for automatic emergency alerts after receiving emergency messages or after automatically recognizing emergency messages. Within the time

  11. Remote-controlled vision-guided mobile robot system

    Science.gov (United States)

    Ande, Raymond; Samu, Tayib; Hall, Ernest L.

    1997-09-01

    Automated guided vehicles (AGVs) have many potential applications in manufacturing, medicine, space and defense. The purpose of this paper is to describe exploratory research on the design of the remote controlled emergency stop and vision systems for an autonomous mobile robot. The remote control provides human supervision and emergency stop capabilities for the autonomous vehicle. The vision guidance provides automatic operation. A mobile robot test-bed has been constructed using a golf cart base. The mobile robot (Bearcat) was built for the Association for Unmanned Vehicle Systems (AUVS) 1997 competition. The mobile robot has full speed control with guidance provided by a vision system and an obstacle avoidance system using ultrasonic sensors systems. Vision guidance is accomplished using two CCD cameras with zoom lenses. The vision data is processed by a high speed tracking device, communicating with the computer the X, Y coordinates of blobs along the lane markers. The system also has three emergency stop switches and a remote controlled emergency stop switch that can disable the traction motor and set the brake. Testing of these systems has been done in the lab as well as on an outside test track with positive results that show that at five mph the vehicle can follow a line and at the same time avoid obstacles.

  12. 基于安卓手机的图书馆管理系统设计与实现*%Design and implementation of library management system based on the Android mobile phone

    Institute of Scientific and Technical Information of China (English)

    刘一; 卢琰; 徐小平

    2014-01-01

    根据智能手机的特点设计并实现了一种图书馆管理系统,该系统具有传统计算机图书馆管理系统的功能,更有针对手机的实用功能设计。读者无需携带实体借书证,可使用虚拟借书证进行借阅登记;无需借助条形码扫描仪器与电脑,管理员通过调用手机的摄像头与网络接口即可完成图书入库和图书的借出与归还登记。%According to the characteristics of intelligent mobile phone , a library management system is designed . The library management system not only has the function of traditional one , but also has the functional based on mobile phone . The readers can use virtual library card to borrow the books , without carrying entity library card . By the use of the camera and the network in-terface of mobile phone , the administrator can complete the book entry and book lending and return , without a bar code scanning instrument and computer .

  13. Concept of Intelligent Mechanical Design for Autonomous Mobile Robots

    Institute of Scientific and Technical Information of China (English)

    Amir A. F. Nassiraei; Kazuo Ishii

    2007-01-01

    The concept of Intelligent Mechanical Design (IMD) is presented to show how a mechanical structure can be designed to affect robot controllability, simplification and task performance. Exploring this concept produces landmarks in the territory of mechanical robot design in the form of seven design principles. The design principles, which we call the Mecha-Telligence Principles (MTP), provide guidance on how to design mechanics for autonomous mobile robots. These principles guide us to ask the right questions when investigating issues concerning self-controllable, reliable, feasible, and compatible mechanics for autonomous mobile robots. To show how MTP can be applied in the design process we propose a novel methodology, named as Mecha-Telligence Methodology (MTM). Mechanical design by the proposed methodology is based on preference classification of the robot specification described by interaction of the robot with its environment and the physical parameters of the robot mechatronics. After defining new terms, we investigate the feasibility of the proposed methodology to the mechanical design of an autonomous mobile sewer inspection robot. In this industrial project we show how a passive-active intelligent moving mechanism can be designed using the MTM and employed in the field.

  14. Use of CDMA access technology in mobile satellite systems

    Science.gov (United States)

    Ramasastry, Jay; Wiedeman, Bob

    1995-01-01

    Use of Code Division Multiple Access (CDMA) technology in terrestrial wireless systems is fairly well understood. Similarly, design and operation of Power Control in a CDMA-based system in a terrestrial environment is also well established. Terrestrial multipath characteristics, and optimum design of the CDMA receiver to deal with multipath and fading conditions are reliably established. But the satellite environment is different. When the CDMA technology is adopted to the satellite environment, other design features need to be incorporated (for example; interleaving, open-loop and closed-loop power control design, diversity characteristics) to achieve comparable level of system performance. In fact, the GLOBALSTAR LEO/MSS system has incorporated all these features. Contrary to some published reports, CDMA retains the advantages in the satellite environment that are similar to those achieved in the terrestrial environment. This document gives a description of the CDMA waveform and other design features adopted for mobile satellite applications.

  15. Designing Meaningful Game Experiences for Rehabilitation and Sustainable Mobility Settings

    Directory of Open Access Journals (Sweden)

    Silvia Gabrielli

    2014-03-01

    Full Text Available This paper presents the approach followed in two ongoing research projects aimed to designing meaningful game-based experiences to support home rehabilitation, eco-sustainable mobility goals and more in general better daily lifestyles. We first introduce the need for designing meaningful game-based experiences that are well-connected to the relevant non-game settings and can be customized by/for users, then, we show examples of how this approach can be realized in the rehabilitation and sustainable mobility contexts.

  16. Designing a Miniature Wheel Arrangement for Mobile Robot Platforms

    CERN Document Server

    Kayani, Saheeb Ahmed

    2011-01-01

    In this research report details of design of a miniature wheel arrangement are presented. This miniature wheel arrangement is essentially a direction control mechanism intended for use on a mobile robot platform or base. The design is a specific one employing a stepper motor as actuator and as described can only be used on a certain type of wheeled robots. However as a basic steering control element, more than one of these miniature wheel arrangements can be grouped together to implement more elaborate and intelligent direction control schemes on varying configurations of wheeled mobile robot platforms.

  17. Stress analysis for wall structure in mobile hot cell design

    Energy Technology Data Exchange (ETDEWEB)

    Bahrin, Muhammad Hannan, E-mail: hannan@nuclearmalaysia.gov.my; Rahman, Anwar Abdul, E-mail: anwar@nuclearmalaysia.gov.my; Hamzah, Mohd Arif, E-mail: arif@nuclearmalaysia.gov.my; Mamat, Mohd Rizal; Azman, Azraf; Hasan, Hasni [Prototype and Plant Development Centre, Technical Services Division, Malaysian Nuclear Agency (Malaysia)

    2016-01-22

    Malaysian Nuclear Agency is developing a Mobile Hot Cell (MHC) in order to handle and manage Spent High Activity Radioactive Sources (SHARS) such as teletherapy heads and irradiators. At present, there are only two units of MHC in the world, in South Africa and China. Malaysian Mobile Hot cell is developed by Malaysian Nuclear Agency with the assistance of IAEA expert, based on the design of South Africa and China, but with improved features. Stress analysis has been performed on the design in order to fulfil the safety requirement in operation of MHC. This paper discusses the loading analysis effect from the sand to the MHC wall structure.

  18. Designing mobile learning for children and teenagers living with diabetes

    DEFF Research Database (Denmark)

    Glasemann, Marie

    2016-01-01

    In this dissertation, I conceptualise the design of mobile learning for children and teenagers living with type-1 diabetes. The investigation was conducted as an iterative and participatory design-based process. The insights and implications for design and contextual understanding arise through r...... with diabetes. DIABETES IS AN ART, NOT A SCIENCE. YOU MUST MASTER THE CONTROL BY SKILLS AND NOT BY KNOWLEDGE ALONE.* * Quote from an active user on www.diabetesforums.com......In this dissertation, I conceptualise the design of mobile learning for children and teenagers living with type-1 diabetes. The investigation was conducted as an iterative and participatory design-based process. The insights and implications for design and contextual understanding arise through...... reflective design and by involving the target group. The research examined design participation with a focus on the involvement of youths and an understanding of the youths’ perceptions on using mobile technology for learning about diabetes. Central to the research was a concrete design case divided...

  19. 基于NFC的电费移动支付系统的设计与实现%Design and Implementation of Electricity Charge Mobile Payment System Based on NFC

    Institute of Scientific and Technical Information of China (English)

    2013-01-01

    The traditional electricity charge payment is tedious and time-consuming. Therefore, this paper introduced nearly field communication, mobile terminals, 3G, mobile payment technologies into the electricity charge payment process. It designed and implemented an electricity charge mobile payment system based on NFC to meet the convenient and efficient needs of payment. The whole process of electricity charge payment includes meter reading and payment. The system applied the NFC technology to meters and mobile terminal. Users can use NFC phones to read the data of NFC meter and upload it to the power company for remote meter reading. Then, users can complete payment by with mobile payment technology. Finally, an experiment was designed to test the system functions. The results of the experiment show that the scheme is feasible and easily operated.%  传统的电费付费存在步骤繁琐、费时费力等弊端,将近场通信NFC技术、移动终端、3G、移动支付等技术应用到电费付费过程,设计并实现了一个基于NFC的电费移动支付系统,以满足方便快捷的电费付费需求。电费付费包括抄表和支付两个步骤。该系统将NFC技术应用到电表和手机终端,由用户使用NFC手机读取NFC电表数据并上传到电力公司来实现远程抄表过程,并结合移动支付技术实现支付过程。最后,设计了实验对系统功能进行了测试,结果表明方案可行、易操作。

  20. Microelectronic circuit design for energy harvesting systems

    CERN Document Server

    Di Paolo Emilio, Maurizio

    2017-01-01

    This book describes the design of microelectronic circuits for energy harvesting, broadband energy conversion, new methods and technologies for energy conversion. The author also discusses the design of power management circuits and the implementation of voltage regulators. Coverage includes advanced methods in low and high power electronics, as well as principles of micro-scale design based on piezoelectric, electromagnetic and thermoelectric technologies with control and conditioning circuit design. Provides a single-source reference to energy harvesting and its applications; Serves as a practical guide to microelectronics design for energy harvesting, with application to mobile power supplies; Enables readers to develop energy harvesting systems for wearable/mobile electronics.

  1. Structural System Design of Mobile Satellite Communication System Vehicular Station Based on SUV Platform%某SUV平台动中通结构总体设计探讨

    Institute of Scientific and Technical Information of China (English)

    白旭东

    2011-01-01

    介绍了某运动型多功能车(Sport Utility Vehicle,SUV)平台动中通的结构总体设计。针对SUV平台的特点,结合系统使用要求,选择了中轮廓动中通天线和取力发电的供电方式,通过对设备分类布局来提高空间利用率的方法解决了载车空间小、上装设备多的问题。从人机工程的角度探讨了在行驶状态下操作的舒适性,并给出了设备机架的限制高度。阐述了上装设备采取的抗振设计考虑。对系统的整车载荷及行驶稳定性进行了分析计算。在满足系统使用要求的同时保持了原车的优越性能,使载车完整性、安全性、可靠性和舒适性最大化,实现了人机环境的和谐。%This paper introduces the structural system design of a mobile satellite communication system vehicular station based on SUV platform.According to the characteristics of SUV platform and the using requirements of system,medium contour antenna and engine driven generator system are selected.The problem of"many facilities in small space" is well solved through classifying facilities to improve space using efficiency.From the viewpoint of ergonomics,operating comfortableness under running condition is discussed and the height limit of rack is presented.Furthermore,the anti-vibration design of facilities are described,the traveling stability and the load of vehicular station are analyzed and calculated.The design retains the superior performance of SUV while satisfying the system requirements,thus maximizing the integrity,safety,reliability,comfortableness of the vehicle,realizing a harmonious human-machine environment.

  2. The human-computer interaction design of self-operated mobile telemedicine devices

    OpenAIRE

    Zheng, Shaoqing

    2015-01-01

    Human-computer interaction (HCI) is an important issue in the area of medicine, for example, the operation of surgical simulators, virtual rehabilitation systems, telemedicine treatments, and so on. In this thesis, the human-computer interaction of a self-operated mobile telemedicine device is designed. The mobile telemedicine device (i.e. intelligent Medication Box or iMedBox) is used for remotely monitoring patient health and activity information such as ECG (electrocardiogram) signals, hom...

  3. Mobile Social Net work--Research and Implementation of Mobile Twitter System

    Institute of Scientific and Technical Information of China (English)

    Wang Haishuai; Wang Sen

    2012-01-01

      This paper researched and analyzedweb2.0 technology and mobile social network.Then researched and implemented the mobile twitter system. This paper introduces the function and modules of mobile client and PC server respectively. We also had the user experience and system test which are wrote in this paper.

  4. Design and Implementation of Poultry House Environment Monitoring System Applied to Mobile Terminal%应用于移动终端的禽舍环境监控系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    孙凯; 柳平增; 李惠敏; 殷若新; 连京华

    2014-01-01

    With the rapid development of mobile communication and mobile terminal technology , smart mobile terminal has become the common carry -on tool of getting on the net in people’s lives.Applying poultry house environment monitoring system , designed and developed on the basis of Internet of Things , to mobile terminal can realize real-time monitoring on poultry farming environment , and then complete remote control of related equipments based on the monitoring data combined with poultry growth and development rules .This system can improve modern and intelligent management level of poultry production and achieve the aims of in -tensive , healthy , productive , efficient and energy -saving .%随着移动通信技术和移动终端技术的快速发展,智能移动终端已普遍成为人们生活中随身携带的上网工具。基于物联网技术设计开发的禽舍环境监控系统,应用于移动终端,即可实现对家禽养殖环境随时随地实时监测,进而根据监测数据并结合家禽生长发育规律远程控制相关设备,提高家禽生产的现代化、智能化管理水平,达到集约、健康、高产、高效、节能的目的。

  5. NKS MOMS. Final report. [Mobile Measurement Systems

    Energy Technology Data Exchange (ETDEWEB)

    Nilssen, J. [Norwegian Radiation Protection Authority (NRPA) (Norway); Aage, H.K. [Danish Emergency Management Agency (DEMA) (Denmark); Palsson, S.E. [Icelandic Radiation Safety Authority (IRSA) (Iceland)

    2013-02-15

    Mobile car-borne measurement systems are an important asset in early phase emergency response in all Nordic countries. However, through the development of the systems in the different countries, there are considerable differences between the systems developed. This complicates Nordic cooperation and mutual assistance in emergency situations. This project aimed to facilitate harmonization of mobile measurement systems between the Nordic countries. The project focused on harmonizing data formats, information exchange and measurement strategies. Although the work done was funded by each member, the project established a good platform for cooperation which will hopefully continue beyond the scope of the project. A two-day seminar was held in May 2012, where all participants presented the current status (equipment, methods used etc.), in addition to invited speakers presenting development within the field of mobile detection and in situ measurements. Exchange of experiences and information on different measurement systems and practises in use was an important part of the seminar. The seminar was followed up by a small workshop during the REFOX exercise in Lund, Sweden, September 2012. Exchange of measurement data from the exercise was facilitated through a workspace proveded by NRPA as part of the MOMS project. The work done in this project will be presented at the NordEx12 seminar in March 2013. (Author)

  6. Security System for Mobile Voting with Biometrics

    Directory of Open Access Journals (Sweden)

    Laurentiu Marinescu

    2015-09-01

    Full Text Available For centuries, voting has been a democratic right and way to choose our politicians. Nowadays, the voting process became a major issue in order to avoid crucial vulnerabilities like multiple voting, missing ballot papers, electoral fraud and miscount votes in an election. To prevent those leaks in our current voting system and to improve other factors like time-consuming and reducing cost of resources, I decided to implement a secured mobile voting system on android.In today’s era, the number of people that possess a smart-phone is larger and larger and also the advanced stage of technology can concur to a reliable solution for voting.The architecture of this system will contain the mobile application that need to be installed on a mobile device, also will contain a server to compute multiple operations (face detection, face recognition and matching the face with the existing ones, matching unique id of the smart-phone with the one stored in database based on user personal identification number and a server database. Firstly, an introduction about the subject and system is presented. Problem formulation will contain a research about this topic. Solution of the problem is presented in four subsections: architecture of the system, implementation, face recognition verifier and other solutions.

  7. Towards a mobile tourist information system

    DEFF Research Database (Denmark)

    Møller-Jensen, Lasse; Hansen, Jens Egler

    A gps-enabled GIS acting as a mobile traveller information system is described. In general terms the objective of the system is to present attribute information of the surroundings to a traveller in motion. It is done auto­matically and in accordance with the speed and direction taken relative...... to objects represented in the GIS. The system specification is based on the assumption that the user does not handle the system interactively by clicking on the map (e.g. because he or she is engaged in driving) and furthermore that a stream of relevant information about the surroundings - adapting...

  8. Design of Contactless Mobile Power Supply System Based on Class E-power Amplifier%基于E类功放非接触式移动电源供电系统设计

    Institute of Scientific and Technical Information of China (English)

    方润; 崔佳冬; 孙珂; 沙鑫宽; 陈辉

    2015-01-01

    为摆脱掉移动电源的数据线束缚,提出了一种基于E类功放的非接触式移动电源供电系统.将移动电源的电压升压后供给E类功放,可分离变压器根据高频电磁耦合原理将能量大范围扩散,同频振动的接收端进行磁电转换,电能调整后给电子设备充电. E类拓扑能够实现能量的最大传输,可以实现高效率的非接触式移动电源供电. 利用线圈自身的分布电容构成自谐振增加2个共振环节实现高频电磁耦合,用户不需要使电子设备与充电装置完全正对. 对两者的工作原理进行分析,制作一个移动电源的供电系统样机,通过实验结果验证该系统的设计.%A contactless mobile power supply system based on class E-power amplifier is proposed to get rid of data cable of mobile power.Traditional wireless charger uses electromagnetic induction principle,implements QI standard,with short distance of wireless energy transmission and low efficiency.The design boosts mobile power voltage for class E-power amplifier, then the detachable transformer spreads energy far and wide according to magnetic resonance principle, the receiving end of the same frequency vibration transforms magnetic and electric,finally the electricity charges electronic devices.Class E-topology can achieve maximum transmission of energy and high-efficiency supply of contactless mobile power.Adding 2 resonance link to achieve magnetic resonance by using distributed capacitance of the coil itself,users do not need to make the electronic device completely right to the charging device.Analyzing the two work principles, we make a prototype of the mobile power supply system,and verify the design by experiment results.

  9. 基于Andriod终端的公安移动导航单兵作战系统设计%Design of Police Mobile Navigation Soldier Combat System based on Andriod Terminal

    Institute of Scientific and Technical Information of China (English)

    刘丹; 李刚; 田银枝; 曹红杰

    2014-01-01

    This system is a comprehensive application software of the terminal design and development of Android with a set of RS, GPS, GIS technology. The system researchs main complex mobile police terminal and the network environment. The system focuses on the platform of mobile terminal and the public security network data exchange and information sharing, the data access process which the position information of the mobile terminal returns to public security network database server, the destination navigation application of combination of mobile terminal map function and public security work. The system consists of terminal individual software, GouWork service interface, information sharing platform, background business system and the background management system. The system uses SOCKET and TCP/IP technology to ensure the message real-time transmission in the 3G network environment, uses WebServices technology to achieve functions of information sharing and transmission, interface and data distribution. The paper concludes the using system situation of the public security departments and problems.%本系统是基于Android终端设计开发的一个集RS,GPS,GIS于一体的综合应用软件,以移动警务终端和公安网复杂的网络环境为主要研究对象,着重研究了移动终端与公安网内平台进行数据交互和信息共享过程、移动终端位置信息回传公安网后台数据库服务器的数据存取过程,以及移动终端地图导航功能与公安业务结合的案件目的地导航应用。系统由终端单兵软件、GouWork服务接口、信息共享平台、后台业务系统及后台管理系统几大部分组成,采用SOCKET和TCP/IP技术保证消息在3G网络环境下的实时高效传递,采用WebServices服务技术实现信息共享传递、接口调用和数据分发等功能。最后总结了在实际公安部门使用的情况和需要解决的问题。

  10. Development of a mobile teledermatology system.

    Science.gov (United States)

    Berndt, Rolf-Dietrich; Takenga, Mbusa Claude; Kuehn, Sebastian; Preik, Petra; Dubbermann, Daniel; Juenger, Michael

    2012-11-01

    The increasing number of elderly and chronically ill patients is currently stressing healthcare systems. One of the solutions for reaching an economically and socially viable solution is exploiting the benefits of modern technologies. This article presents an innovative mobile teledermatology program for assisting both the therapy and the aftercare of patients suffering from skin diseases. The system is based on store-and-forward teledermatology and consists of two main components: (1) an application implemented on the mobile phone in order to enable patients to transmit both skin image data and biofeedback information and (2) an online portal for the care providers. The key idea is to ensure a sufficient involvement of the patients in the therapy process and to motivate them through their active cooperation. Smartphone applications with features as well as the online Web-based portal for medical care providers are presented. The entire system is embedded on a secure telematics platform. The system was tested at the Clinic for Skin Diseases of the University of Greifswald, Greifswald, Germany, by patients with skin diseases such as ulcus cruris, postoperative wound documentation, eczema, psoriasis, and pemphigus for a period of 1 year. Medical care providers could also analyze patients' data from the developed online Web-based application during that test period. Positive feedback from both medical care providers and patients confirms a high potential for mobile teledermatology as a means of dermatological healthcare delivery.

  11. Mobile Web for Pervasive environments - design webexperiences for multiple mobile devices

    DEFF Research Database (Denmark)

    Hansen, Thomas Riisgaard

    2008-01-01

    In this paper we present an architecture for designing web pages that uses multiple mobile and stationary devices to present web content. The architecture extends standard web technology with a number of functions for expressing how web content might migrate and use multiple displays...

  12. A framework for robust mobile robot systems

    Science.gov (United States)

    Melchior, Nik A.; Smart, William D.

    2004-12-01

    Fielded mobile robot systems will inevitably suffer hardware and software failures. Failures in a single subsystem can often disable the entire robot, especially if the controlling application does not consider such failures. Often simple measures, such as a software restart or the use of a secondary sensor, can solve the problem. However, these fixes must generally be applied by a human expert, who might not be present in the field. In this paper, we describe a recovery-oriented framework for mobile robot applications which addresses this problem in two ways. First, fault isolation automatically provides graceful degradation of the overall system as individual software and hardware components fail. In addition, subsystems are monitored for known failure modes or aberrant behavior. The framework responds to detected or immanent failures by restarting or replacing the suspect component in a manner transparent to the application programmer and the robot's operator.

  13. Front end design of smartphone-based mobile health

    Science.gov (United States)

    Zhang, Changfan; He, Lingsong; Gao, Zhiqiang; Ling, Cong; Du, Jianhao

    2015-02-01

    Mobile health has been a new trend all over the world with the rapid development of intelligent terminals and mobile internet. It can help patients monitor health in-house and is convenient for doctors to diagnose remotely. Smart-phone-based mobile health has big advantages in cost and data sharing. Front end design of it mainly focuses on two points: one is implementation of medical sensors aimed at measuring kinds of medical signal; another is acquisition of medical signal from sensors to smart phone. In this paper, the above two aspects were both discussed. First, medical sensor implementation was proposed to refer to mature measurement solutions with ECG (electrocardiograph) sensor design taken for example. And integrated chip using can simplify design. Then second, typical data acquisition architecture of smart phones, namely Bluetooth and MIC (microphone)-based architecture, were compared. Bluetooth architecture should be equipped with an acquisition card; MIC design uses sound card of smart phone instead. Smartphone-based virtual instrument app design corresponding to above acquisition architecture was discussed. In experiments, Bluetooth and MIC architecture were used to acquire blood pressure and ECG data respectively. The results showed that Bluetooth design can guarantee high accuracy during the acquisition and transmission process, and MIC design is competitive because of low cost and convenience.

  14. An indoor positioning technology in the BLE mobile payment system

    Science.gov (United States)

    Han, Tiantian; Ding, Lei

    2017-05-01

    Mobile payment system for large supermarkets, the core function is through the BLE low-power Bluetooth technology to achieve the amount of payment in the mobile payment system, can through an indoor positioning technology to achieve value-added services. The technology by collecting Bluetooth RSSI, the fingerprint database of sampling points corresponding is established. To get Bluetooth module RSSI by the AP. Then, to use k-Nearest Neighbor match the value of the fingerprint database. Thereby, to help businesses find customers through the mall location, combined settlement amount of the customer's purchase of goods, to analyze customer's behavior. When the system collect signal strength, the distribution of the sampling points of RSSI is analyzed and the value is filtered. The system, used in the laboratory is designed to demonstrate the feasibility.

  15. Design of Hybrid Mobile Communication Networks for Planetary Exploration

    Science.gov (United States)

    Alena, Richard L.; Ossenfort, John; Lee, Charles; Walker, Edward; Stone, Thom

    2004-01-01

    The Mobile Exploration System Project (MEX) at NASA Ames Research Center has been conducting studies into hybrid communication networks for future planetary missions. These networks consist of space-based communication assets connected to ground-based Internets and planetary surface-based mobile wireless networks. These hybrid mobile networks have been deployed in rugged field locations in the American desert and the Canadian arctic for support of science and simulation activities on at least six occasions. This work has been conducted over the past five years resulting in evolving architectural complexity, improved component characteristics and better analysis and test methods. A rich set of data and techniques have resulted from the development and field testing of the communication network during field expeditions such as the Haughton Mars Project and NASA Mobile Agents Project.

  16. Sliders Versus Storyboards - Investigating Interaction Design for Mobile Video Browsing

    NARCIS (Netherlands)

    Hürst, Wolfgang; Hoet, Miklas

    2015-01-01

    We present a comparative study of two different interfaces for mobile video browsing on tablet devices following two basic concepts - storyboard designs representing a video’s content in a grid-like arrangement of static images extracted from the file, and slider interfaces enabling users to interac

  17. Designing Technology for Content-Independent Collaborative Mobile Learning

    Science.gov (United States)

    Boticki, I.; Wong, Lung Hsiang; Looi, Chee-Kit

    2013-01-01

    This paper describes the design of a technology platform for supporting content-independent collaborative mobile learning in the classroom. The technical architecture provides mechanisms for assigning different content or materials to students and then guiding them to form groups with other students in which the combination and integration of…

  18. Screen Time: Alumni Magazines Have Their Designs on Mobile Devices

    Science.gov (United States)

    Walker, Theresa

    2011-01-01

    Alumni magazines have their designs on mobile devices. The efforts are tied together, no matter the platform, by a desire for the magazine to be where its readers are and a spirit of experimentation that is akin to what is happening with social media. None of the magazine editors went into this process with any numerical expectations for…

  19. PIPEBOT: a mobile system for duct inspection

    Energy Technology Data Exchange (ETDEWEB)

    Estrada, Emanuel; Goncalves, Eder Mateus; Botelho, Silvia; Oliveira, Vinicius; Souto Junior, Humberto; Almeida, Renan de; Mello Junior, Claudio; Santos, Thiago [Universidade Federal do Rio Grande (FURG), RS (Brazil); Gulles, Roger [Universidade Tecnologica Federal do Parana (UTFPR), Curitiba, PR (Brazil)

    2009-07-01

    In this paper, it is presented the development of an innovative and low-cost robotic mobile system to be employed in inspection of pipes. The system is composed of a robot with different sensors which permit to move inside pipes and detect faults as well as incipient faults. The robot is a semiautonomous one, i.e. it can navigate by human tele operation or autonomously one. The autonomous mode uses computer vision techniques and signals from position sensor of the robot to navigating and localizing it. It is showed the mechanical structure of the robot, the overall architecture of the system and preliminary results. (author)

  20. The Challenges of Designing Digital Services for Multiple Mobile Platforms

    DEFF Research Database (Denmark)

    Ghazawneh, Ahmad

    2016-01-01

    to tap into and join the digital ecosystem. However, while there is an emerging literature on designing digital services, little empirical evidence exists about challenges faced by third-party developers while designing digital services, and in particular for multiple mobile platforms. Drawing......The value of digital services is increasingly recognized by owners of digital platforms. These services have central role in building and sustaining the business of the digital platform. In order to sustain the design of digital services, owners of digital platforms encourage third-party developers...... on a multiple case study of three mobile application development firms from Sweden, Denmark and Norway, we synthesize the digital service design taxonomy to understand the challenges faced by third-party developers. Our study identifies a set of challenges in four different levels: user level, platform level...

  1. Have You Heard This? Designing Mobile Social Software

    Directory of Open Access Journals (Sweden)

    Jørn Georg Sannes Knutsen

    2010-07-01

    Full Text Available ‘Desktop’ social networking services are migrating to mobile devices. Research into the design of mobile social software (MoSoSo, especially its communication design, is emerging. The case we present is from a collaborative, interdisciplinary research project into communicative design innovation concerning these technologies. In focus is the design of what we label the communicative prototype for an interaction and media centred view of social software development. This view is applied to an exploratory design research case that extends an established online social service to the iPhone/iPod platform. The conceptual design in the case is intended to enable the discovery of independent, non-commercial music. The projected service was developed in consultation with a national public service broadcaster. We frame the design and analysis within a sociocultural approach to mediated communication and research by design. We employ mixed methods both in design and in research. We argue that a communicative stance in early concept development offers valuable insights on the ongoing design of social software. The communication expertise of interaction designers is central to this.

  2. Hybrid Control Design for a Wheeled Mobile Robot

    DEFF Research Database (Denmark)

    Bak, Thomas; Bendtsen, Jan Dimon; Ravn, Anders Peter

    We present a hybrid systems solution to the problem of trajectory tracking for a four-wheel steered four-wheel driven mobile robot. The robot is modelled as a non-holonomic dynamic system subject to pure rolling, no-slip constraints. Under normal driving conditions, a nonlinear trajectory tracking...

  3. Control system design guide

    Energy Technology Data Exchange (ETDEWEB)

    Sellers, David; Friedman, Hannah; Haasl, Tudi; Bourassa, Norman; Piette, Mary Ann

    2003-05-01

    The ''Control System Design Guide'' (Design Guide) provides methods and recommendations for the control system design process and control point selection and installation. Control systems are often the most problematic system in a building. A good design process that takes into account maintenance, operation, and commissioning can lead to a smoothly operating and efficient building. To this end, the Design Guide provides a toolbox of templates for improving control system design and specification. HVAC designers are the primary audience for the Design Guide. The control design process it presents will help produce well-designed control systems that achieve efficient and robust operation. The spreadsheet examples for control valve schedules, damper schedules, and points lists can streamline the use of the control system design concepts set forth in the Design Guide by providing convenient starting points from which designers can build. Although each reader brings their own unique questions to the text, the Design Guide contains information that designers, commissioning providers, operators, and owners will find useful.

  4. Design and Implementation of the System of Image Retrieval Based on Mobile Cloud Computing%一种移动云计算技术的图像检索系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    胡山泉; 李沧海; 刘耀辉

    2011-01-01

    随着3G应用和发展,3G的应用进入越来越多的应用领域.本论文描述了一个基于3G移动计算技术进行图像检索系统的设计过程,该设计原理和技术可以广泛应用与图像检索的领域.%With the development and application of 3G, the application of 3G has been into more and more application fields. This thesis described a design process for the system of image retrieval based on 3G mobile computing, and the design theory and technology can be widely used in the field of image retrieval.

  5. An Integrated Learning Management System for Location-Based Mobile Learning

    Science.gov (United States)

    Sailer, Christian; Kiefer, Peter; Raubal, Martin

    2015-01-01

    This paper discusses the relevance and challenges of a location-based learning platform that supports mobile learning in education. We present the design of an integrated management system for location-based mobile learning. Independent of the taught subject, the objective of the system is an easy-to-understand user interface for both - teachers…

  6. Some Novel Design Principles for Collective Behaviors in Mobile Robots

    Energy Technology Data Exchange (ETDEWEB)

    OSBOURN, GORDON C.

    2002-09-01

    We present a set of novel design principles to aid in the development of complex collective behaviors in fleets of mobile robots. The key elements are: the use of a graph algorithm that we have created, with certain proven properties, that guarantee scalable local communications for fleets of arbitrary size; the use of artificial forces to simplify the design of motion control; the use of certain proximity values in the graph algorithm to simplify the sharing of robust navigation and sensor information among the robots. We describe these design elements and present a computer simulation that illustrates the behaviors readily achievable with these design tools.

  7. System Integration for Real-time Mobile Manipulation

    Directory of Open Access Journals (Sweden)

    Reza Oftadeh

    2014-03-01

    Full Text Available Mobile manipulators are one of the most complicated types of mechatronics systems. The performance of these robots in performing complex manipulation tasks is highly correlated with the synchronization and integration of their low-level components. This paper discusses in detail the mechatronics design of a four wheel steered mobile manipulator. It presents the manipulator ’s mechanical structure and electrical interfaces, designs low-level software architecture based on embedded PC-based controls, and proposes a systematic solution based on code generation products of MATLAB and Simulink. The remote development environment described here is used to develop real-time controller software and modules for the mobile manipulator under a POSIX-compliant, real-time Linux operating system. Our approach enables developers to reliably design controller modules that meet the hard real-time constraints of the entire low-level system architecture. Moreover, it provides a systematic framework for the development and integration of hardware devices with various communication mediums and protocols, which facilitates the development and integration process of the software controller.

  8. Design and Implementation Based on Mobile GIS in Cultural Relics Information Collection System%基于移动GIS的文物信息采集系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    郑仁高; 恰汗·合孜尔

    2013-01-01

    许多文物及其生存环境受到严重威胁,迫切需要对现有文物进行普查.从传统的文物信息采集存在的问题出发,结合移动GIS在数据采集中的应用优势,分析了文物信息采集系统的需求,对移动端设备、系统架构和系统功能模块进行了设计.有效地实现了文物空间信息和属性信息的快速采集,达到了提高文物信息采集作业效率和采集数据快速入库的目的.%Many cultural relics and their survival environments are threatened, it is urgent needs census for the existing cultural relics. Began with the existing problems in cultural relics information collection, combined with the advantages of mobile GIS in data collection, the needs in cultural relics information system are analyzed, the system architecture, mobile terminal equipment and system function module are designed. Effectively realized information collection in spatial information and attribute information of a relic, the purposes of advancing the efficiency of cultural relics information collection and importing collection data to database fast are realized.

  9. Design and Application of the Campus Mobile Phone One Card System Based on NFC Technology%基于NFC技术的校园手机一卡通系统设计及应用

    Institute of Scientific and Technical Information of China (English)

    周燕; 宋璇; 熊博磊

    2015-01-01

    针对传统卡片式校园一卡通系统缺乏人机交互功能,提出基于NFC技术的校园手机一卡通系统。首先,设计由校园一卡通应用平台、校园一卡通管理平台以及运营商/银行服务平台组成的三层网络结构;其次,为防止传输数据被窃听或篡改,设计NFC安全通信的加密方案;最后,针对校园的使用环境以及NFC技术的不同工作模式,介绍校园手机一卡通的三个典型应用子系统:移动支付子系统、身份认证子系统及数字图书馆子系统。同时,分析NFC校园手机一卡通的技术特点及优势,并为建设数字化智能校园提供一种新思路。%In view of the lack of human-computer interaction function in traditional campus one card system, a campus mobile phone one card system based on NFC technology is proposed in this paper. Firstly,the network structure is designed as three layers,including the application platform,the management platform and the operator/bank service platform. Secondly,in order to prevent the data transmitted from being eavesdropped or tampered,the NFC encryption scheme is designed for secure communication. Finally,for the campus environment and the different working modes of NFC technology,here three typical application subsystems of the campus mobile phone one card system are introduced,including the subsystems of mobile payment,the identity authentication and the book reading. At the same time,this article summarizes the characteristics and advantages of the NFC mobile phone campus one card techniques. Furthermore,this paper provides a new way for the construction of digital intelligent campus.

  10. 智能手机环境下的英语语法移动学习系统设计与实现%Intelligent mobile phone environment English mobile learning system design and Implementation

    Institute of Scientific and Technical Information of China (English)

    阮宇; 马亚蕾

    2014-01-01

    With the continuous development of intelligent mobile phone,mobile learning is becoming more widely,mobile learning how to use intelligent mobile phone in English grammar,this is a topic worthy of study.It will be a lot of idle time to use,thus prolonging the students English grammar learning time to a large extent,improve the efficiency and effectiveness of learning English grammar.%随着智能手机的不断发展,移动学习也变得更加广泛,如何利用智能手机实现英语语法的移动学习,这是一个值得研究的课题。它能将很多闲散的时间利用起来,从而在很大程度上延长学生英语语法学习的时间,提高英语语法学习效率和效果。

  11. A Prototype of Reflection Pulse Oximeter Designed for Mobile Healthcare.

    Science.gov (United States)

    Lu, Zhiyuan; Chen, Xiang; Dong, Zhongfei; Zhao, Zhangyan; Zhang, Xu

    2016-09-01

    This paper introduces a pulse oximeter prototype designed for mobile healthcare. In this prototype, a reflection pulse oximeter is embedded into the back cover of a smart handheld device to offer the convenient measurement of both heart rate (HR) and SpO2 (estimation of arterial oxygen saturation) for home or mobile applications. Novel and miniaturized circuit modules including a chopper network and a filtering amplifier were designed to overcome the influence of ambient light and interferences that are caused by embedding the sensor into a flat cover. A method based on adaptive trough detection for improved HR and SpO2 estimation is proposed with appropriate simplification for its implementation on mobile devices. A fast and effective photoplethysmogram validation scheme is also proposed. Clinical experiments have been carried out to calibrate and test our oximeter. Our prototype oximeter can achieve comparable performance to a clinical oximeter with no significant difference revealed by paired t -tests ( p = 0.182 for SpO2 measurement and p = 0.496 for HR measurement). The design of this pulse oximeter will facilitate fast and convenient measurement of SpO2 for mobile healthcare.

  12. Smart Mobility – Encouraging sustainable mobility behaviour by designing and implementing policies with citizen involvement

    Directory of Open Access Journals (Sweden)

    Edith Maier

    2012-10-01

    Full Text Available The paper discusses the theoretical concepts, design considerations and preliminary findings from Smart Mobility, a research project currently being undertaken with the City of St. Gallen. The project aims at designing measures to encourage the increased use of public and non-motorised transport by integrating behavioural economic principles into public policy. The extensive involvement of citizens and their participation in the design of the measures are to support their democratic legitimization and later acceptance. The paper describes the energy policies behind the project and outlines the theoretical framework for integrating behavioural insights into public policy. The strategies envisaged include participatory instruments and methods, especially the use of existing social media channels, capitalizing on social processes and norms to increase the motivation of individuals to use public transport, creating an open innovation space by means of crowdsourcing as well as the proper framing of political communication to achieve changes in mobility patterns.

  13. Personalized Mobile System Application: A Case Study

    Directory of Open Access Journals (Sweden)

    Sternly K. Simon

    2012-01-01

    Full Text Available This paper presents an overview of the components, approaches and techniques which are used to build a mobile phone- application that uses short messaging service (SMS text messages to improve interaction, information distribution and communication of stakeholders in a university setting. The proposed application is built upon a multiple compatible mobile phone menu-based subscription management application that is also customizable.  Since SMS has the potential to fill significant connectivity and service gaps, this application can provide support for them to become more ubiquitous. Event-based approach towards context-aware personalized notification service is adopted, i.e. user will receive relevant immediate SMS to his/her mobile phone based on his/her subscription for preferred notifications. A trigger enables event management system to send out (semi- automated personalized notification. Notification services that understand the context within which their users operate, i.e. identity, activity and time are derived based on a set of predetermined rules. This will benefit the stakeholders in terms of getting up-to-date notifications via the delivery system which implements SysMan TellMe V8.04 as the delivery protocol and SMS server.

  14. Machine learning techniques for energy optimization in mobile embedded systems

    Science.gov (United States)

    Donohoo, Brad Kyoshi

    Mobile smartphones and other portable battery operated embedded systems (PDAs, tablets) are pervasive computing devices that have emerged in recent years as essential instruments for communication, business, and social interactions. While performance, capabilities, and design are all important considerations when purchasing a mobile device, a long battery lifetime is one of the most desirable attributes. Battery technology and capacity has improved over the years, but it still cannot keep pace with the power consumption demands of today's mobile devices. This key limiter has led to a strong research emphasis on extending battery lifetime by minimizing energy consumption, primarily using software optimizations. This thesis presents two strategies that attempt to optimize mobile device energy consumption with negligible impact on user perception and quality of service (QoS). The first strategy proposes an application and user interaction aware middleware framework that takes advantage of user idle time between interaction events of the foreground application to optimize CPU and screen backlight energy consumption. The framework dynamically classifies mobile device applications based on their received interaction patterns, then invokes a number of different power management algorithms to adjust processor frequency and screen backlight levels accordingly. The second strategy proposes the usage of machine learning techniques to learn a user's mobile device usage pattern pertaining to spatiotemporal and device contexts, and then predict energy-optimal data and location interface configurations. By learning where and when a mobile device user uses certain power-hungry interfaces (3G, WiFi, and GPS), the techniques, which include variants of linear discriminant analysis, linear logistic regression, non-linear logistic regression, and k-nearest neighbor, are able to dynamically turn off unnecessary interfaces at runtime in order to save energy.

  15. Human-Centered Design Study: Enhancing the Usability of a Mobile Phone App in an Integrated Falls Risk Detection System for Use by Older Adult Users.

    Science.gov (United States)

    Harte, Richard; Quinlan, Leo R; Glynn, Liam; Rodríguez-Molinero, Alejandro; Baker, Paul Ma; Scharf, Thomas; ÓLaighin, Gearóid

    2017-05-30

    Design processes such as human-centered design (HCD), which involve the end user throughout the product development and testing process, can be crucial in ensuring that the product meets the needs and capabilities of the user, particularly in terms of safety and user experience. The structured and iterative nature of HCD can often conflict with the necessary rapid product development life-cycles associated with the competitive connected health industry. The aim of this study was to apply a structured HCD methodology to the development of a smartphone app that was to be used within a connected health fall risk detection system. Our methodology utilizes so called discount usability engineering techniques to minimize the burden on resources during development and maintain a rapid pace of development. This study will provide prospective designers a detailed description of the application of a HCD methodology. A 3-phase methodology was applied. In the first phase, a descriptive "use case" was developed by the system designers and analyzed by both expert stakeholders and end users. The use case described the use of the app and how various actors would interact with it and in what context. A working app prototype and a user manual were then developed based on this feedback and were subjected to a rigorous usability inspection. Further changes were made both to the interface and support documentation. The now advanced prototype was exposed to user testing by end users where further design recommendations were made. With combined expert and end-user analysis of a comprehensive use case having originally identified 21 problems with the system interface, we have only seen and observed 3 of these problems in user testing, implying that 18 problems were eliminated between phase 1 and 3. Satisfactory ratings were obtained during validation testing by both experts and end users, and final testing by users shows the system requires low mental, physical, and temporal demands

  16. 国土“一张图”移动系统的设计与实现%The Design and Implement of Land 'One Map' Mobile System

    Institute of Scientific and Technical Information of China (English)

    钟远军; 李照; 林澍哲; 黎慧斌

    2015-01-01

    This paper discusses key technology of geographic information application on the mobile device in accordance with the application of mobile GIS in land management by applying the geographic information oriented thoughts. It summarizes the general mobile geographic information application mode based on “SOA + offline map” which relies on service oriented common platform of geographic information and demonstrates mobile map application of cross-platform.%针对移动GIS在国土管理上的应用,运用面向地理信息服务的思想,探讨移动终端地理信息应用的关键技术,总结基于“SOA+离线地图”的移动终端通用地理信息应用模式,并以服务型地理信息公共平台为依托,实现跨平台的移动地图应用。

  17. Designing and remotely testing mobile diabetes video games.

    Science.gov (United States)

    DeShazo, Jonathan; Harris, Lynne; Turner, Anne; Pratt, Wanda

    2010-01-01

    We have investigated game design and usability for three mobile phone video games designed to deliver diabetes education. The games were refined using focus groups. Six people with diabetes participated in the first focus group and five in the second. Following the focus groups, we incorporated the new findings into the game design, and then conducted a field test to evaluate the games in the context in which they would actually be used. Data were collected remotely about game usage by eight people with diabetes. The testers averaged 45 seconds per question and answered an average of 50 total nutrition questions each. They self-reported playing the game for 10-30 min, which coincided with the measured metrics of the game. Mobile games may represent a promising new way to engage the user and deliver relevant educational content.

  18. 基于手机控制的智能家居系统研究与设计%The Research and Design of An Aptitude Home Control System Based on Mobile Phone

    Institute of Scientific and Technical Information of China (English)

    杜守理; 徐杨

    2012-01-01

    This paper study of using mobile phones as a remote controller, the control of the intelligent home appliances use Blue- tooth technology based on embedded control system. This system uses ARM 11 as the background service and controller, the client program based on mobile Bluetooth J2ME Programming. A detailed description of the background services and the building process of controller; Bluetooth phones, controller and intelligent home appliance system structure, designs and achieves J2ME Bluetooth remote communication, including video camera control based on CGI control technology, Bluetooth video transmission based on L2CAP com- munication protocol, the measurement and control of all kinds of sensors, etc. Test results show that the system fit with function with design requirements, is able to realize the Bluetooth control intelligent home appliances.%本文研究以手机作为遥控器,采用蓝牙技术控制智能家电的嵌入式控制系统。本系统以ARM11作为后台服务和控制器,前台客户端程序基于手机蓝牙J2ME技术,研究了后台服务和控制器搭建过程以及蓝牙手机、控制器和智能家电体系结构,设计和实现了J2ME蓝牙远程通讯,包括CGI视频摄像头控制、基于L2CAP协议的蓝牙视频传输、各类传感器测控等方面。测试结果表明,系统功能符合设计要求,能够实现蓝牙控制智能家电。

  19. A Mobile Application for Smart House Remote Control System

    CERN Document Server

    Rajabzadeh, Amir; Jahromi, Zahra Forootan

    2010-01-01

    At the start of the second decade of 21th century, the time has come to make the Smart Houses a reality for regular use. The different parts of a Smart House are researched but there are still distances from an applicable system, using the modern technology. In this paper we present an overview of the Smart House subsystems necessary for controlling the house using a mobile application efficiently and securely. The sequence diagram of the mobile application connecting to the server application and also the use-cases possible are presented. The challenges faced in designing the mobile application and illustrating the updated house top plane view in that application, are discussed and solutions are adapted for it. Finally the designed mobile application was implemented and the important sections of it were described, such as the interactive house top view map which indicates the status of the devices using predefined icons. The facilities to manage the scheduled tasks and defined rules are also implemented in t...

  20. [A Maternal Health Care System Based on Mobile Health Care].

    Science.gov (United States)

    Du, Xin; Zeng, Weijie; Li, Chengwei; Xue, Junwei; Wu, Xiuyong; Liu, Yinjia; Wan, Yuxin; Zhang, Yiru; Ji, Yurong; Wu, Lei; Yang, Yongzhe; Zhang, Yue; Zhu, Bin; Huang, Yueshan; Wu, Kai

    2016-02-01

    Wearable devices are used in the new design of the maternal health care system to detect electrocardiogram and oxygen saturation signal while smart terminals are used to achieve assessments and input maternal clinical information. All the results combined with biochemical analysis from hospital are uploaded to cloud server by mobile Internet. Machine learning algorithms are used for data mining of all information of subjects. This system can achieve the assessment and care of maternal physical health as well as mental health. Moreover, the system can send the results and health guidance to smart terminals.

  1. The User-level Security of Mobile Communication Systems

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    This paper studies the user-level security of mobile systems. The current mobile phone users trust the invisible security of the 2G systems. The evolution from the second-generation mobile systems (2G) to the third generation systems (3G) will introduce the threats and opportunities of the Internet to the world of mobile communications. From the technical point of view, the new security requirements are similar to the security requirements met with today in a company Intranet environment. There is, however, one great difference; the charge paid for accessing the service. In future the users of mobile systems will have to be more aware of the security issues.

  2. 广东省防汛卫星移动通信系统的设计与实现%Design and Implementation of Flood Control and Satellite Mobile Communication System in Guangdong Province

    Institute of Scientific and Technical Information of China (English)

    朱识

    2015-01-01

    利用卫星通信,结合3G/4G蜂窝移动通信,设计并实现广东省防汛指挥应急调度卫星移动通信系统。系统由现场视频手机、蜂窝3G/4G移动通信和卫星BGAN网络、指挥中心自动视频接收播放终端组成,已在广东省防汛应急指挥调度中应用,现场人员通过高速3G/4G 移动或卫星通信安全接入广东省水利信息网络系统,可以随时随地传送现场视频和进行会商指挥调度,对提升全省三防应急会商决策、指挥调度的效率有重要的推动作用。%This project is aimed to design and establish a mobile satellite communication system for lfood control and emergency command of Guangdong Province through the combination of satellite communication and 3G/4G cellular mobile communication. This system consists of live video phone, 3G/4G cellular mobile communication, satellite BGAN network and a terminal in command center for automatically receiving and broadcasting video. With the system applied to the lfood control and emergency command of Guangdong Province, ifeld staff can get access to Water Resources Information Network System of Guangdong Province through high-speed 3G/4G mobile communication and satellite communication, and therefore consultation and command as well as transmission of live videos are made possible whenever and wherever needed, which promotes the efficiency of consultation on three anti-emergency, decision-making and scheduling of Guangdong Province.

  3. Clothing Systems Design Lab

    Data.gov (United States)

    Federal Laboratory Consortium — The Clothing Systems Design Lab houses facilities for the design and rapid prototyping of military protective apparel.Other focuses include: creation of patterns and...

  4. Image processing for navigation on a mobile embedded platform: design of an autonomous mobile robot

    Science.gov (United States)

    Loose, Harald; Lemke, Christiane; Papazov, Chavdar

    2006-02-01

    This paper deals with intelligent mobile platforms connected to a camera controlled by a small hardware-platform called RCUBE. This platform is able to provide features of a typical actuator-sensor board with various inputs and outputs as well as computing power and image recognition capabilities. Several intelligent autonomous RCBUE devices can be equipped and programmed to participate in the BOSPORUS network. These components form an intelligent network for gathering sensor and image data, sensor data fusion, navigation and control of mobile platforms. The RCUBE platform provides a standalone solution for image processing, which will be explained and presented. It plays a major role for several components in a reference implementation of the BOSPORUS system. On the one hand, intelligent cameras will be positioned in the environment, analyzing the events from a fixed point of view and sharing their perceptions with other components in the system. On the other hand, image processing results will contribute to a reliable navigation of a mobile system, which is crucially important. Fixed landmarks and other objects appropriate for determining the position of a mobile system can be recognized. For navigation other methods are added, i.e. GPS calculations and odometers.

  5. The Design and Engineering of Mobile Data Services: Developing an Ontology Based on Business Model Thinking

    Science.gov (United States)

    Al-Debei, Mutaz M.; Fitzgerald, Guy

    This paper addresses the design and engineering problem related to mobile data services. The aim of the research is to inform and advise mobile service design and engineering by looking at this issue from a rigorous and holistic perspective. To this aim, this paper develops an ontology based on business model thinking. The developed ontology identifies four primary dimensions in designing business models of mobile data services: value proposition, value network, value architecture, and value finance. Within these dimensions, 15 key design concepts are identified along with their interrelationships and rules in the telecommunication service business model domain and unambiguous semantics are produced. The developed ontology is of value to academics and practitioners alike, particularly those interested in strategic-oriented IS/IT and business developments in telecommunications. Employing the developed ontology would systemize mobile service engineering functions and make them more manageable, effective, and creative. The research approach to building the mobile service business model ontology essentially follows the design science paradigm. Within this paradigm, we incorporate a number of different research methods, so the employed methodology might be better characterized as a pluralist approach.

  6. A Design of Mobile Health for Android Applications

    Directory of Open Access Journals (Sweden)

    Dr. Vuda Sreenivasa Rao

    2015-06-01

    Full Text Available For healthiness and wellness, exercising is one of the key factors. In this paper, a mobile health application is developed to recommend healthcare support referring to exercises on the Android Smart Phone. This application has been designed to provide exercise advice depending on Body Mass Index (BMI, Basal Metabolic Rate (BMR and the energy used in each activity or sport (e.g. aerobic dancing, cycling, jogging working and swimming. Also, this application has been designed to present special exercise advice for patients with health issues. Moreover, it has been designed to store information in a database and to have the ability to produce reports to users.

  7. Mobile technology in health information systems - a review.

    Science.gov (United States)

    Zhang, X-Y; Zhang, P-Y

    2016-05-01

    Mobile technology is getting involved in every sphere of life including medical health care. There has been an immense upsurge in mobile phone-based health innovations these days. The expansion of mobile phone networks and the proliferation of inexpensive mobile handsets have made the digital information and communication technology capabilities very handy for the people to exploit if for any utility including health care. The mobile phone based innovations are able to transform weak and under performing health information system into more modern and efficient information system. The present review article will enlighten all these aspects of mobile technology in health care.

  8. 基于WAP的高校移动教学信息系统设计%WAP-based University Mobile Teaching Information System Design

    Institute of Scientific and Technical Information of China (English)

    杨国清

    2011-01-01

    本文主要针对高校教学管理领域的WAP应用,该应用的目标是通过移动设备,及时、方便地获取和提交教务管理信息。%In this paper, the field of teaching management for WAP application,the application's goal is to mobile devices,timely, convenient access to educational management information and submit.

  9. Design and Implementation of Decision Making Support System for Government-Maps Based on Mobile GIS%基于移动GIS的永嘉县政务用图辅助决策系统设计与实现

    Institute of Scientific and Technical Information of China (English)

    潘坚力; 周川

    2016-01-01

    With the development of mobile technology,“Internet plus” basis of technology and the development of information technology and application,mobile office has become a new trend in the industry. In this paper,the planning of Yongjia Housing urban and rural planning and Construction Bureau of information work,research in digital Yongjia ge-ographic information public platform (public version) as the center,LBS applications,ArcGIS for IOS,ArcGIS Server, WebService technology framework,design and development of the mobile GIS in Yongjia Government Based on map aided decision system,in the integration of Yongjia,all kinds of government information resources based on,make full use of mobile Internet technology,geographic information technology,cloud computing and other technology,to realize the full range of government information resources management. To provide clear,reliable and scientific basis for the leadership and government departments to provide clear,reliable and scientific basis for the macro decision,planning management, mobile office,attracting investment,and responding to emergencies.%结合永嘉县住房和城乡规划建设局的规划信息化工作,研究以“数字永嘉”地理信息公共平台(公众版)为中心,应用LBS、ArcGIS for iOS,ArcGIS Server,WebService等技术框架,设计并开发了基于移动GIS的永嘉县政务用图辅助决策系统。在整合永嘉县各类政务资源的基础上,充分运用移动互联网技术、地理信息技术、云计算等技术、实现政务信息资源的全方位管理。为政府部门宏观决策、规划管理、移动办公、招商引资、应对突发事件等提供清晰、可靠、科学的基础地理信息依据。

  10. CHAMP: A bespoke integrated system for mobile manipulation

    CSIR Research Space (South Africa)

    Van Eden, B

    2014-11-01

    Full Text Available Mobile manipulation is a robotics paradigm with the potential to make major contributions to a number of important domain areas. Although some mobile manipulators are commercially available, bespoke systems can be assembled from existing...

  11. Control design for a mobile robot including tire behavior

    NARCIS (Netherlands)

    Ploeg, J.; Schouten, H.E.; Nijmeijer, H.

    2008-01-01

    In order to support the development process of Advanced Driver Assistance systems for road vehicles, TNO is operating a hardware-in-the-loop test setup. In this facility, called VeHIL, vehicles in the direct neighborhood of the test vehicle are simulated using wheeled mobile robots. Due to the requi

  12. Neural Network Based Lna Design for Mobile Satellite Receiver

    Directory of Open Access Journals (Sweden)

    Abhijeet Upadhya

    2014-08-01

    Full Text Available Paper presents a Neural Network Modelling approach to microwave LNA design. To acknowledge the specifications of the amplifier, Mobile Satellite Systems are analyzed. Scattering parameters of the LNA in the frequency range 0.5 to 18 GHz are calculated using a Multilayer Perceptron Artificial Neural Network model and corresponding smith charts and polar charts are plotted as output to the model. From these plots, the microwave scattering parameter description of the LNA are obtained. Model is efficiently trained using Agilent ATF 331M4 InGaAs/InP Low Noise pHEMT amplifier datasheet and the neural model’s output seem to follow the various device characteristic curves with high regression. Next, Maximum Allowable Gain and Noise figure of the device are modelled and plotted for the same frequency range. Finally, the optimized model is utilized as an interpolator and the resolution of the amplifying capability with noise characteristics are obtained for the L Band of MSS operation.

  13. Design of Intelligent Carpooling System Based on Mobile Internet%基于移动互联网的智能拼车系统设计

    Institute of Scientific and Technical Information of China (English)

    俞立峰

    2015-01-01

    该系统旨在服务于乘客和出租车司机,以解决乘客高峰时段打车难,出租车座位利用率低等问题。系统主要采用C/S结构,客户端主要分为乘客与出租车两个用户角色。后台服务器主要实现定位、智能匹配、路径导航及费用计算等。%The system is designed to serve the passengers and taxi drivers,to solve the peak period passenger difficult to take a taxi,the taxi seat utilization rate is low.The system mainly uses the C/S structure,the client is mainly divided into passenger and taxi two user roles.The background server mainly realizes positioning,intelligent matching,path navigation and cost calculation.

  14. Participatory design and validation of mobility enhancement robotic wheelchair.

    Science.gov (United States)

    Daveler, Brandon; Salatin, Benjamin; Grindle, Garrett G; Candiotti, Jorge; Wang, Hongwu; Cooper, Rory A

    2015-01-01

    The design of the mobility enhancement robotic wheelchair (MEBot) was based on input from electric powered wheelchair (EPW) users regarding the conditions they encounter when driving in both indoor and outdoor environments that may affect their safety and result in them becoming immobilized, tipping over, or falling out of their wheelchair. Phase I involved conducting a participatory design study to understand the conditions and barriers EPW users found to be difficult to drive in/over. Phase II consisted of creating a computer-aided design (CAD) prototype EPW to provide indoor and outdoor mobility that addressed these conditions with advanced applications. Phase III involved demonstrating the advanced applications and gathering feedback from end users about the likelihood they would use the advanced applications. The CAD prototype incorporated advanced applications, including self-leveling, curb climbing, and traction control, that addressed the challenging conditions and barriers discussed with EPW users (n = 31) during the participatory design study. Feedback of the CAD design and applications in phase III from end users (n = 12) showed a majority would use self-leveling (83%), traction control (83%), and curb climbing (75%). The overall design of MEBot received positive feedback from EPW users. However, these opinions will need to be reevaluated through user trials as the design advances.

  15. Interactive asthma learning system utilizing a mobile phone platform.

    Science.gov (United States)

    Wood, Jeffrey; Yablochnikov, Ilya; Finkelstein, Joseph

    2008-11-06

    We developed an interactive patient learning system for use on mobile phones to inform an asthma patient about this chronic condition and enforce knowledge retention by questioning the user. The system uses a mobile phone's Internet connection to retrieve information from a database and download recorded audio files corresponding to asthma information screens. The mobile application was successfully developed, implemented, and tested on the Motorola i730 mobile phone with Nextel as a service provider.

  16. System architecture for the Canadian interim mobile satellite system

    Science.gov (United States)

    Shariatmadar, M.; Gordon, K.; Skerry, B.; Eldamhougy, H.; Bossler, D.

    1988-05-01

    The system architecture for the Canadian Interim Mobile Satellite Service (IMSS) which is planned for commencement of commercial service in late 1989 is reviewed. The results of an associated field trial program which was carried out to determine the limits of coverage and the preliminary performance characteristics of the system are discussed.

  17. System Center Mobile Device Manager入门

    Institute of Scientific and Technical Information of China (English)

    Paul Robichaux; 老田(译者)

    2009-01-01

    微软的System Center Mobile Device Manager(SCMDM)可以让企业客户像管理控制他们的桌面、便携式计算机及服务器那样,来管理控制他们的移动设备。本文将探讨SCMDM的功能。深入了解其安装过程。并说明它如何帮助你的环境。

  18. "Mobile Technology Integration to the Moodle System"

    OpenAIRE

    Legis, Nerijus

    2009-01-01

    SANTRAUKA SMS (Short Message Service) - tai technologija, kuri leidžia siųsti ir priimti pranešimus tarp mobiliųjų telefonų. SMS pirmą kartą atsirado Europoje 1992 metais ir buvo įtraukta į GSM (Global System for Mobile Communications) standartus. Vėliau buvo perkelta į bevieles technologijas, tokias kaip: CDMA ir TDMA. GSM ir SMS standartai buvo parengti ETSI. ETSI santrumpa - Europos telekomunikacijų standartų institutas. Dabar 3GPP (Third Generation Partnership Project) yra atsakinga u...

  19. Optical system design

    CERN Document Server

    Fischer, Robert F

    2008-01-01

    Honed for more than 20 years in an SPIE professional course taught by renowned optical systems designer Robert E. Fischer, Optical System Design, Second Edition brings you the latest cutting-edge design techniques and more than 400 detailed diagrams that clearly illustrate every major procedure in optical design. This thoroughly updated resource helps you work better and faster with computer-aided optical design techniques, diffractive optics, and the latest applications, including digital imaging, telecommunications, and machine vision. No need for complex, unnecessary mathematical derivations-instead, you get hundreds of examples that break the techniques down into understandable steps. For twenty-first century optical design without the mystery, the authoritative Optical Systems Design, Second Edition features: Computer-aided design use explained through sample problems Case studies of third-millennium applications in digital imaging, sensors, lasers, machine vision, and more New chapters on optomechanic...

  20. Mobility Assistance Design of the Intelligent Robotic Wheelchair

    Directory of Open Access Journals (Sweden)

    Po Er Hsu

    2012-12-01

    Full Text Available This paper presents the development of the “intelligent Robotic Wheelchair” (iRW, emphasizing its mobility assistance design. The vehicle uses four Mecanum wheels to facilitate movement in all directions, including sideways, and zero radius of rotation. The iRW requires much less space than ordinary electric wheelchairs in turning and sideways manoeuvres. Based on this moving vehicle, mobility assistance functions are designed for three different operators: the wheelchair user, caregivers, and the iRW itself in autonomous behaviours. Five operation modes, all mutually exclusive, are developed: obstacle avoidance, joystick mode, handlebar mode, teleoperation, and indoor navigation. Man‐machine collaborative control is reflected in the assignment of priorities to the three operators. The functional test performed in this research compared the operational efficiency of the five operation modes.

  1. Design of Mobile Robot System for Pipe Trench Inspection in Nuclear Industry%移动式在役核管沟检测机器人系统的设计

    Institute of Scientific and Technical Information of China (English)

    周益路; 颜国正; 王志武; 高鹏; 刘华; 姜萍萍

    2011-01-01

    针对核设施的安全检测,研制了适用于核工业在役管沟检测的移动式机器人系统.该系统由机器人本体、控制系统、图像采集系统等组成,在核工业在役管沟中的现场检测结果表明,该系统在一般的核污染环境下可正常工作,且能有效保障现场人员的安全;对于环境不明且存在隐患的管沟,采用移动式机器人检测能尽快排除隐患,这也是目前实现在役管沟检测的最有效途径之一;检测数据将为核工业在役管沟的整改以及下一代管沟的设计提供重要依据.%For the safety inspection of nuclear facilities, a mobile robot system was developed to examine the inuse pipe trench in nuclear industry. The system consists of robot, control system and image acquisition system.The inspection results of in-use pipe trench in nuclear industry show that this system can work normally under general nuclear contamination, and can also protect the related workers efficiently. For the pipe trench with unknown situation and latent danger, mobile robot's inspection can eliminate danger as soon as possible, which is regarded as one of the most efficient ways of examining in-use pipe trench. The inspection would provide critical reference not only for the rectification of pipe trench, but also for the design of the future generation of pipe trench.

  2. A mobile robot system for ground servicing operations on the space shuttle

    Science.gov (United States)

    Dowling, K.; Bennett, R.; Blackwell, M.; Graham, T.; Gatrall, S.; O'Toole, R.; Schempf, H.

    1992-01-01

    A mobile system for space shuttle servicing, the Tessellator, has been configured, designed and is currently being built and integrated. Robot tasks include chemical injection and inspection of the shuttle's thermal protection system. This paper outlines tasks, rationale, and facility requirements for the development of this system. A detailed look at the mobile system and manipulator follow with a look at mechanics, electronics, and software. Salient features of the mobile robot include omnidirectionality, high reach, high stiffness and accuracy with safety and self-reliance integral to all aspects of the design. The robot system is shown to meet task, facility, and NASA requirements in its design resulting in unprecedented specifications for a mobile-manipulation system.

  3. 46 CFR 58.60-9 - Industrial systems: Design.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 2 2010-10-01 2010-10-01 false Industrial systems: Design. 58.60-9 Section 58.60-9... MACHINERY AND RELATED SYSTEMS Industrial Systems and Components on Mobile Offshore Drilling Units (MODU) § 58.60-9 Industrial systems: Design. Each system under this subpart must be designed and analyzed in...

  4. On the Migration Mechanism of Mobile Agent System%移动Agent系统的迁移机制研究

    Institute of Scientific and Technical Information of China (English)

    张冠群; 陶先平; 李新; 冯新宇; 吕建

    2001-01-01

    Mobility is inherent in Internet,traditional message passing,RPC,or Remote Evaluation,can not meet more and more various mobility requirements. Mobile Agent implements computation migration,including data,code and control,is a good way to suit Internet. Migration mechanism is the key technology of mobile Agent. We discuss it from the perspective of both system programmer and application programmer and introduce migration mechanisms of some famous Java based mobile Agent system.At last,present the structured migration mechanism of self-designed mobile Agent system Mogent.

  5. Voice Quality in Mobile Telecommunication System

    Directory of Open Access Journals (Sweden)

    Evaldas Stankevičius

    2013-05-01

    Full Text Available The article deals with methods measuring the quality of voice transmitted over the mobile network as well as related problem, algorithms and options. It presents the created voice quality measurement system and discusses its adequacy as well as efficiency. Besides, the author presents the results of system application under the optimal hardware configuration. Under almost ideal conditions, the system evaluates the voice quality with MOS 3.85 average estimate; while the standardized TEMS Investigation 9.0 has 4.05 average MOS estimate. Next, the article presents the discussion of voice quality predictor implementation and investigates the predictor using nonlinear and linear prediction methods of voice quality dependence on the mobile network settings. Nonlinear prediction using artificial neural network resulted in the correlation coefficient of 0.62. While the linear prediction method using the least mean squares resulted in the correlation coefficient of 0.57. The analytical expression of voice quality features from the three network parameters: BER, C / I, RSSI is given as well.Article in Lithuanian

  6. Design criteria for mobile phones: a teenagers perspective.

    CSIR Research Space (South Africa)

    Batchelor, J

    2009-09-01

    Full Text Available and implemented by students during a school research project, tasking them to create resources for their disadvantaged peers who have with no access to educational resources and traditional internet capabilities via desktop. Teaching strategies utilized... of concepts and skills from phone to desktop applications was observed. Keywords: Mobile Phones, Design Criteria, Multimedia, Teaching Strategies 1.Introduction and background 
 I am a leader by default, because nature abhors a vacuum. (Desmond Tutu...

  7. Design and implementation of modular software for programming mobile robots

    Directory of Open Access Journals (Sweden)

    Luca Iocchi

    2008-11-01

    Full Text Available This article describes a software development toolkit for programming mobile robots, that has been used on different platforms and for different robotic applications. We address design choices, implementation issues and results in the realization of our robot programming environment, that has been devised and built from many people since 1998. We believe that the proposed framework is extremely useful not only for experienced robotic software developers, but also for students approaching robotic research projects.

  8. Consensus Formation Control for a Class of Networked Multiple Mobile Robot Systems

    Directory of Open Access Journals (Sweden)

    Long Sheng

    2012-01-01

    for investigating the sufficient conditions to linear control gain design for the system with constant time delays. Simulation results as well as experimental studies on Pioneer 3 series mobile robots are shown to verify the effectiveness of the proposed approach.

  9. A system architecture for an advanced Canadian wideband mobile satellite system

    Science.gov (United States)

    Takats, P.; Keelty, M.; Moody, H.

    In this paper, the system architecture for an advanced Canadian ka-band geostationary mobile satellite system is described, utilizing hopping spot beams to support a 256 kbps wideband service for both N-ISDN and packet-switched interconnectivity to small briefcase-size portable and mobile terminals. An assessment is given of the technical feasibility of the satellite payload and terminal design in the post year 2000 timeframe. The satellite payload includes regeneration and on-board switching to permit single hop interconnectivity between mobile terminals. The mobile terminal requires antenna tracking and platform stabilization to ensure acquisition of the satellite signal. The potential user applications targeted for this wideband service includes: home-office, multimedia, desk-top (PC) videoconferencing, digital audio broadcasting, single and multi-user personal communications.

  10. Designing automatic resupply systems.

    Science.gov (United States)

    Harding, M L

    1999-02-01

    This article outlines the process for designing and implementing autoresupply systems. The planning process includes determination of goals and appropriate participation. Different types of autoresupply mechanisms include kanban, breadman, consignment, systems contracts, and direct shipping from an MRP schedule.

  11. Hybrid Control Design for a Wheeled Mobile Robot

    DEFF Research Database (Denmark)

    Bak, Thomas; Bendtsen, Jan Dimon; Ravn, Anders Peter

    2003-01-01

    We present a hybrid systems solution to the problem of trajectory tracking for a four-wheel steered four-wheel driven mobile robot. The robot is modelled as a non-holonomic dynamic system subject to pure rolling, no-slip constraints. Under normal driving conditions, a nonlinear trajectory trackin....... The stability of the hybrid control scheme is finally analyzed using Lyapunov-like arguments....

  12. Modeling, Control and Simulation of a Novel Mobile Robotic System

    Science.gov (United States)

    Bai, Xiaoli; Davis, Jeremy; Doebbler, James; Turner, James D.; Junkins, John L.

    We in the Department of Aerospace Engineering at Texas A&M University are developing an autonomous mobile robotic system to emulate six degree of freedom (DOF) relative spacecraft motion during proximity operations. The base uses an active split offset castor (ASOC) drive train to achieve omni-directional planar motion with desired tracking position errors in the ± 1 cm range and heading angle error in the ±0.5° range. With six independently controlled wheels, we achieve a nominally uniform motor torque distribution and reduce the total disturbances with system control redundancy. A CAD (Computer-aided Design) sketch of our onethird scale model prototype is shown.

  13. 可移动式相变蓄热装置智能控制系统设计%Design of Control System for Mobile Phase Change Heat Stroage Device

    Institute of Scientific and Technical Information of China (English)

    吕科; 俞铁铭; 赵志惠; 向阳

    2015-01-01

    通过分析可移动式相变蓄能供热系统的特点,确定了可移动式相变蓄能供热控制系统设计思路和设计原则。本文设计了PLC电控柜,通过采集系统不同位置的测点信号,控制相应的电磁阀、电动调节阀,实现系统蓄能、运输、供热三个阶段的自动控制流程,从而提高工作效率,提高产品品质,并能简化操作。%Through the analysis made on the characteristics of mobile phase change heat stroage device ,the concept and principle for the design of control system for mobile phase change heat stroage device are determined herein. This paper desins the PLC electric control cabinet. PLC by collecting diffferent measuring signal to control the corresponding electrical valve, so as to realize heat stroage ,transport,heating three stages of the automotic control requiremnets. It will improve the work efficiency and product quality, and can simplify the operation..

  14. Design and Implementation of the Hybrid Wind/PV Power System's Remote Monitoring for Mobile Communication Base Station%移动通信基站风光互补系统远程监控设计与实现

    Institute of Scientific and Technical Information of China (English)

    谢瑛珂; 龚恒翔; 巫江; 朱新才

    2013-01-01

    According to the demand of the hybrid wind/photovoltaic power system for mobile communication site,the study designed a distant monitoring system based on GPRS(General Packet Radio Service) network.The system achieved the hybrid wind/PV power system's real-time data collect and alarm,which include the operation parameters,environmental parameters,storage battery temperature and the video images.The monitoring software and website are designed and developed under the Visual studio.net and SQL Server 2005 environment,and realize the monitoring center and the mobile communication site monitoring terminal wireless communication,hybrid wind/photovoltaic system of remote real-time monitoring,the state analysis,remote controlling and alarming etc.And the real-time data are acquired and processed for display,statistics,analysis and storage,also support for internet access.The monitoring system has been trial running in hybrid wind/PV power system which generate electricity for Yangliu base station that lies in Chongqing Banan district,and meets the requirements of networkization and intelligentialization.It has important guiding significance for application and popularization in Chongqing with geographical meteorological characteristics of hybrid wind/photovoltaic system.%根据移动通信基站风光互补供电系统的需要,设计了基于GPRS网络的远程监控系统,实现了风光互补供电系统现场终端运行状况参数、现场环境参数、蓄电池组温度及现场视频图像的远程实时数据监测与报警.基于Visual.net与SQL Server 2005平台开发了监控软件,实现了监控中心与移动通信基站监控终端的无线通信,风光互补发电系统的远程实时监测、状态分析、远程控制和预警等功能,以及监控数据的实时显示、分析、统计及存储,并支持Internet远程查询和访问.该监控系统目前已在重庆移动公司巴南区杨柳基站风光互补供电系统中试运行,能满足系统

  15. Design and Implementation of Secret Message Monitoring and Analysis System for Android Mobile Phone%面向android手机的涉密短信监控与分析系统的设计与实现

    Institute of Scientific and Technical Information of China (English)

    石子言; 赵国林; 刘剑豪

    2014-01-01

    In today's mobile phone short message not only brought convenience, but also brings security risks, the main security problems reflected in the mobile phone user security awareness is not strong, the message content relates to security sensitive in⁃formation, such as the internal information of enterprise, government and other confidential information. This paper mainly intro⁃duces the design and implementation of a Android oriented mobile phone secret SMS monitoring and analysis system, the system adopts a proactive defense thought, constructed by the secret message monitoring short message security monitoring subsystem and the server of the mobile phone client and analysis subsystem SMS monitoring and analysis platform for effective monitoring and management how to send SMS to achieve efficient access, is the focus of this research.%当今手机短信不仅给人们带来了方便,同时也带来了安全隐患,主要安全问题体现在手机使用者安全防范意识不强,短信内容涉及一些安全敏感信息,如企业内部资料信息,政府保密资料等。该文主要介绍了一个面向android手机的涉密短信监控与分析系统的设计与实现,该系统采用了一种积极主动的防御思想,构建了由手机客户端的短信安全监测子系统和服务端的涉密短信监控与分析子系统构成的短信监控和分析平台,如何对手机短信的发送情况进行有效的监控和管理,实现高效访问是本文的研究重点。

  16. DEVELOPMENT OF TRAJECTORY CONTROL SYSTEM FOR THE OMNIDIRECTIONAL MOBILE ROBOT

    Directory of Open Access Journals (Sweden)

    Y. A. Kapitanyuk

    2014-03-01

    Full Text Available The article deals with a trajectory control system development for the omnidirectional mobile robot. This kind of robots gives the possibility to control separately each degree of freedom due to special design of the wheels, which greatly facilitates the solution of the spatial control tasks and makes it possible to focus directly on the development of algorithms. Control law synthesis is based on kinematic model of a solid body on a plane. Desired trajectory is defined as a smooth implicit function in a fixed coordinate system. Procedure of control design is represented by using a differential-geometric method of nonlinear transformation of the original model to the task-oriented form, which describes the longitudinal motion along a trajectory and orthogonal deviation. Proportional controllers with direct compensation of nonlinear terms are synthesized for the transformed model. Main results are represented by nonlinear control algorithms and experimental data. Practical implementation of considered control laws for the Robotino mobile robot by Festo Didactics Company is done for illustration of this approach workability. The cases of straight line motion and movement along a circle are represented as desirable trajectories, and the majority of practical tasks for mobile robots control can be implemented by their combination.

  17. 77 FR 14012 - Eligible Telecommunications Carrier Designation for Participation in Mobility Fund Phase I

    Science.gov (United States)

    2012-03-08

    ... Telecommunications Carrier Designation for Participation in Mobility Fund Phase I AGENCY: Federal Communications Commission. ACTION: Notice. SUMMARY: In this document, the Commission's Wireless Telecommunications and... Telecommunications Carrier (ETC) Designation from the Commission for participation in Mobility Fund Phase I...

  18. Low Cost Vision Based Personal Mobile Mapping System

    Directory of Open Access Journals (Sweden)

    M. M. Amami

    2014-03-01

    Full Text Available Mobile mapping systems (MMS can be used for several purposes, such as transportation, highway infrastructure mapping and GIS data collecting. However, the acceptance of these systems is not wide spread and their use is still limited due the high cost and dependency on the Global Navigation Satellite System (GNSS. A low cost vision based personal MMS has been produced with an aim to overcome these limitations. The system has been designed to depend mainly on cameras and use of low cost GNSS and inertial sensors to provide a bundle adjustment solution with initial values. The system has the potential to be used indoor and outdoor. The system has been tested indoors and outdoors with different GPS coverage, surrounded features, and narrow and curvy paths. Tests show that the system is able to work in such environments providing 3D coordinates of better than 10 cm accuracy.

  19. 管道完整性系统智能手机访问平台设计%The Design of Intelligent Mobile Phone Access Platf orm f or the Pipeline Integrality System

    Institute of Scientific and Technical Information of China (English)

    陆道明; 黄金钊; 杨珍

    2013-01-01

    The pipeline integrality system is a computer management system designed to ensure completely reliable operation of the pipeline. Mobile phone access platform which is based on Android system is an access termination for pipeline integrity system. The platform is capable of uploading detect data, scene photos and videos, also can be used for risk assessment of pipeline and information query such as pipeline lose efficacy, pipeline residual strength and pipeline basic information. The platform employs mobile phone SIM recognition and fingerprint recognition technology for authentication and uses B/S model for data access.%  管道完整性系统是为了保证管道能完全可靠运行而设计的计算机管理系统,手机访问平台端是管道完整性系统的一个访问终端,访问平台采用Android系统进行设计,平台可以进行监测数据上传、现场拍照、录像及上传功能,还可以进行管道风险评价、管道失效、管道剩余强度、管道基本信息等查询,平台采用手机SIM识别和指纹识别技术进行身份验证,使用B/S模式进行数据访问。

  20. User-centric incentive design for participatory mobile phone sensing

    Science.gov (United States)

    Gao, Wei; Lu, Haoyang

    2014-05-01

    Mobile phone sensing is a critical underpinning of pervasive mobile computing, and is one of the key factors for improving people's quality of life in modern society via collective utilization of the on-board sensing capabilities of people's smartphones. The increasing demands for sensing services and ambient awareness in mobile environments highlight the necessity of active participation of individual mobile users in sensing tasks. User incentives for such participation have been continuously offered from an application-centric perspective, i.e., as payments from the sensing server, to compensate users' sensing costs. These payments, however, are manipulated to maximize the benefits of the sensing server, ignoring the runtime flexibility and benefits of participating users. This paper presents a novel framework of user-centric incentive design, and develops a universal sensing platform which translates heterogenous sensing tasks to a generic sensing plan specifying the task-independent requirements of sensing performance. We use this sensing plan as input to reduce three categories of sensing costs, which together cover the possible sources hindering users' participation in sensing.

  1. HVAC systems design handbook

    CERN Document Server

    Haines, Roger W

    2010-01-01

    Thoroughly updated with the latest codes, technologies, and practices, this all-in-one resource provides details, calculations, and specifications for designing efficient and effective residential, commercial, and industrial HVAC systems. HVAC Systems Design Handbook, Fifth Edition, features new information on energy conservation and computer usage for design and control, as well as the most recent International Code Council (ICC) Mechanical Code requirements. Detailed illustrations, tables, and essential HVAC equations are also included. This comprehensive guide contains everything you need to design, operate, and maintain peak-performing HVAC systems.

  2. Human Systems Design Criteria

    DEFF Research Database (Denmark)

    Rasmussen, Jens

    1982-01-01

    the necessary functional qualities but also the needed human qualities. The author's main argument is, that the design process should be a dialectical synthesis of the two points of view: Man as a System Component, and System as Man's Environment. Based on a man's presentation of the state of the art a set...... of design criteria is suggested and their relevance discussed. The point is to focus on the operator rather than on the computer. The crucial question is not to program the computer to work on its own conditions, but to “program” the operator to function on human conditions.......This paper deals with the problem of designing more humanised computer systems. This problem can be formally described as the need for defining human design criteria, which — if used in the design process - will secure that the systems designed get the relevant qualities. That is not only...

  3. MECHANISM DESIGN AND MOTION ANALYSIS OF A SPHERICAL MOBILE ROBOT

    Institute of Scientific and Technical Information of China (English)

    Zhan Qiang; Jia Chuan; Ma Xiaohui; Zhai Yutao

    2005-01-01

    A new spherical mobile robot BHQ-1 is designed. The spherical robot is driven by two internally mounted motors that induce the ball to move straight and turn around on a flat surface. A dynamic model of the robot is developed with Lagrange method and factors affecting the driving torque of two motors are analyzed. The relationship between the turning radius of the robot and the length of two links is discussed in order to optimize its mechanism design. Simulation and experimental results demonstrate the good controllability and motion performance of BHQ-1.

  4. Forecasting Vehicle Mobility in Remote Areas -An Aid to Military Vehicle Design

    Directory of Open Access Journals (Sweden)

    Tej Paul

    1985-01-01

    Full Text Available Military vehicles are designed for off the road mobility. These are liable for deployment on varying ground conditions. Terrain parameters effecting vehicle systems design are listed. To avoid large scale measurement of terrain parameters, use of physiographic maps in forecasting these parameters has been suggested. Field tests to ascertain the similarity of soil strength parameter between the similar physiographic terrain units, called land facets were conducted and the tests confirmed the usefulness of the technique.

  5. Evaluation of Mobile Assessment in a Learning Management System

    Science.gov (United States)

    Bogdanovic, Zorica; Barac, Dušan; Jovanic, Branislav; Popovic, Snežana; Radenkovic, Božidar

    2014-01-01

    This article discusses the problem of using and delivering educational content from the Moodle learning management system to mobile devices. The primary goal of this study was to investigate the students' habits, motivations and technical possibilities in order to incorporate mobile-learning activities in the e-learning process. A mobile quiz has…

  6. Hybrid Control Design for a Wheeled Mobile Robot

    DEFF Research Database (Denmark)

    Bak, Thomas; Bendtsen, Jan Dimon; Ravn, Anders Peter

    2003-01-01

    We present a hybrid systems solution to the problem of trajectory tracking for a four-wheel steered four-wheel driven mobile robot. The robot is modelled as a non-holonomic dynamic system subject to pure rolling, no-slip constraints. Under normal driving conditions, a nonlinear trajectory tracking...... feedback control law based on dynamic feedback linearization is sufficient to stabilize the system and ensure asymptotically stable tracking. Transitions to other modes are derived systematically from this model, whenever the configuration space of the controlled system has some fundamental singular points....... The stability of the hybrid control scheme is finally analyzed using Lyapunov-like arguments....

  7. Empirical investigation to explore factors that achieve high quality of mobile learning system based on students’ perspectives

    Directory of Open Access Journals (Sweden)

    Mohammed Amin Almaiah

    2016-09-01

    Full Text Available This study presents three frameworks for mobile learning system based on quality factors derived from the updated DeLone and McLean information system success model. This study used the questionnaire as a quantitative method to explore quality factors for mobile learning system based on perspectives of 392 students. This study opens future work for using the identified quality factors as guidelines for researchers and designers to design and develop mobile learning applications.

  8. Tree root systems and nutrient mobilization

    DEFF Research Database (Denmark)

    Boyle, Jim; Rob, Harrison; Raulund-Rasmussen, Karsten;

    Roots mobilize nutrients via deep penetration and rhizosphere processes inducing weathering of primary minerals. These contribute to C transfer to soils and to tree nutrition. Assessments of these characteristics and processes of root systems are important for understanding long-term supplies...... of nutrient elements essential for forest growth and resilience. Research and techniques have signifi cantly advanced since Olof Tamm’s 1934 base mineral index for Swedish forest soils, and basic nutrient budget estimates for whole-tree harvesting systems of the 1970s. Recent research in areas that include...... sometimes stored at depth. Other recent studies on potential release of nutrients due to chemical weathering indicate the importance of root access to deep soil layers. Release profi les clearly indicate depletion in the top layers and a much higher potential in B and C horizons. Review of evaluations...

  9. SAW based systems for mobile communications satellites

    Science.gov (United States)

    Peach, R. C.; Miller, N.; Lee, M.

    1993-01-01

    Modern mobile communications satellites, such as INMARSAT 3, EMS, and ARTEMIS, use advanced onboard processing to make efficient use of the available L-band spectrum. In all of these cases, high performance surface acoustic wave (SAW) devices are used. SAW filters can provide high selectivity (100-200 kHz transition widths), combined with flat amplitude and linear phase characteristics; their simple construction and radiation hardness also makes them especially suitable for space applications. An overview of the architectures used in the above systems, describing the technologies employed, and the use of bandwidth switchable SAW filtering (BSSF) is given. The tradeoffs to be considered when specifying a SAW based system are analyzed, using both theoretical and experimental data. Empirical rules for estimating SAW filter performance are given. Achievable performance is illustrated using data from the INMARSAT 3 engineering model (EM) processors.

  10. Tree root systems and nutrient mobilization

    DEFF Research Database (Denmark)

    Boyle, Jim; Rob, Harrison; Raulund-Rasmussen, Karsten

    Roots mobilize nutrients via deep penetration and rhizosphere processes inducing weathering of primary minerals. These contribute to C transfer to soils and to tree nutrition. Assessments of these characteristics and processes of root systems are important for understanding long-term supplies...... some of the world’s most productive intensively managed forests, including Brazil and the Southeast and Pacifi c Northwest regions of the United States, have shown that root systems are often several meters in depth, and often extend deeper than soil is sampled. Large amounts of carbon are also...... sometimes stored at depth. Other recent studies on potential release of nutrients due to chemical weathering indicate the importance of root access to deep soil layers. Release profi les clearly indicate depletion in the top layers and a much higher potential in B and C horizons. Review of evaluations...

  11. Cardless Withdrawal System for Mobile Banking Applications

    OpenAIRE

    Calin Mihai Istrate

    2014-01-01

    With the whole world going mobile and with the threats represented by third party mobile payments, the banks need to react and offer their clients innovative integrated solutions for payments and money transfer. Mobile banking applications are more and more used, and the possibilities to expand are still open.A cardless withdrawal solution integrated in an already developed smartphone mobile banking application might just give an edge in the fight with other competitors. By using SMS technolo...

  12. Applied Control Systems Design

    CERN Document Server

    Mahmoud, Magdi S

    2012-01-01

    Applied Control System Design examines several methods for building up systems models based on real experimental data from typical industrial processes and incorporating system identification techniques. The text takes a comparative approach to the models derived in this way judging their suitability for use in different systems and under different operational circumstances. A broad spectrum of control methods including various forms of filtering, feedback and feedforward control is applied to the models and the guidelines derived from the closed-loop responses are then composed into a concrete self-tested recipe to serve as a check-list for industrial engineers or control designers. System identification and control design are given equal weight in model derivation and testing to reflect their equality of importance in the proper design and optimization of high-performance control systems. Readers’ assimilation of the material discussed is assisted by the provision of problems and examples. Most of these e...

  13. 轮式移动机器人嵌入式自适应控制器设计与仿真%Design and simulation of embedded model-free adaptive control system of wheeled mobile robots

    Institute of Scientific and Technical Information of China (English)

    宋立博; 李劲松

    2012-01-01

    在增加一阶输出信息基础上,改写了控制律算法准则函数,使用变分原理得出紧格式的改进无模型自适应控制(eMFAC)方程.以差动驱动移动机器人为研究对象,将非完整约束及传动系统误差作为外部干扰设计了具有前馈功能的Kalman改进无模型自适应控制(MFAC)运动控制器,证明了新控制方法的全局稳定性.FreeMAT仿真及ARM7系统控制实验证实了本方法的有效性.%On the basis of variational principle, we derive the compact form of the enhanced model-free adaptive control method (Emfac) and modify the control criterion function by adding the first order output signal. In designing the feedforward Kalman MFAC controller for a differential driving wheeled mobile robot, the nonholonomic constraint and the transmission error from motors to wheels in the driving transmission system are fed forward to the system for controlling the orientation angle and the motion velocity of the mobile robot. The global stability of the proposed control method is verified. Simulations are performed with the open-source freeware FreeMAT V4.0. Practical experiments are carried out on the ARM7 system. Results validate the effectiveness of the proposed method.

  14. Private Computing and Mobile Code Systems

    NARCIS (Netherlands)

    Cartrysse, K.

    2005-01-01

    This thesis' objective is to provide privacy to mobile code. A practical example of mobile code is a mobile software agent that performs a task on behalf of its user. The agent travels over the network and is executed at different locations of which beforehand it is not known whether or not these ca

  15. Live Mobile Distance Learning System for Smart Devices

    OpenAIRE

    Jang Ho Lee; Doo-Soon Park; Young-Sik Jeong; Jong Hyuk Park

    2015-01-01

    In recent years, mobile and ubiquitous computing has emerged in our daily lives, and extensive studies have been conducted in various areas using smart devices, such as tablets, smartphones, smart TVs, smart refrigerators, and smart media devices, in order to realize this computing technology. Especially, the integration of mobile networking technology and intelligent mobile devices has made it possible to develop the advanced mobile distance learning system that supports portable smart devic...

  16. Psychology of system design

    CERN Document Server

    Meister, D

    2014-01-01

    This is a book about systems, including: systems in which humans control machines; systems in which humans interact with humans and the machine component is relatively unimportant; systems which are heavily computerized and those that are not; and governmental, industrial, military and social systems. The book deals with both traditional systems like farming, fishing and the military, and with systems just now tentatively emerging, like the expert and the interactive computer system. The emphasis is on the system concept and its implications for analysis, design and evaluation of these many di

  17. Localization/mapping motion control system for a mobile robot

    Science.gov (United States)

    Yang-Syu, Jr.; Su, Chiun-Shiang; Yang, Chan-Yun

    2011-12-01

    The objective of this paper is to design a mobile robot with automatic motion behaviors and obstacle avoidance functions. The robot is also able to make the SLAM (Simultaneous Localization And Mapping) at an unknown environment. The robot position is calculated by the developed software program from the motor encoders. An obstacle avoidance controller is developed by the fuzzy theory. A LRF(laser ranger finder) is installed on the robot. The sensing data of this LRF are applied to calculate the environmental information for the obstacle avoidance controller. Then, the ICP (Iterative Closest Point) algorithm is applied to compare the position error of the environmental data in order to obtain the estimated position of the LRF. Finally, these estimated position data are used to calculate the final SLAM of this mobile robot. Both the simulation and experimental results show that this developed robot system work very well.

  18. Design of controller for mobile robot in welding process of shipbuilding engineering

    Directory of Open Access Journals (Sweden)

    Namkug Ku

    2014-10-01

    Full Text Available The present study describes the development of control hardware and software for a mobile welding robot. This robot is able to move and perform welding tasks in a double hull structure. The control hardware consists of a main controller and a welding machine controller. Control software consists of four layers. Each layer consists of modules. Suitable combinations of modules enable the control software to perform the required tasks. Control software is developed using C programming under QNX operating system. For the modularizing architecture of control software, we designed control software with four layers: Task Manager, Task Planner, Actions for Task, and Task Executer. The embedded controller and control software was applied to the mobile welding robot for successful execution of the required tasks. For evaluate this imbedded controller and control software, the field tests are conducted, it is confirmed that the developed imbedded controller of mobile welding robot for shipyard is well designed and implemented.

  19. A Taxonomy of Vision Systems for Ground Mobile Robots

    Directory of Open Access Journals (Sweden)

    Jesus Martínez-Gómez

    2014-07-01

    Full Text Available This paper introduces a taxonomy of vision systems for ground mobile robots. In the last five years, a significant number of relevant papers have contributed to this subject. Firstly, a thorough review of the papers is proposed to discuss and classify both past and the most current approaches in the field. As a result, a global picture of the state of the art of the last five years is obtained. Moreover, the study of the articles is used to put forward a comprehensive taxonomy based on the most up-to-date research in ground mobile robotics. In this sense, the paper aims at being especially helpful to both budding and experienced researchers in the areas of vision systems and mobile ground robots. The taxonomy described is devised from a novel perspective, namely in order to respond to the main questions posed when designing robotic vision systems: why?, what for?, what with?, how?, and where? The answers are derived from the most relevant techniques described in the recent literature, leading in a natural way to a series of classifications that are discussed and contextualized. The article offers a global picture of the state of the art in the area and discovers some promising research lines.

  20. An earthquake data acquisition system for mobile ob-servation

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    @@Besides the same performance as the earthquake observation system possess used on the fixed earthquake station, such as wide dynamic range, high resolution, following special features are necessary for the earthquake data acquisition system (EDAS) applied for mobile observing in order to suit for running in the field: a) Reliability. The EDAS must work stably long time without being cared. b) Adaptability to the field environments. Earthquake observing in the field often encounters awful environments, such as dampness, dust, and abnormal climate, so how to make the instrument run well in the field circumstance must be considered. c) Ability of anti-vibration. The instrument for outdoor application must keep free from being destroyed during being transported long distance to the destination. d) Storage capacity. Because seismological data is large, how to store and collect the large amount data conveniently from the field is always a difficult point in the mobile observing system design. e) Automation. Timing and positioning automatically is necessary in the field. f) Power consumption. To reduce the power con-sumption as low as possible is very important to the mobile instrument which are powered with battery. g) Ability of testing itself. Testing itself automatically make it convenient in the fieldwork. h) Portability. The instrument must be portable and simply operated.