WorldWideScience

Sample records for ground-based software development

  1. Metadata database and data analysis software for the ground-based upper atmospheric data developed by the IUGONET project

    Science.gov (United States)

    Hayashi, H.; Tanaka, Y.; Hori, T.; Koyama, Y.; Shinbori, A.; Abe, S.; Kagitani, M.; Kouno, T.; Yoshida, D.; Ueno, S.; Kaneda, N.; Yoneda, M.; Tadokoro, H.; Motoba, T.; Umemura, N.; Iugonet Project Team

    2011-12-01

    The Inter-university Upper atmosphere Global Observation NETwork (IUGONET) is a Japanese inter-university project by the National Institute of Polar Research (NIPR), Tohoku University, Nagoya University, Kyoto University, and Kyushu University to build a database of metadata for ground-based observations of the upper atmosphere. The IUGONET institutes/universities have been collecting various types of data by radars, magnetometers, photometers, radio telescopes, helioscopes, etc. at various locations all over the world and at various altitude layers from the Earth's surface to the Sun. The metadata database will be of great help to researchers in efficiently finding and obtaining these observational data spread over the institutes/universities. This should also facilitate synthetic analysis of multi-disciplinary data, which will lead to new types of research in the upper atmosphere. The project has also been developing a software to help researchers download, visualize, and analyze the data provided from the IUGONET institutes/universities. The metadata database system is built on the platform of DSpace, which is an open source software for digital repositories. The data analysis software is written in the IDL language with the TDAS (THEMIS Data Analysis Software suite) library. These products have been just released for beta-testing.

  2. ForestCrowns: a software tool for analyzing ground-based digital photographs of forest canopies

    Science.gov (United States)

    Matthew F. Winn; Sang-Mook Lee; Phillip A. Araman

    2013-01-01

    Canopy coverage is a key variable used to characterize forest structure. In addition, the light transmitted through the canopy is an important ecological indicator of plant and animal habitat and understory climate conditions. A common ground-based method used to document canopy coverage is to take digital photographs from below the canopy. To assist with analyzing...

  3. Preparation of JEREMI Experiment: Development of the Ground Based Prototype

    Science.gov (United States)

    Yasnou, V.; Mialdun, A.; Shevtsova, V.

    2012-12-01

    This study has been performed in the frame of preparing the space experiment JEREMI (Japanese and European Research Experiment on Marangoni Instabilities). The use of forced coaxial gas flow is proposed as a way to stabilize the Marangoni convection in liquid bridges, which might have important technological applications in the floating zone technique. A new set-up is under development and all sub-systems have passed severe tests. Here we present the design of this set-up and preliminary results of experiments for shear-driven two-phase flows in a confined volume of liquid under conditions of normal gravity. The geometry corresponds to a cylindrical liquid bridge concentrically surrounded by an annular gas channel with external solid walls. Gas enters into the annular duct, flows between solid walls and upon reaching the liquid zone entrains initially quiescent liquid. The test liquids are ethanol, n-decane and 5 cSt silicone oil, which have different degrees of viscosity and of volatility. The gas flow along the interface strongly enhances the evaporation and, correspondingly, affects the interface shape. Silhouette measurements are used for optical determination of the interface shape. From the digital images the variation of the liquid volume as a function of flow rate is calculated.

  4. A new software suite for NO2 vertical profile retrieval from ground-based zenith-sky spectrometers

    International Nuclear Information System (INIS)

    Denis, L.; Roscoe, H.K.; Chipperfield, M.P.; Roozendael, M. van; Goutail, F.

    2005-01-01

    Here we present an operational method to improve accuracy and information content of ground-based measurements of stratospheric NO 2 . The motive is to improve the investigation of trends in NO 2 , and is important because the current trend in NO 2 appears to contradict the trend in its source, suggesting that the stratospheric circulation has changed. To do so, a new software package for retrieving NO 2 vertical profiles from slant columns measured by zenith-sky spectrometers has been created. It uses a Rodgers optimal linear inverse method coupled with a radiative transfer model for calculations of transfer functions between profiles and columns, and a chemical box model for taking into account the NO 2 variations during twilight and during the day. Each model has parameters that vary according to season and location. Forerunners of each model have been previously validated. The scheme maps random errors in the measurements and systematic errors in the models and their parameters on to the retrieved profiles. Initialisation for models is derived from well-established climatologies. The software has been tested by comparing retrieved profiles to simultaneous balloon-borne profiles at mid-latitudes in spring

  5. A new software suite for NO{sub 2} vertical profile retrieval from ground-based zenith-sky spectrometers

    Energy Technology Data Exchange (ETDEWEB)

    Denis, L. [British Antarctic Survey/NERC, Madingley Road, Cambridge CB3 0ET (United Kingdom); Roscoe, H.K. [British Antarctic Survey/NERC, Madingley Road, Cambridge CB3 0ET (United Kingdom)]. E-mail: h.roscoe@bas.ac.uk; Chipperfield, M.P. [Environment Centre, University of Leeds, Leeds LS2 9JT (United Kingdom); Roozendael, M. van [Belgian Institute for Space Aeronomy (BIRA/IASB), 1180 Brussels (Belgium); Goutail, F. [Service d' Aeronomie du CNRS, BP3, 91271 Verrieres le Buisson (France)

    2005-05-15

    Here we present an operational method to improve accuracy and information content of ground-based measurements of stratospheric NO{sub 2}. The motive is to improve the investigation of trends in NO{sub 2}, and is important because the current trend in NO{sub 2} appears to contradict the trend in its source, suggesting that the stratospheric circulation has changed. To do so, a new software package for retrieving NO{sub 2} vertical profiles from slant columns measured by zenith-sky spectrometers has been created. It uses a Rodgers optimal linear inverse method coupled with a radiative transfer model for calculations of transfer functions between profiles and columns, and a chemical box model for taking into account the NO{sub 2} variations during twilight and during the day. Each model has parameters that vary according to season and location. Forerunners of each model have been previously validated. The scheme maps random errors in the measurements and systematic errors in the models and their parameters on to the retrieved profiles. Initialisation for models is derived from well-established climatologies. The software has been tested by comparing retrieved profiles to simultaneous balloon-borne profiles at mid-latitudes in spring.

  6. Agile Software Development

    Science.gov (United States)

    Biju, Soly Mathew

    2008-01-01

    Many software development firms are now adopting the agile software development method. This method involves the customer at every level of software development, thus reducing the impact of change in the requirement at a later stage. In this article, the principles of the agile method for software development are explored and there is a focus on…

  7. Improving Software Developer's Competence

    DEFF Research Database (Denmark)

    Abrahamsson, Pekka; Kautz, Karlheinz; Sieppi, Heikki

    2002-01-01

    Emerging agile software development methods are people oriented development approaches to be used by the software industry. The personal software process (PSP) is an accepted method for improving the capabilities of a single software engineer. Five original hypotheses regarding the impact...

  8. Development of ground-based wind energy in DOM and Corsica - Joint CGEDD / CGEIET report

    International Nuclear Information System (INIS)

    Joannis de Verclos, Christian de; Albrecht, Patrick; Iselin, Philippe; Legait, Benoit; Vignolles, Denis

    2012-09-01

    Addressing the peculiar cases of the French overseas districts (DOM: Guadeloupe, Martinique, Guyana, Mayotte, La Reunion) and Corsica, this report analyzes four main topics: the objectives and challenges of ground-based wind energy (sustainable development, not-interconnected areas, and public service of electricity supply), the local situations and their cartography, the legal issues and the possible evolution options (energy law, environmental law, urban planning law, local community law), and the modalities of devolution of project. The authors highlight the issues which require a new legal framework, notably governance and the devolution procedure

  9. Development of a Ground-Based Atmospheric Monitoring Network for the Global Mercury Observation System (GMOS

    Directory of Open Access Journals (Sweden)

    Sprovieri F.

    2013-04-01

    Full Text Available Consistent, high-quality measurements of atmospheric mercury (Hg are necessary in order to better understand Hg emissions, transport, and deposition on a global scale. Although the number of atmospheric Hg monitoring stations has increased in recent years, the available measurement database is limited and there are many regions of the world where measurements have not been extensively performed. Long-term atmospheric Hg monitoring and additional ground-based monitoring sites are needed in order to generate datasets that will offer new insight and information about the global scale trends of atmospheric Hg emissions and deposition. In the framework of the Global Mercury Observation System (GMOS project, a coordinated global observational network for atmospheric Hg is being established. The overall research strategy of GMOS is to develop a state-of-the-art observation system able to provide information on the concentration of Hg species in ambient air and precipitation on the global scale. This network is being developed by integrating previously established ground-based atmospheric Hg monitoring stations with newly established GMOS sites that are located both at high altitude and sea level locations, as well as in climatically diverse regions. Through the collection of consistent, high-quality atmospheric Hg measurement data, we seek to create a comprehensive assessment of atmospheric Hg concentrations and their dependence on meteorology, long-range atmospheric transport and atmospheric emissions.

  10. Gammasphere software development

    International Nuclear Information System (INIS)

    Piercey, R.B.

    1994-01-01

    This report describes the activities of the nuclear physics group at Mississippi State University which were performed during 1993. Significant progress has been made in the focus areas: chairing the Gammasphere Software Working Group (SWG); assisting with the porting and enhancement of the ORNL UPAK histogramming software package; and developing standard formats for Gammasphere data products. In addition, they have established a new public ftp archive to distribute software and software development tools and information

  11. Gammasphere software development

    International Nuclear Information System (INIS)

    Piercey, R.B.

    1993-01-01

    Activities of the nuclear physics group are described. Progress was made in organizing the Gammasphere Software Working Group, establishing a nuclear computing facility, participating in software development at Lawrence Berkeley, developing a common data file format, and adapting the ORNL UPAK software to run at Gammasphere. A universal histogram object was developed that defines a file format and provides for an objective-oriented programming model. An automated liquid nitrogen fill system was developed for Gammasphere (110 Ge detectors comprise the sphere)

  12. Open Source Software Development

    Science.gov (United States)

    2011-01-01

    appropriate to refer to FOSS or FLOSS (L for Libre , where the alternative term “ libre software ” has popularity in some parts of the world) in order...Applying Social Network Analysis to Community-Drive Libre Software Projects, Intern. J. Info. Tech. and Web Engineering, 2006, 1(3), 27-28. 17...Open Source Software Development* Walt Scacchi Institute for Software Researcher University of California, Irvine Irvine, CA 92697-3455 USA Abstract

  13. Software engineering architecture-driven software development

    CERN Document Server

    Schmidt, Richard F

    2013-01-01

    Software Engineering: Architecture-driven Software Development is the first comprehensive guide to the underlying skills embodied in the IEEE's Software Engineering Body of Knowledge (SWEBOK) standard. Standards expert Richard Schmidt explains the traditional software engineering practices recognized for developing projects for government or corporate systems. Software engineering education often lacks standardization, with many institutions focusing on implementation rather than design as it impacts product architecture. Many graduates join the workforce with incomplete skil

  14. Agile software development

    CERN Document Server

    Dingsoyr, Torgeir; Moe, Nils Brede

    2010-01-01

    Agile software development has become an umbrella term for a number of changes in how software developers plan and coordinate their work, how they communicate with customers and external stakeholders, and how software development is organized in small, medium, and large companies, from the telecom and healthcare sectors to games and interactive media. Still, after a decade of research, agile software development is the source of continued debate due to its multifaceted nature and insufficient synthesis of research results. Dingsoyr, Dyba, and Moe now present a comprehensive snapshot of the kno

  15. Hospital Management Software Development

    OpenAIRE

    sobogunGod, olawale

    2012-01-01

    The purpose of this thesis was to implement a hospital management software which is suitable for small private hospitals in Nigeria, especially for the ones that use a file based system for storing information rather than having it stored in a more efficient and safer environment like databases or excel programming software. The software developed within this thesis project was specifically designed for the Rainbow specialist hospital which is based in Lagos, the commercial neurological cente...

  16. Developing Software Simulations

    Directory of Open Access Journals (Sweden)

    Tom Hall

    2007-06-01

    Full Text Available Programs in education and business often require learners to develop and demonstrate competence in specified areas and then be able to effectively apply this knowledge. One method to aid in developing a skill set in these areas is through the use of software simulations. These simulations can be used for learner demonstrations of competencies in a specified course as well as a review of the basic skills at the beginning of subsequent courses. The first section of this paper discusses ToolBook, the software used to develop our software simulations. The second section discusses the process of developing software simulations. The third part discusses how we have used software simulations to assess student knowledge of research design by providing simulations that allow the student to practice using SPSS and Excel.

  17. Next Generation Software Development

    National Research Council Canada - National Science Library

    Manna, Zohar

    2005-01-01

    Under this grant we have studied the development of a scientifically sound basis for software development that builds on widely used pragmatic methods but is firmly grounded in well-established formal...

  18. Systematic Software Development

    DEFF Research Database (Denmark)

    Kuhrmann, Marco; Méndez Fernández, Daniel

    2015-01-01

    The speed of innovation and the global allocation of resources to accelerate development or to reduce cost put pressure on the software industry. In the global competition, especially so-called high-price countries have to present arguments why the higher development cost is justified and what...... makes these countries an attractive host for software companies. Often, high-quality engineering and excellent quality of products, e.g., machinery and equipment, are mentioned. Yet, the question is: Can such arguments be also found for the software industry? We aim at investigating the degree...... of professionalism and systematization of software development to draw a map of strengths and weaknesses. To this end, we conducted as a first step an exploratory survey in Germany, presented in this paper. In this survey, we focused on the perceived importance of the two general software engineering process areas...

  19. Development and verification of ground-based tele-robotics operations concept for Dextre

    Science.gov (United States)

    Aziz, Sarmad

    2013-05-01

    The Special Purpose Dextreous Manipulator (Dextre) is the latest addition to the on-orbit segment of the Mobile Servicing System (MSS); Canada's contribution to the International Space Station (ISS). Launched in March 2008, the advanced two-armed robot is designed to perform various ISS maintenance tasks on robotically compatible elements and on-orbit replaceable units using a wide variety of tools and interfaces. The addition of Dextre has increased the capabilities of the MSS, and has introduced significant complexity to ISS robotics operations. While the initial operations concept for Dextre was based on human-in-the-loop control by the on-orbit astronauts, the complexities of robotic maintenance and the associated costs of training and maintaining the operator skills required for Dextre operations demanded a reexamination of the old concepts. A new approach to ISS robotic maintenance was developed in order to utilize the capabilities of Dextre safely and efficiently, while at the same time reducing the costs of on-orbit operations. This paper will describe the development, validation, and on-orbit demonstration of the operations concept for ground-based tele-robotics control of Dextre. It will describe the evolution of the new concepts from the experience gained from the development and implementation of the ground control capability for the Space Station Remote Manipulator System; Canadarm 2. It will discuss the various technical challenges faced during the development effort, such as requirements for high positioning accuracy, force/moment sensing and accommodation, failure tolerance, complex tool operations, and the novel operational tools and techniques developed to overcome them. The paper will also describe the work performed to validate the new concepts on orbit and will discuss the results and lessons learned from the on-orbit checkout and commissioning of Dextre using the newly developed tele-robotics techniques and capabilities.

  20. Reaching for the stars - New developments in ground-based astronomy

    CERN Document Server

    CERN. Geneva

    2015-01-01

    I will briefly review the state-of-the-art in ground-based astronomy - both on the telescope side and the instrument side. Interesting parallels can be drawn in cost, construction and operations with the particle physics facilities. I will then present some recent results in the two hottest topics in astronomy, driving the requests for more advanced facilities: exoplanets and the hunt for life beyond the solar system (calling for Extremely Large Telescope); and cosmology and the understanding of dark energy (calling for large survey telescopes). This will lead to a description of the latest telescope project developments on the ground: the on-going construction of the Large Synoptic Telescope on a quest to better understand dark energy, and the start of the construction of three Extremely Large Telescopes by European and US-led international consortia, hoping to find life on planets around nearby stars.   ATS Seminars Organisers: H. Burkhardt (BE), M. Modena (TE), T. Stora (EN) Coffee / tea will ...

  1. Space Flight Software Development Software for Intelligent System Health Management

    Science.gov (United States)

    Trevino, Luis C.; Crumbley, Tim

    2004-01-01

    The slide presentation examines the Marshall Space Flight Center Flight Software Branch, including software development projects, mission critical space flight software development, software technical insight, advanced software development technologies, and continuous improvement in the software development processes and methods.

  2. Global software development

    DEFF Research Database (Denmark)

    Matthiesen, Stina

    2016-01-01

    This overview presents the mid stages of my doctoral research-based on ethnographic work conducted in IT companies in India and in Denmark-on collaborative work within global software development (GSD). In the following I briefly introduce how this research seeks to spark a debate in CSCW...... by challenging contemporary ideals about software development outsourcing through the exploration of the multiplicities and asymmetric dynamics inherent in the collaborative work of GSD....

  3. Modern developments for ground-based monitoring of fire behavior and effects

    Science.gov (United States)

    Colin C. Hardy; Robert Kremens; Matthew B. Dickinson

    2010-01-01

    Advances in electronic technology over the last several decades have been staggering. The cost of electronics continues to decrease while system performance increases seemingly without limit. We have applied modern techniques in sensors, electronics and instrumentation to create a suite of ground based diagnostics that can be used in laboratory (~ 1 m2), field scale...

  4. Six Sigma software development

    CERN Document Server

    Tayntor, Christine B

    2002-01-01

    Since Six Sigma has had marked success in improving quality in other settings, and since the quality of software remains poor, it seems a natural evolution to apply the concepts and tools of Six Sigma to system development and the IT department. Until now however, there were no books available that applied these concepts to the system development process. Six Sigma Software Development fills this void and illustrates how Six Sigma concepts can be applied to all aspects of the evolving system development process. It includes the traditional waterfall model and in the support of legacy systems,

  5. Agile software development

    CERN Document Server

    Stober, Thomas

    2009-01-01

    Software Development is moving towards a more agile and more flexible approach. It turns out that the traditional 'waterfall' model is not supportive in an environment where technical, financial and strategic constraints are changing almost every day. But what is agility? What are today's major approaches? And especially: What is the impact of agile development principles on the development teams, on project management and on software architects? How can large enterprises become more agile and improve their business processes, which have been existing since many, many years? What are the limit

  6. Patterns in Software Development

    DEFF Research Database (Denmark)

    Corry, Aino Vonge

    the university and I entered a project to industry within Center for Object Technology (COT). I focused on promoting the pattern concept to the Danish software industry in order to help them take advantage of the benefits of applying patterns in system development. In the obligatory stay abroad, I chose to visit...

  7. Agile distributed software development

    DEFF Research Database (Denmark)

    Persson, John Stouby; Mathiassen, Lars; Aaen, Ivan

    2012-01-01

    While face-to-face interaction is fundamental in agile software development, distributed environments must rely extensively on mediated interactions. Practicing agile principles in distributed environments therefore poses particular control challenges related to balancing fixed vs. evolving quality...... requirements and people vs. process-based collaboration. To investigate these challenges, we conducted an in-depth case study of a successful agile distributed software project with participants from a Russian firm and a Danish firm. Applying Kirsch’s elements of control framework, we offer an analysis of how...

  8. Development and calibration of a ground-based active collector for cloud- and fogwater

    Energy Technology Data Exchange (ETDEWEB)

    Kins, L.; Junkermann, W.; Meixner, F.X.; Muller, K.P.; Ehhalt, D.H.

    1986-04-01

    In spring 1985, field experiments were started to study the scavenging processes of atmospheric trace substances. Besides the chemical analysis of precipitation sample, these studies required simultaneous collection of cloud water for chemical analysis. In particular, a ground-based cloud water collector was needed, suitable for use on the top of a TV-tower. Existing designs of ground-based cloud or fogwater samplers be divided into two general classes: a) passive collectors, which utilize the ambient wind to impact the droplets on the collection surface; b) active collectors, which accelerate the droplets to a certain velocity as they approach the collection surface. Teflon-strings are extended between two disks which are 1m apart. The disadvantage of this collector, for these experiments, was that the collector strings are always exposed to the ambient air, so that contamination by aerosol impact during dry periods can not be excluded. Furthermore, because of the length of the strings, impacted droplets need a certain time to drain off, during which they remain exposed to the ambient air stream and continue to scavenge trace gases.

  9. A Case for Developing a Ground Based Replication of the Earth, Moon and Mars Spaceflight Infrastructure

    Science.gov (United States)

    Bradford, Robert N.; Best, Susan L.

    2006-01-01

    When the systems are developed and in place to provide the services needed to operate en route and on the Lunar and Martian surfaces, an Earth based replication will need to be in place for the safety and protection of mission success. The replication will entail all aspects of the flight configuration end to end but will not include any closed loop systems. This would replicate the infrastructure from Lunar and Martian robots, manned surface excursions, through man and unmanned terrestrial bases, through the various types of communication systems and technologies, manned and un-manned space vehicles (large and small), to Earth based systems and control centers. An Earth based replicated infrastructure will enable checkout and test of new technologies, hardware, software updates and upgrades and procedures without putting humans and missions at risk. Analysis of events, what ifs and trouble resolution could be played out on the ground to remove as much risk as possible from any type of proposed change to flight operational systems. With adequate detail, it is possible that failures could be predicted with a high probability and action taken to eliminate failures. A major factor in any mission to the Moon and to Mars is the complexity of systems, interfaces, processes, their limitations, associated risks and the factor of the unknown including the development by many contractors and NASA centers. The need to be able to introduce new technologies over the life of the program requires an end to end test bed to analyze and evaluate these technologies and what will happen when they are introduced into the flight system. The ability to analyze system behaviors end to end under varying conditions would enhance safety e.g. fault tolerances. This analysis along with the ability to mine data from the development environment (e.g. test data), flight ops and modeling/simulations data would provide a level of information not currently available to operations and astronauts. In

  10. Package-based software development

    NARCIS (Netherlands)

    Jonge, de M.; Chroust, G.; Hofer, C.

    2003-01-01

    The main goal of component-based software engineering is to decrease development time and development costs of software systems, by reusing prefabricated building blocks. Here we focus on software reuse within the implementation of such component-based applications, and on the corresponding software

  11. DEM Development from Ground-Based LiDAR Data: A Method to Remove Non-Surface Objects

    Directory of Open Access Journals (Sweden)

    Maneesh Sharma

    2010-11-01

    Full Text Available Topography and land cover characteristics can have significant effects on infiltration, runoff, and erosion processes on watersheds. The ability to model the timing and routing of surface water and erosion is affected by the resolution of the digital elevation model (DEM. High resolution ground-based Light Detecting and Ranging (LiDAR technology can be used to collect detailed topographic and land cover characteristic data. In this study, a method was developed to remove vegetation from ground-based LiDAR data to create high resolution DEMs. Research was conducted on intensively studied rainfall–runoff plots on the USDA-ARS Walnut Gulch Experimental Watershed in Southeast Arizona. LiDAR data were used to generate 1 cm resolution digital surface models (DSM for 5 plots. DSMs created directly from LiDAR data contain non-surface objects such as vegetation cover. A vegetation removal method was developed which used a slope threshold and a focal mean filter method to remove vegetation and create bare earth DEMs. The method was validated on a synthetic plot, where rocks and vegetation were added incrementally. Results of the validation showed a vertical error of ±7.5 mm in the final DEM.

  12. The ground based plan

    International Nuclear Information System (INIS)

    1989-01-01

    The paper presents a report of ''The Ground Based Plan'' of the United Kingdom Science and Engineering Research Council. The ground based plan is a plan for research in astronomy and planetary science by ground based techniques. The contents of the report contains a description of:- the scientific objectives and technical requirements (the basis for the Plan), the present organisation and funding for the ground based programme, the Plan, the main scientific features and the further objectives of the Plan. (U.K.)

  13. Gammasphere software development. Progress report

    Energy Technology Data Exchange (ETDEWEB)

    Piercey, R.B.

    1994-01-01

    This report describes the activities of the nuclear physics group at Mississippi State University which were performed during 1993. Significant progress has been made in the focus areas: chairing the Gammasphere Software Working Group (SWG); assisting with the porting and enhancement of the ORNL UPAK histogramming software package; and developing standard formats for Gammasphere data products. In addition, they have established a new public ftp archive to distribute software and software development tools and information.

  14. Secure software development training course

    Directory of Open Access Journals (Sweden)

    Victor S. Gorbatov

    2017-06-01

    Full Text Available Information security is one of the most important criteria for the quality of developed software. To obtain a sufficient level of application security companies implement security process into software development life cycle. At this stage software companies encounter with deficit employees who able to solve problems of software design, implementation and application security. This article provides a description of the secure software development training course. Training course of application security is designed for co-education students of different IT-specializations.

  15. The Ragnarok Software Development Environment

    DEFF Research Database (Denmark)

    Christensen, Henrik Bærbak

    1999-01-01

    Ragnarok is an experimental software development environment that focuses on enhanced support for managerial activities in large scale software development taking the daily work of the software developer as its point of departure. The main emphasis is support in three areas: management, navigation......, and collaboration. The leitmotif is the software architecture, which is extended to handle managerial data in addition to source code; this extended software architecture is put under tight version- and configuration management control and furthermore used as basis for visualisation. Preliminary results of using...

  16. Autonomous Aerobraking Development Software: Phase 2 Summary

    Science.gov (United States)

    Cianciolo, Alicia D.; Maddock, Robert W.; Prince, Jill L.; Bowes, Angela; Powell, Richard W.; White, Joseph P.; Tolson, Robert; O'Shaughnessy, Daniel; Carrelli, David

    2013-01-01

    NASA has used aerobraking at Mars and Venus to reduce the fuel required to deliver a spacecraft into a desired orbit compared to an all-propulsive solution. Although aerobraking reduces the propellant, it does so at the expense of mission duration, large staff, and DSN coverage. These factors make aerobraking a significant cost element in the mission design. By moving on-board the current ground-based tasks of ephemeris determination, atmospheric density estimation, and maneuver sizing and execution, a flight project would realize significant cost savings. The NASA Engineering and Safety Center (NESC) sponsored Phase 1 and 2 of the Autonomous Aerobraking Development Software (AADS) study, which demonstrated the initial feasibility of moving these current ground-based functions to the spacecraft. This paper highlights key state-of-the-art advancements made in the Phase 2 effort to verify that the AADS algorithms are accurate, robust and ready to be considered for application on future missions that utilize aerobraking. The advancements discussed herein include both model updates and simulation and benchmark testing. Rigorous testing using observed flight atmospheres, operational environments and statistical analysis characterized the AADS operability in a perturbed environment.

  17. Reviews in innovative software development

    DEFF Research Database (Denmark)

    Aaen, Ivan; Boelsmand, Jeppe Vestergaard; Jensen, Rasmus

    2009-01-01

    This paper proposes a new review approach for innovative software development. Innovative software development implies that requirements are rarely available as a basis for reviewing and that the purpose of a review is as much to forward additional ideas, as to validate what has been accomplished...

  18. Aspect-Oriented Software Development

    NARCIS (Netherlands)

    Filman, R.E.; Elrad, T.; Clarke, S.; Aksit, Mehmet; Unknown, [Unknown

    2004-01-01

    Software development is changing. The opportunities of the Internet, computerized businesses, and computer-savvy consumers, the exponential decline in the cost of computation and communication, and the increasingly dynamic environment for longer-living systems are pressing software developers to

  19. Educational Software: A Developer's Perspective.

    Science.gov (United States)

    Armstrong, Timothy C.; Loane, Russell F.

    1994-01-01

    Examines the current status and short-term future of computer software development in higher education. Topics discussed include educational advantages of software; current program development techniques, including object oriented programming; and market trends, including IBM versus Macintosh and multimedia programs. (LRW)

  20. From Software Development to Software Assembly

    NARCIS (Netherlands)

    Sneed, Harry M.; Verhoef, Chris

    2016-01-01

    The lack of skilled programming personnel and the growing burden of maintaining customized software are forcing organizations to quit producing their own software. It's high time they turned to ready-made, standard components to fulfill their business requirements. Cloud services might be one way to

  1. Software development without languages

    Science.gov (United States)

    Osborne, Haywood S.

    1988-01-01

    Automatic programming generally involves the construction of a formal specification; i.e., one which allows unambiguous interpretation by tools for the subsequent production of the corresponding software. Previous practical efforts in this direction have focused on the serious problems of: (1) designing the optimum specification language; and (2) mapping (translating or compiling) from this specification language to the program itself. The approach proposed bypasses the above problems. It postulates that the specification proper should be an intermediate form, with the sole function of containing information sufficient to facilitate construction of programs and also of matching documentation. Thus, the means of forming the intermediary becomes a human factors task rather than a linguistic one; human users will read documents generated from the specification, rather than the specification itself.

  2. Resource utilization during software development

    Science.gov (United States)

    Zelkowitz, Marvin V.

    1988-01-01

    This paper discusses resource utilization over the life cycle of software development and discusses the role that the current 'waterfall' model plays in the actual software life cycle. Software production in the NASA environment was analyzed to measure these differences. The data from 13 different projects were collected by the Software Engineering Laboratory at NASA Goddard Space Flight Center and analyzed for similarities and differences. The results indicate that the waterfall model is not very realistic in practice, and that as technology introduces further perturbations to this model with concepts like executable specifications, rapid prototyping, and wide-spectrum languages, we need to modify our model of this process.

  3. Customer Interaction in Software Development: A Comparison of Software Methodologies Deployed in Namibian Software Firms

    CSIR Research Space (South Africa)

    Iyawa, GE

    2016-01-01

    Full Text Available within the Namibian context. An implication for software project managers and software developers is that customer interaction should be properly managed to ensure that the software methodologies for improving software development processes...

  4. Software development for teleroentgenogram analysis

    Science.gov (United States)

    Goshkoderov, A. A.; Khlebnikov, N. A.; Obabkov, I. N.; Serkov, K. V.; Gajniyarov, I. M.; Aliev, A. A.

    2017-09-01

    A framework for the analysis and calculation of teleroentgenograms was developed. Software development was carried out in the Department of Children's Dentistry and Orthodontics in Ural State Medical University. The software calculates the teleroentgenogram by the original method which was developed in this medical department. Program allows designing its own methods for calculating the teleroentgenograms by new methods. It is planned to use the technology of machine learning (Neural networks) in the software. This will help to make the process of calculating the teleroentgenograms easier because methodological points will be placed automatically.

  5. Lean software development in action

    CERN Document Server

    Janes, Andrea

    2014-01-01

    This book illustrates how goal-oriented, automated measurement can be used to create Lean organizations and to facilitate the development of Lean software, while also demonstrating the practical implementation of Lean software development by combining tried and trusted tools. In order to be successful, a Lean orientation of software development has to go hand in hand with a company's overall business strategy. To achieve this, two interrelated aspects require special attention: measurement and experience management. In this book, Janes and Succi provide the necessary knowledge to establish "

  6. Software Development Standard Processes (SDSP)

    Science.gov (United States)

    Lavin, Milton L.; Wang, James J.; Morillo, Ronald; Mayer, John T.; Jamshidian, Barzia; Shimizu, Kenneth J.; Wilkinson, Belinda M.; Hihn, Jairus M.; Borgen, Rosana B.; Meyer, Kenneth N.; hide

    2011-01-01

    A JPL-created set of standard processes is to be used throughout the lifecycle of software development. These SDSPs cover a range of activities, from management and engineering activities, to assurance and support activities. These processes must be applied to software tasks per a prescribed set of procedures. JPL s Software Quality Improvement Project is currently working at the behest of the JPL Software Process Owner to ensure that all applicable software tasks follow these procedures. The SDSPs are captured as a set of 22 standards in JPL s software process domain. They were developed in-house at JPL by a number of Subject Matter Experts (SMEs) residing primarily within the Engineering and Science Directorate, but also from the Business Operations Directorate and Safety and Mission Success Directorate. These practices include not only currently performed best practices, but also JPL-desired future practices in key thrust areas like software architecting and software reuse analysis. Additionally, these SDSPs conform to many standards and requirements to which JPL projects are beholden.

  7. Computer-aided software development

    International Nuclear Information System (INIS)

    Teichroew, D.; Hershey, E.A. III; Yamamoto, Y.

    1978-01-01

    In recent years, as the hardware cost/capability ratio has continued to decrease and as much of the routine data processing has been computerized, the emphasis in software development has shifted from just getting systems operational to the maintenance of existing systems, reduction of duplication by integration, selective addition of new applications, systems that are more usable, maintainable, portable and reliable and to improving the productivity of software developers. This paper examines a number of trends that are changing the methods by which software is being produced and used. (Auth.)

  8. Social software in global software development

    DEFF Research Database (Denmark)

    Giuffrida, Rosalba; Dittrich, Yvonne

    2010-01-01

    variety of tools such as: instant messaging, internet forums, mailing lists, blogs, wikis, social network sites, social bookmarking, social libraries, virtual worlds. Though normally rather belonging to the private realm, the use of social software in corporate context has been reported, e.g. as a way...

  9. ARADISH - Development of a Standardized Plant Growth Chamber for Experiments in Gravitational Biology Using Ground Based Facilities

    Science.gov (United States)

    Schüler, Oliver; Krause, Lars; Görög, Mark; Hauslage, Jens; Kesseler, Leona; Böhmer, Maik; Hemmersbach, Ruth

    2016-06-01

    Plant development strongly relies on environmental conditions. Growth of plants in Biological Life Support Systems (BLSS), which are a necessity to allow human survival during long-term space exploration missions, poses a particular problem for plant growth, as in addition to the traditional environmental factors, microgravity (or reduced gravity such as on Moon or Mars) and limited gas exchange hamper plant growth. Studying the effects of reduced gravity on plants requires real or simulated microgravity experiments under highly standardized conditions, in order to avoid the influence of other environmental factors. Analysis of a large number of biological replicates, which is necessary for the detection of subtle phenotypical differences, can so far only be achieved in Ground Based Facilities (GBF). Besides different experimental conditions, the usage of a variety of different plant growth chambers was a major factor that led to a lack of reproducibility and comparability in previous studies. We have developed a flexible and customizable plant growth chamber, called ARAbidopsis DISH (ARADISH), which allows plant growth from seed to seedling, being realized in a hydroponic system or on Agar. By developing a special holder, the ARADISH can be used for experiments with Arabidopsis thaliana or a plant with a similar habitus on common GBF hardware, including 2D clinostats and Random Positioning Machines (RPM). The ARADISH growth chamber has a controlled illumination system of red and blue light emitting diodes (LED), which allows the user to apply defined light conditions. As a proof of concept we tested a prototype in a proteomic experiment in which plants were exposed to simulated microgravity or a 90° stimulus. We optimized the design and performed viability tests after several days of growth in the hardware that underline the utility of ARADISH in microgravity research.

  10. Workshop on Developing Safe Software

    International Nuclear Information System (INIS)

    Lawrence, J.D.

    1994-11-01

    The Workshop on Developing Safe Software was held July 22--23, 1992, at the Hotel del Coronado, San Diego, California. The purpose of the workshop was to have four world experts discuss among themselves software safety issues which are of interest to the US Nuclear Regulatory Commission. These issues concern the development of software systems for use in nuclear power plant protection systems. The workshop comprised four sessions. Wednesday morning, July 22, consisted of presentations from each of the four panel members. On Wednesday afternoon, the panel members went through a list of possible software development techniques and commented on them. The Thursday morning, July 23, session consisted of an extended discussion among the panel members and the observers from the NRC. A final session on Thursday afternoon consisted of a discussion among the NRC observers as to what was learned from the workshop

  11. Workshop on developing safe software

    International Nuclear Information System (INIS)

    Lawrence, J.D.

    1992-01-01

    The Workshop on Developing Safe Software was held July 22--23 at the Hotel del Coronado, San Diego, California. The purpose of the workshop was to have four world experts discuss among themselves software safety issues which are of interest to the U. S. Nuclear Regulatory Commission (NRC). These issues concern the development of software systems for use in nuclear power plant protection systems. The workshop comprised four sessions. Wednesday morning, July 22, consisted of presentations from each of the four panel members. On Wednesday afternoon, the panel members went through a list of possible software development techniques and commented on them. The Thursday morning, July 23, session consisted of an extended discussion among the panel members and the observers from the NRC. A final session on Thursday afternoon consisted of a discussion among the NRC observers as to what was teamed from the workshop

  12. Auditing Community Software Development

    Directory of Open Access Journals (Sweden)

    Mészáros Gergely

    2015-12-01

    Full Text Available In accordance with European efforts related to Critical Information Infrastructure Protection, in Hungary a special department called LRL-IBEK has been formed which is designated under the Disaster Management. While specific security issues of commercial applications are well understood and regulated by widely applied standards, increasing share of information systems are developed partly or entirely in a different way, by the community. In this paper different issues of the open development style will be discussed regarding the high requirements of Critical Information Infrastructures, and possible countermeasures will be suggested for the identified problems.

  13. Impact of Agile Software Development Model on Software Maintainability

    Science.gov (United States)

    Gawali, Ajay R.

    2012-01-01

    Software maintenance and support costs account for up to 60% of the overall software life cycle cost and often burdens tightly budgeted information technology (IT) organizations. Agile software development approach delivers business value early, but implications on software maintainability are still unknown. The purpose of this quantitative study…

  14. Development and software piracy

    OpenAIRE

    Martínez-Sánchez, Francisco; Romeu, Andrés

    2018-01-01

    In this paper, the authors analyze the differences in piracy rates from one country to another. Like previous papers on the topic, they find that more developed countries have lower incentives for pirating. Unlike previous papers, they find that the piracy rate is positively correlated with the tax burden rate but negatively correlated with the domestic market size and exports over GDP. The authors also separate the impacts of education and R&D on piracy, and find two effects with opposite si...

  15. Fundamentals of multicore software development

    CERN Document Server

    Pankratius, Victor; Tichy, Walter F

    2011-01-01

    With multicore processors now in every computer, server, and embedded device, the need for cost-effective, reliable parallel software has never been greater. By explaining key aspects of multicore programming, Fundamentals of Multicore Software Development helps software engineers understand parallel programming and master the multicore challenge. Accessible to newcomers to the field, the book captures the state of the art of multicore programming in computer science. It covers the fundamentals of multicore hardware, parallel design patterns, and parallel programming in C++, .NET, and Java. It

  16. Understanding flexible and distributed software development processes

    OpenAIRE

    Agerfalk, Par J.; Fitzgerald, Brian

    2006-01-01

    peer-reviewed The minitrack on Flexible and Distributed Software Development Processes addresses two important and partially intertwined current themes in software development: process flexibility and globally distributed software development

  17. Gamification in Software Development Projects

    Directory of Open Access Journals (Sweden)

    Platonova Valērija

    2017-12-01

    Full Text Available Gamification is one of the many ways to motivate employees and introduce more fun in daily activities. The aim of the paper is to analyse the impact of gamification method on the software development projects. The paper contains results of a literature review about application areas of gamification, methods, positive and negative effects on projects. The paper also presents an overview of the gamification tools used in software development projects and attempts to answer the question about benefits of gamification usage: whether gamification in the project leads to the desired results and increases the employee productivity and motivation.

  18. The MINERVA Software Development Process

    Science.gov (United States)

    Narkawicz, Anthony; Munoz, Cesar A.; Dutle, Aaron M.

    2017-01-01

    This paper presents a software development process for safety-critical software components of cyber-physical systems. The process is called MINERVA, which stands for Mirrored Implementation Numerically Evaluated against Rigorously Verified Algorithms. The process relies on formal methods for rigorously validating code against its requirements. The software development process uses: (1) a formal specification language for describing the algorithms and their functional requirements, (2) an interactive theorem prover for formally verifying the correctness of the algorithms, (3) test cases that stress the code, and (4) numerical evaluation on these test cases of both the algorithm specifications and their implementations in code. The MINERVA process is illustrated in this paper with an application to geo-containment algorithms for unmanned aircraft systems. These algorithms ensure that the position of an aircraft never leaves a predetermined polygon region and provide recovery maneuvers when the region is inadvertently exited.

  19. Safety critical software development qualification

    International Nuclear Information System (INIS)

    Marron, J. E.

    2006-01-01

    With the increasing use of digital systems in control applications, customers must acquire appropriate expectations for software development and quality assurance procedures. Purchasers and users of digital systems need to understand the benefits to the supplier of effective quality systems. These systems consist not only of procedures but tools that enable automation. Without the use of automation, quality can not be assured. A software and systems quality program starts with the documents you are very familiar with. But these documents must define more than the final system. They must address specific development environment characteristics and testing capabilities. Starting with the RFP, some of the items that should be introduced are Software Configuration Management, regression testing and defect tracking. The digital system customer is in the best position to enforce the use of software and systems quality programs by including them in project requirements as early as the Purchase Order. The customer's understanding of the full scope and implementation of a software quality program is essential to achieving the quality necessary in nuclear projects, and, incidentally, completing those projects on schedule. (authors)

  20. Usability in open source software development

    DEFF Research Database (Denmark)

    Andreasen, M. S.; Nielsen, H. V.; Schrøder, S. O.

    2006-01-01

    Open Source Software (OSS) development has gained significant importance in the production of soft-ware products. Open Source Software developers have produced systems with a functionality that is competitive with similar proprietary software developed by commercial software organizations. Yet OSS...

  1. Development of ground-based lidars for measuring H2O and O3 profiles in the troposphere

    Science.gov (United States)

    Sakai, T.; Abo, M.; Pham, L. H. P.; Uchino, O.; Nagai, T.; Izumi, T.; Morino, I.; Ohyama, H.; Nagasawa, C.

    2015-12-01

    Water vapor is the strongest natural greenhouse gas and a highly variable atmospheric constituent. It plays an important role of the energy transfer and the meteorological phenomena such as evaporation, vapor transport, cloud formation, and rainfall in the troposphere. Ozone is an important air pollutant that at high concentrations impacts on human health and ecosystem including crops and also a greenhouse gas that plays an important role in climate change. Aerosol is an important climate parameter and also one of the largest error sources (causes) in retrieval from solar reflected short wavelength infrared radiances observed with greenhouse gases observing satellites such as the GOSAT and OCO-2. Therefore, we have been developing ground-based differential absorption lidars (DIALs) for measuring the tropospheric water vapor, ozone and aerosols.The water vapor DIAL employs two distributed Bragg reflector (DBR) lasers operating at 829.054 nm for the online wavelength and 829.124 nm for the offline wavelength with tapered semiconductor optical amplifier (TSOA) in a master oscillator power amplifier (MOPA) configuration, and utilizes pseudorandom coded pulse modulation technique.It has started to measure the vertical distribution of lower tropospheric water vapor in order to improve accuracy and lead time of numerical weather prediction of local heavy rainfalls. Well-organized and regularly spaced convective cells of which vertical thickness were 200 m and the periods were 10 minutes were observed in the top of planetary boundary layer at 2.5 km altitude over Tokyo (35.66°N, 139.37°E) on 22 June 2015.The ozone DIAL employs a Nd:YAG laser and a 2 m long Raman cell filled with CO2 gas which generates four Stokes lines (276.2, 287.2, 299.1, and 312.0 nm) of stimulated Raman scattering, and two receiving telescopes with diameters of 49 and 10 cm.It has started to measure the vertical distributions of the tropospheric ozone as well as aerosols and thin cirrus cloud in

  2. Post-Modern Software Development

    Science.gov (United States)

    Filman, Robert E.

    2005-01-01

    The history of software development includes elements of art, science, engineering, and fashion(though very little manufacturing). In all domains, old ideas give way or evolve to new ones: in the fine arts, the baroque gave way to rococo, romanticism, modernism, postmodernism, and so forth. What is the postmodern programming equivalent? That is, what comes after object orientation?

  3. Patterns of Software Development Process

    Directory of Open Access Journals (Sweden)

    Sandro Javier Bolaños Castro

    2011-12-01

    Full Text Available "Times New Roman","serif";mso-fareast-font-family:"Times New Roman";mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">This article presents a set of patterns that can be found to perform best practices in software processes that are directly related to the problem of implementing the activities of the process, the roles involved, the knowledge generated and the inputs and outputs belonging to the process. In this work, a definition of the architecture is encouraged by using different recurrent configurations that strengthen the process and yield efficient results for the development of a software project. The patterns presented constitute a catalog, which serves as a vocabulary for communication among project participants [1], [2], and also can be implemented through software tools, thus facilitating patterns implementation [3]. Additionally, a tool that can be obtained under GPL (General Public license is provided for this purpose

  4. Extending the agile development process to develop acceptably secure software

    NARCIS (Netherlands)

    Ben Othmane, L.; Angin, P.; Weffers, H.T.G.; Bhargava, B.

    2013-01-01

    The agile software development approach makes developing secure software challenging. Existing approaches for extending the agile development process, which enables incremental and iterative software development, fall short of providing a method for efficiently ensuring the security of the software

  5. Managing MDO Software Development Projects

    Science.gov (United States)

    Townsend, J. C.; Salas, A. O.

    2002-01-01

    Over the past decade, the NASA Langley Research Center developed a series of 'grand challenge' applications demonstrating the use of parallel and distributed computation and multidisciplinary design optimization. All but the last of these applications were focused on the high-speed civil transport vehicle; the final application focused on reusable launch vehicles. Teams of discipline experts developed these multidisciplinary applications by integrating legacy engineering analysis codes. As teams became larger and the application development became more complex with increasing levels of fidelity and numbers of disciplines, the need for applying software engineering practices became evident. This paper briefly introduces the application projects and then describes the approaches taken in project management and software engineering for each project; lessons learned are highlighted.

  6. Adopting to Agile Software Development

    Directory of Open Access Journals (Sweden)

    Linkevics Gusts

    2014-12-01

    Full Text Available Agile software development can be made successful, but there is no well-defined way how to achieve this. The problem is that the successful adoption of agile methods and practices is a complex process and this process should be customizable for a particular organization or a team. This research focuses on identification of agile methods and practices. Result of the research is the ranking of agile methods, practices and their usage trends. As some terms of agile software development are interpreted differently in different organizations and teams, terminology used is analyzed. Results of the research can be used as a reference material for those who are planning to adopt agile methods or are looking for the next agile practice to implement. Results will be used for the development of an expert system to support agile adoption.

  7. Management of Software Development Projects

    Directory of Open Access Journals (Sweden)

    Felician ALECU

    2011-04-01

    Full Text Available Any major software development starts with the Initiating process group. Once the charter document is approved, the Planning and then to the Executing stages will follow. Monitoring and Controlling is measuring the potential performance deviation of the project in terms of schedule and costs and performs the related Integrated Change Control activities. At the end, during the Closing, the program/project manager will check the entire work is completed and the objectives are met.

  8. Comparative study on software development methodologies

    OpenAIRE

    Mihai Liviu DESPA

    2014-01-01

    This paper focuses on the current state of knowledge in the field of software development methodologies. It aims to set the stage for the formalization of a software development methodology dedicated to innovation orientated IT projects. The paper starts by depicting specific characteristics in software development project management. Managing software development projects involves techniques and skills that are proprietary to the IT industry. Also the software development project manager han...

  9. Software Development as Music Education Research

    Science.gov (United States)

    Brown, Andrew R.

    2007-01-01

    This paper discusses how software development can be used as a method for music education research. It explains how software development can externalize ideas, stimulate action and reflection, and provide evidence to support the educative value of new software-based experiences. Parallels between the interactive software development process and…

  10. Development of Farm Records Software

    Directory of Open Access Journals (Sweden)

    M. S. Abubakar

    2017-12-01

    Full Text Available Farm records are mostly manually kept on paper notebooks and folders where similar records are organized in one folder or spread sheet. These records are usually kept for many years therefore they becomes bulky and less organized. Consequently, it becomes difficult to search, update and tedious and time consuming to manage these records. This study was carried-out to overcome these problems associated with manual farm records keeping by developing user-friendly, easily accessible, reliable and secured software. The software was limited records keeping in crop production, livestock production, poultry production, employees, income and expenditure. The system was implemented using Java Server Faces (JSF for designing Graphical User Interface (GUI, Enterprises Java Beans (EJB for logic tier and MySQL database for storing farm records.

  11. High performance in software development

    CERN Multimedia

    CERN. Geneva; Haapio, Petri; Liukkonen, Juha-Matti

    2015-01-01

    What are the ingredients of high-performing software? Software development, especially for large high-performance systems, is one the most complex tasks mankind has ever tried. Technological change leads to huge opportunities but challenges our old ways of working. Processing large data sets, possibly in real time or with other tight computational constraints, requires an efficient solution architecture. Efficiency requirements span from the distributed storage and large-scale organization of computation and data onto the lowest level of processor and data bus behavior. Integrating performance behavior over these levels is especially important when the computation is resource-bounded, as it is in numerics: physical simulation, machine learning, estimation of statistical models, etc. For example, memory locality and utilization of vector processing are essential for harnessing the computing power of modern processor architectures due to the deep memory hierarchies of modern general-purpose computers. As a r...

  12. Factors that motivate software developers in Nigerian's software ...

    African Journals Online (AJOL)

    It was also observed those courtesy, good reward systems, regular training, recognition, tolerance of mistakes and good leadership were high motivators of software developers. Keywords: Software developers, information technology, project managers, Nigeria International Journal of Natural and Applied Sciences, 6(4): ...

  13. Accelerator Operators and Software Development

    International Nuclear Information System (INIS)

    April Miller; Michele Joyce

    2001-01-01

    At Thomas Jefferson National Accelerator Facility, accelerator operators perform tasks in their areas of specialization in addition to their machine operations duties. One crucial area in which operators contribute is software development. Operators with programming skills are uniquely qualified to develop certain controls applications because of their expertise in the day-to-day operation of the accelerator. Jefferson Lab is one of the few laboratories that utilizes the skills and knowledge of operators to create software that enhances machine operations. Through the programs written; by operators, Jefferson Lab has improved machine efficiency and beam availability. Because many of these applications involve automation of procedures and need graphical user interfaces, the scripting language Tcl and the Tk toolkit have been adopted. In addition to automation, some operator-developed applications are used for information distribution. For this purpose, several standard web development tools such as perl, VBScript, and ASP are used. Examples of applications written by operators include injector steering, spin angle changes, system status reports, magnet cycling routines, and quantum efficiency measurements. This paper summarizes how the unique knowledge of accelerator operators has contributed to the success of the Jefferson Lab control system. *This work was supported by the U.S. DOE contract No. DE-AC05-84-ER40150

  14. The software development process in worldwide collaborations

    International Nuclear Information System (INIS)

    Amako, K.

    1998-01-01

    High energy physics experiments in future colliders are inevitably large scale international collaborations. In these experiments, software development has to be done by a large number of physicists, software engineers and computer scientists, dispersed all over the world. The major subject of this paper is to discuss on various aspects of software development in the worldwide environment. These include software engineering and methodology, software development process and management. (orig.)

  15. Stimulating creativity through opportunistic software development

    NARCIS (Netherlands)

    Obrenovic, Z.; Gasevic, D.; Eliëns, A.

    2008-01-01

    Using opportunistic software development principles in computer engineering education encourages students to be creative and to develop solutions that cross the boundaries of diverse technologies. A framework for opportunistic software development education helps to create a space in which students

  16. Estimating software development project size, using probabilistic ...

    African Journals Online (AJOL)

    Estimating software development project size, using probabilistic techniques. ... of managing the size of software development projects by Purchasers (Clients) and Vendors (Development ... EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  17. Stimulating Creativity Through Opportunistic Software Development

    NARCIS (Netherlands)

    Z. Obrenovic; D. Gasevic; A. P. W. Eliëns (Anton)

    2008-01-01

    htmlabstractUsing opportunistic software development principles in computer engineering education encourages students to be creative and to develop solutions that cross the boundaries of diverse technologies. A framework for opportunistic software development education helps to create a space in

  18. TOGAF usage in outsourcing of software development

    Directory of Open Access Journals (Sweden)

    Aziz Ahmad Rais

    2013-12-01

    Full Text Available TOGAF is an Enterprise Architecture framework that provides a method for developing Enterprise Architecture called architecture development method (ADM. The purpose of this paper is whether TOGAF ADM can be used for developing software application architecture. Because the software application architecture is one of the disciplines in application development life cycle, it is important to find out how the enterprise architecture development method can support the application architecture development. Having an open standard that can be used in the application architecture development could help in outsourcing of software development. If ADM could be used for software application architecture development, then we could consider its usability in outsourcing of software development.

  19. Teamwork in Distributed Agile Software Development

    OpenAIRE

    Gurram, Chaitanya; Bandi, Srinivas Goud

    2013-01-01

    Context: Distributed software development has become a most desired way of software development. Application of agile development methodologies in distributed environments has taken a new trend in developing software due to its benefits of improved communication and collaboration. Teamwork is an important concept that agile methodologies facilitate and is one of the potential determinants of team performance which was not focused in distributed agile software development. Objectives: This res...

  20. Formalizing the ISDF Software Development Methodology

    OpenAIRE

    Mihai Liviu DESPA

    2015-01-01

    The paper is aimed at depicting the ISDF software development methodology by emphasizing quality management and software development lifecycle. The ISDF methodology was built especially for innovative software development projects. The ISDF methodology was developed empirically by trial and error in the process of implementing multiple innovative projects. The research process began by analysing key concepts like innovation and software development and by settling the important dilemma of wha...

  1. Automating Object-Oriented Software Development Methods

    NARCIS (Netherlands)

    Tekinerdogan, B.; Saeki, Motoshi; Sunyé, Gerson; van den Broek, P.M.; Hruby, Pavel; Tekinerdogan, B.; van den Broek, P.M.; Saeki, M.; Hruby, P.; Sunye, G.

    2001-01-01

    Current software projects have generally to deal with producing and managing large and complex software products. It is generally believed that applying software development methods are useful in coping with this complexity and for supporting quality. As such numerous object-oriented software

  2. Automating Object-Oriented Software Development Methods

    NARCIS (Netherlands)

    Tekinerdogan, B.; Frohner, A´ kos; Saeki, Motoshi; Sunyé, Gerson; van den Broek, P.M.; Hruby, Pavel

    2002-01-01

    Current software projects have generally to deal with producing and managing large and complex software products. It is generally believed that applying software development methods are useful in coping with this complexity and for supporting quality. As such numerous object-oriented software

  3. Crowdsourcing cloud-based software development

    CERN Document Server

    Li, Wei; Tsai, Wei-Tek; Wu, Wenjun

    2015-01-01

    This book presents the latest research on the software crowdsourcing approach to develop large and complex software in a cloud-based platform. It develops the fundamental principles, management organization and processes, and a cloud-based infrastructure to support this new software development approach. The book examines a variety of issues in software crowdsourcing processes, including software quality, costs, diversity of solutions, and the competitive nature of crowdsourcing processes. Furthermore, the book outlines a research roadmap of this emerging field, including all the key technology and management issues for the foreseeable future. Crowdsourcing, as demonstrated by Wikipedia and Facebook for online web applications, has shown promising results for a variety of applications, including healthcare, business, gold mining exploration, education, and software development. Software crowdsourcing is emerging as a promising solution to designing, developing and maintaining software. Preliminary software cr...

  4. Development of a Ground-Based Analog to the Advanced Resistive Exercise Device Aboard the International Space Station

    Science.gov (United States)

    Newby, Nathaniel J.; Scott-Pandorf, M. M.; Caldwell, E.; DeWitt, J.K.; Fincke, R.; Peters, B.T.

    2010-01-01

    NASA and Wyle engineers constructed a Horizontal Exercise Fixture (HEF) that was patented in 2006. Recently modifications were made to HEF with the goal of creating a device that mimics squat exercise on the Advanced Resistive Exercise Device (ARED) and can be used by bed rest subjects who must remain supine during exercise. This project posed several engineering challenges, such as how best to reproduce the hip motions (we used a sled that allowed hip motion in the sagittal plane), how to counterweight the pelvis against gravity (we used a pulley and free-weight mechanism), and how to apply large loads (body weight plus squat load) to the shoulders while simultaneously supporting the back against gravity (we tested a standard and a safety bar that allowed movement in the subject s z-axis, both of which used a retractable plate for back support). METHODS An evaluation of the HEF was conducted with human subjects (3F, 3M), who performed sets of squat exercises of increasing load from 10-repetition maximum (RM) up to 1-RM. Three pelvic counterweight loads were tested along with each of the two back-support squat bars. Data collection included 3-dimensional ground reaction forces (GRF), muscle activation (EMG), body motion (video-based motion capture), and subjective comments. These data were compared with previous ground-based ARED study data. RESULTS All subjects in the evaluation were able to perform low- to high-loading squats on the HEF. Four of the 6 subjects preferred a pelvic counterweight equivalent to 60 percent of their body weight. Four subjects preferred the standard squat bar, whereas 2 female subjects preferred the safety bar. EMG data showed muscle activation in the legs and low back typical of squat motion. GRF trajectories and eccentric-concentric loading ratios were similar to ARED. CONCLUSION: Squat exercise performed on HEF approximated squat exercise on ARED.

  5. Application of agile methodologies in software development

    Directory of Open Access Journals (Sweden)

    Jovanović Aca D.

    2016-01-01

    Full Text Available The paper presents the potentials for the development of software using agile methodologies. Special consideration is devoted to the potentials and advantages of use of the Scrum methodology in the development of software and the relationship between the implementation of agile methodologies and the software development projects.

  6. Software development for research reactors

    International Nuclear Information System (INIS)

    Krohn, J.L.; Feltz, D.E.; Khalil, N.S.

    1986-01-01

    The Texas A and M University Nuclear Science Center, in a program jointly sponsored with the International Atomic Energy Agency, is developing a series of computer software programs of use at research reactor facilities. The programs cover a wide range of topics including activation and shielding calculations, control rod calibrations, power calorimetrics, and fuel inventory including burnup. Many of the programs are modified and improved versions of programs already in use at the NSC that ran on outdated computing equipment. All of the new versions were written in Fortran77 on the NSC's new TI Pro microcomputer and are IBM-compatible. This paper describes the development and translation efforts in preparing the programs for use by other facilities, and gives an overview of the aim of the development effort. A brief description of each program that has been or is to be written is given including the required inputs and the resulting outputs. This paper also addresses the original needs that brought about the development program and the benefits to facility operations that each program provides. The programs discussed are available to interested parties in a hard-copy listing as requested. (author)

  7. Learning Human Aspects of Collaborative Software Development

    Science.gov (United States)

    Hadar, Irit; Sherman, Sofia; Hazzan, Orit

    2008-01-01

    Collaboration has become increasingly widespread in the software industry as systems have become larger and more complex, adding human complexity to the technological complexity already involved in developing software systems. To deal with this complexity, human-centric software development methods, such as Extreme Programming and other agile…

  8. Modular Infrastructure for Rapid Flight Software Development

    Science.gov (United States)

    Pires, Craig

    2010-01-01

    This slide presentation reviews the use of modular infrastructure to assist in the development of flight software. A feature of this program is the use of model based approach for application unique software. A review of two programs that this approach was use on are: the development of software for Hover Test Vehicle (HTV), and Lunar Atmosphere and Dust Environment Experiment (LADEE).

  9. MEASURING PRODUCTIVITY OF SOFTWARE DEVELOPMENT TEAMS

    Directory of Open Access Journals (Sweden)

    Goparaju Purna Sudhakar

    2012-02-01

    Full Text Available This paper gives an exhaustive literature review of the techniques and models available tomeasure the productivity of software development teams. Definition of productivity, measuringindividual programmer’s productivity, and measuring software development team productivity arediscussed. Based on the literature review it was found that software productivity measurement canbe done using SLOC (Source Lines of Code, function points, use case points, object points, andfeature points. Secondary research findings indicate that the team size, response time, taskcomplexity, team climate and team cohesion have an impact on software development teamproductivity. List of factors affecting the software development team productivity are studied andreviewed.

  10. Comparative study on software development methodologies

    Directory of Open Access Journals (Sweden)

    Mihai Liviu DESPA

    2014-12-01

    Full Text Available This paper focuses on the current state of knowledge in the field of software development methodologies. It aims to set the stage for the formalization of a software development methodology dedicated to innovation orientated IT projects. The paper starts by depicting specific characteristics in software development project management. Managing software development projects involves techniques and skills that are proprietary to the IT industry. Also the software development project manager handles challenges and risks that are predominantly encountered in business and research areas that involve state of the art technology. Conventional software development stages are defined and briefly described. Development stages are the building blocks of any software development methodology so it is important to properly research this aspect. Current software development methodologies are presented. Development stages are defined for every showcased methodology. For each methodology a graphic representation is illustrated in order to better individualize its structure. Software development methodologies are compared by highlighting strengths and weaknesses from the stakeholder's point of view. Conclusions are formulated and a research direction aimed at formalizing a software development methodology dedicated to innovation orientated IT projects is enunciated.

  11. Strategies for successful software development risk management

    Directory of Open Access Journals (Sweden)

    Marija Boban

    2003-01-01

    Full Text Available Nowadays, software is becoming a major part of enterprise business. Software development is activity connected with advanced technology and high level of knowledge. Risks on software development projects must be successfully mitigated to produce successful software systems. Lack of a defined approach to risk management is one of the common causes for project failures. To improve project chances for success, this work investigates common risk impact areas to perceive a foundation that can be used to define a common approach to software risk management. Based on typical risk impact areas on software development projects, we propose three risk management strategies suitable for a broad area of enterprises and software development projects with different amounts of connected risks. Proposed strategies define activities that should be performed for successful risk management, the one that will enable software development projects to perceive risks as soon as possible and to solve problems connected with risk materialization. We also propose a risk-based approach to software development planning and risk management as attempts to address and retire the highest impact risks as early as possible in the development process. Proposed strategies should improve risk management on software development projects and help create a successful software solution.

  12. Effective Software Engineering Leadership for Development Programs

    Science.gov (United States)

    Cagle West, Marsha

    2010-01-01

    Software is a critical component of systems ranging from simple consumer appliances to complex health, nuclear, and flight control systems. The development of quality, reliable, and effective software solutions requires the incorporation of effective software engineering processes and leadership. Processes, approaches, and methodologies for…

  13. Teaching Agile Software Development: A Case Study

    Science.gov (United States)

    Devedzic, V.; Milenkovic, S. R.

    2011-01-01

    This paper describes the authors' experience of teaching agile software development to students of computer science, software engineering, and other related disciplines, and comments on the implications of this and the lessons learned. It is based on the authors' eight years of experience in teaching agile software methodologies to various groups…

  14. Ethics in computer software design and development

    Science.gov (United States)

    Alan J. Thomson; Daniel L. Schmoldt

    2001-01-01

    Over the past 20 years, computer software has become integral and commonplace for operational and management tasks throughout agricultural and natural resource disciplines. During this software infusion, however, little thought has been afforded human impacts, both good and bad. This paper examines current ethical issues of software system design and development in...

  15. Insights into software development in Japan

    Science.gov (United States)

    Duvall, Lorraine M.

    1992-01-01

    The interdependence of the U.S.-Japanese economies makes it imperative that we in the United States understand how business and technology developments take place in Japan. We can gain insight into these developments in software engineering by studying the context in which Japanese software is developed, the practices that are used, the problems encountered, the setting surrounding these problems, and the resolution of these problems. Context includes the technological and sociological characteristics of the software development environment, the software processes applied, personnel involved in the development process, and the corporate and social culture surrounding the development. Presented in this paper is a summary of results of a study that addresses these issues. Data for this study was collected during a three month visit to Japan where the author interviewed 20 software managers representing nine companies involved in developing software in Japan. These data are compared to similar data from the United States in which 12 managers from five companies were interviewed.

  16. Design for software a playbook for developers

    CERN Document Server

    Klimczak, Erik

    2013-01-01

    A unique resource to help software developers create a desirable user experience Today, top-flight software must feature a desirable user experience. This one-of-a-kind book creates a design process specifically for software, making it easy for developers who lack design background to create that compelling user experience. Appealing to both tech-savvy designers and creative-minded technologists, it establishes a hybrid discipline that will produce first-rate software. Illustrated in full color, it shows how to plan and visualize the design to create software that works on every l

  17. Ground-based photo monitoring

    Science.gov (United States)

    Frederick C. Hall

    2000-01-01

    Ground-based photo monitoring is repeat photography using ground-based cameras to document change in vegetation or soil. Assume those installing the photo location will not be the ones re-photographing it. This requires a protocol that includes: (1) a map to locate the monitoring area, (2) another map diagramming the photographic layout, (3) type and make of film such...

  18. A Software Development Platform for Mechatronic Systems

    DEFF Research Database (Denmark)

    Guan, Wei

    Software has become increasingly determinative for development of mechatronic systems, which underscores the importance of demands for shortened time-to-market, increased productivity, higher quality, and improved dependability. As the complexity of systems is dramatically increasing, these demands...... present a challenge to the practitioners who adopt conventional software development approach. An effective approach towards industrial production of software for mechatronic systems is needed. This approach requires a disciplined engineering process that encompasses model-driven engineering and component......-based software engineering, whereby we enable incremental software development using component models to address the essential design issues of real-time embedded systems. To this end, this dissertation presents a software development platform that provides an incremental model-driven development process based...

  19. The distributed development environment for SDSS software

    International Nuclear Information System (INIS)

    Berman, E.; Gurbani, V.; Mackinnon, B.; Newberg, H. Nicinski, T.; Petravick, D.; Pordes, R.; Sergey, G.; Stoughton, C.; Lupton, R.

    1994-04-01

    The authors present an integrated science software development environment, code maintenance and support system for the Sloan Digital Sky Survey (SDSS) now being actively used throughout the collaboration

  20. A development methodology for scientific software

    International Nuclear Information System (INIS)

    Cort, G.; Barrus, D.M.; Goldstone, J.A.; Miller, L.; Nelson, R.O.; Poore, R.V.

    1985-01-01

    We present the details of a software development methodology that addresses all phases of the software life cycle, yet is well suited for application by small projects with limited resources. The methodology has been developed at the Los Alamos Weapons Neutron Research (WNR) Facility and was utilized during the recent development of the WNR Data Acquisition Command Language. The methodology emphasizes the development and maintenance of comprehensive documentation for all software components. The impact of the methodology upon software quality and programmer productivity is assessed

  1. TMT approach to observatory software development process

    Science.gov (United States)

    Buur, Hanne; Subramaniam, Annapurni; Gillies, Kim; Dumas, Christophe; Bhatia, Ravinder

    2016-07-01

    The purpose of the Observatory Software System (OSW) is to integrate all software and hardware components of the Thirty Meter Telescope (TMT) to enable observations and data capture; thus it is a complex software system that is defined by four principal software subsystems: Common Software (CSW), Executive Software (ESW), Data Management System (DMS) and Science Operations Support System (SOSS), all of which have interdependencies with the observatory control systems and data acquisition systems. Therefore, the software development process and plan must consider dependencies to other subsystems, manage architecture, interfaces and design, manage software scope and complexity, and standardize and optimize use of resources and tools. Additionally, the TMT Observatory Software will largely be developed in India through TMT's workshare relationship with the India TMT Coordination Centre (ITCC) and use of Indian software industry vendors, which adds complexity and challenges to the software development process, communication and coordination of activities and priorities as well as measuring performance and managing quality and risk. The software project management challenge for the TMT OSW is thus a multi-faceted technical, managerial, communications and interpersonal relations challenge. The approach TMT is using to manage this multifaceted challenge is a combination of establishing an effective geographically distributed software team (Integrated Product Team) with strong project management and technical leadership provided by the TMT Project Office (PO) and the ITCC partner to manage plans, process, performance, risk and quality, and to facilitate effective communications; establishing an effective cross-functional software management team composed of stakeholders, OSW leadership and ITCC leadership to manage dependencies and software release plans, technical complexities and change to approved interfaces, architecture, design and tool set, and to facilitate

  2. Microshutter Array Development for the Multi-Object Spectrograph for the New Generation Space Telescope, and Its Ground-based Demonstrator

    Science.gov (United States)

    Woodgate, Bruce E.; Moseley, Harvey; Fettig, Rainer; Kutyrev, Alexander; Ge, Jian; Fisher, Richard R. (Technical Monitor)

    2001-01-01

    The 6.5-m NASA/ESA/Canada New Generation Space Telescope to be operated at the L2 Lagrangian point will require a multi-object spectrograph (MOS) operating from 1 to 5 microns. Up to 3000 targets will be selected for simultaneous spectroscopy using a programmable cryogenic (approx. 35K) aperture array, consisting of a mosaic of arrays of micromirrors or microshutters. We describe the current status of the GSFC microshutter array development. The 100 micron square shutters are opened magnetically and latched open or closed electrostatically. Selection will be by two crossed one-dimensional addressing circuits. We will demonstrate the use of a 512 x 512 unit array on a ground-based IR MOS which will cover 0.6 to 5 microns, and operate rapidly to include spectroscopy of gamma ray burst afterglows.

  3. Developing software for safety-critical applications

    International Nuclear Information System (INIS)

    Chudleigh, M.

    1989-01-01

    The effective implementation of many safety-critical systems involves microprocessors running software which needs to be of very high integrity. This article describes some of the problems of producing such software and the place of software within the total system. A development strategy is proposed based on three principles: the goal of defect-free development, the use of mathematical formalism, and the use of an independent team for testing. (author)

  4. Formalizing the ISDF Software Development Methodology

    Directory of Open Access Journals (Sweden)

    Mihai Liviu DESPA

    2015-01-01

    Full Text Available The paper is aimed at depicting the ISDF software development methodology by emphasizing quality management and software development lifecycle. The ISDF methodology was built especially for innovative software development projects. The ISDF methodology was developed empirically by trial and error in the process of implementing multiple innovative projects. The research process began by analysing key concepts like innovation and software development and by settling the important dilemma of what makes a web application innovative. Innovation in software development is presented from the end-user, project owner and project manager’s point of view. The main components of a software development methodology are identified. Thus a software development methodology should account for people, roles, skills, teams, tools, techniques, processes, activities, standards, quality measuring tools, and team values. Current software development models are presented and briefly analysed. The need for a dedicated innovation oriented software development methodology is emphasized by highlighting shortcomings of current software development methodologies when tackling innovation. The ISDF methodology is presented in the context of developing an actual application. The ALHPA application is used as a case study for emphasizing the characteristics of the ISDF methodology. The development life cycle of the ISDF methodology includes research, planning, prototyping, design, development, testing, setup and maintenance. Artefacts generated by the ISDF methodology are presented. Quality is managed in the ISDF methodology by assessing compliance, usability, reliability, repeatability, availability and security. In order to properly asses each quality component a dedicated indicator is built. A template for interpreting each indicator is provided. Conclusions are formulated and new related research topics are submitted for debate.

  5. Lunar Wormbot: Design and Development of a Ground Base Robotic Tunneling Worm for Operation in Harsh Environments

    Science.gov (United States)

    Boyles, Charles; Eledui, Emory; Gasser, Ben; Johnson, Josh; Long, Jay " Ben" Toy, Nathan; Murphy, Gloria

    2011-01-01

    From 1969 to 1972, the National Aeronautics and Space Administration (NASA) sent Apollo missions to the moon to conduct various exploration experiment. A few of the missions were directed to the study and sampling of moon soil, otherwise known as lunar regolith. The extent of the sample acquisition was limited due to the astronauts' limited ability to penetrate the moon's surface to a depth greater than three meters. However. the samples obtained were sufficient enough to provide key information pertaining to lunar regolith material properties that would further assist in future exploration endeavors. Analysis of the collected samples showed that the properties of lunar regolith may lead to knowledge of processed materials that will be beneficial for future human exploration or colonization. However, almost 40 years after the last Apollo mission, limited infonnation is known about regions underneath the moon's surface. Future lunar missions will require hardware that possesses the ability to burrow to greater depths in order to collect samples for subsequent analysis. During the summer of 2010, a team (Dr. Jessica Gaskin, Michael Kuhlman. Blaze Sanders, and Lafe Zabowski) from the NASA Robotics Academy at Marshall Space Flight Center (MSFC) was given the task of designing a robot to function as a soil collection and analysis device. Working with the National Space Science and Technology Center (NSSTC), the team was able to propose an initial design, build a prototype, and test the various subsystems of the prototype to be known as the "Lunar Wormbot" (LW). The NASA/NSSTC team then transferred the project to a University of Alabama in Huntsville (UAH) Mechanical and Aerospace Engineering (MAE) senior design class for further development. The UAH team was to utilize the NASA Systems Engineering Engine Design Process in the continuance of the Lunar Wormbot project. This process was implemented in order to coordinate the efforts of the team and guide the design of the

  6. Software Development Management: Empirical and Analytical Perspectives

    Science.gov (United States)

    Kang, Keumseok

    2011-01-01

    Managing software development is a very complex activity because it must deal with people, organizations, technologies, and business processes. My dissertation consists of three studies that examine software development management from various perspectives. The first study empirically investigates the impacts of prior experience with similar…

  7. Software Engineering Principles for Courseware Development.

    Science.gov (United States)

    Magel, Kenneth

    1980-01-01

    Courseware (computer based curriculum materials) development should follow the lessons learned by software engineers. The most important of 28 principles of software development presented here include a stress on human readability, the importance of early planning and analysis, the need for independent evaluation, and the need to be flexible.…

  8. Automating Software Development Process using Fuzzy Logic

    NARCIS (Netherlands)

    Marcelloni, Francesco; Aksit, Mehmet; Damiani, Ernesto; Jain, Lakhmi C.; Madravio, Mauro

    2004-01-01

    In this chapter, we aim to highlight how fuzzy logic can be a valid expressive tool to manage the software development process. We characterize a software development method in terms of two major components: artifact types and methodological rules. Classes, attributes, operations, and inheritance

  9. Workflow-Based Software Development Environment

    Science.gov (United States)

    Izygon, Michel E.

    2013-01-01

    The Software Developer's Assistant (SDA) helps software teams more efficiently and accurately conduct or execute software processes associated with NASA mission-critical software. SDA is a process enactment platform that guides software teams through project-specific standards, processes, and procedures. Software projects are decomposed into all of their required process steps or tasks, and each task is assigned to project personnel. SDA orchestrates the performance of work required to complete all process tasks in the correct sequence. The software then notifies team members when they may begin work on their assigned tasks and provides the tools, instructions, reference materials, and supportive artifacts that allow users to compliantly perform the work. A combination of technology components captures and enacts any software process use to support the software lifecycle. It creates an adaptive workflow environment that can be modified as needed. SDA achieves software process automation through a Business Process Management (BPM) approach to managing the software lifecycle for mission-critical projects. It contains five main parts: TieFlow (workflow engine), Business Rules (rules to alter process flow), Common Repository (storage for project artifacts, versions, history, schedules, etc.), SOA (interface to allow internal, GFE, or COTS tools integration), and the Web Portal Interface (collaborative web environment

  10. Development of a fatigue analysis software system

    International Nuclear Information System (INIS)

    Choi, B. I.; Lee, H. J.; Han, S. W.; Kim, J. Y.; Hwang, K. H.; Kang, J. Y.

    2001-01-01

    A general purpose fatigue analysis software to predict fatigue lives of mechanical components and structures was developed. This software has some characteristic features including functions of searching weak regions on the free surface in order to reduce computing time significantly, a database of fatigue properties for various materials, and an expert system which can assist any users to get more proper results. This software can be used in the environment consists of commercial finite element packages. Using the software developed fatigue analyses for a SAE keyhole specimen and an automobile knuckle were carried out. It was observed that the results were agree well with those from commercial packages

  11. Firing Room Remote Application Software Development

    Science.gov (United States)

    Liu, Kan

    2015-01-01

    The Engineering and Technology Directorate (NE) at National Aeronautics and Space Administration (NASA) Kennedy Space Center (KSC) is designing a new command and control system for the checkout and launch of Space Launch System (SLS) and future rockets. The purposes of the semester long internship as a remote application software developer include the design, development, integration, and verification of the software and hardware in the firing rooms, in particular with the Mobile Launcher (ML) Launch Accessories (LACC) subsystem. In addition, a software test verification procedure document was created to verify and checkout LACC software for Launch Equipment Test Facility (LETF) testing.

  12. XML-Intensive software development

    OpenAIRE

    Ibañez Anfurrutia, Felipe

    2016-01-01

    168 p. 1. IntroducciónXML es un lenguaje de meta-etiquetas, es decir, puede ser utilizado fundamentalmentepara crear lenguajes de etiquetas . La presencia de XML es unfenómeno generalizado. Sin embargo, su juventud hace que los desarrolladores seenfrentan a muchos desafíos al utilizar XML en aplicaciones de vanguardia. Estatesis enfrenta XML a tres escenarios diferentes: intercambio de documentos,Líneas de Producto Software (LPS) y Lenguajes eSpecíficos de Dominio (LSD).El intercambio digi...

  13. Manifesto for the Software Development Professionalization

    Directory of Open Access Journals (Sweden)

    Red Latinoamericana en Ingeniería de Software (RedLatinaIS

    2013-12-01

    Full Text Available One of the central problems of current economic development and industrial competitiveness, social and scientific, is the complexity of large and intensive software systems, and processes for their development and implementation. This complexity is defined by the amount and heterogeneity of the interaction of the hardware with the software components, their inter-relationships, of incorporation of the technical and organizational environments, and the interfaces to humans. The domain of these systems requires actions and scientific thoughts, hierarchical and systematic; also, the success of the products, services and organizations, is increasingly determined by the availability of suitable software products. Therefore, highly qualified professionals, able to understand and master the systems, involved in the entire life cycle of software engineering, and adopt different roles during the development. This is the reason that guide the thinking of this Manifesto , which aims is to achieve the Professionalization of Software Development.

  14. Workflow Based Software Development Environment, Phase I

    Data.gov (United States)

    National Aeronautics and Space Administration — The goal of this proposed research is to investigate and develop a workflow based tool, the Software Developers Assistant, to facilitate the collaboration between...

  15. Workflow Based Software Development Environment, Phase II

    Data.gov (United States)

    National Aeronautics and Space Administration — The goal of this proposed research is to investigate and develop a workflow based tool, the Software Developers Assistant, to facilitate the collaboration between...

  16. Agile Software Development: An Introduction and Overview

    Science.gov (United States)

    Dingsøyr, Torgeir; Dybå, Tore; Moe, Nils Brede

    Agile software development is an important topic in software engineering and information systems. This chapter provides a characterization and definition of agile software development, an overview of research through a summary of existing overview studies, an analysis of the research literature so far, and an introduction to the main themes of this book. The first part of the book provides foundations and background of agile development. The second part describes findings from studies of agile methods in practice. The third part identifies principal challenges and discusses new frontiers that agile development methods will meet in the future.

  17. Software development an open source approach

    CERN Document Server

    Tucker, Allen; de Silva, Chamindra

    2011-01-01

    Overview and Motivation Software Free and Open Source Software (FOSS)Two Case Studies Working with a Project Team Key FOSS Activities Client-Oriented vs. Community-Oriented Projects Working on a Client-Oriented Project Joining a Community-Oriented Project Using Project Tools Collaboration Tools Code Management Tools Run-Time System ConstraintsSoftware Architecture Architectural Patterns Layers, Cohesion, and Coupling Security Concurrency, Race Conditions, and DeadlocksWorking with Code Bad Smells and Metrics Refactoring Testing Debugging Extending the Software for a New ProjectDeveloping the D

  18. Towards Archetypes-Based Software Development

    Science.gov (United States)

    Piho, Gunnar; Roost, Mart; Perkins, David; Tepandi, Jaak

    We present a framework for the archetypes based engineering of domains, requirements and software (Archetypes-Based Software Development, ABD). An archetype is defined as a primordial object that occurs consistently and universally in business domains and in business software systems. An archetype pattern is a collaboration of archetypes. Archetypes and archetype patterns are used to capture conceptual information into domain specific models that are utilized by ABD. The focus of ABD is on software factories - family-based development artefacts (domain specific languages, patterns, frameworks, tools, micro processes, and others) that can be used to build the family members. We demonstrate the usage of ABD for developing laboratory information management system (LIMS) software for the Clinical and Biomedical Proteomics Group, at the Leeds Institute of Molecular Medicine, University of Leeds.

  19. Open source software development : some historical perspectives

    NARCIS (Netherlands)

    Nuvolari, A.

    2005-01-01

    In this paper we suggest that historical studies of technology can help us to account for some, perplexing (at least for traditional economic reasoning) features of open source software development. From a historical perspective, open source software seems to be a particular case of what Robert C.

  20. Open source software development : some historical perspectives

    NARCIS (Netherlands)

    Nuvolari, A.

    2003-01-01

    In this paper we suggest that historical studies of technology can help us to account for some, perplexing (at least for traditional economic reasoning) features of open source software development. When looked in historical perspective, open source software seems to be a particular case of what

  1. The Social Dynamics of Software Development

    NARCIS (Netherlands)

    Heiskanen, A.; Newman, M.; Simila, J.

    2000-01-01

    A variety of experiences in software development processes between a public sector organisation and several software vendors over a decade-long period are described and interpreted. Three information systems histories are presented as case examples and their analysis is based on detailed insider

  2. Development of micro pattern cutting simulation software

    International Nuclear Information System (INIS)

    Lee, Jong Min; Song, Seok Gyun; Choi, Jeong Ju; Novandy, Bondhan; Kim, Su Jin; Lee, Dong Yoon; Nam, Sung Ho; Je, Tae Jin

    2008-01-01

    The micro pattern machining on the surface of wide mold is not easy to be simulated by conventional software. In this paper, a software is developed for micro pattern cutting simulation. The 3d geometry of v-groove, rectangular groove, pyramid and pillar patterns are visualized by c++ and OpenGL library. The micro cutting force is also simulated for each pattern

  3. Strategies for Developing China's Software Industry

    Directory of Open Access Journals (Sweden)

    Mingzhi Li

    2003-01-01

    Full Text Available The software industry is deemed an ideal target for a developing country to integrate into the world information and communications technology (ICT market. On the one hand the industry is labor intensive, and the developing countries have a large labor surplus; on the other hand, it is a worldwide trend for developed countries to outsource a vast amount of low-end, software-related tasks to the low-cost countries and regions, which fits into some developing countries’ caliber nicely. India has often been cited as the role model for a developing country to tap into the world software market for its continuous success in the software export sector. In comparison, China’s software industry is still negligible in the world despite its sustained high economic growth rate since the economic reform took off in the late 1970s.This paper aims at examining strategies for developing China’s software industry. We use India as a reference because of the similarities of the two countries’ stages of economic development and the clear divergence in their ICT structures and development paths. Although the language barrier has often been singled out as the major obstacle for China’s software exports, we believe the major reasons for its underdevelopment can be ascribed to the following factors. On the national level, the government attention has been skewed toward the hardware sector in the ICT industry, and there is no clear national vision for the strategic direction for the software industry.On the industry and ªrm level, software development has been regarded as the art of individual creativity rather than an engineering process. As a result, the importance of quality and standards, the two important critical factors in software development, have been largely neglected. Perhaps an even more fundamental factor lies in the deeply rooted notion that software is an attachment to the hardware and should be a free product. The lack of intellectual

  4. Empowering global software development with business intelligence

    OpenAIRE

    Maté Morga, Alejandro; Trujillo Mondéjar, Juan Carlos; García, Félix; Serrano Martín, Manuel; Piattini, Mario

    2016-01-01

    Context: Global Software Development (GSD) allows companies to take advantage of talent spread across the world. Most research has been focused on the development aspect. However, little if any attention has been paid to the management of GSD projects. Studies report a lack of adequate support for management’s decisions made during software development, further accentuated in GSD since information is scattered throughout multiple factories, stored in different formats and standards. Objective...

  5. Ragnarok: An Architecture Based Software Development Environment

    OpenAIRE

    Christensen, Henrik Bærbak

    1999-01-01

    The Ragnarok project is an experimental computer science project within the field of software development environments. Taking current problems in software engineering as starting point, a small set of hypotheses are proposed, outlining plausible solutions for problems concerning the management of the development process and its associated data, and outlining how these solutions can be supported directly in a development environment. These hypotheses are all deeply rooted in the viewpoint tha...

  6. DEVELOPING EVALUATION INSTRUMENT FOR MATHEMATICS EDUCATIONAL SOFTWARE

    Directory of Open Access Journals (Sweden)

    Wahyu Setyaningrum

    2012-02-01

    Full Text Available The rapid increase and availability of mathematics software, either for classroom or individual learning activities, presents a challenge for teachers. It has been argued that many products are limited in quality. Some of the more commonly used software products have been criticized for poor content, activities which fail to address some learning issues, poor graphics presentation, inadequate documentation, and other technical problems. The challenge for schools is to ensure that the educational software used in classrooms is appropriate and effective in supporting intended outcomes and goals. This paper aimed to develop instrument for evaluating mathematics educational software in order to help teachers in selecting the appropriate software. The instrument considers the notion of educational including content, teaching and learning skill, interaction, and feedback and error correction; and technical aspects of educational software including design, clarity, assessment and documentation, cost and hardware and software interdependence. The instrument use a checklist approach, the easier and effective methods in assessing the quality of educational software, thus the user needs to put tick in each criteria. The criteria in this instrument are adapted and extended from standard evaluation instrument in several references.   Keywords: mathematics educational software, educational aspect, technical aspect.

  7. Trust in Co-sourced Software Development

    DEFF Research Database (Denmark)

    Schlichter, Bjarne Rerup; Persson, John Stouby

    2014-01-01

    Software development projects are increasingly geographical distributed with offshoring. Co-sourcing is a highly integrative and cohesive approach, seen successful, to software development offshoring. However, research of how dynamic aspects of trust are shaped in co-sourcing activities is limite...... understanding or personal trust relations. The paper suggests how certain work practices among developers and managers can be explained using a dynamic trust lens based on Abstract Systems, especially dis- and re-embedding mechanisms......Software development projects are increasingly geographical distributed with offshoring. Co-sourcing is a highly integrative and cohesive approach, seen successful, to software development offshoring. However, research of how dynamic aspects of trust are shaped in co-sourcing activities is limited...

  8. MEASUREMENT PROCESS OF SOFTWARE DEVELOPMENT PROJECTS FOR SUPPORTING STRATEGIC BUSINESS OBJECTIVES IN SOFTWARE DEVELOPING COMPANIES

    Directory of Open Access Journals (Sweden)

    Sandra Lais Pedroso

    2013-08-01

    Full Text Available Software developing companies work in a competitive market and are often challenged to make business decisions with impact on competitiveness. Models accessing maturity for software development processes quality, such as CMMI and MPS-BR, comprise process measurements systems (PMS. However, these models are not necessarily suitable to support business decisions, neither to achieve strategic goals. The objective of this work is to analyze how the PMS of software development projects could support business strategies for software developing companies. Results taken from this work show that PMS results from maturity models for software processes can be suited to help evaluating operating capabilities and supporting strategic business decisions.

  9. Software development on the SAP HANA platform

    CERN Document Server

    Walker, Mark

    2013-01-01

    Software Development on the SAP HANA Platform is a general tutorial guide to SAP HANA.This book is written for beginners to the SAP HANA platform. No knowledge of SAP HANA is necessary to start using this book.

  10. Small is beautiful: customer driven software development

    DEFF Research Database (Denmark)

    Hansen, Henrik A.B.; Koch, Christian; Pleman, Allan

    1999-01-01

    to develop their software. In small software houses operating in markets with complex products such as ERP (enterprise resource planning) systems, networking is necessary in order to gain the needed knowledge and resources in the production development process. Network is not seen as a magic word but leads......Summary form only given. The topics addressed in this paper is how networking can be used as a way for small software houses to enhances their innovative capabilities by using different kinds of collaboration in order to overcome the problems of lacking knowledge as well as resources in order...

  11. Co-sourcing in software development offshoring

    DEFF Research Database (Denmark)

    Schlichter, Bjarne Rerup; Persson, John Stouby

    2013-01-01

    Software development projects are increasingly geographical distributed with offshoring, which introduce complex risks that can lead to project failure. Co-sourcing is a highly integrative and cohesive approach, seen successful, to software development offshoring. However, research of how co......-sourcing shapes the perception and alleviation of common offshoring risks is limited. We present a case study of how a certified CMMI-level 5 Danish software supplier approaches these risks in offshore co-sourcing. The paper explains how common offshoring risks are perceived and alleviated when adopting the co...

  12. Concept Development for Software Health Management

    Science.gov (United States)

    Riecks, Jung; Storm, Walter; Hollingsworth, Mark

    2011-01-01

    This report documents the work performed by Lockheed Martin Aeronautics (LM Aero) under NASA contract NNL06AA08B, delivery order NNL07AB06T. The Concept Development for Software Health Management (CDSHM) program was a NASA funded effort sponsored by the Integrated Vehicle Health Management Project, one of the four pillars of the NASA Aviation Safety Program. The CD-SHM program focused on defining a structured approach to software health management (SHM) through the development of a comprehensive failure taxonomy that is used to characterize the fundamental failure modes of safety-critical software.

  13. A systematic approach for component-based software development

    NARCIS (Netherlands)

    Guareis de farias, Cléver; van Sinderen, Marten J.; Ferreira Pires, Luis

    2000-01-01

    Component-based software development enables the construction of software artefacts by assembling prefabricated, configurable and independently evolving building blocks, called software components. This paper presents an approach for the development of component-based software artefacts. This

  14. Assessment of best practice of software development in developing ...

    African Journals Online (AJOL)

    ... Understand the technology of the software (4.03), Memory limit set (3.91), Application pool not shared (3.88) and other parameters were examined for software development. The analysis shows the variance of the assessment of best practices in Software development firms and they are in conformity with the global trend.

  15. Co-sourcing in software development offshoring

    DEFF Research Database (Denmark)

    Schlichter, Bjarne Rerup; Persson, John Stouby

    2013-01-01

    Software development projects are increasingly geographical distributed with offshoring, which introduce complex risks that can lead to project failure. Co-sourcing is a highly integrative and cohesive approach, seen successful, to software development offshoring. However, research of how co-sour......-taking by high attention to of the closely interrelated structure and technology components in terms of CMMI and the actors’ cohesion and integration in terms of Scrum....

  16. Using prototyping in software development

    OpenAIRE

    Šinkovec, Miha

    2010-01-01

    Today the business system changers faster than the usual conventional cascade life cycle. Because of that, we can conclude, that today's programming system will no longer be presented as the answer to this topic in the developing age of ever changing user requirements. Neither increased performance or higher productivity will decrease the problem. The appropriate solution to this stated problem is prototyping. Instead of building and developing the whole system, we build a module that can...

  17. Translocality in Global Software Development

    DEFF Research Database (Denmark)

    Bjørn, Pernille; Søderberg, Anne-Marie; Krishna, S.

    2017-01-01

    . We explored how agile processes in global outsourcing impacts work conditions of the Indian IT developers, and were surprised to find that agile methodologies, even after 3 years of implementation, created a stressful and inflexible work environment negatively impacting their personal lives. Many......What happens when agile methods are introduced in global outsourcing set-ups? Agile methods are designed to empower IT developers in decision-making through self-managing collocated teams. We studied how agile methods were introduced into global outsourcing from the Indian IT vendor’s perspective...... of the negative aspects of work, which agile methodologies were developed to reduce, were evident in the global agile outsourcing set-up. We propose translocality to repudiate the dichotomy of global/local reminding us that methodologies and technologies must be understood as immediately localized and situated...

  18. Technological development and software piracy

    OpenAIRE

    Martínez-Sánchez, Francisco; Romeu, Andrés

    2018-01-01

    In this paper, the authors analyze the differences in piracy rates from one country to another. Like previous papers on the topic, they find that more developed countries have lower incentives for pirating. Unlike previous papers, they find that the piracy rate is positively correlated with the tax burden rate but negatively correlated with the domestic market size and exports over GDP. The authors also separate the impacts of education and R&D on piracy, and find two effects with opposite si...

  19. Usability Evaluation Method for Agile Software Development

    Directory of Open Access Journals (Sweden)

    Saad Masood Butt

    2015-02-01

    Full Text Available Agile methods are the best fit for tremendously growing software industry due to its flexible and dynamic nature. But the software developed using agile methods do meet the usability standards? To answer this question we can see that majority of agile software development projects currently involve interactive user interface designs, which can only be possible by following User Centered Design (UCD in agile methods. The question here is, how to integrate UCD with agile models. Both Agile models and UCD are iterative in nature but agile models focus on coding and development of software; whereas, UCD focuses on user interface of the software. Similarly, both of them have testing features where the agile model involves automated tested code while UCD involves an expert or a user to test the user interface. In this paper, a new agile usability model is proposed and the evaluation is of the proposed model is presented by practically implementing it in three real life projects. . Key results from these projects clearly show: the proposed agile model incorporates usability evaluation methods, improves the relationship between usability experts to work with agile software experts; in addition, allows agile developers to incorporate the result from UCD into subsequent interactions.

  20. Designing Project Management for Global Software Development

    DEFF Research Database (Denmark)

    Tjørnehøj, Gitte; B. Balogh, Maria; Iversen, Cathrine

    2014-01-01

    of distributed software teams, based on a practice study and informed by well-known theories. Our work pinpoints the difficulties of handling the vital informal processes in distributed collaboration that are so vulnerable because the distances risk detaining their growth and increasing their decay rate......Software development in distributed teams remains challenging despite rapid technical improvement in tools for communication and collaboration across distance. The challenges stem from geographical, temporal and sociocultural distance and manifest themselves in a variety of difficulties...

  1. Object-Oriented Software Development Environments

    DEFF Research Database (Denmark)

    The book "Object-Oriented Environments - The Mjølner Approach" presents the collective results of the Mjølner Project. The project was set up to work on the widely recognized problems of developing, maintaining and understanding large software systems. The starting point was to use object...... and realizations User interfaces for environments and realizations Grammar-based software architectures Structure-based editing Language implementation, runtime organization, garbage collection Incremental compilation techniques...

  2. COMPARATIVE ANALYSIS OF SOFTWARE DEVELOPMENT MODELS

    OpenAIRE

    Sandeep Kaur*

    2017-01-01

    No geek is unfamiliar with the concept of software development life cycle (SDLC). This research deals with the various SDLC models covering waterfall, spiral, and iterative, agile, V-shaped, prototype model. In the modern era, all the software systems are fallible as they can’t stand with certainty. So, it is tried to compare all aspects of the various models, their pros and cons so that it could be easy to choose a particular model at the time of need

  3. Strategies for Developing China's Software Industry

    OpenAIRE

    Mingzhi Li; Ming Gao

    2003-01-01

    The software industry is deemed an ideal target for a developing country to integrate into the world information and communications technology (ICT) market. On the one hand the industry is labor intensive, and the developing countries have a large labor surplus; on the other hand, it is a worldwide trend for developed countries to outsource a vast amount of low-end, software-related tasks to the low-cost countries and regions, which fits into some developing countries’ caliber nicely. India h...

  4. Software development: do good manners matter?

    Directory of Open Access Journals (Sweden)

    Giuseppe Destefanis

    2016-07-01

    Full Text Available A successful software project is the result of a complex process involving, above all, people. Developers are the key factors for the success of a software development process, not merely as executors of tasks, but as protagonists and core of the whole development process. This paper investigates social aspects among developers working on software projects developed with the support of Agile tools. We studied 22 open-source software projects developed using the Agile board of the JIRA repository. All comments committed by developers involved in the projects were analyzed and we explored whether the politeness of comments affected the number of developers involved and the time required to fix any given issue. Our results showed that the level of politeness in the communication process among developers does have an effect on the time required to fix issues and, in the majority of the analysed projects, it had a positive correlation with attractiveness of the project to both active and potential developers. The more polite developers were, the less time it took to fix an issue.

  5. Ragnarok: An Architecture Based Software Development Environment

    DEFF Research Database (Denmark)

    Christensen, Henrik Bærbak

    of the development process. The main contributions presented in the thesis have evolved from work with two of the hypotheses: These address the problems of management of evolution, and overview, comprehension and navigation respectively. The first main contribution is the Architectural Software Configuration...... Management Model: A software configuration management model where the abstractions and hierarchy of the logical aspect of software architecture forms the basis for version control and configuration management. The second main contribution is the Geographic Space Architecture Visualisation Model......: A visualisation model where entities in a software architecture are organised geographically in a two-dimensional plane, their visual appearance determined by processing a subset of the data in the entities, and interaction with the project's underlying data performed by direct manipulation of the landscape...

  6. Engineering software development with HyperCard

    Science.gov (United States)

    Darko, Robert J.

    1990-01-01

    The successful and unsuccessful techniques used in the development of software using HyperCard are described. The viability of the HyperCard for engineering is evaluated and the future use of HyperCard by this particular group of developers is discussed.

  7. Intrinsic Motivation in Open Source Software Development

    DEFF Research Database (Denmark)

    Bitzer, J.; W., Schrettl,; Schröder, Philipp

    2004-01-01

    This papers sheds light on the puzzling evidence that even though open source software (OSS) is a public good, it is developed for free by highly qualified, young and motivated individuals, and evolves at a rapid pace. We show that once OSS development is understood as the private provision...

  8. Model Driven Software Development for Agricultural Robotics

    DEFF Research Database (Denmark)

    Larsen, Morten

    The design and development of agricultural robots, consists of both mechan- ical, electrical and software components. All these components must be de- signed and combined such that the overall goal of the robot is fulfilled. The design and development of these systems require collaboration between...... processing, control engineering, etc. This thesis proposes a Model-Driven Software Develop- ment based approach to model, analyse and partially generate the software implementation of a agricultural robot. Furthermore, Guidelines for mod- elling the architecture of an agricultural robots are provided......, assisting with bridging the different engineering disciplines. Timing play an important role in agricultural robotic applications, synchronisation of robot movement and implement actions is important in order to achieve precision spraying, me- chanical weeding, individual feeding, etc. Discovering...

  9. Process mining software repositories: do developers work as expected?

    NARCIS (Netherlands)

    Poncin, W.; Serebrenik, A.; Brand, van den M.G.J.

    2012-01-01

    Modern software development commonly makes use of a multitude of software repositories. How can these help us to understand the on-going development process? Researchers of Eindhoven University of Technology design new methods revealing how software has been developed.

  10. Global Software Development with Cloud Platforms

    Science.gov (United States)

    Yara, Pavan; Ramachandran, Ramaseshan; Balasubramanian, Gayathri; Muthuswamy, Karthik; Chandrasekar, Divya

    Offshore and outsourced distributed software development models and processes are facing challenges, previously unknown, with respect to computing capacity, bandwidth, storage, security, complexity, reliability, and business uncertainty. Clouds promise to address these challenges by adopting recent advances in virtualization, parallel and distributed systems, utility computing, and software services. In this paper, we envision a cloud-based platform that addresses some of these core problems. We outline a generic cloud architecture, its design and our first implementation results for three cloud forms - a compute cloud, a storage cloud and a cloud-based software service- in the context of global distributed software development (GSD). Our ”compute cloud” provides computational services such as continuous code integration and a compile server farm, ”storage cloud” offers storage (block or file-based) services with an on-line virtual storage service, whereas the on-line virtual labs represent a useful cloud service. We note some of the use cases for clouds in GSD, the lessons learned with our prototypes and identify challenges that must be conquered before realizing the full business benefits. We believe that in the future, software practitioners will focus more on these cloud computing platforms and see clouds as a means to supporting a ecosystem of clients, developers and other key stakeholders.

  11. XP in a Small Software Development Business

    DEFF Research Database (Denmark)

    Babb, Jeffry; Hoda, Rashina; Nørbjerg, Jacob

    2014-01-01

    While small software development shops have trended towards the adoption of Agile methods, local conditions and high iteration pressure typically cause adaptations and appropriations of Agile methods. This paper shares evidence from a study concerning how a small software development company adopts...... and adapts, XP to suit their business. Based on a Dialogical Action Research project, the study reflects on the conditions leading to Agile process adaptation, and why ad hoc and “a la carte” approaches may be problematic. Limitations and drawbacks to aspects of XP are also discussed. The Agile practices...

  12. Software Development with DevOps

    OpenAIRE

    Kristinsson, Rögnvaldur

    2015-01-01

    The goal of the study was to introduce DevOps in software development, its methods and approaches to software development. I was introduced to the subject by one of my teach-ers, which let me into further studies and researched on the subject and finally choosing it for the study. The subject was completely new to me when I started the study which I found inspirational as I was learning a new and an interesting subject on a daily basis dur-ing the process of writing the study. The materia...

  13. Automated real-time software development

    Science.gov (United States)

    Jones, Denise R.; Walker, Carrie K.; Turkovich, John J.

    1993-01-01

    A Computer-Aided Software Engineering (CASE) system has been developed at the Charles Stark Draper Laboratory (CSDL) under the direction of the NASA Langley Research Center. The CSDL CASE tool provides an automated method of generating source code and hard copy documentation from functional application engineering specifications. The goal is to significantly reduce the cost of developing and maintaining real-time scientific and engineering software while increasing system reliability. This paper describes CSDL CASE and discusses demonstrations that used the tool to automatically generate real-time application code.

  14. Becoming Predictably Adaptable in Software Development

    Directory of Open Access Journals (Sweden)

    Michael Vakoc

    2017-10-01

    Full Text Available It’s difficult to state exact timelines in software development and it is even more difficult to say when features that users want will be delivered. We propose changes to current software development methodologies that enable companies to be predictably adaptable and deliver both on time and what customer asked for. We do so through research of current literature, interviews and personal experience working at an international company that builds products for millions of customers and is facing exactly the challenges described above.

  15. Software Development Process Improvement in Datacom Platform

    OpenAIRE

    Trabelsi, Walid

    2008-01-01

    Masteroppgave i Informasjons- og Kommunikasjonsteknologi 2008, Universitetet i Agder, Grimstad Ericsson Mobile Platform (EMP) is responsible of the development of a software platform and also to some extend responsible for related hardware parts. EMP is developing the data communication parts of the platform which is used by EMP customers. The platform development is done in large development programs and each program span over a quite a long time period. However, as we see eve...

  16. Monitoring Student Activity in Collaborative Software Development

    DEFF Research Database (Denmark)

    Dietsch, Daniel; Podelski, Andreas; Nam, Jaechang

    2013-01-01

    year of studies formed 20 groups and worked collaboratively to develop video games. Throughout the lab, students have to use a variety of tools for managing and developing their projects, such as software version control, static analysis tools, wikis, mailing lists, etc. The students are also supported......This paper presents data analysis from a course on Software Engineering in an effort to identify metrics and techniques that would allow instructor to act proactively and identify patterns of low engagement and inefficient peer collaboration. Over the last two terms, 106 students in their second...... by weekly meetings with teaching assistants and instructors regarding group progress, code quality, and management issues. Through these meetings and their interactions with the software tools, students leave a detailed trace of data related to their individual engagement and their collaboration behavior...

  17. A Quantitative Study of Global Software Development Teams, Requirements, and Software Projects

    Science.gov (United States)

    Parker, Linda L.

    2016-01-01

    The study explored the relationship between global software development teams, effective software requirements, and stakeholders' perception of successful software development projects within the field of information technology management. It examined the critical relationship between Global Software Development (GSD) teams creating effective…

  18. The advanced software development workstation project

    Science.gov (United States)

    Fridge, Ernest M., III; Pitman, Charles L.

    1991-01-01

    The Advanced Software Development Workstation (ASDW) task is researching and developing the technologies required to support Computer Aided Software Engineering (CASE) with the emphasis on those advanced methods, tools, and processes that will be of benefit to support all NASA programs. Immediate goals are to provide research and prototype tools that will increase productivity, in the near term, in projects such as the Software Support Environment (SSE), the Space Station Control Center (SSCC), and the Flight Analysis and Design System (FADS) which will be used to support the Space Shuttle and Space Station Freedom. Goals also include providing technology for development, evolution, maintenance, and operations. The technologies under research and development in the ASDW project are targeted to provide productivity enhancements during the software life cycle phase of enterprise and information system modeling, requirements generation and analysis, system design and coding, and system use and maintenance. On-line user's guides will assist users in operating the developed information system with knowledge base expert assistance.

  19. Testing Software Development Project Productivity Model

    Science.gov (United States)

    Lipkin, Ilya

    Software development is an increasingly influential factor in today's business environment, and a major issue affecting software development is how an organization estimates projects. If the organization underestimates cost, schedule, and quality requirements, the end results will not meet customer needs. On the other hand, if the organization overestimates these criteria, resources that could have been used more profitably will be wasted. There is no accurate model or measure available that can guide an organization in a quest for software development, with existing estimation models often underestimating software development efforts as much as 500 to 600 percent. To address this issue, existing models usually are calibrated using local data with a small sample size, with resulting estimates not offering improved cost analysis. This study presents a conceptual model for accurately estimating software development, based on an extensive literature review and theoretical analysis based on Sociotechnical Systems (STS) theory. The conceptual model serves as a solution to bridge organizational and technological factors and is validated using an empirical dataset provided by the DoD. Practical implications of this study allow for practitioners to concentrate on specific constructs of interest that provide the best value for the least amount of time. This study outlines key contributing constructs that are unique for Software Size E-SLOC, Man-hours Spent, and Quality of the Product, those constructs having the largest contribution to project productivity. This study discusses customer characteristics and provides a framework for a simplified project analysis for source selection evaluation and audit task reviews for the customers and suppliers. Theoretical contributions of this study provide an initial theory-based hypothesized project productivity model that can be used as a generic overall model across several application domains such as IT, Command and Control

  20. Standardization of software application development and governance

    OpenAIRE

    Labbe, Peter P.

    2015-01-01

    Approved for public release; distribution is unlimited A number of Defense Department initiatives focus on how to engineer better systems that directly influence software architecture, including Open Architecture, Enterprise Architecture, and Joint Information Enterprise. Additionally, the Department of Defense (DOD) mandates moving applications to consolidated datacenters and cloud computing. When examined from an application development perspective, the DOD lacks a common approach for in...

  1. Developing Software For Monitoring And Diagnosis

    Science.gov (United States)

    Edwards, S. J.; Caglayan, A. K.

    1993-01-01

    Expert-system software shell produces executable code. Report discusses beginning phase of research directed toward development of artificial intelligence for real-time monitoring of, and diagnosis of faults in, complicated systems of equipment. Motivated by need for onboard monitoring and diagnosis of electronic sensing and controlling systems of advanced aircraft. Also applicable to such equipment systems as refineries, factories, and powerplants.

  2. Programming language concepts for software developers

    DEFF Research Database (Denmark)

    Sestoft, Peter

    2008-01-01

    This note describes and motivates our current plans for an undergraduate course on programming language concepts for software development students. We describe the competences we expect students to acquire as well as the topics covered by the course. We plan to use C# and Scheme as instruction...

  3. A Framework for Teaching Software Development Methods

    Science.gov (United States)

    Dubinsky, Yael; Hazzan, Orit

    2005-01-01

    This article presents a study that aims at constructing a teaching framework for software development methods in higher education. The research field is a capstone project-based course, offered by the Technion's Department of Computer Science, in which Extreme Programming is introduced. The research paradigm is an Action Research that involves…

  4. Communal Resources in Open Source Software Development

    Science.gov (United States)

    Spaeth, Sebastian; Haefliger, Stefan; von Krogh, Georg; Renzl, Birgit

    2008-01-01

    Introduction: Virtual communities play an important role in innovation. The paper focuses on the particular form of collective action in virtual communities underlying as Open Source software development projects. Method: Building on resource mobilization theory and private-collective innovation, we propose a theory of collective action in…

  5. Managing Risk Areas in Software Development Offshoring

    DEFF Research Database (Denmark)

    Persson, John Stouby; Schlichter, Bjarne Rerup

    2015-01-01

    Software companies are increasingly offshoring development to countries with high expertise at lower cost. Offshoring involves particular risk areas that if ignored increase the likelihood of failure. However, the offshoring client’s maturity level may influence the management of these risk areas...

  6. Development of a flight software testing methodology

    Science.gov (United States)

    Mccluskey, E. J.; Andrews, D. M.

    1985-01-01

    The research to develop a testing methodology for flight software is described. An experiment was conducted in using assertions to dynamically test digital flight control software. The experiment showed that 87% of typical errors introduced into the program would be detected by assertions. Detailed analysis of the test data showed that the number of assertions needed to detect those errors could be reduced to a minimal set. The analysis also revealed that the most effective assertions tested program parameters that provided greater indirect (collateral) testing of other parameters. In addition, a prototype watchdog task system was built to evaluate the effectiveness of executing assertions in parallel by using the multitasking features of Ada.

  7. Reliable Software Development for Machine Protection Systems

    CERN Document Server

    Anderson, D; Dragu, M; Fuchsberger, K; Garnier, JC; Gorzawski, AA; Koza, M; Krol, K; Misiowiec, K; Stamos, K; Zerlauth, M

    2014-01-01

    The Controls software for the Large Hadron Collider (LHC) at CERN, with more than 150 millions lines of code, resides amongst the largest known code bases in the world1. Industry has been applying Agile software engineering techniques for more than two decades now, and the advantages of these techniques can no longer be ignored to manage the code base for large projects within the accelerator community. Furthermore, CERN is a particular environment due to the high personnel turnover and manpower limitations, where applying Agile processes can improve both, the codebase management as well as its quality. This paper presents the successful application of the Agile software development process Scrum for machine protection systems at CERN, the quality standards and infrastructure introduced together with the Agile process as well as the challenges encountered to adapt it to the CERN environment.

  8. Architecture design in global and model-centric software development

    NARCIS (Netherlands)

    Heijstek, Werner

    2012-01-01

    This doctoral dissertation describes a series of empirical investigations into representation, dissemination and coordination of software architecture design in the context of global software development. A particular focus is placed on model-centric and model-driven software development.

  9. Lean Development with the Morpheus Simulation Software

    Science.gov (United States)

    Brogley, Aaron C.

    2013-01-01

    The Morpheus project is an autonomous robotic testbed currently in development at NASA's Johnson Space Center (JSC) with support from other centers. Its primary objectives are to test new 'green' fuel propulsion systems and to demonstrate the capability of the Autonomous Lander Hazard Avoidance Technology (ALHAT) sensor, provided by the Jet Propulsion Laboratory (JPL) on a lunar landing trajectory. If successful, these technologies and lessons learned from the Morpheus testing cycle may be incorporated into a landing descent vehicle used on the moon, an asteroid, or Mars. In an effort to reduce development costs and cycle time, the project employs lean development engineering practices in its development of flight and simulation software. The Morpheus simulation makes use of existing software packages where possible to reduce the development time. The development and testing of flight software occurs primarily through the frequent test operation of the vehicle and incrementally increasing the scope of the test. With rapid development cycles, risk of loss of the vehicle and loss of the mission are possible, but efficient progress in development would not be possible without that risk.

  10. Software

    Energy Technology Data Exchange (ETDEWEB)

    Macedo, R.; Budd, G.; Ross, E.; Wells, P.

    2010-07-15

    The software section of this journal presented new software programs that have been developed to help in the exploration and development of hydrocarbon resources. Software provider IHS Inc. has made additions to its geological and engineering analysis software tool, IHS PETRA, a product used by geoscientists and engineers to visualize, analyze and manage well production, well log, drilling, reservoir, seismic and other related information. IHS PETRA also includes a directional well module and a decline curve analysis module to improve analysis capabilities in unconventional reservoirs. Petris Technology Inc. has developed a software to help manage the large volumes of data. PetrisWinds Enterprise (PWE) helps users find and manage wellbore data, including conventional wireline and MWD core data; analysis core photos and images; waveforms and NMR; and external files documentation. Ottawa-based Ambercore Software Inc. has been collaborating with Nexen on the Petroleum iQ software for steam assisted gravity drainage (SAGD) producers. Petroleum iQ integrates geology and geophysics data with engineering data in 3D and 4D. Calgary-based Envirosoft Corporation has developed a software that reduces the costly and time-consuming effort required to comply with Directive 39 of the Alberta Energy Resources Conservation Board. The product includes an emissions modelling software. Houston-based Seismic Micro-Technology (SMT) has developed the Kingdom software that features the latest in seismic interpretation. Holland-based Joa Oil and Gas and Calgary-based Computer Modelling Group have both supplied the petroleum industry with advanced reservoir simulation software that enables reservoir interpretation. The 2010 software survey included a guide to new software applications designed to facilitate petroleum exploration, drilling and production activities. Oil and gas producers can use the products for a range of functions, including reservoir characterization and accounting. In

  11. The digital guide to software development

    CERN Document Server

    Dickinson, Christine

    1989-01-01

    Here is the first published description of the processes and practices, tools, and methods this industry giant uses to develop its software products. This 'shirt-sleeves' guide is packed with diagrams and tables that illustrate each step in the complexsoftware development process. You'll learn all about Digital's standard 'phase review process,' the role of teams and their leaders, how CASE tools work, and how to control a project while improving productivity and product quality.

  12. Measuring the impact of computer resource quality on the software development process and product

    Science.gov (United States)

    Mcgarry, Frank; Valett, Jon; Hall, Dana

    1985-01-01

    The availability and quality of computer resources during the software development process was speculated to have measurable, significant impact on the efficiency of the development process and the quality of the resulting product. Environment components such as the types of tools, machine responsiveness, and quantity of direct access storage may play a major role in the effort to produce the product and in its subsequent quality as measured by factors such as reliability and ease of maintenance. During the past six years, the NASA Goddard Space Flight Center has conducted experiments with software projects in an attempt to better understand the impact of software development methodologies, environments, and general technologies on the software process and product. Data was extracted and examined from nearly 50 software development projects. All were related to support of satellite flight dynamics ground-based computations. The relationship between computer resources and the software development process and product as exemplified by the subject NASA data was examined. Based upon the results, a number of computer resource-related implications are provided.

  13. CERN software developers gathering in September

    CERN Document Server

    Antonella Del Rosso

    2015-01-01

    Hundreds of developers work on many different projects at CERN – from data analysis to beam operations and administrative applications. As of this September, they will have an opportunity to meet each other at the newly established Developers@CERN Forum.   “We go to conferences elsewhere but we hardly ever meet here at CERN, where we all work on our own separate software projects,” says José Carlos Luna, a member of the IT department and one of the organisers of the first Developers@CERN Forum. Indeed, although several CERN departments have software developers working in their teams, there is no proper “community” built around them. The first Developers@CERN Forum will be held on 28 and 29 September. The event is being organised by a few developers from the IT department, together with colleagues from the GS and EN departments. Its main scope is to reach out to all the departments in an effort to bring all CERN’s software dev...

  14. Developing software is not an easy matter

    Directory of Open Access Journals (Sweden)

    Tina Cardrige

    2014-12-01

    Full Text Available Why is it so difficult to learn to develop software? This question has been trying to answer for a long time, but has not yet found a solution to this issue. Moreover, it tends to confuse development with programming, and this also creates problems to elucidate the question. In an era in which urgently required improve the quality, and reliability, and safety of software it becomes urgent to potentiate or develop skills and abilities in professionals to meet these needs. But students are not interested in making careers involving these concepts, they prefer other less demanding and easier to achieve a certification. This article attempts to answer the question and present some suggestions for overcoming this difficulty.

  15. Software development tools using GPGPU potentialities

    International Nuclear Information System (INIS)

    Dudnik, V.A.; Kudryavtsev, V.I.; Sereda, T.M.; Us, S.A.; Shestakov, M.V.

    2011-01-01

    The paper deals with potentialities of various up-to-date software development tools for making use of graphic processor (GPU) parallel computing resources. Examples are given to illustrate the use of present-day software tools for the development of applications and realization of algorithms for scientific-technical calculations performed by GPGPU. The paper presents some classes of hard mathematical problems of scientific-technical calculations, for which the GPGPU can be efficiently used. is possible. To reduce the time of calculation program development with the use of GPGPU capabilities, various dedicated programming systems and problem-oriented subroutine libraries are recommended. Performance parameters when solving the problems with and without the use of GPGPU potentialities are compared.

  16. Illumination compensation in ground based hyperspectral imaging

    Science.gov (United States)

    Wendel, Alexander; Underwood, James

    2017-07-01

    Hyperspectral imaging has emerged as an important tool for analysing vegetation data in agricultural applications. Recently, low altitude and ground based hyperspectral imaging solutions have come to the fore, providing very high resolution data for mapping and studying large areas of crops in detail. However, these platforms introduce a unique set of challenges that need to be overcome to ensure consistent, accurate and timely acquisition of data. One particular problem is dealing with changes in environmental illumination while operating with natural light under cloud cover, which can have considerable effects on spectral shape. In the past this has been commonly achieved by imaging known reference targets at the time of data acquisition, direct measurement of irradiance, or atmospheric modelling. While capturing a reference panel continuously or very frequently allows accurate compensation for illumination changes, this is often not practical with ground based platforms, and impossible in aerial applications. This paper examines the use of an autonomous unmanned ground vehicle (UGV) to gather high resolution hyperspectral imaging data of crops under natural illumination. A process of illumination compensation is performed to extract the inherent reflectance properties of the crops, despite variable illumination. This work adapts a previously developed subspace model approach to reflectance and illumination recovery. Though tested on a ground vehicle in this paper, it is applicable to low altitude unmanned aerial hyperspectral imagery also. The method uses occasional observations of reference panel training data from within the same or other datasets, which enables a practical field protocol that minimises in-field manual labour. This paper tests the new approach, comparing it against traditional methods. Several illumination compensation protocols for high volume ground based data collection are presented based on the results. The findings in this paper are

  17. Embracing Open Software Development in Solar Physics

    Science.gov (United States)

    Hughitt, V. K.; Ireland, J.; Christe, S.; Mueller, D.

    2012-12-01

    We discuss two ongoing software projects in solar physics that have adopted best practices of the open source software community. The first, the Helioviewer Project, is a powerful data visualization tool which includes online and Java interfaces inspired by Google Maps (tm). This effort allows users to find solar features and events of interest, and download the corresponding data. Having found data of interest, the user now has to analyze it. The dominant solar data analysis platform is an open-source library called SolarSoft (SSW). Although SSW itself is open-source, the programming language used is IDL, a proprietary language with licensing costs that are prohibative for many institutions and individuals. SSW is composed of a collection of related scripts written by missions and individuals for solar data processing and analysis, without any consistent data structures or common interfaces. Further, at the time when SSW was initially developed, many of the best software development processes of today (mirrored and distributed version control, unit testing, continuous integration, etc.) were not standard, and have not since been adopted. The challenges inherent in developing SolarSoft led to a second software project known as SunPy. SunPy is an open-source Python-based library which seeks to create a unified solar data analysis environment including a number of core datatypes such as Maps, Lightcurves, and Spectra which have consistent interfaces and behaviors. By taking advantage of the large and sophisticated body of scientific software already available in Python (e.g. SciPy, NumPy, Matplotlib), and by adopting many of the best practices refined in open-source software development, SunPy has been able to develop at a very rapid pace while still ensuring a high level of reliability. The Helioviewer Project and SunPy represent two pioneering technologies in solar physics - simple yet flexible data visualization and a powerful, new data analysis environment. We

  18. Remote Software Application and Display Development

    Science.gov (United States)

    Sanders, Brandon T.

    2014-01-01

    The era of the shuttle program has come to an end, but only to give rise to newer and more exciting projects. Now is the time of the Orion spacecraft, a work of art designed to exceed all previous endeavors of man. NASA is exiting the time of exploration and is entering a new period, a period of pioneering. With this new mission, many of NASAs organizations must undergo a great deal of change and development to support the Orion missions. The Spaceport Command and Control System (SCCS) is the new system that will provide NASA the ability to launch rockets into orbit and thus control Orion and other spacecraft as the goal of populating Mars becomes ever increasingly tangible. Since the previous control system, Launch Processing System (LPS), was primarily designed to launch the shuttles, SCCS was needed as Kennedy Space Center (KSC) reorganized to a multiuser spaceport for commercial flights, providing a more versatile control over rockets. Within SCCS, is the Launch Control System (LCS), which is the remote software behind the command and monitoring of flight and ground system hardware. This internship at KSC has involved two main components in LCS, including Remote Software Application and Display development. The display environment provides a graphical user interface for an operator to view and see if any cautions are raised, while the remote applications are the backbone that communicate with hardware, and then relay the data back to the displays. These elements go hand in hand as they provide monitoring and control over hardware and software alike from the safety of the Launch Control Center. The remote software applications are written in Application Control Language (ACL), which must undergo unit testing to ensure data integrity. This paper describes both the implementation and writing of unit tests in ACL code for remote software applications, as well as the building of remote displays to be used in the Launch Control Center (LCC).

  19. Space and Missile Systems Center Standard: Software Development

    Science.gov (United States)

    2015-01-16

    waterfall development lifecycle models . Source: Adapted from (IEEE 610.12) See (IEEE 1074) for more information. Software ...spiral, and waterfall lifecycle models .) 2. The developer shall record the selected software development lifecycle model (s) in the Software ...through i.e., waterfall , lifecycle model , the following requirements apply with the interpretation that the software is developed as a single build.

  20. Ethics and Morality in Software Development: A Developer's Perspective

    Science.gov (United States)

    Stephenson, James H.

    2010-01-01

    Computers and other digital devices have become ubiquitous in our lives. Almost all aspects of our lives are in part or wholly impacted by computers and the software that runs on them. Unknowingly, we are placing our livelihoods and even our lives in the hands unknown software developers. Ethical and moral decisions made during software…

  1. Software Quality in the Objectory Software Development Process

    NARCIS (Netherlands)

    van den Berg, Klaas; Demeyer, S.; Bosch, J.

    In this paper we discuss how software quality assurance is realized in Rational Objectory. Although much support is given through guidelines and checkpoints, the tool fails to provide clear goals and metrics for quality assessments and it only partially supports the phases in a measurement program.

  2. Holistic Framework For Establishing Interoperability of Heterogeneous Software Development Tools

    National Research Council Canada - National Science Library

    Puett, Joseph

    2003-01-01

    This dissertation presents a Holistic Framework for Software Engineering (HFSE) that establishes collaborative mechanisms by which existing heterogeneous software development tools and models will interoperate...

  3. Problems in software development for nuclear robotics

    International Nuclear Information System (INIS)

    Shinohara, Yoshikuni

    1986-01-01

    Major technical problems in developing softwares for intelligent robots for future nuclear applications are explained briefly. In order that a robot can perform various kinds of complex works, it must be equipped with a high level of artificial intelligence which includes sensing functions such as visiual, auditory, tactile, proximity sensing, cognitive functions such as recognition of objects and understanding of working environment, decision-making functions such as work planning and control functions such as manipulator and locomotion controls. A large amount of various kinds of signals and informations must be processed with a high speed for an integrated control of these functions. It will be desirable that the computer program for controlling a robot which must run in a real-time will have a functionally hierarchical and distributed structure from the view point of software development. Parallel processing will be required from the view point of computation time. (author)

  4. A study on methodological of software development for HEP

    International Nuclear Information System (INIS)

    Ding Yuzheng; Dai Guiliang

    1999-01-01

    The HEP related software system is a large one. It comprises mainly detector simulation software, DAQ software and offline system. The author discusses the advantages of OO object oriented methodologies applying to such software system, and the basic strategy for the usage of OO methodologies, languages and tools in the development of the HEP related software are given

  5. Novel software system development for finance

    OpenAIRE

    Maad, Soha

    2002-01-01

    This paper addresses the need for novel software system development (SSD) practices in finance. It proposes Empirical Modelling as a novel approach for SSD in finance. This approach aims at finding a suitable framework for studying both the traditional and the emerging computing culture to SSD in finance. First, the paper studies the change in the financial industry and identifies key issues of the application of computer-based technology in finance. These key issues are framed in a wider age...

  6. Software Quality Perceptions of Stakeholders Involved in the Software Development Process

    Science.gov (United States)

    Padmanabhan, Priya

    2013-01-01

    Software quality is one of the primary determinants of project management success. Stakeholders involved in software development widely agree that quality is important (Barney and Wohlin 2009). However, they may differ on what constitutes software quality, and which of its attributes are more important than others. Although, software quality…

  7. Joint Partnership: a New Software Development Paradigm

    International Nuclear Information System (INIS)

    Smejkal, A.; Linnebach, R.; ); Longo, J.; Nordquist, H.; Regula, J.

    2015-01-01

    A joint development partnership between Euratom and the IAEA was established in 2013 for the standard software iRAP (Integrated Review and Analysis Program), an automated analysis tool for Non-Destructive Analysis data. The application includes a database system which allows inspectors to perform an efficient, easy and quick review of huge amounts of safeguards relevant data especially in large facilities. iRAP (formerly know as CRISP) analyzes measured data in a multi-sensor system and compares the results with item movement declarations provided by the plant operator. A considerable number of evaluation algorithms are already integrated into the iRAP system. They are the core of the application and can be either developed in-house (e.g., Pu Mass Calculation) or integrated as a third party development into the system. The licence agreement which provides the legal basis for the joint development shares Intellectual Property (IP) rights, costs for development, and combines features that are beneficial to both inspectorates. Instead of starting a new costly software development, the Agency can leverage already existing code and make smaller investments into tailoring the application to the needs of IAEA inspectors. Much of the system's integrity depends on the requirements gathered. A joint development partnership involves more users in the development life cycle; more users will define their requirements. This ensures that the system developed satisfies the actual needs of safeguards inspectors of both organizations. A joint software development allows as well for an efficient use of financial and human resources. Within the frame of the agreement, a Change Control Board (CCB) with members of both organizations has been established. The CCB meets regularly in order to bring developers, users and technicians together in the very early phase of a development cycle, to define the scope and requirements of projects, to avoid potential conflicts among different

  8. Math Description Engine Software Development Kit

    Science.gov (United States)

    Shelton, Robert O.; Smith, Stephanie L.; Dexter, Dan E.; Hodgson, Terry R.

    2010-01-01

    The Math Description Engine Software Development Kit (MDE SDK) can be used by software developers to make computer-rendered graphs more accessible to blind and visually-impaired users. The MDE SDK generates alternative graph descriptions in two forms: textual descriptions and non-verbal sound renderings, or sonification. It also enables display of an animated trace of a graph sonification on a visual graph component, with color and line-thickness options for users having low vision or color-related impairments. A set of accessible graphical user interface widgets is provided for operation by end users and for control of accessible graph displays. Version 1.0 of the MDE SDK generates text descriptions for 2D graphs commonly seen in math and science curriculum (and practice). The mathematically rich text descriptions can also serve as a virtual math and science assistant for blind and sighted users, making graphs more accessible for everyone. The MDE SDK has a simple application programming interface (API) that makes it easy for programmers and Web-site developers to make graphs accessible with just a few lines of code. The source code is written in Java for cross-platform compatibility and to take advantage of Java s built-in support for building accessible software application interfaces. Compiled-library and NASA Open Source versions are available with API documentation and Programmer s Guide at http:/ / prim e.jsc.n asa. gov.

  9. Control of research oriented software development

    International Nuclear Information System (INIS)

    Lewis, L.C.; Dronkers, J.J.; Pitsker, B.

    1985-12-01

    The Nuclear Waste Policy Act of 1982 directs the Department of Energy (DOE) to dispose permanently high level radioactive waste and civilian spent nuclear fuel by January 31, 1998. DOE has responded by creating an organizational structure that directs all the activities necessary to carry out the legislative demands. LLNL is conducting research in the earth sciences and is developing some unique computer codes to help establish the feasibility of geologic repositories for nuclear waste. LLNL has several codes under development. This paper examines the administrative and organizational measures that were and still are being undertaken in order to control the development of the two major codes. In the case of one code, the software quality assurance requirements were imposed five years after the code began its development. This required a retroactive application of requirements. The other code is still in the conceptual stages of development and here requirements can be applied as soon as the initial code design begins. Both codes are being developed by scientists, not computer programmers, and both are modeling codes, not data acquisition and reduction codes. Also the projects for which these codes are being developed have slightly different software quality assurance requirements. All these factors contribute unique difficulties in attempts to assure that the development not only results in a reliable prediction, but that whatever the reliability, it can be objectively shown to exist. The paper will examine a software management model. It will also discuss the reasons why it is felt that this particular model would stand a reasonable chance for success. The paper will then describe the way in which the model should be integrated into the existing management configuration and tradition

  10. Software Development Plan for DESCARTES and CIDER

    International Nuclear Information System (INIS)

    Eslinger, P.W.

    1992-01-01

    This Software Development Plan (SDP) outlines all software activities required to obtain functional environmental accumulation and individual dose codes for the Hanford Environmental Dose Reconstruction (HEDR) project. The modeling activities addressed use the output of the air transport-code HATCHET to compute radionuclide concentrations in environmental pathways, and continue on through calculations of dose for individuals. The Hanford Environmental Dose Reconstruction (HEDR) Project has a deliverable in the June 1993 time frame to be able to start computing doses to individuals from nuclear-related activities on the Hanford Site during and following World War II. The CIDER code will compute doses and their uncertainties for individuals living in the contaminated environment computed by DESCARTES. The projected size of the code is 3000 lines

  11. Developing Project Duration Models in Software Engineering

    Institute of Scientific and Technical Information of China (English)

    Pierre Bourque; Serge Oligny; Alain Abran; Bertrand Fournier

    2007-01-01

    Based on the empirical analysis of data contained in the International Software Benchmarking Standards Group(ISBSG) repository, this paper presents software engineering project duration models based on project effort. Duration models are built for the entire dataset and for subsets of projects developed for personal computer, mid-range and mainframeplatforms. Duration models are also constructed for projects requiring fewer than 400 person-hours of effort and for projectsre quiring more than 400 person-hours of effort. The usefulness of adding the maximum number of assigned resources as asecond independent variable to explain duration is also analyzed. The opportunity to build duration models directly fromproject functional size in function points is investigated as well.

  12. Computer-Aided Software Engineering - An approach to real-time software development

    Science.gov (United States)

    Walker, Carrie K.; Turkovich, John J.

    1989-01-01

    A new software engineering discipline is Computer-Aided Software Engineering (CASE), a technology aimed at automating the software development process. This paper explores the development of CASE technology, particularly in the area of real-time/scientific/engineering software, and a history of CASE is given. The proposed software development environment for the Advanced Launch System (ALS CASE) is described as an example of an advanced software development system for real-time/scientific/engineering (RT/SE) software. The Automated Programming Subsystem of ALS CASE automatically generates executable code and corresponding documentation from a suitably formatted specification of the software requirements. Software requirements are interactively specified in the form of engineering block diagrams. Several demonstrations of the Automated Programming Subsystem are discussed.

  13. artdaq: DAQ software development made simple

    Science.gov (United States)

    Biery, Kurt; Flumerfelt, Eric; Freeman, John; Ketchum, Wesley; Lukhanin, Gennadiy; Rechenmacher, Ron

    2017-10-01

    For a few years now, the artdaq data acquisition software toolkit has provided numerous experiments with ready-to-use components which allow for rapid development and deployment of DAQ systems. Developed within the Fermilab Scientific Computing Division, artdaq provides data transfer, event building, run control, and event analysis functionality. This latter feature includes built-in support for the art event analysis framework, allowing experiments to run art modules for real-time filtering, compression, disk writing and online monitoring. As art, also developed at Fermilab, is also used for offline analysis, a major advantage of artdaq is that it allows developers to easily switch between developing online and offline software. artdaq continues to be improved. Support for an alternate mode of running whereby data from some subdetector components are only streamed if requested has been added; this option will reduce unnecessary DAQ throughput. Real-time reporting of DAQ metrics has been implemented, along with the flexibility to choose the format through which experiments receive the reports; these formats include the Ganglia, Graphite and syslog software packages, along with flat ASCII files. Additionally, work has been performed investigating more flexible modes of online monitoring, including the capability to run multiple online monitoring processes on different hosts, each running its own set of art modules. Finally, a web-based GUI interface through which users can configure details of their DAQ system has been implemented, increasing the ease of use of the system. Already successfully deployed on the LArlAT, DarkSide-50, DUNE 35ton and Mu2e experiments, artdaq will be employed for SBND and is a strong candidate for use on ICARUS and protoDUNE. With each experiment comes new ideas for how artdaq can be made more flexible and powerful. The above improvements will be described, along with potential ideas for the future.

  14. SOFTWARE PROCESS IMPROVEMENT: AWARENESS, USE, AND BENEFITS IN CANADIAN SOFTWARE DEVELOPMENT FIRMS

    OpenAIRE

    CHEVERS, DELROY

    2017-01-01

    ABSTRACT Since 1982, the software development community has been concerned with the delivery of quality systems. Software process improvement (SPI) is an initiative to avoid the delivery of low quality systems. However, the awareness and adoption of SPI is low. Thus, this study examines the rate of awareness, use, and benefits of SPI initiatives in Canadian software development firms. Using SPSS as the analytical tool, this study found that 59% of Canadian software development firms are aware...

  15. The Effects of Development Team Skill on Software Product Quality

    Science.gov (United States)

    Beaver, Justin M.; Schiavone, Guy A.

    2006-01-01

    This paper provides an analysis of the effect of the skill/experience of the software development team on the quality of the final software product. A method for the assessment of software development team skill and experience is proposed, and was derived from a workforce management tool currently in use by the National Aeronautics and Space Administration. Using data from 26 smallscale software development projects, the team skill measures are correlated to 5 software product quality metrics from the ISO/IEC 9126 Software Engineering Product Quality standard. in the analysis of the results, development team skill is found to be a significant factor in the adequacy of the design and implementation. In addition, the results imply that inexperienced software developers are tasked with responsibilities ill-suited to their skill level, and thus have a significant adverse effect on the quality of the software product. Keywords: software quality, development skill, software metrics

  16. Software Development Infrastructure for the FAIR Experiments

    International Nuclear Information System (INIS)

    Uhlig, F; Al-Turany, M; Bertini, D; Karabowicz, R

    2011-01-01

    The proposed project FAIR (Facility for Anti-proton and Ion Research) is an international accelerator facility of the next generation. It builds on top of the experience and technological developments already made at the existing GSI facility, and incorporate new technological concepts. The four scientific pillars of FAIR are NUSTAR (nuclear structure and astrophysics), PANDA (QCD studies with cooled beams of anti-protons), CBM (physics of hadronic matter at highest baryon densities), and APPA (atomic physics, plasma physics, and applications). The FairRoot framework used by all of the big FAIR experiments as a base for their own specific developments, provides basic functionality like IO, geometry handling etc. The challenge is to support all the different experiments with their heterogeneous requirements. Due to the limited manpower, one of the first design decisions was to (re)use as much as possible already available and tested software and to focus on the development of the framework. Beside the framework itself, the FairRoot core team also provides some software development tools. We will describe the complete set of tools in this article. The Makefiles for all projects are generated using CMake. For software testing and the corresponding quality assurance, we use CTest to generate the results and CDash as web front end. The tools are completed by subversion as source code repository and trac as tool for the complete source code management. This set of tools allows us to offer the full functionality we have for FairRoot also to the experiments based on FairRoot.

  17. Understanding Acceptance of Software Metrics--A Developer Perspective

    Science.gov (United States)

    Umarji, Medha

    2009-01-01

    Software metrics are measures of software products and processes. Metrics are widely used by software organizations to help manage projects, improve product quality and increase efficiency of the software development process. However, metrics programs tend to have a high failure rate in organizations, and developer pushback is one of the sources…

  18. Ground-Based Telescope Parametric Cost Model

    Science.gov (United States)

    Stahl, H. Philip; Rowell, Ginger Holmes

    2004-01-01

    A parametric cost model for ground-based telescopes is developed using multi-variable statistical analysis, The model includes both engineering and performance parameters. While diameter continues to be the dominant cost driver, other significant factors include primary mirror radius of curvature and diffraction limited wavelength. The model includes an explicit factor for primary mirror segmentation and/or duplication (i.e.. multi-telescope phased-array systems). Additionally, single variable models based on aperture diameter are derived. This analysis indicates that recent mirror technology advances have indeed reduced the historical telescope cost curve.

  19. Software development processes and analysis software: a mismatch and a novel framework

    International Nuclear Information System (INIS)

    Kelly, D.; Harauz, J.

    2011-01-01

    This paper discusses the salient characteristics of analysis software and the impact of those characteristics on its development. From this discussion, it can be seen that mainstream software development processes, usually characterized as Plan Driven or Agile, are built upon assumptions that are mismatched to the development and maintenance of analysis software. We propose a novel software development framework that would match the process normally observed in the development of analysis software. In the discussion of this framework, we suggest areas of research and directions for future work. (author)

  20. Metrics Are Needed for Collaborative Software Development

    Directory of Open Access Journals (Sweden)

    Mojgan Mohtashami

    2011-10-01

    Full Text Available There is a need for metrics for inter-organizational collaborative software development projects, encompassing management and technical concerns. In particular, metrics are needed that are aimed at the collaborative aspect itself, such as readiness for collaboration, the quality and/or the costs and benefits of collaboration in a specific ongoing project. We suggest questions and directions for such metrics, spanning the full lifespan of a collaborative project, from considering the suitability of collaboration through evaluating ongoing projects to final evaluation of the collaboration.

  1. Development of neutron activation analysis software

    International Nuclear Information System (INIS)

    Wang Liyu

    1987-10-01

    The software for quantitative neutron activation analysis was developed to run under the MS/DOS operating system. The programmes of the IBM/SPAN include: spectra file transfer from and to a Canberra Series 35 multichannel analyzer, spectrum evaluation routines, calibration subprogrammes, and quantitative analysis. The programmes for spectrum analysis include fitting routine for separation of multiple lines by reproducing the peak shape with a combination of Gaussian and exponential terms. The programmes were tested on an IBM/AT-compatible computer. The programmes and the sources are available costfree for the IAEA projects of Technical Cooperation. 7 refs, 3 figs

  2. Quality Assurance in Software Development: An Exploratory Investigation in Software Project Failures and Business Performance

    Science.gov (United States)

    Ichu, Emmanuel A.

    2010-01-01

    Software quality is perhaps one of the most sought-after attributes in product development, however; this goal is unattained. Problem factors in software development and how these have affected the maintainability of the delivered software systems requires a thorough investigation. It was, therefore, very important to understand software…

  3. Towards a New Paradigm of Software Development: an Ambassador Driven Process in Distributed Software Companies

    Science.gov (United States)

    Kumlander, Deniss

    The globalization of companies operations and competitor between software vendors demand improving quality of delivered software and decreasing the overall cost. The same in fact introduce a lot of problem into software development process as produce distributed organization breaking the co-location rule of modern software development methodologies. Here we propose a reformulation of the ambassador position increasing its productivity in order to bridge communication and workflow gap by managing the entire communication process rather than concentrating purely on the communication result.

  4. Software Development and Feedback from Usability Evaluations

    DEFF Research Database (Denmark)

    Høegh, Rune Thaarup

    2008-01-01

    This paper presents a study of the strengths and weaknesses of written, multimedia and oral feedback from usability evaluations to developers. The strengths and weaknesses are related to how well the feedback supports the developers in addressing usability problems in a software system. The study...... concludes that using the traditional written usability report, as the only form of feedback from usability evaluations is associated with problems related to the report not supporting the process of addressing the usability problems. The report is criticized for representing an overwhelming amount...... of information, while still not offering the required information to address usability problems. Other forms of feedback, such as oral or multimedia feedback helps the developer in understanding the usability problems better, but are on the other hand less cost-effective than a written description....

  5. Interorganizational Boundary Spanning in Global Software Development

    DEFF Research Database (Denmark)

    Søderberg, Anne-Marie; Romani, Laurence

    , and which skills and competencies they draw on in their efforts to deal with emerging cross-cultural issues in a way that paves ground for developing a shared understanding and common platform for the client and vendor representatives. A framework of boundary spanning leadership practices is adapted...... to virtuality and cultural diversity. This paper, which draws on a case study of collaborative work in a global software development project, focuses on key boundary spanners in an Indian vendor company, who are responsible for developing trustful and sustainable client relations and coordinating complex...... projects across multiple cultures, languages, organisational boundaries, time zones and geographical distances. It looks into how these vendor managers get prepared for their complex boundary spanning work, which cross-cultural challenges they experience in their collaboration with Western clients...

  6. Spaceport Command and Control System Software Development

    Science.gov (United States)

    Mahlin, Jonathan Nicholas

    2017-01-01

    There is an immense challenge in organizing personnel across a large agency such as NASA, or even over a subset of that, like a center's Engineering directorate. Workforce inefficiencies and challenges are bound to grow over time without oversight and management. It is also not always possible to hire new employees to fill workforce gaps, therefore available resources must be utilized more efficiently. The goal of this internship was to develop software that improves organizational efficiency by aiding managers, making employee information viewable and editable in an intuitive manner. This semester I created an application for managers that aids in optimizing allocation of employee resources for a single division with the possibility of scaling upwards. My duties this semester consisted of developing frontend and backend software to complete this task. The application provides user-friendly information displays and documentation of the workforce to allow NASA to track diligently track the status and skills of its workforce. This tool should be able to prove that current employees are being effectively utilized and if new hires are necessary to fulfill skill gaps.

  7. Software process improvement: controlling developers, managers or users?

    DEFF Research Database (Denmark)

    Nørbjerg, Jacob

    1999-01-01

    The paper discusses how the latest trend in the management of software development: software process improvement (SPI) may affect user-developer relations. At the outset, SPI concerns the "internal workings" of software organisations, but it may also be interpreted as one way to give the developer...... organisation more control over the development process and the relations with the user organization....

  8. A Conceptual Framework for Lean Regulated Software Development

    DEFF Research Database (Denmark)

    Cawley, Oisin; Richardson, Ita; Wang, Xiaofeng

    2015-01-01

    for software development within a regulated environment? This poster presents the results of our empirical research into lean and regulated software development. Built from a combination of data sources, we have developed a conceptual framework comprising five primary components. In addition the relationships...... they have with both the central focus of the framework (the situated software development practices) and with each other are indicated....

  9. A Comparison of Learning Technologies for Teaching Spacecraft Software Development

    Science.gov (United States)

    Straub, Jeremy

    2014-01-01

    The development of software for spacecraft represents a particular challenge and is, in many ways, a worst case scenario from a design perspective. Spacecraft software must be "bulletproof" and operate for extended periods of time without user intervention. If the software fails, it cannot be manually serviced. Software failure may…

  10. The development and deployment of a ground-based, laser-induced fluorescence instrument for the in situ detection of iodine monoxide radicals

    Energy Technology Data Exchange (ETDEWEB)

    Thurlow, M. E., E-mail: thurlow@huarp.harvard.edu; Hannun, R. A.; Lapson, L. B.; Anderson, J. G. [Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138 (United States); Co, D. T. [Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138 (United States); Argonne-Northwestern Solar Energy Research Center and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113 (United States); O' Brien, A. S. [Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138 (United States); Department of Civil and Environmental Engineering, Princeton University, Princeton, New Jersey 08544 (United States); Hanisco, T. F. [Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138 (United States); NASA Goddard Space Flight Center, Code 614, Greenbelt, Maryland 20771 (United States)

    2014-04-15

    High abundances of iodine monoxide (IO) are known to exist and to participate in local photochemistry of the marine boundary layer. Of particular interest are the roles IO plays in the formation of new particles in coastal marine environments and in depletion episodes of ozone and mercury in the Arctic polar spring. This paper describes a ground-based instrument that measures IO at mixing ratios less than one part in 10{sup 12}. The IO radical is measured by detecting laser-induced fluorescence at wavelengths longer that 500 nm. Tunable visible light is used to pump the A{sup 2}Π{sub 3/2} (v{sup ′} = 2) ← X{sup 2}Π{sub 3/2} (v{sup ″} = 0) transition of IO near 445 nm. The laser light is produced by a solid-state, Nd:YAG-pumped Ti:Sapphire laser at 5 kHz repetition rate. The laser-induced fluorescence instrument performs reliably with very high signal-to-noise ratios (>10) achieved in short integration times (<1 min). The observations from a validation deployment to the Shoals Marine Lab on Appledore Island, ME are presented and are broadly consistent with in situ observations from European Coastal Sites. Mixing ratios ranged from the instrumental detection limit (<1 pptv) to 10 pptv. These data represent the first in situ point measurements of IO in North America.

  11. Development of HgCdTe large format MBE arrays and noise-free high speed MOVPE EAPD arrays for ground based NIR astronomy

    Science.gov (United States)

    Finger, G.; Baker, I.; Downing, M.; Alvarez, D.; Ives, D.; Mehrgan, L.; Meyer, M.; Stegmeier, J.; Weller, H. J.

    2017-11-01

    Large format near infrared HgCdTe 2Kx2K and 4Kx4K MBE arrays have reached a level of maturity which meets most of the specifications required for near infrared (NIR) astronomy. The only remaining problem is the persistence effect which is device specific and not yet fully under control. For ground based multi-object spectroscopy on 40 meter class telescopes larger pixels would be advantageous. For high speed near infrared fringe tracking and wavefront sensing the only way to overcome the CMOS noise barrier is the amplification of the photoelectron signal inside the infrared pixel by means of the avalanche gain. A readout chip for a 320x256 pixel HgCdTe eAPD array will be presented which has 32 parallel video outputs being arranged in such a way that the full multiplex advantage is also available for small sub-windows. In combination with the high APD gain this allows reducing the readout noise to the subelectron level by applying nondestructive readout schemes with subpixel sampling. Arrays grown by MOVPE achieve subelectron readout noise and operate with superb cosmetic quality at high APD gain. Efforts are made to reduce the dark current of those arrays to make this technology also available for large format focal planes of NIR instruments offering noise free detectors for deep exposures. The dark current of the latest MOVPE eAPD arrays is already at a level adequate for noiseless broad and narrow band imaging in scientific instruments.

  12. The development and deployment of a ground-based, laser-induced fluorescence instrument for the in situ detection of iodine monoxide radicals

    International Nuclear Information System (INIS)

    Thurlow, M. E.; Hannun, R. A.; Lapson, L. B.; Anderson, J. G.; Co, D. T.; O'Brien, A. S.; Hanisco, T. F.

    2014-01-01

    High abundances of iodine monoxide (IO) are known to exist and to participate in local photochemistry of the marine boundary layer. Of particular interest are the roles IO plays in the formation of new particles in coastal marine environments and in depletion episodes of ozone and mercury in the Arctic polar spring. This paper describes a ground-based instrument that measures IO at mixing ratios less than one part in 10 12 . The IO radical is measured by detecting laser-induced fluorescence at wavelengths longer that 500 nm. Tunable visible light is used to pump the A 2 Π 3/2 (v ′ = 2) ← X 2 Π 3/2 (v ″ = 0) transition of IO near 445 nm. The laser light is produced by a solid-state, Nd:YAG-pumped Ti:Sapphire laser at 5 kHz repetition rate. The laser-induced fluorescence instrument performs reliably with very high signal-to-noise ratios (>10) achieved in short integration times (<1 min). The observations from a validation deployment to the Shoals Marine Lab on Appledore Island, ME are presented and are broadly consistent with in situ observations from European Coastal Sites. Mixing ratios ranged from the instrumental detection limit (<1 pptv) to 10 pptv. These data represent the first in situ point measurements of IO in North America

  13. The Development and Deployment of a Ground-Based, Laser-Induced Fluorescence Instrument for the In Situ Detection of Iodine Monoxide Radicals

    Science.gov (United States)

    Thurlow, M. E.; Co, D. T.; O'Brien, A. S.; Hannun, R. A.; Lapson, L. B.; Hanisco, T. F.; Anderson, J. G.

    2014-01-01

    High abundances of iodine monoxide (IO) are known to exist and to participate in local photochemistry of the marine boundary layer. Of particular interest are the roles IO plays in the formation of new particles in coastal marine environments and in depletion episodes of ozone and mercury in the Arctic polar spring. This paper describes a ground-based instrument that measures IO at mixing ratios less than one part in 1012. The IO radical is measured by detecting laser-induced fluorescence at wavelengths longer that 500 nm. Tunable visible light is used to pump the A23/2 (v = 2) ? X23/2 (v = 0) transition of IO near 445 nm. The laser light is produced by a solid-state, Nd:YAG-pumped Ti:Sapphire laser at 5 kHz repetition rate. The laser-induced fluorescence instrument performs reliably with very high signal-to-noise ratios (>10) achieved in short integration times (<1 min). The observations from a validation deployment to the Shoals Marine Lab on Appledore Island, ME are presented and are broadly consistent with in situ observations from European Coastal Sites. Mixing ratios ranged from the instrumental detection limit (<1 pptv) to 10 pptv. These data represent the first in situ point measurements of IO in North America.

  14. Development of Image Analysis Software of MAXI

    Science.gov (United States)

    Eguchi, S.; Ueda, Y.; Hiroi, K.; Isobe, N.; Sugizaki, M.; Suzuki, M.; Tomida, H.; Maxi Team

    2010-12-01

    Monitor of All-sky X-ray Image (MAXI) is an X-ray all-sky monitor, attached to the Japanese experiment module Kibo on the International Space Station. The main scientific goals of the MAXI mission include the discovery of X-ray novae followed by prompt alerts to the community (Negoro et al., in this conference), and production of X-ray all-sky maps and new source catalogs with unprecedented sensitivities. To extract the best capabilities of the MAXI mission, we are working on the development of detailed image analysis tools. We utilize maximum likelihood fitting to a projected sky image, where we take account of the complicated detector responses, such as the background and point spread functions (PSFs). The modeling of PSFs, which strongly depend on the orbit and attitude of MAXI, is a key element in the image analysis. In this paper, we present the status of our software development.

  15. Cross-platform software development with Qt

    CERN Multimedia

    CERN. Geneva

    2018-01-01

    Overview of the Qt framework, new features of Qt 5.10 and preview of the Qt roadmap Introduction of the Qt framework as well as the new features and improvements of Qt 5.10. Showcase the different Qt UI technologies such as Widgets and Qml, overview of the automation suite and preview of the new features to come in Qt Creator. Elaborating on the Qt 3D offering and preview of the Qt roadmap. Presenting use cases of Qt integration in the medical and automation sectors. About the speaker Ionut is a serial entrepreneur, now working as Qt Adviser for The Qt Company. He studied biomedical engineering in Montreal, Canada and worked for 4 years as a Senior Software Developer at a software company in the life science and medical imaging area. He founded two interactive media companies, one in Montreal, Canada and another one in Berlin, Germany. Ionut has also more than 10 years of experience in the digital signage industry. He has been working with the Qt framework since 2006 and is a huge fan of it.   &...

  16. Command and Control Software Development Memory Management

    Science.gov (United States)

    Joseph, Austin Pope

    2017-01-01

    This internship was initially meant to cover the implementation of unit test automation for a NASA ground control project. As is often the case with large development projects, the scope and breadth of the internship changed. Instead, the internship focused on finding and correcting memory leaks and errors as reported by a COTS software product meant to track such issues. Memory leaks come in many different flavors and some of them are more benign than others. On the extreme end a program might be dynamically allocating memory and not correctly deallocating it when it is no longer in use. This is called a direct memory leak and in the worst case can use all the available memory and crash the program. If the leaks are small they may simply slow the program down which, in a safety critical system (a system for which a failure or design error can cause a risk to human life), is still unacceptable. The ground control system is managed in smaller sub-teams, referred to as CSCIs. The CSCI that this internship focused on is responsible for monitoring the health and status of the system. This team's software had several methods/modules that were leaking significant amounts of memory. Since most of the code in this system is safety-critical, correcting memory leaks is a necessity.

  17. Adapting the unified software development process for user interface development

    NARCIS (Netherlands)

    Obrenovic, Z.; Starcevic, D.

    2006-01-01

    In this paper we describe how existing software developing processes, such as Rational Unified Process, can be adapted in order to allow disciplined and more efficient development of user interfaces. The main objective of this paper is to demonstrate that standard modeling environments, based on the

  18. An Assessment between Software Development Life Cycle Models of Software Engineering

    OpenAIRE

    Er. KESHAV VERMA; Er. PRAMOD KUMAR; Er. MOHIT KUMAR; Er.GYANESH TIWARI

    2013-01-01

    This research deals with an essential and important subject in Digital world. It is related with the software managing processes that inspect the part of software development during the development models, which are called as software development life cycle. It shows five of the development models namely, waterfall, Iteration, V-shaped, spiral and Extreme programming. These models have advantages and disadvantages as well. So, the main objective of this research is to represent dissimilar mod...

  19. Firing Room Remote Application Software Development & Swamp Works Laboratory Robot Software Development

    Science.gov (United States)

    Garcia, Janette

    2016-01-01

    The National Aeronautics and Space Administration (NASA) is creating a way to send humans beyond low Earth orbit, and later to Mars. Kennedy Space Center (KSC) is working to make this possible by developing a Spaceport Command and Control System (SCCS) which will allow the launch of Space Launch System (SLS). This paper's focus is on the work performed by the author in her first and second part of the internship as a remote application software developer. During the first part of her internship, the author worked on the SCCS's software application layer by assisting multiple ground subsystems teams including Launch Accessories (LACC) and Environmental Control System (ECS) on the design, development, integration, and testing of remote control software applications. Then, on the second part of the internship, the author worked on the development of robot software at the Swamp Works Laboratory which is a research and technology development group which focuses on inventing new technology to help future In-Situ Resource Utilization (ISRU) missions.

  20. Crisis management for software development and knowledge transfer

    CERN Document Server

    Zykov, Sergey V

    2016-01-01

    This well structured book discusses lifecycle optimization of software projects for crisis management by means of software engineering methods and tools. Its outcomes are based on lessons learned from the software engineering crisis which started in the 1960s. The book presents a systematic approach to overcome the crisis in software engineering depends which not only depends on technology-related but also on human-related factors. It proposes an adaptive methodology for software product development, which optimizes the software product lifecycle in order to avoid “local” crises of software production. The general lifecycle pattern and its stages are discussed, and their impact on the time and budget of the software product development is analyzed. The book identifies key advantages and disadvantages for various models selected and concludes that there is no “silver bullet”, or universal model, which suits all software products equally well. It approaches software architecture in terms of process, dat...

  1. Prometheus Reactor I and C Software Development Methodology, for Action

    International Nuclear Information System (INIS)

    T. Hamilton

    2005-01-01

    The purpose of this letter is to submit the Reactor Instrumentation and Control (I and C) software life cycle, development methodology, and programming language selections and rationale for project Prometheus to NR for approval. This letter also provides the draft Reactor I and C Software Development Process Manual and Reactor Module Software Development Plan to NR for information

  2. Prometheus Reactor I&C Software Development Methodology, for Action

    Energy Technology Data Exchange (ETDEWEB)

    T. Hamilton

    2005-07-30

    The purpose of this letter is to submit the Reactor Instrumentation and Control (I&C) software life cycle, development methodology, and programming language selections and rationale for project Prometheus to NR for approval. This letter also provides the draft Reactor I&C Software Development Process Manual and Reactor Module Software Development Plan to NR for information.

  3. Gazing through Windows at component software development

    International Nuclear Information System (INIS)

    Foster, David

    1996-01-01

    What has been presented here is an overview of the architectural plan for distributed computing by Microsoft. The business opportunity is tied to the rapid growth of consumer computing which is happening now and will continue far into the future. Being able to create a logically centralized, through the use of interface standards, and physically distributed computing environment where anyone can provide services is major challenge. Managing complexity and creating a consistent framework through the use of componentware technology is paramount to its success. The ability to scale distributed processing, manage diverse groups involved in data analysis and facilitate collaboration at all levels are the business processes of particular interest to the HEP community. In realizing the business opportunity they see, Microsoft and others, will help solve many of the basic problems facing HEP in the next ten years. By closely tracking the software developments and investing in understanding the technologies presented here, HEP will gain great benefit from commodity computing. (author)

  4. Recent software developments for biomechanical assessment

    Science.gov (United States)

    Greaves, John O. B.

    1990-08-01

    While much of the software developed in research laboratories is narrow in focus and suited for a specific experiment, some of it is broad enough and of high enough quality to be useful to others in solving similar problems. Several biomechanical assessment packages are now beginning to emerge, including: * 3D research biomechanics (5- and 6-DOF) with kinematics, kinetics, 32-channel analog data subsystem, and project management. * 3D full-body gait analysis with kinematics, kinetics, EMG charts, and force plate charts. * 2D dynamic rear-foot assessment. * 2D occupational biomechanics lifting task and personnel assessments. * 2D dynamic gait analysis. * Multiple 2D dynamic spine assessments. * 2D sport and biomechanics assessments with kinematics and kinetics. * 2D and 3D equine gait assessments.

  5. Image processing and analysis software development

    International Nuclear Information System (INIS)

    Shahnaz, R.

    1999-01-01

    The work presented in this project is aimed at developing a software 'IMAGE GALLERY' to investigate various image processing and analysis techniques. The work was divided into two parts namely the image processing techniques and pattern recognition, which further comprised of character and face recognition. Various image enhancement techniques including negative imaging, contrast stretching, compression of dynamic, neon, diffuse, emboss etc. have been studied. Segmentation techniques including point detection, line detection, edge detection have been studied. Also some of the smoothing and sharpening filters have been investigated. All these imaging techniques have been implemented in a window based computer program written in Visual Basic Neural network techniques based on Perception model have been applied for face and character recognition. (author)

  6. Development of a software for the curimeter model cdn102

    International Nuclear Information System (INIS)

    Dotres Llera, Armando

    2001-01-01

    The characteristics of the software for the Curimeter Model CD-N102 developed at CEADEN are presented. The software consists of two main parts: a basic software for the electrometer block and an application software for a P C. The basic software is totally independent of the Pc and performs all the basic functions of the process of measurement. The application software is optional and offers a friendlier interface and additional options to the user. Among these is the possibility to keep a statistical record of the measurements in a database, to create labels and to introduce new isotopes and calibrate them. A more detailed explanation of both software is given

  7. A new paradigm for the development of analysis software

    International Nuclear Information System (INIS)

    Kelly, D.; Harauz, J.

    2012-01-01

    For the CANDU industry, analysis software is an important tool for scientists and engineers to examine issues related to safety, operation, and design. However, the software quality assurance approach currently used for these tools assumes the software is the delivered product. In this paper, we present a model that shifts the emphasis from software being the end-product to software being support for the end-product, the science. We describe a novel software development paradigm that supports this shift and provides the groundwork for re-examining the quality assurance practices used for analysis software. (author)

  8. Management Guidelines for Database Developers' Teams in Software Development Projects

    Science.gov (United States)

    Rusu, Lazar; Lin, Yifeng; Hodosi, Georg

    Worldwide job market for database developers (DBDs) is continually increasing in last several years. In some companies, DBDs are organized as a special team (DBDs team) to support other projects and roles. As a new role, the DBDs team is facing a major problem that there are not any management guidelines for them. The team manager does not know which kinds of tasks should be assigned to this team and what practices should be used during DBDs work. Therefore in this paper we have developed a set of management guidelines, which includes 8 fundamental tasks and 17 practices from software development process, by using two methodologies Capability Maturity Model (CMM) and agile software development in particular Scrum in order to improve the DBDs team work. Moreover the management guidelines developed here has been complemented with practices from authors' experience in this area and has been evaluated in the case of a software company. The management guidelines for DBD teams presented in this paper could be very usefully for other companies too that are using a DBDs team and could contribute towards an increase of the efficiency of these teams in their work on software development projects.

  9. Software development for managing nuclear material database

    International Nuclear Information System (INIS)

    Tondin, Julio Benedito Marin

    2011-01-01

    In nuclear facilities, the nuclear material control is one of the most important activities. The Brazilian National Commission of Nuclear Energy (CNEN) and the International Atomic Energy Agency (IAEA), when inspecting routinely, regards the data provided as a major safety factor. Having a control system of nuclear material that allows the amount and location of the various items to be inspected, at any time, is a key factor today. The objective of this work was to enhance the existing system using a more friendly platform of development, through the VisualBasic programming language (Microsoft Corporation), to facilitate the operation team of the reactor IEA-R1 Reactor tasks, providing data that enable a better and prompter control of the IEA-R1 nuclear material. These data have allowed the development of papers presented at national and international conferences and the development of master's dissertations and doctorate theses. The software object of this study was designed to meet the requirements of the CNEN and the IAEA safeguard rules, but its functions may be expanded in accordance with future needs. The program developed can be used in other reactors to be built in the country, since it is very practical and allows an effective control of the nuclear material in the facilities. (author)

  10. Command and Control System Software Development

    Science.gov (United States)

    Velasquez, Ricky

    2017-01-01

    Kennedy Space Center has been the heart of human space flight for decades. From the Apollo Program to the Space Shuttle Program, and now to the coming Space Launch System (SLS) and Orion, NASA will be a leader in deep space exploration for mankind. Before any rockets blast off, there is significant work to be done in preparation for launch. People working on all aspects of spaceflight must contribute by developing new technology that has yet to participate in a successful launch, and which can work with technology already proven in flight. These innovations, whether hardware or software, must be tried and true, and includes the projects to which interns contribute to. For this internship, the objective was to create a data recording system for the developers of a LCS section that records certain messages in the traffic of the system. Developers would then be able to use these recordings for analysis later on, either manually or by an automated test. The tool would be of convenience to a developer as it would be used if the system's main data recorder was not available for tests.

  11. Software Development Methods and Tools: a New Zealand study

    OpenAIRE

    Chris Phillips; Elizabeth Kemp; Duncan Hedderley

    2005-01-01

    This study is a more detailed follow-up to a preliminary investigation of the practices of software engineers in New Zealand. The focus of this study is on the methods and tools used by software developers in their current organisation. The project involved detailed questionnaires being piloted and sent out to several hundred software developers. A central part of the research involved the identification of factors affecting the use and take-up of existing software development tools in the wo...

  12. Towards a Theory of Affect and Software Developers' Performance

    OpenAIRE

    Graziotin, Daniel

    2016-01-01

    For more than thirty years, it has been claimed that a way to improve software developers' productivity and software quality is to focus on people. The underlying assumption seems to be that "happy and satisfied software developers perform better". More specifically, affects-emotions and moods-have an impact on cognitive activities and the working performance of individuals. Development tasks are undertaken heavily through cognitive processes, yet software engineering research (SE) lacks theo...

  13. Goals, Objectives, and Requirements (GOR) of the Ground-based Nuclear Detonation Detection (GNDD) Team for the Office of Defense Nuclear Nonproliferation Research and Development (DNN R&D)

    International Nuclear Information System (INIS)

    Casey, Leslie A.

    2014-01-01

    The goal, objectives, and requirements (GOR) presented in this document define a framework for describing research directed specifically by the Ground-based Nuclear Detonation Detection (GNDD) Team of the National Nuclear Security Administration (NNSA). The intent of this document is to provide a communication tool for the GNDD Team with NNSA management and with its stakeholder community. It describes the GNDD expectation that much of the improvement in the proficiency of nuclear explosion monitoring will come from better understanding of the science behind the generation, propagation, recording, and interpretation of seismic, infrasound, hydroacoustic, and radionuclide signals and development of 'game-changer' advances in science and technology.

  14. Goals, Objectives, and Requirements (GOR) of the Ground-based Nuclear Detonation Detection (GNDD) Team for the Office of Defense Nuclear Nonproliferation Research and Development (DNN R&D)

    Energy Technology Data Exchange (ETDEWEB)

    Casey, Leslie A.

    2014-01-13

    The goal, objectives, and requirements (GOR) presented in this document define a framework for describing research directed specifically by the Ground-based Nuclear Detonation Detection (GNDD) Team of the National Nuclear Security Administration (NNSA). The intent of this document is to provide a communication tool for the GNDD Team with NNSA management and with its stakeholder community. It describes the GNDD expectation that much of the improvement in the proficiency of nuclear explosion monitoring will come from better understanding of the science behind the generation, propagation, recording, and interpretation of seismic, infrasound, hydroacoustic, and radionuclide signals and development of "game-changer" advances in science and technology.

  15. Avionics Simulation, Development and Software Engineering

    Science.gov (United States)

    2002-01-01

    During this reporting period, all technical responsibilities were accomplished as planned. A close working relationship was maintained with personnel of the MSFC Avionics Department Software Group (ED14), the MSFC EXPRESS Project Office (FD31), and the Huntsville Boeing Company. Accomplishments included: performing special tasks; supporting Software Review Board (SRB), Avionics Test Bed (ATB), and EXPRESS Software Control Panel (ESCP) activities; participating in technical meetings; and coordinating issues between the Boeing Company and the MSFC Project Office.

  16. Security Risk Assessment in Software Development Projects

    OpenAIRE

    Svendsen, Heidi

    2017-01-01

    Software security is increasing in importance, linearly with vulnerabilities caused by software flaws. It is not possible to spend all the project s resources on software security. To spend the resources given to security in an effective way, one should know what is most important to protect. By performing a risk analysis the project know which vulnerabilities they face. A risk analysis will prioritise the vulnerabilities, and when the vulnerabilities are prioritised the project know where th...

  17. Advanced software development workstation project: Engineering scripting language. Graphical editor

    Science.gov (United States)

    1992-01-01

    Software development is widely considered to be a bottleneck in the development of complex systems, both in terms of development and in terms of maintenance of deployed systems. Cost of software development and maintenance can also be very high. One approach to reducing costs and relieving this bottleneck is increasing the reuse of software designs and software components. A method for achieving such reuse is a software parts composition system. Such a system consists of a language for modeling software parts and their interfaces, a catalog of existing parts, an editor for combining parts, and a code generator that takes a specification and generates code for that application in the target language. The Advanced Software Development Workstation is intended to be an expert system shell designed to provide the capabilities of a software part composition system.

  18. EPRI's POWERCOACH trademark software development project

    International Nuclear Information System (INIS)

    Rost, S.; Leu, Kehshiou

    1993-01-01

    Today's complex bulk power market accounts for an estimated $35 billion in transactions a year, significantly more than a decade ago. With the increased levels of non-utility generation and changing strategies in the utility industry, it is anticipated that the trend toward rapid growth in the bulk power market will continue. This market has evolved from an ad hoc residual market to one that in some respects stands at par with the retail market in the plans of many utilities. The bulk power market is not based on the obligation to serve to the same extent as retail markets. Utility participation in this market is therefore purely voluntary. This freedom of action or inaction in the bulk power market actually renders corporate decision-making, investment related or operational, more complicated in many respects than in retail markets. Examples of the burgeoning uncertainties affecting the bulk power market include the rapid expansion of transactions undertaken through power pools, and the impact on utility planning and operations brought about by the abundance and price attractiveness of power available for flexible periods. These uncertainties present an ideal opportunity to employ state-of-the-art analytical models to facilitate the effective use of utility assets to foster the efficient functioning of the entire bulk power market. This paper will focus on the POWERCOACH methodology for short-term bulk power transaction analysis under conditions of uncertainty. In August 1992, UPMP began a seventeen month project to convert POWERCOACH from a methodology to a fully functional, commercial software package. UPMP is developing the POWERCOACH software with the extensive, direct involvement of thirty EPRI member utilities. A synopsis of POWERCOACH is presented

  19. Automating the management of software projects in a developing IT ...

    African Journals Online (AJOL)

    The resultant network-based software tool was developed on object-oriented technology using Java. The study established that good management practices may still be applied by the Nigerian software industry that lacks expertise in software management. Multi-site development approach facilitates large projects by using ...

  20. The Relevance of Software Development Education for Students

    Science.gov (United States)

    Liebenberg, Janet; Huisman, Magda; Mentz, Elsa

    2015-01-01

    Despite a widely-acknowledged shortage of software developers, and reports of a gap between industry needs and software education, the possible gap between students' needs and software development education has not been explored in detail. In their university education, students want to take courses and carry out projects that clearly relate to…

  1. Educational Affordances and Learning Design in Music Software Development

    Science.gov (United States)

    Cheng, Lee; Leong, Samuel

    2017-01-01

    Although music software has become increasingly affordable and widely adopted in today's classrooms, concerns have been raised about a lack of consideration for users' needs during the software development process. This paper examines intra- and inter-sectoral communication pertaining to software development and music education to shed light on…

  2. The development of digital oscilloscope control software in nuclear measurement

    International Nuclear Information System (INIS)

    Pu Minghui; Tian Geng; Li Xianyou

    2004-01-01

    This essay presents the development of an all-purpose digital oscilloscope control software on Windows 95/98 OS. The background and method are discussed in detail, together with the function and characteristics of the software. With the use of this software, a single PC can control several digital oscilloscopes. Solution of main problems encountered in the development is also discussed. (authors)

  3. Development of a Nevada Statewide Database for Safety Analyst Software

    Science.gov (United States)

    2017-02-02

    Safety Analyst is a software package developed by the Federal Highway Administration (FHWA) and twenty-seven participating state and local agencies including the Nevada Department of Transportation (NDOT). The software package implemented many of the...

  4. Development of E-learning Software Based Multiplatform Components

    OpenAIRE

    Salamah, Irma; Ganiardi, M. Aris

    2017-01-01

    E-learning software is a product of information and communication technology used to help dynamic and flexible learning process between teacher and student. The software technology was first used in the development of e-learning software in the form of web applications. The advantages of this technology because of the ease in the development, installation, and distribution of data. Along with advances in mobile/wireless electronics technology, e-learning software is adapted to this technology...

  5. Ground-based observations of exoplanet atmospheres

    NARCIS (Netherlands)

    Mooij, Ernst Johan Walter de

    2011-01-01

    This thesis focuses on the properties of exoplanet atmospheres. The results for ground-based near-infrared secondary eclipse observations of three different exoplanets, TrES-3b, HAT-P-1b and WASP-33b, are presented which have been obtained with ground-based telescopes as part of the GROUSE project.

  6. Methodology for economic evaluation of software development projects

    International Nuclear Information System (INIS)

    Witte, D.M.

    1990-01-01

    Many oil and gas exploration and production companies develop computer software in-house or with contract programmers to support their exploration activities. Software development projects compete for funding with exploration and development projects, though most companies lack valid comparison measures for the two types of projects. This paper presents a methodology of pro form a cash flow analysis for software development proposals intended for internal use. This methodology, based on estimates of development and support costs, exploration benefits, and probability of successful development and implementation, can be used to compare proposed software development projects directly with competing exploration proposals

  7. Integrating Usability Evaluations into the Software Development Process

    DEFF Research Database (Denmark)

    Lizano, Fulvio

    as relevant and strategic human–computer interaction (HCI) activities in the software development process, there are obstacles that limit the complete, effective and efficient integration of this kind of testing into the software development process. Two main obstacles are the cost of usability evaluations...... and the software developers' resistance to accepting users’ opinions regarding the lack of usability in their software systems. The ‘cost obstacle’ refers to the constraint of conducting usability evaluations in the software process due to the significant amount of resources required by this type of testing. Some......This thesis addresses the integration of usability evaluations into the software development process. The integration here is contextualized in terms of how to include usability evaluation as an activity in the software development lifecycle. Even though usability evaluations are considered...

  8. Foundations for Security Aware Software Development Education

    National Research Council Canada - National Science Library

    McDonald, Jeffrey T

    2005-01-01

    Software vulnerability is part and parcel of modern information systems. Even though eliminating all vulnerability is not possible, reducing exploitable code can be accomplished long term by laying the right programming foundations...

  9. Happy software developers solve problems better: psychological measurements in empirical software engineering.

    Science.gov (United States)

    Graziotin, Daniel; Wang, Xiaofeng; Abrahamsson, Pekka

    2014-01-01

    For more than thirty years, it has been claimed that a way to improve software developers' productivity and software quality is to focus on people and to provide incentives to make developers satisfied and happy. This claim has rarely been verified in software engineering research, which faces an additional challenge in comparison to more traditional engineering fields: software development is an intellectual activity and is dominated by often-neglected human factors (called human aspects in software engineering research). Among the many skills required for software development, developers must possess high analytical problem-solving skills and creativity for the software construction process. According to psychology research, affective states-emotions and moods-deeply influence the cognitive processing abilities and performance of workers, including creativity and analytical problem solving. Nonetheless, little research has investigated the correlation between the affective states, creativity, and analytical problem-solving performance of programmers. This article echoes the call to employ psychological measurements in software engineering research. We report a study with 42 participants to investigate the relationship between the affective states, creativity, and analytical problem-solving skills of software developers. The results offer support for the claim that happy developers are indeed better problem solvers in terms of their analytical abilities. The following contributions are made by this study: (1) providing a better understanding of the impact of affective states on the creativity and analytical problem-solving capacities of developers, (2) introducing and validating psychological measurements, theories, and concepts of affective states, creativity, and analytical-problem-solving skills in empirical software engineering, and (3) raising the need for studying the human factors of software engineering by employing a multidisciplinary viewpoint.

  10. Ground-based simulation of telepresence for materials science experiments. [remote viewing and control of processes aboard Space Station

    Science.gov (United States)

    Johnston, James C.; Rosenthal, Bruce N.; Bonner, Mary JO; Hahn, Richard C.; Herbach, Bruce

    1989-01-01

    A series of ground-based telepresence experiments have been performed to determine the minimum video frame rate and resolution required for the successive performance of materials science experiments in space. The approach used is to simulate transmission between earth and space station with transmission between laboratories on earth. The experiments include isothermal dendrite growth, physical vapor transport, and glass melting. Modifications of existing apparatus, software developed, and the establishment of an inhouse network are reviewed.

  11. Software Development Offshoring Competitiveness: A Case Study of ASEAN Countries

    Science.gov (United States)

    Bui, Minh Q.

    2011-01-01

    With the success of offshoring within the American software industry, corporate executives are moving their software developments overseas. The member countries of the Association of Southeast Asian Nations (ASEAN) have become a preferred destination. However, there is a lack of published studies on the region's software competitiveness in…

  12. Factors negatively influencing knowledge sharing in software development

    Directory of Open Access Journals (Sweden)

    Lucas T. Khoza

    2017-07-01

    Objective: This study seeks to identify factors that negatively influence knowledge sharing in software development in the developing country context. Method: Expert sampling as a subcategory of purposive sampling was employed to extract information, views and opinions from experts in the field of information and communication technology, more specifically from those who are involved in software development projects. Four Johannesburg-based software developing organisations listed on the Johannesburg Stock Exchange (JSE, South Africa, participated in this research study. Quantitative data were collected using an online questionnaire with closed-ended questions. Results: Findings of this research reveal that job security, motivation, time constraints, physiological factors, communication, resistance to change and rewards are core factors negatively influencing knowledge sharing in software developing organisations. Conclusions: Improved understanding of factors negatively influencing knowledge sharing is expected to assist software developing organisations in closing the gap for software development projects failing to meet the triple constraint of time, cost and scope.

  13. COSINE software development based on code generation technology

    International Nuclear Information System (INIS)

    Ren Hao; Mo Wentao; Liu Shuo; Zhao Guang

    2013-01-01

    The code generation technology can significantly improve the quality and productivity of software development and reduce software development risk. At present, the code generator is usually based on UML model-driven technology, which can not satisfy the development demand of nuclear power calculation software. The feature of scientific computing program was analyzed and the FORTRAN code generator (FCG) based on C# was developed in this paper. FCG can generate module variable definition FORTRAN code automatically according to input metadata. FCG also can generate memory allocation interface for dynamic variables as well as data access interface. FCG was applied to the core and system integrated engine for design and analysis (COSINE) software development. The result shows that FCG can greatly improve the development efficiency of nuclear power calculation software, and reduce the defect rate of software development. (authors)

  14. Development of Radio Frequency Antenna Radiation Simulation Software

    International Nuclear Information System (INIS)

    Mohamad Idris Taib; Rozaimah Abd Rahim; Noor Ezati Shuib; Wan Saffiey Wan Abdullah

    2014-01-01

    Antennas are widely used national wide for radio frequency propagation especially for communication system. Radio frequency is electromagnetic spectrum from 10 kHz to 300 GHz and non-ionizing. These radiation exposures to human being have radiation hazard risk. This software was under development using LabVIEW for radio frequency exposure calculation. For the first phase of this development, software purposely to calculate possible maximum exposure for quick base station assessment, using prediction methods. This software also can be used for educational purpose. Some results of this software are comparing with commercial IXUS and free ware NEC software. (author)

  15. Secure Software Configuration Management Processes for nuclear safety software development environment

    International Nuclear Information System (INIS)

    Chou, I.-Hsin

    2011-01-01

    Highlights: → The proposed method emphasizes platform-independent security processes. → A hybrid process based on the nuclear SCM and security regulations is proposed. → Detailed descriptions and Process Flow Diagram are useful for software developers. - Abstract: The main difference between nuclear and generic software is that the risk factor is infinitely greater in nuclear software - if there is a malfunction in the safety system, it can result in significant economic loss, physical damage or threat to human life. However, secure software development environment have often been ignored in the nuclear industry. In response to the terrorist attacks on September 11, 2001, the US Nuclear Regulatory Commission (USNRC) revised the Regulatory Guide (RG 1.152-2006) 'Criteria for use of computers in safety systems of nuclear power plants' to provide specific security guidance throughout the software development life cycle. Software Configuration Management (SCM) is an essential discipline in the software development environment. SCM involves identifying configuration items, controlling changes to those items, and maintaining integrity and traceability of them. For securing the nuclear safety software, this paper proposes a Secure SCM Processes (S 2 CMP) which infuses regulatory security requirements into proposed SCM processes. Furthermore, a Process Flow Diagram (PFD) is adopted to describe S 2 CMP, which is intended to enhance the communication between regulators and developers.

  16. Development of a spatial analysis method using ground-based repeat photography to detect changes in the alpine treeline ecotone, Glacier National Park, Montana, U.S.A.

    Science.gov (United States)

    Roush, W.; Munroe, Jeffrey S.; Fagre, D.B.

    2007-01-01

    Repeat photography is a powerful tool for detection of landscape change over decadal timescales. Here a novel method is presented that applies spatial analysis software to digital photo-pairs, allowing vegetation change to be categorized and quantified. This method is applied to 12 sites within the alpine treeline ecotone of Glacier National Park, Montana, and is used to examine vegetation changes over timescales ranging from 71 to 93 years. Tree cover at the treeline ecotone increased in 10 out of the 12 photo-pairs (mean increase of 60%). Establishment occurred at all sites, infilling occurred at 11 sites. To demonstrate the utility of this method, patterns of tree establishment at treeline are described and the possible causes of changes within the treeline ecotone are discussed. Local factors undoubtedly affect the magnitude and type of the observed changes, however the ubiquity of the increase in tree cover implies a common forcing mechanism. Mean minimum summer temperatures have increased by 1.5??C over the past century and, coupled with variations in the amount of early spring snow water equivalent, likely account for much of the increase in tree cover at the treeline ecotone. Lastly, shortcomings of this method are presented along with possible solutions and areas for future research. ?? 2007 Regents of the University of Colorado.

  17. arXiv HEP Software Foundation Community White Paper Working Group - Software Development, Deployment and Validation

    CERN Document Server

    Couturier, Benjamin; Grasland, Hadrien; Hegner, Benedikt; Jouvin, Michel; Kane, Meghan; Katz, Daniel S.; Kuhr, Thomas; Lange, David; Mendez Lorenzo, Patricia; Ritter, Martin; Stewart, Graeme Andrew; Valassi, Andrea

    The High Energy Phyiscs community has developed and needs to maintain many tens of millions of lines of code and to integrate effectively the work of thousands of developers across large collaborations. Software needs to be built, validated, and deployed across hundreds of sites. Software also has a lifetime of many years, frequently beyond that of the original developer, it must be developed with sustainability in mind. Adequate recognition of software development as a critical task in the HEP community needs to be fostered and an appropriate publication and citation strategy needs to be developed. As part of the HEP Softare Foundation's Community White Paper process a working group on Software Development, Deployment and Validation was formed to examine all of these issues, identify best practice and to formulare recommendations for the next decade. Its report is presented here.

  18. Development of thermohydraulic software for PWR reactors with natural circulation

    International Nuclear Information System (INIS)

    Chasseur, Alfredo F.; Rauschert, A.; Delmastro, Dario F.

    2009-01-01

    The basics concepts about the development of software for steady state analysis of a reactor with natural circulations, in the primary circuit, are exposed. The reactor type is pressurized light water. The equations, correlations and flux diagrams of the source code of the software developed are shown. The source code of the software was written in FORTRAN 77 making use of modular technique, this save development effort and release of news versions is simplified. (author)

  19. An Investigation of an Open-Source Software Development Environment in a Software Engineering Graduate Course

    Science.gov (United States)

    Ge, Xun; Huang, Kun; Dong, Yifei

    2010-01-01

    A semester-long ethnography study was carried out to investigate project-based learning in a graduate software engineering course through the implementation of an Open-Source Software Development (OSSD) learning environment, which featured authentic projects, learning community, cognitive apprenticeship, and technology affordances. The study…

  20. Exploring the Role of Social Software in Global Software Development Projects

    DEFF Research Database (Denmark)

    Giuffrida, Rosalba; Dittrich, Y.

    2011-01-01

    We present a PhD project that investigates the use of Social Software (SoSo) in Global Software Development (GSD) teams. Since SoSo in unstructured and informal in its own nature, we explore how informal communication, which is challenging in GSD, is supported by SoSo in distributed teams and how...

  1. The study of methodologies of software development for the next generation of HEP detector software

    International Nuclear Information System (INIS)

    Ding Yuzheng; Wang Taijie; Dai Guiliang

    1997-01-01

    The author discusses the characteristics of the next generation of HEP (High Energy Physics) detector software, and describes the basic strategy for the usage of object oriented methodologies, languages and tools in the development of the next generation of HEP detector software

  2. Development of software for handling ship's pharmacy.

    Science.gov (United States)

    Nittari, Giulio; Peretti, Alessandro; Sibilio, Fabio; Ioannidis, Nicholas; Amenta, Francesco

    2016-01-01

    Ships are required to carry a given amount of medicinal products and medications depending on the flag and the type of vessel. These medicines are stored in the so called ship's "medicine chest" or more properly - a ship pharmacy. Owing to the progress of medical sciences and to the increase in the mean age of seafarers employed on board ships, the number of pharmaceutical products and medical devices required by regulations to be carried on board ships is increasing. This may make handling of the ship's medicine chest a problem primarily on large ships sailing on intercontinental routes due to the difficulty in identifying the correspondence between medicines obtained abroad with those available at the national market. To minimise these problems a tool named Pharmacy Ship (acronym: PARSI) has been developed. The application PARSI is based on a database containing the information about medicines and medical devices required by different countries regulations. In the first application the system was standardised to comply with the Italian regulations issued on the 1st October, 2015 which entered into force on the 18 January 2016. Thanks to PARSI it was possible to standardize the inventory procedures, facilitate the work of maritime health authorities and make it easier for the crew, not professional in the field, to handle the 'medicine chest' correctly by automating the procedures for medicines management. As far as we know there are no other similar tools available at the moment. The application of the software, as well as the automation of different activities, currently carried out manually, will help manage (qualitatively and quantitatively) the ship's pharmacy. The system developed in this study has proved to be an effective tool which serves to guarantee the compliance of the ship pharmacy with regulations of the flag state in terms of medicinal products and medications. Sharing the system with the Telemedical Maritime Assistance Service may result in

  3. Overview of software development at the parabolic dish test site

    Science.gov (United States)

    Miyazono, C. K.

    1985-01-01

    The development history of the data acquisition and data analysis software is discussed. The software development occurred between 1978 and 1984 in support of solar energy module testing at the Jet Propulsion Laboratory's Parabolic Dish Test Site, located within Edwards Test Station. The development went through incremental stages, starting with a simple single-user BASIC set of programs, and progressing to the relative complex multi-user FORTRAN system that was used until the termination of the project. Additional software in support of testing is discussed including software in support of a meteorological subsystem and the Test Bed Concentrator Control Console interface. Conclusions and recommendations for further development are discussed.

  4. Agile development with software process mining

    NARCIS (Netherlands)

    Rubin, V.A.; Lomazova, I.A.; Aalst, van der W.M.P.

    2014-01-01

    Modern companies continue investing more and more in the creation, maintenance and change of software systems, but the proper specification and design of such systems continues to be a challenge. The majority of current approaches either ignore real user and system runtime behavior or consider it

  5. Understanding Green Software Development: A Conceptual Framework

    NARCIS (Netherlands)

    Ardito, Luca; Procaccianti, Giuseppe; Torchiano, Marco; Vetrò, Antonio

    2015-01-01

    The energy efficiency of IT has become one of the hottest topics in the last few years. The problem has been typically addressed by hardware manufacturers and designers, but recently the attention of industry and academia has shifted to the role of software for IT sustainability. Writing

  6. Environmental Control System Software & Hardware Development

    Science.gov (United States)

    Vargas, Daniel Eduardo

    2017-01-01

    ECS hardware: (1) Provides controlled purge to SLS Rocket and Orion spacecraft. (2) Provide mission-focused engineering products and services. ECS software: (1) NASA requires Compact Unique Identifiers (CUIs); fixed-length identifier used to identify information items. (2) CUI structure; composed of nine semantic fields that aid the user in recognizing its purpose.

  7. The benefits of SOLID in software development

    CERN Multimedia

    CERN. Geneva

    2015-01-01

    In the talk, the SOLID principles will be presented, every one of them will be explained and some examples will be given and I I will tell why should we use every one of them to improve the quality of our software as well its maintainability and extensibility.

  8. A designerly methodology for software development

    NARCIS (Netherlands)

    Du Bois, E.

    2013-01-01

    This PhD researches the domain of industrial design engineering starting from the strong technological evolutions and changing economic, social and ecological needs. Our current products are not only build from hardware components, but are a complex mix of hardware, software and services (in

  9. Development of Spectrometer Software for Electromagnetic Radiation Measurement and Analysis

    International Nuclear Information System (INIS)

    Mohd Idris Taib; Noor Ezati Shuib; Wan Saffiey Wan Abdullah

    2013-01-01

    This software was under development using LabVIEW to be using with StellarNet Spectrometer system. StellarNet Spectrometer was supplied with SpectraWiz operating software that can measure spectral data for real-time spectroscopy. This LabVIEW software was used to access real-time data from SpectraWiz dynamic link library as hardware interfacing. This software will acquire amplitude of every electromagnetic wavelength at periodic time. In addition to hardware interfacing, the user interface capabilities of software include plotting of spectral data in various mode including scope, absorbance, transmission and irradiance mode. This software surely can be used for research and development in application, utilization and safety of electromagnetic radiation, especially solar, laser and ultra violet. Of-line capabilities of this software are almost unlimited due to availability of mathematical and signal processing function in the LabVIEW add on library. (author)

  10. Development of a New VLBI Data Analysis Software

    Science.gov (United States)

    Bolotin, Sergei; Gipson, John M.; MacMillan, Daniel S.

    2010-01-01

    We present an overview of a new VLBI analysis software under development at NASA GSFC. The new software will replace CALC/SOLVE and many related utility programs. It will have the capabilities of the current system as well as incorporate new models and data analysis techniques. In this paper we give a conceptual overview of the new software. We formulate the main goals of the software. The software should be flexible and modular to implement models and estimation techniques that currently exist or will appear in future. On the other hand it should be reliable and possess production quality for processing standard VLBI sessions. Also, it needs to be capable of processing observations from a fully deployed network of VLBI2010 stations in a reasonable time. We describe the software development process and outline the software architecture.

  11. Using scenario based programming to develop embedded control software

    NARCIS (Netherlands)

    Bettiol, F.

    2015-01-01

    A new paradigm to develop embedded software is waking up the interest of companies. Its name is Scenario Based Programming and it claims to be a good approach to develop embedded software. Live Sequence Charts (LSC), a visual language supporting the paradigm, enables the developers to specify a

  12. Applying Quality Costs in a Software Development Environment

    Directory of Open Access Journals (Sweden)

    I.P. Hollingsworth

    1999-05-01

    Full Text Available This paper shows how Quality Costs can be a measure of software quality. The relationship between Quality Costs and other software quality metrics is briefly explained, and software development oriented versions of the two principal Quality Cost models are described. Finally the paper discusses the major issues involved in setting up a software Quality Cost programme. The concepts are based on previous research on Quality Costs in manufacturing, coupled with work on software metrics and the work currently being undertaken by the authors in a number of industries.

  13. Guidance and Control Software Project Data - Volume 2: Development Documents

    Science.gov (United States)

    Hayhurst, Kelly J. (Editor)

    2008-01-01

    The Guidance and Control Software (GCS) project was the last in a series of software reliability studies conducted at Langley Research Center between 1977 and 1994. The technical results of the GCS project were recorded after the experiment was completed. Some of the support documentation produced as part of the experiment, however, is serving an unexpected role far beyond its original project context. Some of the software used as part of the GCS project was developed to conform to the RTCA/DO-178B software standard, "Software Considerations in Airborne Systems and Equipment Certification," used in the civil aviation industry. That standard requires extensive documentation throughout the software development life cycle, including plans, software requirements, design and source code, verification cases and results, and configuration management and quality control data. The project documentation that includes this information is open for public scrutiny without the legal or safety implications associated with comparable data from an avionics manufacturer. This public availability has afforded an opportunity to use the GCS project documents for DO-178B training. This report provides a brief overview of the GCS project, describes the 4-volume set of documents and the role they are playing in training, and includes the development documents from the GCS project. Volume 2 contains three appendices: A. Guidance and Control Software Development Specification; B. Design Description for the Pluto Implementation of the Guidance and Control Software; and C. Source Code for the Pluto Implementation of the Guidance and Control Software

  14. Software Engineering Research/Developer Collaborations in 2005

    Science.gov (United States)

    Pressburger, Tom

    2006-01-01

    In CY 2005, three collaborations between software engineering technology providers and NASA software development personnel deployed three software engineering technologies on NASA development projects (a different technology on each project). The main purposes were to benefit the projects, infuse the technologies if beneficial into NASA, and give feedback to the technology providers to improve the technologies. Each collaboration project produced a final report. Section 2 of this report summarizes each project, drawing from the final reports and communications with the software developers and technology providers. Section 3 indicates paths to further infusion of the technologies into NASA practice. Section 4 summarizes some technology transfer lessons learned. Also included is an acronym list.

  15. Development of Flexible Software Process Lines with Variability Operations

    DEFF Research Database (Denmark)

    Schramm, Joachim; Dohrmann, Patrick; Kuhrmann, Marco

    2015-01-01

    families of processes and, as part of this, variability operations provide means to modify and reuse pre-defined process assets. Objective: Our goal is to evaluate the feasibility of variability operations to support the development of flexible software process lines. Method: We conducted a longitudinal......Context: Software processes evolve over time and several approaches were proposed to support the required flexibility. Yet, little is known whether these approaches sufficiently support the development of large software processes. A software process line helps to systematically develop and manage...

  16. Agile Software Development in the Department of Defense Environment

    Science.gov (United States)

    2017-03-31

    traditional project/program life cycle (i.e., waterfall ). In the traditional model , security requirements are not evaluated until development is...2015), which may better facilitate adoption of Agile software development in the DoD. Several models are provided for software-dominant and software...the DoD has historically used a traditional, waterfall approach for acquiring systems and services), and oversight requirements that are

  17. Agile Scientists? : Investigating Agile Practices in Scientific Software Development

    OpenAIRE

    Sletholt, Magnus Thorstein

    2011-01-01

    The topic of this master thesis is development of scientific software. The research questions put forth are oriented towards specific agile practices and whether these are present in the development processes of scientific software projects. Moreover, the effects of applying such agile practices, particularly pertaining to the handling of requirements and testing, in scientific software projects are addressed in the thesis. In order to answer the proposed research questions a table consisting...

  18. A Simulation Model for the Waterfall Software Development Life Cycle

    OpenAIRE

    Bassil, Youssef

    2012-01-01

    Software development life cycle or SDLC for short is a methodology for designing, building, and maintaining information and industrial systems. So far, there exist many SDLC models, one of which is the Waterfall model which comprises five phases to be completed sequentially in order to develop a software solution. However, SDLC of software systems has always encountered problems and limitations that resulted in significant budget overruns, late or suspended deliveries, and dissatisfied client...

  19. Development of Efficient Authoring Software for e-Learning Contents

    Science.gov (United States)

    Kozono, Kazutake; Teramoto, Akemi; Akiyama, Hidenori

    The contents creation in e-Learning system becomes an important problem. The contents of e-Learning should include figure and voice media for a high-level educational effect. However, the use of figure and voice complicates the operation of authoring software considerably. A new authoring software, which can build e-Learning contents efficiently, has been developed to solve this problem. This paper reports development results of the authoring software.

  20. Research and Development on Food Nutrition Statistical Analysis Software System

    OpenAIRE

    Du Li; Ke Yun

    2013-01-01

    Designing and developing a set of food nutrition component statistical analysis software can realize the automation of nutrition calculation, improve the nutrition processional professional’s working efficiency and achieve the informatization of the nutrition propaganda and education. In the software development process, the software engineering method and database technology are used to calculate the human daily nutritional intake and the intelligent system is used to evaluate the user’s hea...

  1. Usability challenges in an Ethiopian software development organization

    DEFF Research Database (Denmark)

    Teka, Degif; Dittrich, Yvonne; Kifle, Mesfin

    2016-01-01

    Usability and user centered design (UCD) are central to software development. In developing countries, the gap between IT development and the local use situation is larger than in western countries. However, usability is neither well addressed in software practice nor at the policy making level...... in Ethiopia. Software practitioners focus on functional requirements, meeting deadlines and budget. The software development industry in Ethiopia is in its early stage. The article aims at understanding usability practices in an Ethiopian software development company. Developers, system analysts, product...... configuration, their experience, cultural knowledge and common sense regarding the users' situation guided the design. Prototypes and fast delivery of working versions helped in getting user feedback even if early user focus proved to be a challenge as communication between developers and users suffered from...

  2. Software Estimation: Developing an Accurate, Reliable Method

    Science.gov (United States)

    2011-08-01

    based and size-based estimates is able to accurately plan, launch, and execute on schedule. Bob Sinclair, NAWCWD Chris Rickets , NAWCWD Brad Hodgins...Office by Carnegie Mellon University. SMPSP and SMTSP are service marks of Carnegie Mellon University. 1. Rickets , Chris A, “A TSP Software Maintenance...Life Cycle”, CrossTalk, March, 2005. 2. Koch, Alan S, “TSP Can Be the Building blocks for CMMI”, CrossTalk, March, 2005. 3. Hodgins, Brad, Rickets

  3. Simulation Modeling of Software Development Processes

    Science.gov (United States)

    Calavaro, G. F.; Basili, V. R.; Iazeolla, G.

    1996-01-01

    A simulation modeling approach is proposed for the prediction of software process productivity indices, such as cost and time-to-market, and the sensitivity analysis of such indices to changes in the organization parameters and user requirements. The approach uses a timed Petri Net and Object Oriented top-down model specification. Results demonstrate the model representativeness, and its usefulness in verifying process conformance to expectations, and in performing continuous process improvement and optimization.

  4. Development methodology for the software life cycle process of the safety software

    International Nuclear Information System (INIS)

    Kim, D. H.; Lee, S. S.; Cha, K. H.; Lee, C. S.; Kwon, K. C.; Han, H. B.

    2002-01-01

    A methodology for developing software life cycle processes (SLCP) is proposed to develop the digital safety-critical Engineered Safety Features - Component Control System (ESF-CCS) successfully. A software life cycle model is selected as the hybrid model mixed with waterfall, prototyping, and spiral models and is composed of two stages , development stages of prototype of ESF-CCS and ESF-CCS. To produce the software life cycle (SLC) for the Development of the Digital Reactor Safety System, the Activities referenced in IEEE Std. 1074-1997 are mapped onto the hybrid model. The SLCP is established after the available OPAs (Organizational Process Asset) are applied to the SLC Activities, and the known constraints are reconciled. The established SLCP describes well the software life cycle activities with which the Regulatory Authority provides

  5. Development methodology for the software life cycle process of the safety software

    Energy Technology Data Exchange (ETDEWEB)

    Kim, D. H.; Lee, S. S. [BNF Technology, Taejon (Korea, Republic of); Cha, K. H.; Lee, C. S.; Kwon, K. C.; Han, H. B. [KAERI, Taejon (Korea, Republic of)

    2002-05-01

    A methodology for developing software life cycle processes (SLCP) is proposed to develop the digital safety-critical Engineered Safety Features - Component Control System (ESF-CCS) successfully. A software life cycle model is selected as the hybrid model mixed with waterfall, prototyping, and spiral models and is composed of two stages , development stages of prototype of ESF-CCS and ESF-CCS. To produce the software life cycle (SLC) for the Development of the Digital Reactor Safety System, the Activities referenced in IEEE Std. 1074-1997 are mapped onto the hybrid model. The SLCP is established after the available OPAs (Organizational Process Asset) are applied to the SLC Activities, and the known constraints are reconciled. The established SLCP describes well the software life cycle activities with which the Regulatory Authority provides.

  6. Direct Integration: Training Software Developers to Conduct Usability Evaluations

    DEFF Research Database (Denmark)

    Skov, Mikael B.; Stage, Jan

    2008-01-01

    is based on an empirical study where 36 teams with a total of 234 first-year university students on software development and design educations were trained in a simple approach for user-based website usability testing that was taught in a 40 hour course. This approach supported them in planning, conducting......Many improvements of the interplay between usability evaluation and software development rely either on better methods for conducting usability evaluations or on better formats for presenting evaluation results in ways that are useful for software designers and developers. Both approaches involve...... a complete division of work between developers and evaluators, which is an undesirable complexity for many software development projects. This paper takes a different approach by exploring to what extent software developers and designers can be trained to carry out their own usability evaluations. The paper...

  7. Software certification: the history of formation and development

    International Nuclear Information System (INIS)

    Gordon, B.G.

    2016-01-01

    The author describes in detail the history of the creation, formation and development of the software certification system in Russia, determines the prospects and directions for developing the verification and certification of the software for the country's nuclear power industry [ru

  8. Training Software Developers and Designers to Conduct Usability Evaluations

    Science.gov (United States)

    Skov, Mikael Brasholt; Stage, Jan

    2012-01-01

    Many efforts to improve the interplay between usability evaluation and software development rely either on better methods for conducting usability evaluations or on better formats for presenting evaluation results in ways that are useful for software designers and developers. Both of these approaches depend on a complete division of work between…

  9. A Capstone Course on Agile Software Development Using Scrum

    Science.gov (United States)

    Mahnic, V.

    2012-01-01

    In this paper, an undergraduate capstone course in software engineering is described that not only exposes students to agile software development, but also makes it possible to observe the behavior of developers using Scrum for the first time. The course requires students to work as Scrum Teams, responsible for the implementation of a set of user…

  10. Component-based development of software language engineering tools

    NARCIS (Netherlands)

    Ssanyu, J.; Hemerik, C.

    2011-01-01

    In this paper we outline how Software Language Engineering (SLE) could benefit from Component-based Software Development (CBSD) techniques and present an architecture aimed at developing a coherent set of lightweight SLE components, fitting into a general-purpose component framework. In order to

  11. Bioconductor: open software development for computational biology and bioinformatics

    DEFF Research Database (Denmark)

    Gentleman, R.C.; Carey, V.J.; Bates, D.M.

    2004-01-01

    The Bioconductor project is an initiative for the collaborative creation of extensible software for computational biology and bioinformatics. The goals of the project include: fostering collaborative development and widespread use of innovative software, reducing barriers to entry into interdisci......The Bioconductor project is an initiative for the collaborative creation of extensible software for computational biology and bioinformatics. The goals of the project include: fostering collaborative development and widespread use of innovative software, reducing barriers to entry...... into interdisciplinary scientific research, and promoting the achievement of remote reproducibility of research results. We describe details of our aims and methods, identify current challenges, compare Bioconductor to other open bioinformatics projects, and provide working examples....

  12. An Ontology for a TripTych Formal Software Development

    DEFF Research Database (Denmark)

    Bjørner, Dines

    2003-01-01

    An ontology, ie., a formalised set of strongly interrelated definitions, is given for an approach to software development that spans domain engineering, requirements engineering and software design - and which is otherwise based on a judicious use of both informal and formal, mathematics-based te......An ontology, ie., a formalised set of strongly interrelated definitions, is given for an approach to software development that spans domain engineering, requirements engineering and software design - and which is otherwise based on a judicious use of both informal and formal, mathematics...

  13. Application of software engineering to development of reactor safety codes

    International Nuclear Information System (INIS)

    Wilburn, N.P.; Niccoli, L.G.

    1981-01-01

    Software Engineering, which is a systematic methodology by which a large scale software development project is partitioned into manageable pieces, has been applied to the development of LMFBR safety codes. The techniques have been applied extensively in the business and aerospace communities and have provided an answer to the drastically increasing cost of developing and maintaining software. The five phases of software engineering (Survey, Analysis, Design, Implementation, and Testing) were applied in turn to development of these codes, along with Walkthroughs (peer review) at each stage. The application of these techniques has resulted in SUPERIOR SOFTWARE which is well documented, thoroughly tested, easy to modify, easier to use and maintain. The development projects have resulted in lower overall cost. (orig.) [de

  14. Lean principles applied to software development – avoiding waste

    Directory of Open Access Journals (Sweden)

    Ionel NAFTANAILA

    2009-12-01

    Full Text Available Under the current economic conditions many organizations strive to continue the trend towards adopting better software development processes, in order to take advantage of the numerous benefits that these can offer. Those benefits include quicker return on investment, better software quality, and higher customer satisfaction. To date, however, there is little body of research that can guide organizations in adopting modern software development practices, especially when it comes to Lean thinking and principles. To address this situation, the current paper identifies and structures the main wastes (or muda in Lean terms in software development as described by Lean principles, in an attempt to bring into researchers’ and practitioners’ attention Lean Software Development, a modern development methodology based on well-established practices such as Lean Manufacturing or Toyota Production System.

  15. Being Geek The Software Developer's Career Handbook

    CERN Document Server

    Lopp, Michael

    2010-01-01

    As a software engineer, you recognize at some point that there's much more to your career than dealing with code. Is it time to become a manager? Tell your boss he's a jerk? Join that startup? Author Michael Lopp recalls his own make-or-break moments with Silicon Valley giants such as Apple, Netscape, and Symantec in Being Geek -- an insightful and entertaining book that will help you make better career decisions. With more than 40 standalone stories, Lopp walks through a complete job life cycle, starting with the job interview and ending with the realization that it might be time to find an

  16. Section 508 Electronic Information Accessibility Requirements for Software Development

    Science.gov (United States)

    Ellis, Rebecca

    2014-01-01

    Section 508 Subpart B 1194.21 outlines requirements for operating system and software development in order to create a product that is accessible to users with various disabilities. This portion of Section 508 contains a variety of standards to enable those using assistive technology and with visual, hearing, cognitive and motor difficulties to access all information provided in software. The focus on requirements was limited to the Microsoft Windows® operating system as it is the predominant operating system used at this center. Compliance with this portion of the requirements can be obtained by integrating the requirements into the software development cycle early and by remediating issues in legacy software if possible. There are certain circumstances with software that may arise necessitating an exemption from these requirements, such as design or engineering software using dynamically changing graphics or numbers to convey information. These exceptions can be discussed with the Section 508 Coordinator and another method of accommodation used.

  17. Modeling ground-based timber harvesting systems using computer simulation

    Science.gov (United States)

    Jingxin Wang; Chris B. LeDoux

    2001-01-01

    Modeling ground-based timber harvesting systems with an object-oriented methodology was investigated. Object-oriented modeling and design promote a better understanding of requirements, cleaner designs, and better maintainability of the harvesting simulation system. The model developed simulates chainsaw felling, drive-to-tree feller-buncher, swing-to-tree single-grip...

  18. The COROT ground-based archive and access system

    Science.gov (United States)

    Solano, E.; González-Riestra, R.; Catala, C.; Baglin, A.

    2002-01-01

    A prototype of the COROT ground-based archive and access system is presented here. The system has been developed at LAEFF and it is based on the experience gained at Laboratorio de Astrofisica Espacial y Fisica Fundamental (LAEFF) with the INES (IUE Newly Extracted System) Archive.

  19. Software development with C++ maximizing reuse with object technology

    CERN Document Server

    Nielsen, Kjell

    2014-01-01

    Software Development with C++: Maximizing Reuse with Object Technology is about software development and object-oriented technology (OT), with applications implemented in C++. The basis for any software development project of complex systems is the process, rather than an individual method, which simply supports the overall process. This book is not intended as a general, all-encompassing treatise on OT. The intent is to provide practical information that is directly applicable to a development project. Explicit guidelines are offered for the infusion of OT into the various development phases.

  20. Architecture independent environment for developing engineering software on MIMD computers

    Science.gov (United States)

    Valimohamed, Karim A.; Lopez, L. A.

    1990-01-01

    Engineers are constantly faced with solving problems of increasing complexity and detail. Multiple Instruction stream Multiple Data stream (MIMD) computers have been developed to overcome the performance limitations of serial computers. The hardware architectures of MIMD computers vary considerably and are much more sophisticated than serial computers. Developing large scale software for a variety of MIMD computers is difficult and expensive. There is a need to provide tools that facilitate programming these machines. First, the issues that must be considered to develop those tools are examined. The two main areas of concern were architecture independence and data management. Architecture independent software facilitates software portability and improves the longevity and utility of the software product. It provides some form of insurance for the investment of time and effort that goes into developing the software. The management of data is a crucial aspect of solving large engineering problems. It must be considered in light of the new hardware organizations that are available. Second, the functional design and implementation of a software environment that facilitates developing architecture independent software for large engineering applications are described. The topics of discussion include: a description of the model that supports the development of architecture independent software; identifying and exploiting concurrency within the application program; data coherence; engineering data base and memory management.

  1. Epistemic Communities, Situated Learning and Open Source Software Development

    DEFF Research Database (Denmark)

    Edwards, Kasper

    2001-01-01

    This paper analyses open source software (OSS) development as an epistemic community where each individual project is perceived as a single epistemic community. OSS development is a learning process where the involved parties contribute to, and learn from the community. It is discovered that theory...... of epistemic communities does indeed contribute to the understanding of open source software development. But, the important learning process of open source software development is not readily explained. The paper then introduces situated learning and legitimate peripheral participation as theoretical...

  2. Improving the Software Development Process Using Testability Research

    Science.gov (United States)

    Voas, Jeffrey M.; Miller, Keith W.

    1991-01-01

    Software testability is the the tendency of code to reveal existing faults during random testing. This paper proposes to take software testability predictions into account throughout the development process. These predictions can be made from formal specifications, design documents, and the code itself. The insight provided by software testability is valuable during design, coding, testing, and quality assurance. We further believe that software testability analysis can play a crucial role in quantifying the likelihood that faults are not hiding after testing does not result in any failures for the current version.

  3. Empirical Studies of Agile Software Development to Learn Programming Skills

    Directory of Open Access Journals (Sweden)

    Yasuyo Kofune

    2014-06-01

    Full Text Available This paper presents a programming education support method based on Agile Development that encourages and builds on communication between students. Through mutual discussion, students using our approach transform their ideas into software and cooperate to write a program. The students complete the software through repetition and programming. Before completing the software program, the students learn to solve problems by working together. The students are encouraged to think and share ideas, and gain experience writing software. With this approach, students not only learn how to write programs, but also increase their logical thinking, problem-solving, and communication skills.

  4. A Padawan Programmer's Guide to Developing Software Libraries

    DEFF Research Database (Denmark)

    Yurkovich, James T.; Yurkovich, Benjamin J.; Dräger, Andreas

    2017-01-01

    /Shiny, that make it easier to develop scientific software and by open-source licenses that make it easier to release software. But how do you build a software library that people will use? And what characteristics do the best libraries have that make them enduringly popular? Here, we provide a reference guide......With the rapid adoption of computational tools in the life sciences, scientists are taking on the challenge of developing their own software libraries and releasing them for public use. This trend is being accelerated by popular technologies and platforms, such as GitHub, Jupyter, R......, based on our own experiences, for developing software libraries along with real-world examples to help provide context for scientists who are learning about these concepts for the first time. While we can only scratch the surface of these topics, we hope that this article will act as a guide...

  5. Software Development Methods and Tools: a New Zealand study

    Directory of Open Access Journals (Sweden)

    Chris Phillips

    2005-05-01

    Full Text Available This study is a more detailed follow-up to a preliminary investigation of the practices of software engineers in New Zealand. The focus of this study is on the methods and tools used by software developers in their current organisation. The project involved detailed questionnaires being piloted and sent out to several hundred software developers. A central part of the research involved the identification of factors affecting the use and take-up of existing software development tools in the workplace. The full spectrum of tools from fully integrated I-CASE tools to individual software applications, such as drawing tools was investigated. This paper describes the project and presents the findings.

  6. Effective Development and Verification of Railway Control Software

    DEFF Research Database (Denmark)

    Haxthausen, Anne Elisabeth

    2011-01-01

    This document presents a method for effective development of software for a product line of similar railway control systems. The software is constructed in three steps: first a specifications in a domain-specific language is created, then a formal behavioural controller model is automatically...

  7. Benefits of reverse engineering technologies in software development makerspace

    Directory of Open Access Journals (Sweden)

    Aabidi M.H.

    2017-01-01

    Full Text Available In the recent decades, the amount of data produced by scientific, engineering, and life science applications has increased with several orders of magnitude. In parallel with this development, the applications themselves have become increasingly complex in terms of functionality, structure, and behavior. In the same time, development and production cycles of such applications exhibit a tendency of becoming increasingly shorter, due to factors such as market pressure and rapid evolution of supporting and enabling technologies. As a consequence, an increasing fraction of the cost of creating new applications and manufacturing processes shifts from the creation of new artifacts to the adaption of existing ones. A key component of this activity is the understanding of the design, operation, and behavior of existing manufactured artifacts, such as software code bases, hardware systems, and mechanical assemblies. For instance, in the software industry, it is estimated that maintenance costs exceed 80% of the total costs of a software product's lifecycle, and software understanding accounts for as much as half of these maintenance costs. To facilitate the software development process, it would be ideal to have tools that automatically generate or help to generate UML (Unified Modeling Language models from source code. Reverse engineering the software architecture from source code provides a valuable service to software practitioners. Case tools implementing MDA and reverse-engineering constitute an important opportunity of software development engineers. So MDA and reverse engineering is an important key witch make makerspace more productive and more efficient.

  8. Object Oriented Software Development Using A Use-Cases Approach

    African Journals Online (AJOL)

    Object Oriented Software Development Using A Use-Cases Approach. ... to the analysis and design of an online banking system using the Use-Cases method of Jacobson. ... thus bringing the benefits of object orientation into important software projects. Journal of Applied Sciences and Environmental Management Vol.

  9. User Studies: Developing Learning Strategy Tool Software for Children.

    Science.gov (United States)

    Fitzgerald, Gail E.; Koury, Kevin A.; Peng, Hsinyi

    This paper is a report of user studies for developing learning strategy tool software for children. The prototype software demonstrated is designed for children with learning and behavioral disabilities. The tools consist of easy-to-use templates for creating organizational, memory, and learning approach guides for use in classrooms and at home.…

  10. Frameworks for user - developer interactions in a software ...

    African Journals Online (AJOL)

    The dependence of today's society on Information and Communications technology has necessitated the need for software project managers to strive for continuous process improvement. A major challenge faced by most software project managers especially in developing countries however centers on effective ...

  11. A Study On Traditional And Evolutionary Software Development Models

    Directory of Open Access Journals (Sweden)

    Kamran Rasheed

    2017-07-01

    Full Text Available Today Computing technologies are becoming the pioneers of the organizations and helpful in individual functionality i.e. added to computing device we need to add softwares. Set of instruction or computer program is known as software. The development of software is done through some traditional or some new or evolutionary models. Software development is becoming a key and a successful business nowadays. Without software all hardware is useless. Some collective steps that are performed in the development of these are known as Software development life cycle SDLC. There are some adaptive and predictive models for developing software. Predictive mean already known like WATERFALL Spiral Prototype and V-shaped models while Adaptive model include agile Scrum. All methodologies of both adaptive and predictive have their own procedure and steps. Predictive are Static and Adaptive are dynamic mean change cannot be made to the predictive while adaptive have the capability of changing. The purpose of this study is to get familiar with all these and discuss their uses and steps of development. This discussion will be helpful in deciding which model they should use in which circumstance and what are the development step including in each model.

  12. Evolutionary Software Development (Developpement evolutionnaire de logiciels)

    Science.gov (United States)

    2008-08-01

    development processes. While this may be true, frequently it is not. MIL-STD-498 was explicitly introduced to encourage iterative development; ISO /IEC... 12207 was carefully worded not to prohibit iterative development. Yet both standards were widely interpreted as requiring waterfall development, as

  13. Development of design and analysis software for advanced nuclear system

    International Nuclear Information System (INIS)

    Wu Yican; Hu Liqin; Long Pengcheng; Luo Yuetong; Li Yazhou; Zeng Qin; Lu Lei; Zhang Junjun; Zou Jun; Xu Dezheng; Bai Yunqing; Zhou Tao; Chen Hongli; Peng Lei; Song Yong; Huang Qunying

    2010-01-01

    A series of professional codes, which are necessary software tools and data libraries for advanced nuclear system design and analysis, were developed by the FDS Team, including the codes of automatic modeling, physics and engineering calculation, virtual simulation and visualization, system engineering and safety analysis and the related database management etc. The development of these software series was proposed as an exercise of development of nuclear informatics. This paper introduced the main functions and key techniques of the software series, as well as some tests and practical applications. (authors)

  14. Development of Agile Practices in Romanian Software Community

    Directory of Open Access Journals (Sweden)

    Eduard BUDACU

    2017-01-01

    Full Text Available Agile Software Development (ASD promotes flexibility to change and emphasis the importance of individuals and interactions in producing software. The study presents the development of agile practices in Romanian software community. A literature review is conducted and the main agile methods are described. The characteristics of Romanian ICT sector is presented in relation with agile methodology. Practices are identified by a survey and an analysis on the groups of interests formed on Meetup website is performed. Future directions and development of agile practices is evaluated.

  15. Applying CASE Tools for On-Board Software Development

    Science.gov (United States)

    Brammer, U.; Hönle, A.

    For many space projects the software development is facing great pressure with respect to quality, costs and schedule. One way to cope with these challenges is the application of CASE tools for automatic generation of code and documentation. This paper describes two CASE tools: Rhapsody (I-Logix) featuring UML and ISG (BSSE) that provides modeling of finite state machines. Both tools have been used at Kayser-Threde in different space projects for the development of on-board software. The tools are discussed with regard to the full software development cycle.

  16. Pragmatic quality metrics for evolutionary software development models

    Science.gov (United States)

    Royce, Walker

    1990-01-01

    Due to the large number of product, project, and people parameters which impact large custom software development efforts, measurement of software product quality is a complex undertaking. Furthermore, the absolute perspective from which quality is measured (customer satisfaction) is intangible. While we probably can't say what the absolute quality of a software product is, we can determine the relative quality, the adequacy of this quality with respect to pragmatic considerations, and identify good and bad trends during development. While no two software engineers will ever agree on an optimum definition of software quality, they will agree that the most important perspective of software quality is its ease of change. We can call this flexibility, adaptability, or some other vague term, but the critical characteristic of software is that it is soft. The easier the product is to modify, the easier it is to achieve any other software quality perspective. This paper presents objective quality metrics derived from consistent lifecycle perspectives of rework which, when used in concert with an evolutionary development approach, can provide useful insight to produce better quality per unit cost/schedule or to achieve adequate quality more efficiently. The usefulness of these metrics is evaluated by applying them to a large, real world, Ada project.

  17. Supporting Usability Engineering in Small Software Development Organizations

    DEFF Research Database (Denmark)

    Bornoe, Nis; Stage, Jan

    2013-01-01

    Despite an interest and use of different usability engineering methods small software development organizations find it challenging to implement usability engineering into the software development process. We present the results from a study about usability engineering in practice. Through a series...... of semistructured interviews we want to get an understanding of how usability is implemented into the organizations and how it’s practiced in reality. We found that the developers found it problematic to combine agile software development methods with classic usability engineering methods. A lack of solid usability...... engineering expertise and not least experience seems to be a main obstacle for a successful implementation of usability engineering into current software development practices. They are requesting methods and procedures that fit better with their current practices and strategies to implement usability...

  18. SMART-P MMIS Software Development by Considering the Software License for Nuclear Power Plants and the Development Cost

    International Nuclear Information System (INIS)

    Suh, Yong Suk; Park, Jae Hong; Park, Heui Youn; Son, Ki Sung; Lee, Ki Hyun; Kim, Hyeon Soo

    2005-01-01

    The acceptance criteria of software for safety system functions in NPPs (Nuclear Power Plants) are as follows: 1) acceptable plans should be prepared to control the software development activities, 2) the plans should be followed in an acceptable software life cycle, and 3) the process should produce acceptable design outputs. The KINS (Korea Institute of Nuclear Safety) recommended that the software life cycle should be established based on the IEEE Std 1074 with a supplementary requirement of a software safety analysis. The KINS emphasized that the software should be developed to show its high qualities. This paper identifies the major requirements to achieve the software license from the KINS and presents the major facts reflected in the SMART-P (System-integrated Modular Advanced ReacTor-Pilot) MMIS (Man-Machine Interface Systems) which is being developed by KAERI and targeted to start operation in 2010. This paper also addresses major concerns on the development of a safety critical software and the facts reflected in the SMART-P MMIS

  19. Workshop on Software Development Tools for Petascale Computing

    Energy Technology Data Exchange (ETDEWEB)

    Vetter, Jeffrey [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Georgia Inst. of Technology, Atlanta, GA (United States)

    2007-08-01

    Petascale computing systems will soon be available to the DOE science community. Recent studies in the productivity of HPC platforms point to better software environments as a key enabler to science on these systems. To prepare for the deployment and productive use of these petascale platforms, the DOE science and general HPC community must have the software development tools, such as performance analyzers and debuggers that meet application requirements for scalability, functionality, reliability, and ease of use. In this report, we identify and prioritize the research opportunities in the area of software development tools for high performance computing. To facilitate this effort, DOE hosted a group of 55 leading international experts in this area at the Software Development Tools for PetaScale Computing (SDTPC) Workshop, which was held in Washington, D.C. on August 1 and 2, 2007. Software development tools serve as an important interface between the application teams and the target HPC architectures. Broadly speaking, these roles can be decomposed into three categories: performance tools, correctness tools, and development environments. Accordingly, this SDTPC report has four technical thrusts: performance tools, correctness tools, development environment infrastructures, and scalable tool infrastructures. The last thrust primarily targets tool developers per se, rather than end users. Finally, this report identifies non-technical strategic challenges that impact most tool development. The organizing committee emphasizes that many critical areas are outside the scope of this charter; these important areas include system software, compilers, and I/O.

  20. Outsourcing the development of specific application software using the ESA software engineering standards the SPS software Interlock System

    CERN Document Server

    Denis, B

    1995-01-01

    CERN is considering outsourcing as a solution to the reduction of staff. To need to re-engineer the SPS Software Interlock System provided an opportunity to explore the applicability of outsourcing to our specific controls environment and the ESA PSS-05 standards were selected for the requirements specification, the development, the control and monitoring and the project management. The software produced by the contractor is now fully operational. After outlining the scope and the complexity of the project, a discussion on the ESA PSS-05 will be presented: the choice, the way these standards improve the outsourcing process, the quality induced but also the need to adapt them and their limitation in the definition of the customer-supplier relationship. The success factors and the difficulties of development under contract will also be discussed. The maintenance aspect and the impact on in-house developments will finally be addressed.

  1. Calibration of Ground -based Lidar instrument

    DEFF Research Database (Denmark)

    Villanueva, Héctor; Yordanova, Ginka

    This report presents the result of the lidar calibration performed for the given Ground-based Lidar at DTU’s test site for large wind turbines at Høvsøre, Denmark. Calibration is here understood as the establishment of a relation between the reference wind speed measurements with measurement...

  2. The Fox Project: Advanced Development of Systems Software

    National Research Council Canada - National Science Library

    1999-01-01

    The long-term objectives of the Carnegie Mellon Fox Project are to improve the design and construction of systems software and to further the development of advanced programming language technology...

  3. The Fox Project: Advanced Development of Systems Software

    National Research Council Canada - National Science Library

    2000-01-01

    The long-term objectives of the Carnegie Mellon Fox Project are to improve the design and construction of systems software and to further the development of advanced programming language technology...

  4. Automating the management of software projects in a developing it ...

    African Journals Online (AJOL)

    Software project management is the control of the transformation of users' ... Model from The American Systems Corporation (ASC) was used for risk management. ... Multi-site development approach facilitates large projects by using simple ...

  5. Persona Usage in Software Development: Advantages and Obstacles

    DEFF Research Database (Denmark)

    Billestrup, Jane; Stage, Jan; Nielsen, Lene

    2014-01-01

    The Personas technique has been promoted as a strong tool for providing software developers with a better understanding of the prospective users of their software. This paper reports from a questionnaire survey regarding knowledge about Personas and their usage in software development companies....... The questionnaire survey was conducted in a limited geographical area to establish the extent of Personas usage within all companies in the chosen region and determine whether software development companies used Personas during the development process. Several issues were identified as reasons for either not using...... the technique or for poor application of it. The study showed that 55% of the respondents had never heard about Personas. Among those who had heard about the Personas technique, the following obstacles towards usage of the technique were identified: Lack of knowledge of the technique, lack of resources (time...

  6. Barriers to Learning in Agile Software Development Projects

    DEFF Research Database (Denmark)

    Babb, Jeffry S.; Hoda, Rashina; Nørbjerg, Jacob

    2013-01-01

    The adoption of agile methods promises many advantages for individual, team, and organizational learning. However, environmental, structural, and organizational/cultural constraints often find teams adapting agile software development methods rather than engaging in full adoption. We present resu...

  7. Softwareland Chronicles: A Software Development Meta-Process Proposal

    Directory of Open Access Journals (Sweden)

    Bolanos Sandro

    2016-05-01

    Full Text Available This paper presents the software development meta-process (SD-MP as a proposal to set up software projects. Within this proposal we offer conceptual elements that help solve the war of methodologies and processes in favor of an integrating viewpoint, where the main flaws associated with conventional and agile approaches are removed. Our newly developed software platform to support the meta-process is also presented together with three case studies involving projects currently in progress, where the framework proposed in SD-MP has been applied.

  8. Development of a visualized software for tokamak experiment data processing

    International Nuclear Information System (INIS)

    Cao Jianyong; Ding Xuantong; Luo Cuiwen

    2004-01-01

    With the VBA programming in Microsoft Excel, the authors have developed a post-processing software of experimental data in tokamak. The standard formal data in the HL-1M and HL-2A tokamaks can be read, displayed in Excel, and transmitted directly into the MATLAB workspace, for displaying pictures in MATLAB with the software. The authors have also developed data post-processing software in MATLAB environment, which can read standard format data, display picture, supply visual graphical user interface and provide part of advanced signal processing ability

  9. Software Components for Serious Game Development

    NARCIS (Netherlands)

    Westera, Wim; Van der Vegt, Wim; Bahreini, Kiavash; Dascalu, Mihai; Van Lankveld, Giel

    2016-01-01

    The large upfront investments required for game development pose a severe barrier for the wider uptake of serious games in education and training. Also, there is a lack of well-established methods and tools that support game developers at preserving and enhancing the games’ pedagogical

  10. Approximator: Predicting Interruptibility in Software Development with Commodity Computers

    DEFF Research Database (Denmark)

    Tell, Paolo; Jalaliniya, Shahram; Andersen, Kristian S. M.

    2015-01-01

    Assessing the presence and availability of a remote colleague is key in coordination in global software development but is not easily done using existing computer-mediated channels. Previous research has shown that automated estimation of interruptibility is feasible and can achieve a precision....... These early but promising results represent a starting point for designing tools with support for interruptibility capable of improving distributed awareness and cooperation to be used in global software development....

  11. Human Factors in Software Development Processes: Measuring System Quality

    DEFF Research Database (Denmark)

    Abrahão, Silvia; Baldassarre, Maria Teresa; Caivano, Danilo

    2016-01-01

    Software Engineering and Human-Computer Interaction look at the development process from different perspectives. They apparently use very different approaches, are inspired by different principles and address different needs. But, they definitively have the same goal: develop high quality software...... in the most effective way. The second edition of the workshop puts particular attention on efforts of the two communities in enhancing system quality. The research question discussed is: who, what, where, when, why, and how should we evaluate?...

  12. SimulaQron - A simulator for developing quantum internet software

    OpenAIRE

    Dahlberg, Axel; Wehner, Stephanie

    2017-01-01

    We introduce a simulator for a quantum internet with the specific goal to support software development. A quantum internet consists of local quantum processors, which are interconnected by quantum communication channels that enable the transmission of qubits between the different processors. While many simulators exist for local quantum processors, there is presently no simulator for a quantum internet tailored towards software development. Quantum internet protocols require both classical as...

  13. What happens when software developers are (un)happy

    OpenAIRE

    Graziotin, Daniel; Fagerholm, Fabian; Wang, Xiaofeng; Abrahamsson, Pekka

    2017-01-01

    The growing literature on affect among software developers mostly reports on the linkage between happiness, software quality, and developer productivity. Understanding happiness and unhappiness in all its components -- positive and negative emotions and moods -- is an attractive and important endeavor. Scholars in industrial and organizational psychology have suggested that understanding happiness and unhappiness could lead to cost-effective ways of enhancing working conditions, job performan...

  14. An Investigation of Team Effectiveness in Agile Software Development

    OpenAIRE

    Haraldsen, Lars Martin Riiser

    2012-01-01

    Abstract Agile teamwork has been widely used and accepted in today's industry of software development. The methods in agile teamwork claim to improve performance and predictability, and has during the past years become the target for an emerging area of research. The majority of the existing studies concerning agile teamwork mainly focus around eXtreme Programming (XP). Abstract This report is one of few that discuss teamwork in software development having the agile methodology Scrum in the...

  15. On the Current Measurement Practices in Agile Software Development

    OpenAIRE

    Javdani, Taghi; Zulzalil, Hazura; Ghani, Abdul Azim Abd; Sultan, Abu Bakar Md; Parizi, Reza Meimandi

    2013-01-01

    Agile software development (ASD) methods were introduced as a reaction to traditional software development methods. Principles of these methods are different from traditional methods and so there are some different processes and activities in agile methods comparing to traditional methods. Thus ASD methods require different measurement practices comparing to traditional methods. Agile teams often do their projects in the simplest and most effective way so, measurement practices in agile metho...

  16. Object oriented software development in the atlas collaboration

    International Nuclear Information System (INIS)

    Schaffer, A.

    1994-01-01

    For more than a year a group within the Atlas Collaboration has been investigating the possibilities of the application of object oriented methodology and program development to the software of Atlas. Recently this group has been joined by members of the CMS Collaboration in the submission of a proposal to the DRDC at CERN to find a common solution for the software development environment for LHC. This talk will discuss the progress achieved so far and the future perspective

  17. Teaching Software Developers to Perform UX Tasks

    DEFF Research Database (Denmark)

    Øvad, Tina; Bornoe, Nis; Larsen, Lars Bo

    2015-01-01

    . This is done via an action research study where the developers were provided with material concerning a modified AB usability test, by training them in performing this type of work, and by using their feedback to improve the method and the material. The overall result of the study is positive and it is found...... that by using the developers' feedback in the modification process, the method has truly become applicable within an agile, industrial setting. In combination with a guideline and template this has induced the developers to feel confident in independently performing this type of work....

  18. [The development and evaluation of software to verify diagnostic accuracy].

    Science.gov (United States)

    Jensen, Rodrigo; de Moraes Lopes, Maria Helena Baena; Silveira, Paulo Sérgio Panse; Ortega, Neli Regina Siqueira

    2012-02-01

    This article describes the development and evaluation of software that verifies the accuracy of diagnoses made by nursing students. The software was based on a model that uses fuzzy logic concepts, including PERL, the MySQL database for Internet accessibility, and the NANDA-I 2007-2008 classification system. The software was evaluated in terms of its technical quality and usability through specific instruments. The activity proposed in the software involves four stages in which students establish the relationship values between nursing diagnoses, defining characteristics/risk factors and clinical cases. The relationship values determined by students are compared to those of specialists, generating performance scores for the students. In the evaluation, the software demonstrated satisfactory outcomes regarding the technical quality and, according to the students, helped in their learning and may become an educational tool to teach the process of nursing diagnosis.

  19. Software development for a switch-based data acquisition system

    Energy Technology Data Exchange (ETDEWEB)

    Booth, A. (Superconducting Super Collider Lab., Dallas, TX (United States)); Black, D.; Walsh, D. (Fermi National Accelerator Lab., Batavia, IL (United States))

    1991-12-01

    We report on the software aspects of the development of a switch-based data acquisition system at Fermilab. This paper describes how, with the goal of providing an integrated systems engineering'' environment, several powerful software tools were put in place to facilitate extensive exploration of all aspects of the design. These tools include a simulation package, graphics package and an Expert System shell which have been integrated to provide an environment which encourages the close interaction of hardware and software engineers. This paper includes a description of the simulation, user interface, embedded software, remote procedure calls, and diagnostic software which together have enabled us to provide real-time control and monitoring of a working prototype switch-based data acquisition (DAQ) system.

  20. Development and application of new quality model for software projects.

    Science.gov (United States)

    Karnavel, K; Dillibabu, R

    2014-01-01

    The IT industry tries to employ a number of models to identify the defects in the construction of software projects. In this paper, we present COQUALMO and its limitations and aim to increase the quality without increasing the cost and time. The computation time, cost, and effort to predict the residual defects are very high; this was overcome by developing an appropriate new quality model named the software testing defect corrective model (STDCM). The STDCM was used to estimate the number of remaining residual defects in the software product; a few assumptions and the detailed steps of the STDCM are highlighted. The application of the STDCM is explored in software projects. The implementation of the model is validated using statistical inference, which shows there is a significant improvement in the quality of the software projects.

  1. Embedding Quality Function Deployment In Software Development ...

    African Journals Online (AJOL)

    2013-03-01

    Mar 1, 2013 ... This paper focuses on how customers' voice can be heard in order to reduce development and manufacturing costs ..... engineer and customer meet and define the .... Figure 4 Customer's Satisfaction Requirement. Quality ...

  2. Digital guide to developing international software

    CERN Document Server

    Grou

    1991-01-01

    Already in use by hundreds of independent vendors and developers, here at your fingertips are the groundbreaking packaging and design guidelines that Digital recommends and uses for products headed overseas.

  3. Software project management tools in global software development: a systematic mapping study.

    Science.gov (United States)

    Chadli, Saad Yasser; Idri, Ali; Ros, Joaquín Nicolás; Fernández-Alemán, José Luis; de Gea, Juan M Carrillo; Toval, Ambrosio

    2016-01-01

    Global software development (GSD) which is a growing trend in the software industry is characterized by a highly distributed environment. Performing software project management (SPM) in such conditions implies the need to overcome new limitations resulting from cultural, temporal and geographic separation. The aim of this research is to discover and classify the various tools mentioned in literature that provide GSD project managers with support and to identify in what way they support group interaction. A systematic mapping study has been performed by means of automatic searches in five sources. We have then synthesized the data extracted and presented the results of this study. A total of 102 tools were identified as being used in SPM activities in GSD. We have classified these tools, according to the software life cycle process on which they focus and how they support the 3C collaboration model (communication, coordination and cooperation). The majority of the tools found are standalone tools (77%). A small number of platforms (8%) also offer a set of interacting tools that cover the software development lifecycle. Results also indicate that SPM areas in GSD are not adequately supported by corresponding tools and deserve more attention from tool builders.

  4. Boundary Spanning in Global Software Development

    DEFF Research Database (Denmark)

    Søderberg, Anne-Marie; Romani, Laurence

    imbalances of power, exacerbated in the case of an Indian vendor and a European client, need to be taken into account. The paper thus contributes with a more context sensitive understanding of inter-organizational boundary work. Taking the vendor perspective also leads to problematization of common...... of Indian IT vendor managers who are responsible for developing client relations and coordinating complex global development projects. The authors revise a framework of boundary spanning leadership practices to adapt it to an offshore outsourcing context. The empirical investigation highlights how...

  5. Lean Architecture for Agile Software Development

    CERN Document Server

    Coplien, James O

    2010-01-01

    More and more Agile projects are seeking architectural roots as they struggle with complexity and scale - and they're seeking lightweight ways to do it: Still seeking? In this book the authors help you to find your own path; Taking cues from Lean development, they can help steer your project toward practices with longstanding track records; Up-front architecture? Sure. You can deliver an architecture as code that compiles and that concretely guides development without bogging it down in a mass of documents and guesses about the implementation; Documentation? Even a whiteboard diagram, or a CRC

  6. Designing, developing, and implementing software ecosystems

    DEFF Research Database (Denmark)

    Manikas, Konstantinos; Hämäläinen, Mervi; Tyrväinen, Pasi

    2017-01-01

    identifies that ecosystems typically emerge from either a company deciding to allow development on their product platform or from a successful open source project. In our study we add to this knowledge by demonstrating, through two case studies, that ecosystems can emerge from more than a technological...

  7. Development of nuclear imaging instrument and software

    International Nuclear Information System (INIS)

    Kim, Jang Hee; Chung Jae Myung; Nam, Sang Won; Chang, Hyung Uk

    1999-03-01

    In the medical diagnosis, the nuclear medical instrument using the radioactive isotope are commonly utilized. In the foreign countries, the medical application and development of the most advanced nuclear medical instrument such as Single Photon Emission Computer Tomography (SPECT) and position emission tomograph (PET), have been extensively carried out. However, in Korea, such highly expensive instruments have been all, imported, paying foreign currency. Since 1997, much efforts, the development of the radio nuclide medical instrument, the drive of the domestic production, etc. have been made to establish our own technologies and to balance the international payments under the support of the Ministry of Science and Technology. At present time, 180 nuclear imaging instruments are now in operation and 60 of them are analog camera. In analog camera, the vector X-Y monitor is need for are image display. Since the analog camera, signal can not be process in the digital form, we have difficulties to transfer and store the image data. The image displayed at the monitor must be stored in the form of polaroid or X ray film. In order to discard these disadvantages, if we developed the computer interface system, the performance analog camera will be comparable with that of the digital camera. The final objective of the research is that using the interface system developed in this research, we reconstruct the image data transmitted to the personal computer in the form of the generalized data file

  8. A REVIEW OF ESTIMATION OF SOFTWARE PRODUCTS DEVELOPMENT COSTS

    Directory of Open Access Journals (Sweden)

    Edin Osmanbegović

    2017-01-01

    Full Text Available In the modern business and management of business processes, the standardization of procedures allows the creation of added value, increasing competitiveness and success in the business of an organization. Evaluation of the budget for software development is crucial to the success of an IT project, because the inability to make a realistic assessment leads to inadequate project plans, customer dissatisfaction, poor quality of software products, and reduced profits. In order to minimize such situations, making accurate and reliable software cost estimation should be carried out at all stages of the project life cycle. Although hundreds of research articles focusing on the application of different methods of budget estimates of the software product have been published so far, there is no comprehensive review of the current situation or review of research trends in the budget estimates of the software product. This paper aims to create a framework for estimation of costs of development of software products by providing an overview of the most influential researchers, the most influential articles published in the WoS database, the most used keywords for searching the articles, as well as a review of the estimation techniques used in budget estimates of the software product.

  9. Development of the ISS EMU Dashboard Software

    Science.gov (United States)

    Bernard, Craig; Hill, Terry R.

    2011-01-01

    The EMU (Extra-Vehicular Mobility Unit) Dashboard was developed at NASA s Johnson Space Center to aid in real-time mission support for the ISS (International Space Station) and Shuttle EMU space suit by time synchronizing down-linked video, space suit data and audio from the mission control audio loops. Once the input streams are synchronized and recorded, the data can be replayed almost instantly and has proven invaluable in understanding in-flight hardware anomalies and playing back information conveyed by the crew to missions control and the back room support. This paper will walk through the development from an engineer s idea brought to life by an intern to real time mission support and how this tool is evolving today and its challenges to support EVAs (Extra-Vehicular Activities) and human exploration in the 21st century.

  10. Standardization of Software Application Development and Governance

    Science.gov (United States)

    2015-03-01

    of their systems or applications. DOD systems do not have the luxury of replacing systems at the same pace as commercial companies. DOD has to...is not that the commercial market purposefully sells products that are not complete, but having a 100% complete product requires extensive testing...develop applications for Google ’s Android and Apple ’s iOS devices. Both these companies have SDKs online as well as a number of resources available

  11. Developing a software for removable partial denture design: Part II: Introduction of RPD graph software

    Directory of Open Access Journals (Sweden)

    Nejatidanesh F

    2007-06-01

    Full Text Available Background and Aim: Designing removable partial dentures is one of the most important phases of prosthetic treatments. Computer can be used to facilitate and increase accuracy of removable partial denture design. The aim of this study was to develop a software for removable partial denture design.Materials and Methods: A questionnaire (discussed in part I and major textbooks, were used to determine the design rules.  The software (RPD Graph was developed using Visual C++ and Maryam program. The RPD Graph can determine the classification of partial edentulous arch. With defining the missing teeth and providing data about prognosis and conditions of abutment teeth, the removable partial design will be developed by RPD Graph. This software is a knowledge-based system which has specific characteristics. It can be used as an educational tool for teaching RPD design and as a clinical tool for supporting clinician's decision. In addition it can be developed to more complete softwares.

  12. Identifying Coordination Problems in Software Development : Finding Mismatches between Software and Project Team Structures

    NARCIS (Netherlands)

    Amrit, Chintan Amrit; van Hillegersberg, Jos; Kumar, Kuldeep

    2012-01-01

    Today’s dynamic and iterative development environment brings significant challenges for software project management. In distributed project settings, “management by walking around” is no longer an option and project managers may miss out on key project insights. The TESNA (TEchnical Social Network

  13. Flexible, reliable software using patterns and agile development

    CERN Document Server

    Christensen, Henrik B

    2010-01-01

    …This book brings together a careful selection of topics that are relevant, indeed crucial, for developing good quality software with a carefully designed pedagogy that leads the reader through an experience of active learning. The emphasis in the content is on practical goals-how to construct reliable and flexible software systems-covering many topics that every software engineer should have studied. The emphasis in the method is on providing a practical context, hands-on projects, and guidance on process. … The text discusses not only what the end product should be like, but also how to get

  14. Developing a TTCN-3 Test Harness for Legacy Software

    DEFF Research Database (Denmark)

    Okika, Joseph C.; Ravn, Anders Peter; Siddalingaiah, Lokesh

    2006-01-01

    We describe a prototype test harness for an embedded system which is the control software for a modern marine diesel engine. The operations of such control software requires complete certification. We adopt Testing and Test Control Notation (TTCN-3) to define test cases for this purpose. The main...... challenge in developing the test harness is to interface a generic test driver to the legacy software and provide a suitable interface for test engineers. The main contribution of this paper is a demonstration of a suitable design for such a test harness. It includes: a TTCN-3 test driver in C++, the legacy...

  15. TAPSOFT'95: Theory and Practice of Software Development

    DEFF Research Database (Denmark)

    This volume presents the proceedings of the Sixth International Joint Conference on the Theory and Practice of Software Engineering, TAPSOFT '95, held in Aarhus, Denmark in May 1995. TAPSOFT '95 celebrates the 10th anniversary of this conference series started in Berlin in 1985 to bring together...... theoretical computer scientists and software engineers (researchers and practitioners) with a view to discussing how formal methods can usefully be applied in software development. The volume contains seven invited papers, among them one by Vaugham Pratt on the recently revealed bug in the Pentium chip...

  16. Order and chaos in agile software development: a comparison of two software development teams in a major IT company

    OpenAIRE

    Wang, Xiaofeng; Vidgen, Richard

    2007-01-01

    peer-reviewed Agile methods have emerged and become popular over last few years as a response to shortcomings of the waterfall process model. However, agile processes are stamped by some as chaotic processes and are placed in opposition to waterfall approaches. This paper uses the edge of chaos concept from complex adaptive systems theory as a theoretical lens to analyse the roles of structure and planning in the software development process. The software development processes ...

  17. Crossing Boundaries in Global Software Development

    DEFF Research Database (Denmark)

    Søderberg, Anne-Marie; Romani, Laurence

    across cultures, languages, organizational boundaries, time zones and geographical distances. The paper revises a framework of boundary spanning leadership practices developed for MNCs and adapts it to an offshore outsourcing context. It also contributes with reflections on how imbalances of resources......Western companies´ offshore outsourcing is increasingly being replaced by strategic partnerships that require closer collaboration between client and vendor. This paper addresses the question: How does a vendor company from an emergent market deal with inter-organizational boundary spanning...

  18. Qualified software development methodologies for nuclear class 1E equipment

    International Nuclear Information System (INIS)

    Koch, Shlomo; Ruether, J.

    1992-01-01

    This article describes the experience learned at Northern States Power and Spectrum Technologies, during the development of a computer based Safeguard Load Sequencer, for Prairie Island Nuclear Generating Plant. The Safeguard Load Sequencer (SLS) performs the function of 4kV emergency bus voltage restoration, load shedding, and emergency diesel generator loading. The system is designed around an Allen-Bradley PLC-5 programmable controller. The Safeguard Load Sequencer is the vehicle to demonstrate the software engineering procedures and methodologies. The article analyzes the requirements imposed by the NUREG 4640 handbook, and the relevant IEEE standards. The article tries to answer the question what is software engineering, and describe the waterfall life cycle phases of software development. The effects of each phase on software quality and V and V plan is described. Issues designing a V and V plan is addressed, and considerations of cost and time to implement the program are described. The article also addresses the subject of tools that can increase productivity and reduce the cost and time of an extensive V and V plan. It describes the tools the authors used, and more importantly presents a wish list of tools that they as developers would like to have. The role of testing is presented. They show that testing at the final stage has a lower impact on software quality then generally assumed. Full coverage of testing is almost always impossible, and they demonstrate how alternative audits and test during the development phase can improve software reliability

  19. Software Engineering Research/Developer Collaborations in 2004 (C104)

    Science.gov (United States)

    Pressburger, Tom; Markosian, Lawrance

    2005-01-01

    In 2004, six collaborations between software engineering technology providers and NASA software development personnel deployed a total of five software engineering technologies (for references, see Section 7.2) on the NASA projects. The main purposes were to benefit the projects, infuse the technologies if beneficial into NASA, and give feedback to the technology providers to improve the technologies. Each collaboration project produced a final report (for references, see Section 7.1). Section 2 of this report summarizes each project, drawing from the final reports and communications with the software developers and technology providers. Section 3 indicates paths to further infusion of the technologies into NASA practice. Section 4 summarizes some technology transfer lessons learned. Section 6 lists the acronyms used in this report.

  20. Developing medical device software in compliance with regulations.

    Science.gov (United States)

    Zema, M; Rosati, S; Gioia, V; Knaflitz, M; Balestra, G

    2015-08-01

    In the last decade, the use of information technology (IT) in healthcare has taken a growing role. In fact, the adoption of an increasing number of computer tools has led to several benefits related to the process of patient care and allowed easier access to social and health care resources. At the same time this trend gave rise to new challenges related to the implementation of these new technologies. Software used in healthcare can be classified as medical devices depending on the way they are used and on their functional characteristics. If they are classified as medical devices they must satisfy specific regulations. The aim of this work is to present a software development framework that can allow the production of safe and high quality medical device software and to highlight the correspondence between each software development phase and the appropriate standard and/or regulation.

  1. Formal methods in software development: A road less travelled

    Directory of Open Access Journals (Sweden)

    John A van der Poll

    2010-08-01

    Full Text Available An integration of traditional verification techniques and formal specifications in software engineering is presented. Advocates of such techniques claim that mathematical formalisms allow them to produce quality, verifiably correct, or at least highly dependable software and that the testing and maintenance phases are shortened. Critics on the other hand maintain that software formalisms are hard to master, tedious to use and not well suited for the fast turnaround times demanded by industry. In this paper some popular formalisms and the advantages of using these during the early phases of the software development life cycle are presented. Employing the Floyd-Hoare verification principles during the formal specification phase facilitates reasoning about the properties of a specification. Some observations that may help to alleviate the formal-methods controversy are established and a number of formal methods successes is presented. Possible conditions for an increased acceptance of formalisms in oftware development are discussed.

  2. Software Development and Test Methodology for a Distributed Ground System

    Science.gov (United States)

    Ritter, George; Guillebeau, Pat; McNair, Ann R. (Technical Monitor)

    2002-01-01

    The Marshall Space Flight Center's (MSFC) Payload Operations Center (POC) ground system has evolved over a period of about 10 years. During this time the software processes have migrated from more traditional to more contemporary development processes in an effort to minimize unnecessary overhead while maximizing process benefits. The Software processes that have evolved still emphasize requirements capture, software configuration management, design documenting, and making sure the products that have been developed are accountable to initial requirements. This paper will give an overview of how the Software Processes have evolved, highlighting the positives as well as the negatives. In addition, we will mention the COTS tools that have been integrated into the processes and how the COTS have provided value to the project.

  3. A META-COMPOSITE SOFTWARE DEVELOPMENT APPROACH FOR TRANSLATIONAL RESEARCH

    Science.gov (United States)

    Sadasivam, Rajani S.; Tanik, Murat M.

    2013-01-01

    Translational researchers conduct research in a highly data-intensive and continuously changing environment and need to use multiple, disparate tools to achieve their goals. These researchers would greatly benefit from meta-composite software development or the ability to continuously compose and recompose tools together in response to their ever-changing needs. However, the available tools are largely disconnected, and current software approaches are inefficient and ineffective in their support for meta-composite software development. Building on the composite services development approach, the de facto standard for developing integrated software systems, we propose a concept-map and agent-based meta-composite software development approach. A crucial step in composite services development is the modeling of users’ needs as processes, which can then be specified in an executable format for system composition. We have two key innovations. First, our approach allows researchers (who understand their needs best) instead of technicians to take a leadership role in the development of process models, reducing inefficiencies and errors. A second innovation is that our approach also allows for modeling of complex user interactions as part of the process, overcoming the technical limitations of current tools. We demonstrate the feasibility of our approach using a real-world translational research use case. We also present results of usability studies evaluating our approach for future refinements. PMID:23504436

  4. A meta-composite software development approach for translational research.

    Science.gov (United States)

    Sadasivam, Rajani S; Tanik, Murat M

    2013-06-01

    Translational researchers conduct research in a highly data-intensive and continuously changing environment and need to use multiple, disparate tools to achieve their goals. These researchers would greatly benefit from meta-composite software development or the ability to continuously compose and recompose tools together in response to their ever-changing needs. However, the available tools are largely disconnected, and current software approaches are inefficient and ineffective in their support for meta-composite software development. Building on the composite services development approach, the de facto standard for developing integrated software systems, we propose a concept-map and agent-based meta-composite software development approach. A crucial step in composite services development is the modeling of users' needs as processes, which can then be specified in an executable format for system composition. We have two key innovations. First, our approach allows researchers (who understand their needs best) instead of technicians to take a leadership role in the development of process models, reducing inefficiencies and errors. A second innovation is that our approach also allows for modeling of complex user interactions as part of the process, overcoming the technical limitations of current tools. We demonstrate the feasibility of our approach using a real-world translational research use case. We also present results of usability studies evaluating our approach for future refinements.

  5. Radioisotope thermoelectric generator transportation system subsystem 143 software development plan

    International Nuclear Information System (INIS)

    King, D.A.

    1994-01-01

    This plan describes the activities to be performed and the controls to be applied to the process of specifying, developing, and qualifying the data acquisition software for the Radioisotope Thermoelectric Generator (RTG) Transportation System Subsystem 143 Instrumentation and Data Acquisition System (IDAS). This plan will serve as a software quality assurance plan, a verification and validation (V and V) plan, and a configuration management plan

  6. Recent Developments in Low-Level Software Security

    OpenAIRE

    Agten , Pieter; Nikiforakis , Nick; Strackx , Raoul; Groef , Willem ,; Piessens , Frank

    2012-01-01

    Part 1: Keynotes; International audience; An important objective for low-level software security research is to develop techniques that make it harder to launch attacks that exploit implementation details of the system under attack. Baltopoulos and Gordon have summarized this as the principle of source-based reasoning for security: security properties of a software system should follow from review of the source code and its source-level semantics, and should not depend on details of the compi...

  7. Coordinating Management Activities in Distributed Software Development Projects

    OpenAIRE

    Bendeck, Fawsy; Goldmann, Sigrid; Holz, Harald; Kötting, Boris

    1999-01-01

    Coordinating distributed processes, especially engineering and software design processes, has been a research topic for some time now. Several approaches have been published that aim at coordinating large projects in general, and large software development processes in specific. However, most of these approaches focus on the technical part of the design process and omit management activities like planning and scheduling the project, or monitoring it during execution. In this paper, we focus o...

  8. Why Closely Coupled Work Matters in Global Software Development

    DEFF Research Database (Denmark)

    Jensen, Rasmus Eskild

    2014-01-01

    We report on an ethnographic study of an offshore global software development project between Danish and Philippine developers in a Danish company called GlobalSoft. We investigate why the IT- developers chose to engage in more closely coupled work as the project progressed and argue that closely...

  9. Need for multiple approaches in collaborative software development

    International Nuclear Information System (INIS)

    LePoire, D. J.

    2002-01-01

    The need to share software and reintegrate it into new applications presents a difficult but important challenge. Component-based development as an approach to this problem is receiving much attention in professional journals and academic curricula. However, there are many other approaches to collaborative software development that might be more appropriate. This paper reviews a few of these approaches and discusses criteria for the conditions and contexts in which these alternative approaches might be more appropriate. This paper complements the discussion of context-based development team organizations and processes. Examples from a small development team that interacts with a larger professional community are analyzed

  10. Space and Ground-Based Infrastructures

    Science.gov (United States)

    Weems, Jon; Zell, Martin

    This chapter deals first with the main characteristics of the space environment, outside and inside a spacecraft. Then the space and space-related (ground-based) infrastructures are described. The most important infrastructure is the International Space Station, which holds many European facilities (for instance the European Columbus Laboratory). Some of them, such as the Columbus External Payload Facility, are located outside the ISS to benefit from external space conditions. There is only one other example of orbital platforms, the Russian Foton/Bion Recoverable Orbital Capsule. In contrast, non-orbital weightless research platforms, although limited in experimental time, are more numerous: sounding rockets, parabolic flight aircraft, drop towers and high-altitude balloons. In addition to these facilities, there are a number of ground-based facilities and space simulators, for both life sciences (for instance: bed rest, clinostats) and physical sciences (for instance: magnetic compensation of gravity). Hypergravity can also be provided by human and non-human centrifuges.

  11. Dependability modeling and assessment in UML-based software development.

    Science.gov (United States)

    Bernardi, Simona; Merseguer, José; Petriu, Dorina C

    2012-01-01

    Assessment of software nonfunctional properties (NFP) is an important problem in software development. In the context of model-driven development, an emerging approach for the analysis of different NFPs consists of the following steps: (a) to extend the software models with annotations describing the NFP of interest; (b) to transform automatically the annotated software model to the formalism chosen for NFP analysis; (c) to analyze the formal model using existing solvers; (d) to assess the software based on the results and give feedback to designers. Such a modeling→analysis→assessment approach can be applied to any software modeling language, be it general purpose or domain specific. In this paper, we focus on UML-based development and on the dependability NFP, which encompasses reliability, availability, safety, integrity, and maintainability. The paper presents the profile used to extend UML with dependability information, the model transformation to generate a DSPN formal model, and the assessment of the system properties based on the DSPN results.

  12. A Padawan Programmer's Guide to Developing Software Libraries.

    Science.gov (United States)

    Yurkovich, James T; Yurkovich, Benjamin J; Dräger, Andreas; Palsson, Bernhard O; King, Zachary A

    2017-11-22

    With the rapid adoption of computational tools in the life sciences, scientists are taking on the challenge of developing their own software libraries and releasing them for public use. This trend is being accelerated by popular technologies and platforms, such as GitHub, Jupyter, R/Shiny, that make it easier to develop scientific software and by open-source licenses that make it easier to release software. But how do you build a software library that people will use? And what characteristics do the best libraries have that make them enduringly popular? Here, we provide a reference guide, based on our own experiences, for developing software libraries along with real-world examples to help provide context for scientists who are learning about these concepts for the first time. While we can only scratch the surface of these topics, we hope that this article will act as a guide for scientists who want to write great software that is built to last. Copyright © 2017 Elsevier Inc. All rights reserved.

  13. Development of Cell Analysis Software for Cultivated Corneal Endothelial Cells.

    Science.gov (United States)

    Okumura, Naoki; Ishida, Naoya; Kakutani, Kazuya; Hongo, Akane; Hiwa, Satoru; Hiroyasu, Tomoyuki; Koizumi, Noriko

    2017-11-01

    To develop analysis software for cultured human corneal endothelial cells (HCECs). Software was designed to recognize cell borders and to provide parameters such as cell density, coefficient of variation, and polygonality of cultured HCECs based on phase contrast images. Cultured HCECs with high or low cell density were incubated with Ca-free and Mg-free phosphate-buffered saline for 10 minutes to reveal the cell borders and were then analyzed with software (n = 50). Phase contrast images showed that cell borders were not distinctly outlined, but these borders became more distinctly outlined after phosphate-buffered saline treatment and were recognized by cell analysis software. The cell density value provided by software was similar to that obtained using manual cell counting by an experienced researcher. Morphometric parameters, such as the coefficient of variation and polygonality, were also produced by software, and these values were significantly correlated with cell density (Pearson correlation coefficients -0.62 and 0.63, respectively). The software described here provides morphometric information from phase contrast images, and it enables subjective and noninvasive quality assessment for tissue engineering therapy of the corneal endothelium.

  14. SCaN Testbed Software Development and Lessons Learned

    Science.gov (United States)

    Kacpura, Thomas J.; Varga, Denise M.

    2012-01-01

    National Aeronautics and Space Administration (NASA) has developed an on-orbit, adaptable, Software Defined Radio (SDR)Space Telecommunications Radio System (STRS)-based testbed facility to conduct a suite of experiments to advance technologies, reduce risk, and enable future mission capabilities on the International Space Station (ISS). The SCAN Testbed Project will provide NASA, industry, other Government agencies, and academic partners the opportunity to develop and field communications, navigation, and networking technologies in the laboratory and space environment based on reconfigurable, SDR platforms and the STRS Architecture.The SDRs are a new technology for NASA, and the support infrastructure they require is different from legacy, fixed function radios. SDRs offer the ability to reconfigure on-orbit communications by changing software for new waveforms and operating systems to enable new capabilities or fix any anomalies, which was not a previous option. They are not stand alone devices, but required a new approach to effectively control them and flow data. This requires extensive software to be developed to utilize the full potential of these reconfigurable platforms. The paper focuses on development, integration and testing as related to the avionics processor system, and the software required to command, control, monitor, and interact with the SDRs, as well as the other communication payload elements. An extensive effort was required to develop the flight software and meet the NASA requirements for software quality and safety. The flight avionics must be radiation tolerant, and these processors have limited capability in comparison to terrestrial counterparts. A big challenge was that there are three SDRs onboard, and interfacing with multiple SDRs simultaneously complicatesd the effort. The effort also includes ground software, which is a key element for both the command of the payload, and displaying data created by the payload. The verification of

  15. The ALMA Common Software as a Basis for a Distributed Software Development

    Science.gov (United States)

    Raffi, Gianni; Chiozzi, Gianluca; Glendenning, Brian

    The Atacama Large Millimeter Array (ALMA) is a joint project involving astronomical organizations in Europe, North America and Japan. ALMA will consist of 64 12-m antennas operating in the millimetre and sub-millimetre wavelength range, with baselines of more than 10 km. It will be located at an altitude above 5000 m in the Chilean Atacama desert. The ALMA Computing group is a joint group with staff scattered on 3 continents and is responsible for all the control and data flow software related to ALMA, including tools ranging from support of proposal preparation to archive access of automatically created images. Early in the project it was decided that an ALMA Common Software (ACS) would be developed as a way to provide to all partners involved in the development a common software platform. The original assumption was that some key middleware like communication via CORBA and the use of XML and Java would be part of the project. It was intended from the beginning to develop this software in an incremental way based on releases, so that it would then evolve into an essential embedded part of all ALMA software applications. In this way we would build a basic unity and coherence into a system that will have been developed in a distributed fashion. This paper evaluates our progress after 1.5 year of work, following a few tests and preliminary releases. It analyzes the advantages and difficulties of such an ambitious approach, which creates an interface across all the various control and data flow applications.

  16. 77 FR 50724 - Developing Software Life Cycle Processes for Digital Computer Software Used in Safety Systems of...

    Science.gov (United States)

    2012-08-22

    ... review of applications for permits and licenses. The DG entitled ``Developing Software Life Cycle... NUCLEAR REGULATORY COMMISSION [NRC-2012-0195] Developing Software Life Cycle Processes for Digital Computer Software Used in Safety Systems of Nuclear Power Plants AGENCY: Nuclear Regulatory Commission...

  17. Appliance of software engineering in development of nuclear power plant

    International Nuclear Information System (INIS)

    Baek, Y. W.; Kim, H. C.; Yun, C.; Kim, B. R.

    1999-01-01

    Application of computer technology in nuclear power plant is also a necessary transformation as in other industry fields. But until now, application of software technology was not wide-spread because of its potential effect to safety in nuclear field. It is an urgent theme to develop evaluation guide and regulation techniques to guarantee safety, reliability and quality assurance. To meet these changes, techniques for development and operation should be enhanced to ensure the quality of software systems. In this study, we show the difference between waterfall model and software life-cycle needed in development of nuclear power plant and propose the consistent framework needed in development of instrumentation and control system of nuclear power plant

  18. Final Report. Center for Scalable Application Development Software

    Energy Technology Data Exchange (ETDEWEB)

    Mellor-Crummey, John [Rice Univ., Houston, TX (United States)

    2014-10-26

    The Center for Scalable Application Development Software (CScADS) was established as a part- nership between Rice University, Argonne National Laboratory, University of California Berkeley, University of Tennessee – Knoxville, and University of Wisconsin – Madison. CScADS pursued an integrated set of activities with the aim of increasing the productivity of DOE computational scientists by catalyzing the development of systems software, libraries, compilers, and tools for leadership computing platforms. Principal Center activities were workshops to engage the research community in the challenges of leadership computing, research and development of open-source software, and work with computational scientists to help them develop codes for leadership computing platforms. This final report summarizes CScADS activities at Rice University in these areas.

  19. Trust in agile teams in distributed software development

    DEFF Research Database (Denmark)

    Tjørnehøj, Gitte; Fransgård, Mette; Skalkam, Signe

    2012-01-01

    Distributed software development (DSD) is becoming everyday practice in the software market. Difficult challenges and difficulty reaching the expected benefits are well documented. Recently agile software development has become common in DSD, even though important incompatibilities between...... that leads to team success. This article reports from a study of two agile DSD teams with very different organization and collaboration patterns. It addresses the role of trust and distrust in DSD by analyzing how the team members’ trust developed and erode through the lifetime of the two collaborations...... and how management actions influenced this. We find that some agile practice can empower teams to take over responsibility for managing their own trust building and sustaining and that management neglect of trust-building in other situations can hinder the development of beneficial balanced agile DSD...

  20. Appliance of software engineering in development of nuclear power plant

    Energy Technology Data Exchange (ETDEWEB)

    Baek, Y. W.; Kim, H. C.; Yun, C. [Chungnam National Univ., Taejon (Korea, Republic of); Kim, B. R. [KINS, Taejon (Korea, Republic of)

    1999-10-01

    Application of computer technology in nuclear power plant is also a necessary transformation as in other industry fields. But until now, application of software technology was not wide-spread because of its potential effect to safety in nuclear field. It is an urgent theme to develop evaluation guide and regulation techniques to guarantee safety, reliability and quality assurance. To meet these changes, techniques for development and operation should be enhanced to ensure the quality of software systems. In this study, we show the difference between waterfall model and software life-cycle needed in development of nuclear power plant and propose the consistent framework needed in development of instrumentation and control system of nuclear power plant.

  1. Study on Risk Approaches in Software Development Projects

    Directory of Open Access Journals (Sweden)

    Claudiu BRANDAS

    2012-01-01

    Full Text Available Risk approaches in project development led to the integration in the IT project management methodologies and software development of activities and processes of risk management. The diversity and the advanced level of the used technologies in IT projects with increasing com-plexity leads to an exponential diversification of risk factors.The purpose of this research is to identify the level of the risk approach in IT projects both at the IT project management and software development methodologies level and the level of the perception of IT project man-agers, IT managers and IT analysts in Romanian IT companies. Thus, we want to determine the correlation between the use of a project management or software development methodology and the overall level of risk perceived by the project managers using these methodologies.

  2. Adopting of Agile methods in Software Development Organizations: Systematic Mapping

    Directory of Open Access Journals (Sweden)

    Samia Abdalhamid

    2017-11-01

    Full Text Available Adoption of agile methods in the software development organization is considered as a powerful solution to deal with the quickly changing and regularly developing business environment and fully-educated customers with constantly rising expectation, such as shorter time periods and an extraordinary level of response and service. This study investigates the adoption of agile approaches in software development organizations by using systematic mapping. Six research questions are identified, and to answer these questions a number of research papers have been reviewed in electronic databases. Finally, 25 research papers are examined and answers to all research questions are provided.

  3. Development of Software for dose Records Data Base Access

    International Nuclear Information System (INIS)

    Amaro, M.

    1990-01-01

    The CIEMAT personal dose records are computerized in a Dosimetric Data Base whose primary purpose was the individual dose follow-up control and the data handling for epidemiological studies. Within the Data Base management scheme, software development to allow searching of individual dose records by external authorised users was undertaken. The report describes the software developed to allow authorised persons to visualize on screen a summary of the individual dose records from workers included in the Data Base. The report includes the User Guide for the authorised list of users and listings of codes and subroutines developed. (Author) 2 refs

  4. A Survey of Formal Methods in Software Development

    DEFF Research Database (Denmark)

    Bjørner, Dines

    2012-01-01

    The use of formal methods and formal techniques in industry is steadily growing. In this survey we shall characterise what we mean by software development and by a formal method; briefly overview a history of formal specification languages - some of which are: VDM (Vienna Development Method, 1974...... need for multi-language formalisation (Petri Nets, MSC, StateChart, Temporal Logics); the sociology of university and industry acceptance of formal methods; the inevitability of the use of formal software development methods; while referring to seminal monographs and textbooks on formal methods....

  5. EPICS: A control system software co-development success story

    International Nuclear Information System (INIS)

    Knott, M.; Gurd, D.; Lewis, S.; Thuot, M.

    1993-01-01

    The Experimental Physics and Industrial Control Systems (EPICS) is the result of a software sharing and co-development effort of major importance now underway. The initial two participants, LANL and ANL, have now been joined by three other labs, and an earlier version of the software has been transferred to three commercial firms and is currently undergoing separate development. The reasons for EPICS's success may be useful to enumerate and explain and the desire and prospects for its continued development are certainly worth examining

  6. Software system development of NPP plant DiD risk monitor. Basic design of software configuration

    International Nuclear Information System (INIS)

    Yoshikawa, Hidekazu; Nakagawa, Takashi

    2015-01-01

    A new risk monitor system is under development which can be applied not only to prevent severe accident in daily operation but also to serve as to mitigate the radiological hazard just after severe accident happens and long term management of post-severe accident consequences. The fundamental method for the new risk monitor system is first given on how to configure the Plant Defense in-Depth (DiD) Risk Monitor by object-oriented software system based on functional modeling approach. In this paper, software system for the plant DiD risk monitor is newly developed by object oriented method utilizing Unified Modeling Language (UML). Usage of the developed DiD risk monitor is also introduced by showing examples for LOCA case of AP1000. (author)

  7. Development of a software for control of the Lidar complex at the IAO SB RAS small Lidar station

    Science.gov (United States)

    Marichev, V. N.; Bochkovskii, D. A.

    2015-11-01

    The problems are discussed in the wide circles of the scientific community in the end of the last and in the beginning of present century, related with climate change on both global and local scale. The complicated question of changing climatic and ecological systems under the effect of natural and anthropogenic factors requires the development and creation of atmospheric aerosol thermodynamic and spatial-temporal models, development of network of both ground-based and space-based services for monitoring of the atmosphere on a global scale [1, 2]. Measures on collection of great amount of data lead to the need of development of not only technical side of the solution to the problem, but also methodological, algorithmic and software. The last decade is marked by the widespread introduction of computer technology into science and increase of its consumer features, such as speed, volume of RAM and cash memory, as well as the ability of high-quality displaying the data. Therefore, the final item in the development of automation of the experiment and application of mathematical methods is the development of the software tools. Software should carry the main load in the processing and simulation of an experiment, and to be a link between theoreticians, developers of the processing methods and models of physical processes and experimentalists

  8. High energy astrophysics with ground-based gamma ray detectors

    International Nuclear Information System (INIS)

    Aharonian, F; Buckley, J; Kifune, T; Sinnis, G

    2008-01-01

    Recent advances in ground-based gamma ray astronomy have led to the discovery of more than 70 sources of very high energy (E γ ≥ 100 GeV) gamma rays, falling into a number of source populations including pulsar wind nebulae, shell type supernova remnants, Wolf-Rayet stars, giant molecular clouds, binary systems, the Galactic Center, active galactic nuclei and 'dark' (yet unidentified) galactic objects. We summarize the history of TeV gamma ray astronomy up to the current status of the field including a description of experimental techniques and highlight recent astrophysical results. We also discuss the potential of ground-based gamma ray astronomy for future discoveries and describe possible directions for future instrumental developments

  9. Ground-based Nuclear Detonation Detection (GNDD) Technology Roadmap

    International Nuclear Information System (INIS)

    Casey, Leslie A.

    2014-01-01

    This GNDD Technology Roadmap is intended to provide guidance to potential researchers and help management define research priorities to achieve technology advancements for ground-based nuclear explosion monitoring science being pursued by the Ground-based Nuclear Detonation Detection (GNDD) Team within the Office of Nuclear Detonation Detection in the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy (DOE). Four science-based elements were selected to encompass the entire scope of nuclear monitoring research and development (R&D) necessary to facilitate breakthrough scientific results, as well as deliver impactful products. Promising future R&D is delineated including dual use associated with the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Important research themes as well as associated metrics are identified along with a progression of accomplishments, represented by a selected bibliography, that are precursors to major improvements to nuclear explosion monitoring.

  10. Ground-based Nuclear Detonation Detection (GNDD) Technology Roadmap

    Energy Technology Data Exchange (ETDEWEB)

    Casey, Leslie A.

    2014-01-13

    This GNDD Technology Roadmap is intended to provide guidance to potential researchers and help management define research priorities to achieve technology advancements for ground-based nuclear explosion monitoring science being pursued by the Ground-based Nuclear Detonation Detection (GNDD) Team within the Office of Nuclear Detonation Detection in the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy (DOE). Four science-based elements were selected to encompass the entire scope of nuclear monitoring research and development (R&D) necessary to facilitate breakthrough scientific results, as well as deliver impactful products. Promising future R&D is delineated including dual use associated with the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Important research themes as well as associated metrics are identified along with a progression of accomplishments, represented by a selected bibliography, that are precursors to major improvements to nuclear explosion monitoring.

  11. Simplifying the Development, Use and Sustainability of HPC Software

    Directory of Open Access Journals (Sweden)

    Jeremy Cohen

    2014-07-01

    Full Text Available Developing software to undertake complex, compute-intensive scientific processes requires a challenging combination of both specialist domain knowledge and software development skills to convert this knowledge into efficient code. As computational platforms become increasingly heterogeneous and newer types of platform such as Infrastructure-as-a-Service (IaaS cloud computing become more widely accepted for high-performance computing (HPC, scientists require more support from computer scientists and resource providers to develop efficient code that offers long-term sustainability and makes optimal use of the resources available to them. As part of the libhpc stage 1 and 2 projects we are developing a framework to provide a richer means of job specification and efficient execution of complex scientific software on heterogeneous infrastructure. In this updated version of our submission to the WSSSPE13 workshop at SuperComputing 2013 we set out our approach to simplifying access to HPC applications and resources for end-users through the use of flexible and interchangeable software components and associated high-level functional-style operations. We believe this approach can support sustainability of scientific software and help to widen access to it.

  12. WIPDash: Work Item and People Dashboard for Software Development Teams

    NARCIS (Netherlands)

    Jakobsen, M. R.; Fernandez, R.; Czerwinski, M.; Inkpen, K.; Kulyk, Olga Anatoliyivna; Robertson, G.G.

    2009-01-01

    We present WIPDash, a visualization for software development teams designed to increase group awareness of work items and code base activity. WIPDash was iteratively designed by working with two development teams, using interviews, observations, and focus groups, as well as sketches of the

  13. Management of Globally Distributed Component-Based Software Development Projects

    NARCIS (Netherlands)

    J. Kotlarsky (Julia)

    2005-01-01

    textabstractGlobally Distributed Component-Based Development (GD CBD) is expected to become a promising area, as increasing numbers of companies are setting up software development in a globally distributed environment and at the same time are adopting CBD methodologies. Being an emerging area, the

  14. Accelerating NASA GN&C Flight Software Development

    Science.gov (United States)

    Tamblyn, Scott; Henry, Joel; Rapp, John

    2010-01-01

    When the guidance, navigation, and control (GN&C) system for the Orion crew vehicle undergoes Critical Design Review (CDR), more than 90% of the flight software will already be developed - a first for NASA on a project of this scope and complexity. This achievement is due in large part to a new development approach using Model-Based Design.

  15. Intrinsic Motivation versus Signaling in Open Source Software Development

    DEFF Research Database (Denmark)

    Bitzer, J; Schrettl, W; Schröder, P

    This papers sheds light on the puzzling fact that even though open source software (OSS) is a public good, it is developed for free by highly qualified, young, motivated individuals, and evolves at a rapid pace. We show that when OSS development is understood as the private provision of a public...

  16. Development of datamining software for the city water supply company

    Science.gov (United States)

    Orlinskaya, O. G.; Boiko, E. V.

    2018-05-01

    The article considers issues of datamining software development for city water supply enterprises. Main stages of OLAP and datamining systems development are proposed. The system will allow water supply companies analyse accumulated data. Accordingly, improving the quality of data analysis would improve the manageability of the company and help to make the right managerial decisions by executives of various levels.

  17. Efficient Development and Verification of Safe Railway Control Software

    DEFF Research Database (Denmark)

    Haxthausen, Anne Elisabeth; Peleska, Jan

    2013-01-01

    the monitoring process; hydraulic absorbers as dampers to dissipate the energy of oscillations in railway electric equipment; development of train fare calculation and adjustment systems using VDM++; efficient development and verification of safe railway control software; and evolution of the connectivity...

  18. Using Web Metric Software to Drive: Mobile Website Development

    Science.gov (United States)

    Tidal, Junior

    2011-01-01

    Many libraries have developed mobile versions of their websites. In order to understand their users, web developers have conducted both usability tests and focus groups, yet analytical software and web server logs can also be used to better understand users. Using data collected from these tools, the Ursula C. Schwerin Library has made informed…

  19. Silicon carbide optics for space and ground based astronomical telescopes

    Science.gov (United States)

    Robichaud, Joseph; Sampath, Deepak; Wainer, Chris; Schwartz, Jay; Peton, Craig; Mix, Steve; Heller, Court

    2012-09-01

    Silicon Carbide (SiC) optical materials are being applied widely for both space based and ground based optical telescopes. The material provides a superior weight to stiffness ratio, which is an important metric for the design and fabrication of lightweight space telescopes. The material also has superior thermal properties with a low coefficient of thermal expansion, and a high thermal conductivity. The thermal properties advantages are important for both space based and ground based systems, which typically need to operate under stressing thermal conditions. The paper will review L-3 Integrated Optical Systems - SSG’s (L-3 SSG) work in developing SiC optics and SiC optical systems for astronomical observing systems. L-3 SSG has been fielding SiC optical components and systems for over 25 years. Space systems described will emphasize the recently launched Long Range Reconnaissance Imager (LORRI) developed for JHU-APL and NASA-GSFC. Review of ground based applications of SiC will include supporting L-3 IOS-Brashear’s current contract to provide the 0.65 meter diameter, aspheric SiC secondary mirror for the Advanced Technology Solar Telescope (ATST).

  20. Integrating Design Decision Management with Model-based Software Development

    DEFF Research Database (Denmark)

    Könemann, Patrick

    Design decisions are continuously made during the development of software systems and are important artifacts for design documentation. Dedicated decision management systems are often used to capture such design knowledge. Most such systems are, however, separated from the design artifacts...... of the system. In model-based software development, where design models are used to develop a software system, outcomes of many design decisions have big impact on design models. The realization of design decisions is often manual and tedious work on design models. Moreover, keeping design models consistent......, or by ignoring the causes. This substitutes manual reviews to some extent. The concepts, implemented in a tool, have been validated with design patterns, refactorings, and domain level tests that comprise a replay of a real project. This proves the applicability of the solution to realistic examples...

  1. WILDFIRE IGNITION RESISTANCE ESTIMATOR WIZARD SOFTWARE DEVELOPMENT REPORT

    Energy Technology Data Exchange (ETDEWEB)

    Phillips, M.; Robinson, C.; Gupta, N.; Werth, D.

    2012-10-10

    This report describes the development of a software tool, entitled “WildFire Ignition Resistance Estimator Wizard” (WildFIRE Wizard, Version 2.10). This software was developed within the Wildfire Ignition Resistant Home Design (WIRHD) program, sponsored by the U. S. Department of Homeland Security, Science and Technology Directorate, Infrastructure Protection & Disaster Management Division. WildFIRE Wizard is a tool that enables homeowners to take preventive actions that will reduce their home’s vulnerability to wildfire ignition sources (i.e., embers, radiant heat, and direct flame impingement) well in advance of a wildfire event. This report describes the development of the software, its operation, its technical basis and calculations, and steps taken to verify its performance.

  2. Software Configuration Management For Multiple Releases: Influence On Development Effort

    Directory of Open Access Journals (Sweden)

    Sławomir P. Maludziński

    2007-01-01

    Full Text Available Software Configuration Management (SCM evolves together with the discipline of softwareengineering. Teams working on software products become larger and are geographically distributedat multiple sites. Collaboration between such groups requires well evaluated SCMplans and strategies to easy cooperation and decrease software development cost by reducingtime spent on SCM activities – branching and merging, that is effort utilized on creation ofrevisions (’serial’ versions and variants (’parallel’ versions. This paper suggests that SCMpractices should be combined with modular design and code refactoring to reduce cost relatedto maintenance of the same code line. Teams which produce several variants of thesame code line at the same time should use approaches like components, modularization, orplug-ins over code alternations maintained on version branches. Findings described in thispaper were taken by teams in charge of development of radio communication systems inMotorola GEMS divisions. Each team collaborating on similar projects used different SCMstrategies to develop parts of this system.

  3. Formulation of price strategies in the software sector: outsourcing of development and maintenance software product case

    Directory of Open Access Journals (Sweden)

    Antonio Cezar Bornia

    2008-07-01

    Full Text Available The main goal of this article is to discuss the formulation of price strategies in the software sector. In the intention of reaching the proposed goal, strategies models of prices are introduced along with the procedure to the formulation of price strategies, composed by five stages: external and internal analyses, consolidation, positioning, price strategy formalization and market attendance. As for the methodology, the study is classified as qualitative, exploratory, descriptive, documental, of field and case study, according to the approach of Vergara (1998. In the case study, the model to the formulation of price strategies is applied in a company’s software sector, being analyzed the outsourcing of development and maintenance software product. As main contributions, it is highlighted the price procedure application that emphasizes strategic price logic and prices strategies formulations, with base in the analysis of five main factors: quality, comparison with the competition, company life cycle, product life cycle and characteristics of the segment-objective. Based on the analyzed factors, a possible strategy to be adopted considering the characteristics of the product and the company is the price strategy and superior value. Key-words: Pricing Strategies. Price Formulation. Software Enterprises.

  4. Object oriented development of engineering software using CLIPS

    Science.gov (United States)

    Yoon, C. John

    1991-01-01

    Engineering applications involve numeric complexity and manipulations of a large amount of data. Traditionally, numeric computation has been the concern in developing an engineering software. As engineering application software became larger and more complex, management of resources such as data, rather than the numeric complexity, has become the major software design problem. Object oriented design and implementation methodologies can improve the reliability, flexibility, and maintainability of the resulting software; however, some tasks are better solved with the traditional procedural paradigm. The C Language Integrated Production System (CLIPS), with deffunction and defgeneric constructs, supports the procedural paradigm. The natural blending of object oriented and procedural paradigms has been cited as the reason for the popularity of the C++ language. The CLIPS Object Oriented Language's (COOL) object oriented features are more versatile than C++'s. A software design methodology based on object oriented and procedural approaches appropriate for engineering software, and to be implemented in CLIPS was outlined. A method for sensor placement for Space Station Freedom is being implemented in COOL as a sample problem.

  5. Development of Emittance Analysis Software for Ion Beam Characterization

    International Nuclear Information System (INIS)

    Padilla, M.J.; Liu, Yuan

    2007-01-01

    Transverse beam emittance is a crucial property of charged particle beams that describes their angular and spatial spread. It is a figure of merit frequently used to determine the quality of ion beams, the compatibility of an ion beam with a given beam transport system, and the ability to suppress neighboring isotopes at on-line mass separator facilities. Generally, a high-quality beam is characterized by a small emittance. In order to determine and improve the quality of ion beams used at the Holifield Radioactive Ion Beam Facility (HRIBF) for nuclear physics and nuclear astrophysics research, the emittances of the ion beams are measured at the off-line Ion Source Test Facilities. In this project, emittance analysis software was developed to perform various data processing tasks for noise reduction, to evaluate root-mean-square emittance, Twiss parameters, and area emittance of different beam fractions. The software also provides 2D and 3D graphical views of the emittance data, beam profiles, emittance contours, and RMS. Noise exclusion is essential for accurate determination of beam emittance values. A Self-Consistent, Unbiased Elliptical Exclusion (SCUBEEx) method is employed. Numerical data analysis techniques such as interpolation and nonlinear fitting are also incorporated into the software. The software will provide a simplified, fast tool for comprehensive emittance analysis. The main functions of the software package have been completed. In preliminary tests with experimental emittance data, the analysis results using the software were shown to be accurate

  6. Development of a specific geological mapping software under MAPGIS

    International Nuclear Information System (INIS)

    Zhang Wenkai

    2010-01-01

    The most often used mapping software in geological exploration is MAPGIS system, and related standard is established based on it. The software has more agile functions, except for the following shortages: more parameters to select, difficult to master, different parameters to use for each one, low efficiency. As a result, a specific software is developed for geological mapping by using VC++ on the platform of MAPGIS. According to the standards, toolbars are built for strata, rock, geographic information and materials, etc. By pushing on the buttons, the parameters are selected, and menus of toolbars can be modified to select parameters for each working areas, legends can be sorted automatically. So, the speed can be improved greatly, and the parameters can be identical. The software can complete the transition between Gauss coordinate and longitude-latitude coordinate, drawing points, frames by longitude-latitude, responsible form, plain diagram and profile, etc. The software also improves the way of clipping, topologizing, node catching methods. The application of the software indicates that it can improve the speed of geological mapping greatly, and can improve the standardized level of the final maps. (authors)

  7. DEVELOPMENT OF EMITTANCE ANALYSIS SOFTWARE FOR ION BEAM CHARACTERIZATION

    Energy Technology Data Exchange (ETDEWEB)

    Padilla, M. J.; Liu, Y.

    2007-01-01

    Transverse beam emittance is a crucial property of charged particle beams that describes their angular and spatial spread. It is a fi gure of merit frequently used to determine the quality of ion beams, the compatibility of an ion beam with a given beam transport system, and the ability to suppress neighboring isotopes at on-line mass separator facilities. Generally a high quality beam is characterized by a small emittance. In order to determine and improve the quality of ion beams used at the Holifi eld Radioactive Ion beam Facility (HRIBF) for nuclear physics and nuclear astrophysics research, the emittances of the ion beams are measured at the off-line Ion Source Test Facilities. In this project, emittance analysis software was developed to perform various data processing tasks for noise reduction, to evaluate root-mean-square emittance, Twiss parameters, and area emittance of different beam fractions. The software also provides 2D and 3D graphical views of the emittance data, beam profi les, emittance contours, and RMS. Noise exclusion is essential for accurate determination of beam emittance values. A Self-Consistent, Unbiased Elliptical Exclusion (SCUBEEx) method is employed. Numerical data analysis techniques such as interpolation and nonlinear fi tting are also incorporated into the software. The software will provide a simplifi ed, fast tool for comprehensive emittance analysis. The main functions of the software package have been completed. In preliminary tests with experimental emittance data, the analysis results using the software were shown to be accurate.

  8. Practical methods to improve the development of computational software

    International Nuclear Information System (INIS)

    Osborne, A. G.; Harding, D. W.; Deinert, M. R.

    2013-01-01

    The use of computation has become ubiquitous in science and engineering. As the complexity of computer codes has increased, so has the need for robust methods to minimize errors. Past work has show that the number of functional errors is related the number of commands that a code executes. Since the late 1960's, major participants in the field of computation have encouraged the development of best practices for programming to help reduce coder induced error, and this has lead to the emergence of 'software engineering' as a field of study. Best practices for coding and software production have now evolved and become common in the development of commercial software. These same techniques, however, are largely absent from the development of computational codes by research groups. Many of the best practice techniques from the professional software community would be easy for research groups in nuclear science and engineering to adopt. This paper outlines the history of software engineering, as well as issues in modern scientific computation, and recommends practices that should be adopted by individual scientific programmers and university research groups. (authors)

  9. A Roadmap to Continuous Integration for ATLAS Software Development

    Science.gov (United States)

    Elmsheuser, J.; Krasznahorkay, A.; Obreshkov, E.; Undrus, A.; ATLAS Collaboration

    2017-10-01

    The ATLAS software infrastructure facilitates efforts of more than 1000 developers working on the code base of 2200 packages with 4 million lines of C++ and 1.4 million lines of python code. The ATLAS offline code management system is the powerful, flexible framework for processing new package versions requests, probing code changes in the Nightly Build System, migration to new platforms and compilers, deployment of production releases for worldwide access and supporting physicists with tools and interfaces for efficient software use. It maintains multi-stream, parallel development environment with about 70 multi-platform branches of nightly releases and provides vast opportunities for testing new packages, for verifying patches to existing software and for migrating to new platforms and compilers. The system evolution is currently aimed on the adoption of modern continuous integration (CI) practices focused on building nightly releases early and often, with rigorous unit and integration testing. This paper describes the CI incorporation program for the ATLAS software infrastructure. It brings modern open source tools such as Jenkins and GitLab into the ATLAS Nightly System, rationalizes hardware resource allocation and administrative operations, provides improved feedback and means to fix broken builds promptly for developers. Once adopted, ATLAS CI practices will improve and accelerate innovation cycles and result in increased confidence in new software deployments. The paper reports the status of Jenkins integration with the ATLAS Nightly System as well as short and long term plans for the incorporation of CI practices.

  10. Development of output user interface software to support analysis

    Energy Technology Data Exchange (ETDEWEB)

    Wahanani, Nursinta Adi, E-mail: sintaadi@batan.go.id; Natsir, Khairina, E-mail: sintaadi@batan.go.id; Hartini, Entin, E-mail: sintaadi@batan.go.id [Center for Development of Nuclear Informatics - National Nuclear Energy Agency, PUSPIPTEK, Serpong, Tangerang, Banten (Indonesia)

    2014-09-30

    Data processing software packages such as VSOP and MCNPX are softwares that has been scientifically proven and complete. The result of VSOP and MCNPX are huge and complex text files. In the analyze process, user need additional processing like Microsoft Excel to show informative result. This research develop an user interface software for output of VSOP and MCNPX. VSOP program output is used to support neutronic analysis and MCNPX program output is used to support burn-up analysis. Software development using iterative development methods which allow for revision and addition of features according to user needs. Processing time with this software 500 times faster than with conventional methods using Microsoft Excel. PYTHON is used as a programming language, because Python is available for all major operating systems: Windows, Linux/Unix, OS/2, Mac, Amiga, among others. Values that support neutronic analysis are k-eff, burn-up and mass Pu{sup 239} and Pu{sup 241}. Burn-up analysis used the mass inventory values of actinide (Thorium, Plutonium, Neptunium and Uranium). Values are visualized in graphical shape to support analysis.

  11. Development of output user interface software to support analysis

    International Nuclear Information System (INIS)

    Wahanani, Nursinta Adi; Natsir, Khairina; Hartini, Entin

    2014-01-01

    Data processing software packages such as VSOP and MCNPX are softwares that has been scientifically proven and complete. The result of VSOP and MCNPX are huge and complex text files. In the analyze process, user need additional processing like Microsoft Excel to show informative result. This research develop an user interface software for output of VSOP and MCNPX. VSOP program output is used to support neutronic analysis and MCNPX program output is used to support burn-up analysis. Software development using iterative development methods which allow for revision and addition of features according to user needs. Processing time with this software 500 times faster than with conventional methods using Microsoft Excel. PYTHON is used as a programming language, because Python is available for all major operating systems: Windows, Linux/Unix, OS/2, Mac, Amiga, among others. Values that support neutronic analysis are k-eff, burn-up and mass Pu 239 and Pu 241 . Burn-up analysis used the mass inventory values of actinide (Thorium, Plutonium, Neptunium and Uranium). Values are visualized in graphical shape to support analysis

  12. Wellbore inertial navigation system (WINS) software development and test results

    Energy Technology Data Exchange (ETDEWEB)

    Wardlaw, R. Jr.

    1982-09-01

    The structure and operation of the real-time software developed for the Wellbore Inertial Navigation System (WINS) application are described. The procedure and results of a field test held in a 7000-ft well in the Nevada Test Site are discussed. Calibration and instrumentation error compensation are outlined, as are design improvement areas requiring further test and development. Notes on Kalman filtering and complete program listings of the real-time software are included in the Appendices. Reference is made to a companion document which describes the downhole instrumentation package.

  13. Development of interactive software for fuel management analysis

    International Nuclear Information System (INIS)

    Graves, H.W. Jr.

    1986-01-01

    Electronic computation plays a central part in engineering analysis of all types. Utilization of microcomputers for calculations that were formerly carried out on large mainframe computers presents a unique opportunity to develop software that not only takes advantage of the lower cost of using these machines, but also increases the efficiency of the engineers performing these calculations. This paper reviews the use of electronic computers in engineering analysis, discusses the potential for microcomputer utilization in this area, and describes a series of steps to be followed in software development that can yield significant gains in engineering design efficiency

  14. Programming for the Newton software development with NewtonScript

    CERN Document Server

    McKeehan, Julie

    1994-01-01

    Programming for the Newton: Software Development with NewtonScript focuses on the processes, approaches, operations, and principles involved in software development with NewtonScript.The publication first elaborates on Newton application design, views on the Newton, and protos. Discussions focus on system protos, creating and using user protos, linking and naming templates, creating the views of WaiterHelper, Newton application designs, and life cycle of an application. The text then elaborates on the fundamentals of NewtonScript, inheritance in NewtonScript, and view system and messages. Topi

  15. Solar Constant (SOLCON) Experiment: Ground Support Equipment (GSE) software development

    Science.gov (United States)

    Gibson, M. Alan; Thomas, Susan; Wilson, Robert

    1991-01-01

    The Solar Constant (SOLCON) Experiment, the objective of which is to determine the solar constant value and its variability, is scheduled for launch as part of the Space Shuttle/Atmospheric Laboratory for Application and Science (ATLAS) spacelab mission. The Ground Support Equipment (GSE) software was developed to monitor and analyze the SOLCON telemetry data during flight and to test the instrument on the ground. The design and development of the GSE software are discussed. The SOLCON instrument was tested during Davos International Solar Intercomparison, 1989 and the SOLCON data collected during the tests are analyzed to study the behavior of the instrument.

  16. Contract-oriented software development for internet services

    DEFF Research Database (Denmark)

    Giambiagi, Pablo; Owe, Olaf; Ravn, Anders Peter

    2008-01-01

    COSoDIS (Contract-Oriented Software Development for Internet Services) develops novel approaches to implement and reason about contracts in service oriented architectures (SOA). The rationale is that system developers benefit from abstraction mechanisms to work with these architectures. Therefore...... the goal is to design and test system modeling and programming language tools to empower SOA developers to deploy highly dynamic, negotiable and monitorable Internet services....

  17. International Collaboration in the Development of NPP Software

    International Nuclear Information System (INIS)

    Jiang, S.; Liu, L.; Yu, H.

    2015-01-01

    In this paper, we first review the progress and current status of international collaboration and technical exchange in the development of nuclear power plant (NPP) software by The State Nuclear Power Software Development Center (SNPSDC) in China. Then we discuss the importance of the international collaboration and exchange in the trend of globalisation of NPP technology. We also identify the role and contribution of professional women in this process. SNPSDC, the first professional software development centre for NPP in China, has been developing COSINE — a self-reliance NPP design and analysis software product with China brand—since 2010. Through participating in OECD/NEA’s joint projects, such as ROSA-2 Project, PKL–3 Project, HYMERES Project and ATLAS Project, SNPSDC shared data with other countries involved with respect to particular areas, such as high quality reactor thermal hydraulics test data. SNPSDC’s engineers have also been actively participating in international technical and research exchange for presenting their innovative work to the community while learning from peers. Our record shows that over 30 papers have been presented in international conferences with respect to nuclear reactor thermal hydraulics, safety analysis, reactor physics and software engineering within the past 4 years. The above international collaboration and technical exchange helped SNPSDC’s engineers to keep up with the state-of-art technology in this field. The large amount of valuable experimental data transferred to SNPSDC ensured the functionality, usability and reliability of software while greatly reduced the cost and shortened the cycle of development. Female engineers and other employees of SNPSDC either drove or got actively involved in a lot of aspects of the above collaboration and exchange, such as technical communication, business negotiation and overseas affairs management. These professional women played an irreplaceable role in this project by

  18. Application of software to development of reactor-safety codes

    International Nuclear Information System (INIS)

    Wilburn, N.P.; Niccoli, L.G.

    1980-09-01

    Over the past two-and-a-half decades, the application of new techniques has reduced hardware cost for digital computer systems and increased computational speed by several orders of magnitude. A corresponding cost reduction in business and scientific software development has not occurred. The same situation is seen for software developed to model the thermohydraulic behavior of nuclear systems under hypothetical accident situations. For all cases this is particularly noted when costs over the total software life cycle are considered. A solution to this dilemma for reactor safety code systems has been demonstrated by applying the software engineering techniques which have been developed over the course of the last few years in the aerospace and business communities. These techniques have been applied recently with a great deal of success in four major projects at the Hanford Engineering Development Laboratory (HEDL): 1) a rewrite of a major safety code (MELT); 2) development of a new code system (CONACS) for description of the response of LMFBR containment to hypothetical accidents, and 3) development of two new modules for reactor safety analysis

  19. Software development to support decommissioning and waste management strategic planning

    International Nuclear Information System (INIS)

    Williams, John; Warneford, Ian; Harrison, J.

    1997-01-01

    One of the components of the UKAEA's mission is to care for and, at the appropriate time, safely dismantle its radioactive facilities which are no longer in use. To assist in the development of an optimised strategy, AEA Technology was commissioned to produce decision support software. This paper describes the background to the development of the software, its key features and current status, and the lessons learnt during the development. The software, known as UKAEA SPS (Strategic Planning System), is a unique support software package that has been developed to assist in the planning of decommissioning and radioactive waste management. SPS models linked decommissioning and waste management strategies covering all of UKAEA's nuclear liabilities. It has been developed around the database package ACCESS, and runs on Pentium PCs; however, it has many of the features of project planning systems. Its principal outputs are costs, timings and utilisation data for the waste stores, processing facilities, transport and disposal operations displayed at any level of aggregation. This allows programme managers to see easily the effects of changing key parameters in a strategy under development. (author)

  20. Distributed Software Development with One Hand Tied Behind the Back

    DEFF Research Database (Denmark)

    Kuhrmann, Marco; Münch, Jürgen

    2016-01-01

    Software development consists to a large extent of human-based processes with continuously increasing demands regarding interdisciplinary team work. Understanding the dynamics of software teams can be seen as highly important to successful project execution. Hence, for future project managers......, knowledge about non-technical processes in teams is significant. In this paper, we present a course unit that provides an environment in which students can learn and experience the role of different communication patterns in distributed agile software development. In particular, students gain awareness...... in virtual teams. We provide a detailed design of the course unit to allow for implementation in further courses. Furthermore, we provide experiences obtained from implementing this course unit with 16 graduate students. We observed students struggling with technical aspects and team coordination in general...

  1. A roadmap to continuous integration for ATLAS software development

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00132984; The ATLAS collaboration; Elmsheuser, Johannes; Obreshkov, Emil; Krasznahorkay, Attila

    2017-01-01

    The ATLAS software infrastructure facilitates efforts of more than 1000 developers working on the code base of 2200 packages with 4 million C++ and 1.4 million python lines. The ATLAS offline code management system is the powerful, flexible framework for processing new package versions requests, probing code changes in the Nightly Build System, migration to new platforms and compilers, deployment of production releases for worldwide access and supporting physicists with tools and interfaces for efficient software use. It maintains multi-stream, parallel development environment with about 70 multi-platform branches of nightly releases and provides vast opportunities for testing new packages, for verifying patches to existing software and for migrating to new platforms and compilers. The system evolution is currently aimed on the adoption of modern continuous integration (CI) practices focused on building nightly releases early and often, with rigorous unit and integration testing. This paper describes the CI ...

  2. A Roadmap to Continuous Integration for ATLAS Software Development

    CERN Document Server

    Elmsheuser, Johannes; The ATLAS collaboration; Obreshkov, Emil; Undrus, Alexander

    2016-01-01

    The ATLAS software infrastructure facilitates efforts of more than 1000 developers working on the code base of 2200 packages with 4 million C++ and 1.4 million python lines. The ATLAS offline code management system is the powerful, flexible framework for processing new package versions requests, probing code changes in the Nightly Build System, migration to new platforms and compilers, deployment of production releases for worldwide access and supporting physicists with tools and interfaces for efficient software use. It maintains multi-stream, parallel development environment with about 70 multi-platform branches of nightly releases and provides vast opportunities for testing new packages, for verifying patches to existing software and for migrating to new platforms and compilers. The system evolution is currently aimed on the adoption of modern continuous integration (CI) practices focused on building nightly releases early and often, with rigorous unit and integration testing. This presentation describes t...

  3. Development of Software for Measurement and Analysis of Solar Radiation

    International Nuclear Information System (INIS)

    Mohamad Idris Taib; Abul Adli Anuar; Noor Ezati Shuib

    2015-01-01

    This software was under development using LabVIEW to be using with StellarNet spectrometers system with USB communication to computer. LabVIEW have capabilities in hardware interfacing, graphical user interfacing and mathematical calculation including array manipulation and processing. This software read data from StellarNet spectrometer in real-time and then processed for analysis. Several measurement of solar radiation and analysis have been done. Solar radiation involved mainly infra-red, visible light and ultra-violet. With solar radiation spectrum data, information of weather and suitability of plant can be gathered and analyzed. Furthermore, optimization of utilization and safety precaution of solar radiation can be planned. Using this software, more research and development in utilization and safety of solar radiation can be explored. (author)

  4. Development of the interface software for the Antarctic penetrator

    Directory of Open Access Journals (Sweden)

    Kazuo Shibuya

    2005-11-01

    Full Text Available We have developed PC-based interface software which controls ground system segments (GSSs of the Antarctic penetrator through an automatic data collection system onboard a helicopter. A pen-touch panel was developed for easy operation. There are six basic functions in the interface software; GSS time synchronization", make schedule file", send schedule file", GSS time calibration", data read-out", and sleep". The sleep command enables us to cut off the radio transmitter/receiver to save power during a pre-determined period. After execution of each command, log files are saved automatically. In order to monitor processing by eye, a bar graph appears during execution of time synchronization" and data read-out". As for malfunctioning encountered during the 43rd Japanese Antarctic Research Expedition, the related software bugs were identified and the codes were rewritten.

  5. Calibration of Ground-based Lidar instrument

    DEFF Research Database (Denmark)

    Yordanova, Ginka; Gómez Arranz, Paula

    This report presents the result of the lidar calibration performed for the given Ground-based Lidar at DTU’s test site for large wind turbines at Høvsøre, Denmark. Calibration is here understood as the establishment of a relation between the reference wind speed measurements with measurement...... uncertainties provided by measurement standard and corresponding lidar wind speed indications with associated measurement uncertainties. The lidar calibration concerns the 10 minute mean wind speed measurements. The comparison of the lidar measurements of the wind direction with that from wind vanes...

  6. The Relationship of Personality Models and Development Tasks in Software Engineering

    OpenAIRE

    Wiesche, Manuel;Krcmar, Helmut

    2015-01-01

    Understanding the personality of software developers has been an ongoing topic in software engineering research. Software engineering researchers applied different theoretical models to understand software developers? personalities to better predict software developers? performance, orchestrate more effective and motivated teams, and identify the person that fits a certain job best. However, empirical results were found as contradicting, challenging validity, and missing guidance for IT perso...

  7. Developing Teaching Material Software Assisted for Numerical Methods

    Science.gov (United States)

    Handayani, A. D.; Herman, T.; Fatimah, S.

    2017-09-01

    The NCTM vision shows the importance of two things in school mathematics, which is knowing the mathematics of the 21st century and the need to continue to improve mathematics education to answer the challenges of a changing world. One of the competencies associated with the great challenges of the 21st century is the use of help and tools (including IT), such as: knowing the existence of various tools for mathematical activity. One of the significant challenges in mathematical learning is how to teach students about abstract concepts. In this case, technology in the form of mathematics learning software can be used more widely to embed the abstract concept in mathematics. In mathematics learning, the use of mathematical software can make high level math activity become easier accepted by student. Technology can strengthen student learning by delivering numerical, graphic, and symbolic content without spending the time to calculate complex computing problems manually. The purpose of this research is to design and develop teaching materials software assisted for numerical method. The process of developing the teaching material starts from the defining step, the process of designing the learning material developed based on information obtained from the step of early analysis, learners, materials, tasks that support then done the design step or design, then the last step is the development step. The development of teaching materials software assisted for numerical methods is valid in content. While validator assessment for teaching material in numerical methods is good and can be used with little revision.

  8. Custom software development for use in a clinical laboratory.

    Science.gov (United States)

    Sinard, John H; Gershkovich, Peter

    2012-01-01

    In-house software development for use in a clinical laboratory is a controversial issue. Many of the objections raised are based on outdated software development practices, an exaggeration of the risks involved, and an underestimation of the benefits that can be realized. Buy versus build analyses typically do not consider total costs of ownership, and unfortunately decisions are often made by people who are not directly affected by the workflow obstacles or benefits that result from those decisions. We have been developing custom software for clinical use for over a decade, and this article presents our perspective on this practice. A complete analysis of the decision to develop or purchase must ultimately examine how the end result will mesh with the departmental workflow, and custom-developed solutions typically can have the greater positive impact on efficiency and productivity, substantially altering the decision balance sheet. Involving the end-users in preparation of the functional specifications is crucial to the success of the process. A large development team is not needed, and even a single programmer can develop significant solutions. Many of the risks associated with custom development can be mitigated by a well-structured development process, use of open-source tools, and embracing an agile development philosophy. In-house solutions have the significant advantage of being adaptable to changing departmental needs, contributing to efficient and higher quality patient care.

  9. Empirical Studies on the Use of Social Software in Global Software Development - a Systematic Mapping Study

    DEFF Research Database (Denmark)

    Giuffrida, Rosalba; Dittrich, Yvonne

    2013-01-01

    of empirical studies on the usage of SoSo are available in related fields, there exists no comprehensive overview of what has been investigated to date across them. Objective: The aim of this review is to map empirical studies on the usage of SoSo in Software Engineering projects and in distributed teams...... for collaborative work, fostering awareness, knowledge management and coordination among team members. Contrary to the evident high importance of the social aspects offered by SoSo, socialization is not the most important usage reported. Conclusions: This review reports how SoSo is used in GSD and how it is capable...... of supporting GSD teams. Four emerging themes in global software engineering were identified: the appropriation and development of usage structures; understanding how an ecology of communication channels and tools are used by teams; the role played by SoSo either as a subtext or as an explicit goal; and finally...

  10. Software development tools for the CDF MX scanner

    Energy Technology Data Exchange (ETDEWEB)

    Stuermer, W.; Turner, K.; Littleton-Sestini, S.

    1991-11-01

    This paper discuses the design of the high level assembler and diagnostic control program developed for the MX, a high speed, custom designed computer used in the CDF data acquisition system at Fermilab. These programs provide a friendly productive environment for the development of software on the MX. Details of their implementation and special features, and some of the lessons learned during their development are included.

  11. Software development tools for the CDF MX scanner

    International Nuclear Information System (INIS)

    Stuermer, W.; Turner, K.; Littleton-Sestini, S.

    1991-11-01

    This paper discuses the design of the high level assembler and diagnostic control program developed for the MX, a high speed, custom designed computer used in the CDF data acquisition system at Fermilab. These programs provide a friendly productive environment for the development of software on the MX. Details of their implementation and special features, and some of the lessons learned during their development are included

  12. A Posteriori Integration of University CAPE Software Developments

    DEFF Research Database (Denmark)

    Tolksdorf, Gregor; Fillinger, Sandra; Wozny, Guenter

    2015-01-01

    This contribution deals with the mutual integration of existing CAPE software products developed at different universities in Germany, Denmark, and Italy. After the motivation MOSAIC is presented as the bridge building the connection between the modelling tool ICAS-MoT and the numerical processin...

  13. Object Oriented Software Development Using A Use-Cases Approach

    African Journals Online (AJOL)

    This paper presents a systematic approach to the analysis and design of an online banking system using the Use-Cases method of Jacobson. This analysis and design method will support the development of highly effective reuseable code, thus bringing the benefits of object orientation into important software projects.

  14. Open Crowdsourcing: Leveraging Community Software Developers for IT Projects

    Science.gov (United States)

    Phair, Derek

    2012-01-01

    This qualitative exploratory single-case study was designed to examine and understand the use of volunteer community participants as software developers and other project related roles, such as testers, in completing a web-based application project by a non-profit organization. This study analyzed the strategic decision to engage crowd…

  15. Worldwide collaborative efforts in plasma control software development

    International Nuclear Information System (INIS)

    Penaflor, B.G.; Ferron, J.R.; Walker, M.L.; Humphreys, D.A.; Leuer, J.A.; Piglowski, D.A.; Johnson, R.D.; Xiao, B.J.; Hahn, S.H.; Gates, D.A.

    2008-01-01

    This presentation will describe the DIII-D collaborations with various tokamak experiments throughout the world which have adapted custom versions of the DIII-D plasma control system (PCS) software for their own use. Originally developed by General Atomics for use on the DIII-D tokamak, the PCS has been successfully installed and used for the NSTX experiment in Princeton, the MAST experiment in Culham UK, the EAST experiment in China, and the Pegasus experiment in the University of Wisconsin. In addition to these sites, a version of the PCS is currently being developed for use by the KSTAR tokamak in Korea. A well-defined and robust PCS software infrastructure has been developed to provide a common foundation for implementing the real-time data acquisition and feedback control codes. The PCS infrastructure provides a flexible framework that has allowed the PCS to be easily adapted to fulfill the unique needs of each site. The software has also demonstrated great flexibility in allowing for different computing, data acquisition and real-time networking hardware to be used. A description of the current PCS software architecture will be given along with experiences in developing and supporting the various PCS installations throughout the world

  16. The Babel of software development : linguistic diversity in open source

    NARCIS (Netherlands)

    Vasilescu, B.N.; Serebrenik, A.; Brand, van den M.G.J.; Jatowt, A.; Lim, E.-P.; Ding, Y.

    2013-01-01

    Open source software (OSS) development communities are typically very specialised, on the one hand, and experience high turnover, on the other. Combination of specialization and turnover can cause parts of the system implemented in a certain programming language to become unmaintainable, if

  17. On the use of DEA for software development productivity measurement

    DEFF Research Database (Denmark)

    Asmild, Mette; Imperatore, Francisco

    2016-01-01

    This paper first, based on a thorough review of the relevant literature, provides a general discussion of some of the many aspects one should consider when using Data Envelopment Analysis (DEA) to measure the efficiency of software development. It then contains a case study which investigates a few...

  18. Metrics-based control in outsourced software development projects

    NARCIS (Netherlands)

    Ponisio, Laura; van Eck, Pascal

    2012-01-01

    Measurements have been recognised as vital instruments to improve control in outsourced software development projects. However, project managers are still struggling with the design and implementation of effective measurement programs. One reason for this is that although there is a large body of

  19. Improving Reuse in Software Development for the Life Sciences

    Science.gov (United States)

    Iannotti, Nicholas V.

    2013-01-01

    The last several years have seen unprecedented advancements in the application of technology to the life sciences, particularly in the area of data generation. Novel scientific insights are now often driven primarily by software development supporting new multidisciplinary and increasingly multifaceted data analysis. However, despite the…

  20. Industry best practices for the software development life cycle

    Science.gov (United States)

    2007-11-01

    In the area of software development, there are many different views of what constitutes a best practice. The goal of this project was to identify a set of industry best practice techniques that fit the needs of the Montana Department of Transportatio...

  1. Problem Solving Frameworks for Mathematics and Software Development

    Science.gov (United States)

    McMaster, Kirby; Sambasivam, Samuel; Blake, Ashley

    2012-01-01

    In this research, we examine how problem solving frameworks differ between Mathematics and Software Development. Our methodology is based on the assumption that the words used frequently in a book indicate the mental framework of the author. We compared word frequencies in a sample of 139 books that discuss problem solving. The books were grouped…

  2. The Economics of Open Source Software Development: An Introduction

    DEFF Research Database (Denmark)

    Schröder, Philipp J.H.; Bitzer, Jürgen

    2006-01-01

    This chapter introduces the fundamentals of Open Source Software, its nature, the central economic aspects and the key mechanisms of its development. Furthermore, we present the themes of the book and provide a first overview for the reader by giving short summaries of its chapters....

  3. Development of data acquisition and analysis software for multichannel detectors

    International Nuclear Information System (INIS)

    Chung, Y.

    1988-06-01

    This report describes the development of data acquisition and analysis software for Apple Macintosh computers, capable of controlling two multichannel detectors. With the help of outstanding graphics capabilities, easy-to-use user interface, and several other built-in convenience features, this application has enhanced the productivity and the efficiency of data analysis. 2 refs., 6 figs

  4. Exploring Coordination Structures in Open Source Software Development

    NARCIS (Netherlands)

    van Hillegersberg, Jos; Harmsen, Frank; Hegeman, J.H.; Amrit, Chintan Amrit; Geisberger, Eva; Keil, Patrick; Kuhrmann, Marco

    2007-01-01

    Coordination is difficult to achieve in a large globally distributed project setting. The problem is multiplied in open source software development projects, where most of the traditional means of coordination such as plans, system-level designs, schedules and defined process are not used. In order

  5. The development of an e-learning software, ''Technical ethics''

    International Nuclear Information System (INIS)

    Matsue, Kazuki; Madarame, Haruki; Okamoto, Koji

    2004-01-01

    For the engineers and researchers, it is coming to the time when they are asked not only technical progress but also their ethics view. In this study, I aim to develop of the education software ''Technical Ethics'', which cultivates ethics view of the engineers. (author)

  6. Development of Flexible Software Process Lines with Variability Operations

    DEFF Research Database (Denmark)

    Dohrmann, Patrick; Schramm, Joachim; Kuhrmann, Marco

    2016-01-01

    the development of flexible software process lines. Method: We conducted a longitudinal study in which we studied 5 variants of the V-Modell XT process line for 2 years. Results: Our results show the variability operation instrument feasible in practice. We analyzed 616 operation exemplars addressing various...

  7. Development and implementation of own software for dosimetry multichannel film

    International Nuclear Information System (INIS)

    Jimenez Feltstrom, D.; Reyes Garcia, R.; Luis Simon, F. J.; Carrasco Herrera, M.; Sanchez Carmona, G.; Herrador Cordoba, M.

    2013-01-01

    The objective of this work is to develop its own software for multichannel film dosimetry Radiochromic EBT2. Compare the results obtained with its use in multichannel and single-channel dosimetry. Check that the multi-channel dosimetry eliminates much of the artifacts caused by dirt, fingerprints, scratches, etc. Radiochromic in film and scanner devices. (Author)

  8. The Development of an Analyses-Intensive Software for Improved ...

    African Journals Online (AJOL)

    The computer-aided software developed in this research work is used in designing cam systems by generating various follower motions and cam profiles. It is highly suited for extensive dynamics, kinematics and geometric design analysis based on some inherent features that are unique. The plate cam with either flat-face ...

  9. Contribution to the development of a simulation software ...

    African Journals Online (AJOL)

    The present work is to develop software to predict the value yield and the distribution coefficient in the process of liquid-liquid extraction of components of a mixture, from mathematical models expressing these entities, based on equations equilibrium between liquid-liquid phases, and predict the conditions under which the ...

  10. QFD Application to a Software - Intensive System Development Project

    Science.gov (United States)

    Tran, T. L.

    1996-01-01

    This paper describes the use of Quality Function Deployment (QFD), adapted to requirements engineering for a software-intensive system development project, and sysnthesizes the lessons learned from the application of QFD to the Network Control System (NCS) pre-project of the Deep Space Network.

  11. Annotated Bibliography on Human Factors in Software Development

    Science.gov (United States)

    1979-06-01

    THE HISTORY IS AN ANALYSIS OF THE IMPACT OF SACH DECISION O THE SOFTWARE DEVELOPED FOR THF SYSTEM A4 0D ON THE LIFE -CYCLE Of THE SOFTWARE. FINALLY, A...BUT NOT ITS SIZE. WE ALLOCATE RESOURCES (COSTS) OVER THE PROJECT’S LIFE CYCLE FROM THE STRUCTURAL FORECASTS. JUDGMENT, TECHNICAL KNOWLEDGE, AND... UIVERSITY , UXBRIDGE, ENGLAND 337, 339 BUREAU OF THE CENSUS, WASHINGTON, DC M99 5URR3UGHS CORP., GOLETA, CA 28 CAINE, FA*PER, X GORDON, INC. 146 CA•RdIDGE

  12. Development of a programming model for radiation-resistant software

    International Nuclear Information System (INIS)

    Eichhorn, G.; Piercey, R.B.

    1984-01-01

    The adverse effects of ionizing radiation on microelectronic systems include cumulative dosage effects, single-event upsets (SEU's) and latch-up. Most frequent, especially when the radiation environment includes heavy ions, are SEU's. Unfortunately SEU's are difficult to detect since they can be read (in RAM or ROM) as valid addresses. They can however be handled in software by proper techniques. The authors refer to their method as MRS - Maximally Redundant Software. The MRS programming model which the authors are developing uses multiply redundant boot blocks, majority voting, periodic refresh, and error recovery techniques to minimize the deleterious effects of SEU's. 1 figure

  13. Developing an Open Source Option for NASA Software

    Science.gov (United States)

    Moran, Patrick J.; Parks, John W. (Technical Monitor)

    2003-01-01

    We present arguments in favor of developing an Open Source option for NASA software; in particular we discuss how Open Source is compatible with NASA's mission. We compare and contrast several of the leading Open Source licenses, and propose one - the Mozilla license - for use by NASA. We also address some of the related issues for NASA with respect to Open Source. In particular, we discuss some of the elements in the External Release of NASA Software document (NPG 2210.1A) that will likely have to be changed in order to make Open Source a reality withm the agency.

  14. Space weather effects on ground based technology

    Science.gov (United States)

    Clark, T.

    Space weather can affect a variety of forms of ground-based technology, usually as a result of either the direct effects of the varying geomagnetic field, or as a result of the induced electric field that accompanies such variations. Technologies affected directly by geomagnetic variations include magnetic measurements made d ringu geophysical surveys, and navigation relying on the geomagnetic field as a direction reference, a method that is particularly common in the surveying of well-bores in the oil industry. The most obvious technology affected by induced electric fields during magnetic storms is electric power transmission, where the example of the blackout in Quebec during the March 1989 magnetic storm is widely known. Additionally, space weather effects must be taken into account in the design of active cathodic protection systems on pipelines to protect them against corrosion. Long-distance telecommunication cables may also have to be designed to cope with space weather related effects. This paper reviews the effects of space weather in these different areas of ground-based technology, and provides examples of how mitigation against hazards may be achieved. (The paper does not include the effects of space weather on radio communication or satellite navigation systems).

  15. An Introduction to Flight Software Development: FSW Today, FSW 2010

    Science.gov (United States)

    Gouvela, John

    2004-01-01

    Experience and knowledge gained from ongoing maintenance of Space Shuttle Flight Software and new development projects including Cockpit Avionics Upgrade are applied to projected needs of the National Space Exploration Vision through Spiral 2. Lessons learned from these current activities are applied to create a sustainable, reliable model for development of critical software to support Project Constellation. This presentation introduces the technologies, methodologies, and infrastructure needed to produce and sustain high quality software. It will propose what is needed to support a Vision for Space Exploration that places demands on the innovation and productivity needed to support future space exploration. The technologies in use today within FSW development include tools that provide requirements tracking, integrated change management, modeling and simulation software. Specific challenges that have been met include the introduction and integration of Commercial Off the Shelf (COTS) Real Time Operating System for critical functions. Though technology prediction has proved to be imprecise, Project Constellation requirements will need continued integration of new technology with evolving methodologies and changing project infrastructure. Targets for continued technology investment are integrated health monitoring and management, self healing software, standard payload interfaces, autonomous operation, and improvements in training. Emulation of the target hardware will also allow significant streamlining of development and testing. The methodologies in use today for FSW development are object oriented UML design, iterative development using independent components, as well as rapid prototyping . In addition, Lean Six Sigma and CMMI play a critical role in the quality and efficiency of the workforce processes. Over the next six years, we expect these methodologies to merge with other improvements into a consolidated office culture with all processes being guided by

  16. Open Online Research: Developing Software and Method for Collaborative Interpretation

    Directory of Open Access Journals (Sweden)

    Christian Bröer

    2016-09-01

    Full Text Available Inspired by the potentials of web-based collaboration, in 2014, a group of social scientists, students and information specialists started tinkering with software and methodology for open online collaborative research. The results of their research led to a gathering of academics at the #ethnography Conference Amsterdam 2014, where new material was collected, shared and collaboratively interpreted. Following the conference, they continued to develop software and methodology. In this contribution, we report on the aims, methodology, inspiring examples, caveats and results from testing several prototypes of open online research software. We conclude that open online collaborative interpretation is both feasible and desirable. Dialogue and reflexivity, we hold, are able to transcend separated perspectives and stimulate agreement on a set of distinct interpretations; they simultaneously respect the multiplicity of understandings of social phenomena whilst bringing order into this diversity. URN: http://nbn-resolving.de/urn:nbn:de:0114-fqs160327

  17. Development of an intelligent ultrasonic welding defect classification software

    International Nuclear Information System (INIS)

    Song, Sung Jin; Kim, Hak Joon; Jeong, Hee Don

    1997-01-01

    Ultrasonic pattern recognition is the most effective approach to the problem of discriminating types of flaws in weldments based on ultrasonic flaw signals. In spite of significant progress in the research on this methodology, it has not been widely used in many practical ultrasonic inspections of weldments in industry. Hence, for the convenient application of this approach in many practical situations, we develop an intelligent ultrasonic signature classification software which can discriminate types of flaws in weldments based on their ultrasonic signals using various tools in artificial intelligence such as neural networks. This software shows the excellent performance in an experimental problem where flaws in weldments are classified into two categories of cracks and non-cracks. This performance demonstrates the high possibility of this software as a practical tool for ultrasonic flaw classification in weldments.

  18. Increasing the impact of usability work in software development

    DEFF Research Database (Denmark)

    Uldall-Espersen, Tobias; Frøkjær, Erik

    2006-01-01

    Usability, Case Study, Software Engineering, Software Quality, Organizational Impact, Usability Requirement Management, CHI 2007 workshop......Usability, Case Study, Software Engineering, Software Quality, Organizational Impact, Usability Requirement Management, CHI 2007 workshop...

  19. Biogem: an effective tool based approach for scaling up open source software development in bioinformatics

    NARCIS (Netherlands)

    Bonnal, R.J.P.; Smant, G.; Prins, J.C.P.

    2012-01-01

    Biogem provides a software development environment for the Ruby programming language, which encourages community-based software development for bioinformatics while lowering the barrier to entry and encouraging best practices. Biogem, with its targeted modular and decentralized approach, software

  20. COSTMODL - AN AUTOMATED SOFTWARE DEVELOPMENT COST ESTIMATION TOOL

    Science.gov (United States)

    Roush, G. B.

    1994-01-01

    The cost of developing computer software consumes an increasing portion of many organizations' budgets. As this trend continues, the capability to estimate the effort and schedule required to develop a candidate software product becomes increasingly important. COSTMODL is an automated software development estimation tool which fulfills this need. Assimilating COSTMODL to any organization's particular environment can yield significant reduction in the risk of cost overruns and failed projects. This user-customization capability is unmatched by any other available estimation tool. COSTMODL accepts a description of a software product to be developed and computes estimates of the effort required to produce it, the calendar schedule required, and the distribution of effort and staffing as a function of the defined set of development life-cycle phases. This is accomplished by the five cost estimation algorithms incorporated into COSTMODL: the NASA-developed KISS model; the Basic, Intermediate, and Ada COCOMO models; and the Incremental Development model. This choice affords the user the ability to handle project complexities ranging from small, relatively simple projects to very large projects. Unique to COSTMODL is the ability to redefine the life-cycle phases of development and the capability to display a graphic representation of the optimum organizational structure required to develop the subject project, along with required staffing levels and skills. The program is menu-driven and mouse sensitive with an extensive context-sensitive help system that makes it possible for a new user to easily install and operate the program and to learn the fundamentals of cost estimation without having prior training or separate documentation. The implementation of these functions, along with the customization feature, into one program makes COSTMODL unique within the industry. COSTMODL was written for IBM PC compatibles, and it requires Turbo Pascal 5.0 or later and Turbo

  1. Integrating HCI Specialists into Open Source Software Development Projects

    Science.gov (United States)

    Hedberg, Henrik; Iivari, Netta

    Typical open source software (OSS) development projects are organized around technically talented developers, whose communication is based on technical aspects and source code. Decision-making power is gained through proven competence and activity in the project, and non-technical end-user opinions are too many times neglected. In addition, also human-computer interaction (HCI) specialists have encountered difficulties in trying to participate in OSS projects, because there seems to be no clear authority and responsibility for them. In this paper, based on HCI and OSS literature, we introduce an extended OSS development project organization model that adds a new level of communication and roles for attending human aspects of software. The proposed model makes the existence of HCI specialists visible in the projects, and promotes interaction between developers and the HCI specialists in the course of a project.

  2. Real-time Control Mediation in Agile Distributed Software Development

    DEFF Research Database (Denmark)

    Persson, John Stouby; Aaen, Ivan; Mathiassen, Lars

    2008-01-01

    Agile distributed environments pose particular challenges related to control of quality and collaboration in software development. Moreover, while face-to-face interaction is fundamental in agile development, distributed environments must rely extensively on mediated interactions. On this backdrop...... control was mediated over distance by technology through real-time exchanges. Contrary to previous research, the analysis suggests that both formal and informal elements of real-time mediated control were used; that evolving goals and adjustment of expectations were two of the main issues in real......-time mediated control exchanges; and, that the actors, despite distances in space and culture, developed a clan-like pattern mediated by technology to help control quality and collaboration in software development....

  3. Selecting a software development methodology. [of digital flight control systems

    Science.gov (United States)

    Jones, R. E.

    1981-01-01

    The state of the art analytical techniques for the development and verification of digital flight control software is studied and a practical designer oriented development and verification methodology is produced. The effectiveness of the analytic techniques chosen for the development and verification methodology are assessed both technically and financially. Technical assessments analyze the error preventing and detecting capabilities of the chosen technique in all of the pertinent software development phases. Financial assessments describe the cost impact of using the techniques, specifically, the cost of implementing and applying the techniques as well as the relizable cost savings. Both the technical and financial assessment are quantitative where possible. In the case of techniques which cannot be quantitatively assessed, qualitative judgements are expressed about the effectiveness and cost of the techniques. The reasons why quantitative assessments are not possible will be documented.

  4. Requisite Information Collaboration and Distributed Knowledge Management in Software Development

    DEFF Research Database (Denmark)

    Petersen, Mogens K.; Bjørn, Pernille; Frank, L.

    distributed knowledge management product state models. The paper draws upon a series of discussion with Scandinavian IT Group (SIG). With an interest in how performance in their new organization develops SIG invited the research group to study measures of organizational performance and the use and effect...... of knowledge management tools in software development. The paper does not represent the viewpoint of SIG but outline our framework and major research questions....

  5. A Software Development Simulation Model of a Spiral Process

    OpenAIRE

    Carolyn Mizell; Linda Malone

    2009-01-01

    This paper will present a discrete event simulation model of a spiral development lifecycle that can be used to analyze cost and schedule effects of using such a process in comparison to a waterfall process. There is a need for simulation models of software development processes other than the waterfall due to new processes becoming more widely used in order to overcome the limitations of the traditional waterfall lifecycle. The use of a spiral process can make the inherently difficult job of...

  6. Self-service for software development projects and HPC activities

    International Nuclear Information System (INIS)

    Husejko, M; Høimyr, N; Gonzalez, A; Koloventzos, G; Asbury, D; Trzcinska, A; Agtzidis, I; Botrel, G; Otto, J

    2014-01-01

    This contribution describes how CERN has implemented several essential tools for agile software development processes, ranging from version control (Git) to issue tracking (Jira) and documentation (Wikis). Running such services in a large organisation like CERN requires many administrative actions both by users and service providers, such as creating software projects, managing access rights, users and groups, and performing tool-specific customisation. Dealing with these requests manually would be a time-consuming task. Another area of our CERN computing services that has required dedicated manual support has been clusters for specific user communities with special needs. Our aim is to move all our services to a layered approach, with server infrastructure running on the internal cloud computing infrastructure at CERN. This contribution illustrates how we plan to optimise the management of our of services by means of an end-user facing platform acting as a portal into all the related services for software projects, inspired by popular portals for open-source developments such as Sourceforge, GitHub and others. Furthermore, the contribution will discuss recent activities with tests and evaluations of High Performance Computing (HPC) applications on different hardware and software stacks, and plans to offer a dynamically scalable HPC service at CERN, based on affordable hardware.

  7. Toward an Agile Approach to Managing the Effect of Requirements on Software Architecture during Global Software Development

    OpenAIRE

    Alsahli, Abdulaziz; Khan, Hameed; Alyahya, Sultan

    2016-01-01

    Requirement change management (RCM) is a critical activity during software development because poor RCM results in occurrence of defects, thereby resulting in software failure. To achieve RCM, efficient impact analysis is mandatory. A common repository is a good approach to maintain changed requirements, reusing and reducing effort. Thus, a better approach is needed to tailor knowledge for better change management of requirements and architecture during global software development (GSD).The o...

  8. Design and development of virtual TXP control system software

    International Nuclear Information System (INIS)

    Wang Yunwei; Leng Shan; Liu Zhisheng; Wang Qiang; Shang Yanxia

    2008-01-01

    Taking distributed control system (DCS) of Siemens TELEPERM-XP (TXP) as the simulation object,Virtual TXP (VTXP) control system based on Virtual DCS with high fidelity and reliability was designed and developed on the platform of Windows. In the process of development, the method of object-oriented modeling and modularization program design are adopted, C++ language and technologies such as multithreading, ActiveX control, Socket network communication are used, to realize the wide range dynamic simulation and recreate the functions of the hardware and software of real TXP. This paper puts emphasis on the design and realization of Control server and Communication server. The development of Virtual TXP control system software is with great effect on the construction of simulation system and the design, commission, verification and maintenance of control system in large-scale power plants, nuclear power plants and combined cycle power plants. (authors)

  9. Software Development Process Changes in the Telecommunications Industry

    Directory of Open Access Journals (Sweden)

    John Kevin Doyle

    2006-06-01

    Full Text Available The tremendous changes in the telecommunications business in the last several years drove changes in the software development processes of telecommunications equipment providers. We compare changes in these very large projects, in two companies, with those proposed in the Theory of Constraints / Critical Chains, Extreme Programming, and Agile development models. The 2000s have been a time of significant challenge in the telecommunications equipment business. Telecommunications service providers have excess equipment capacity. Many are waiting for next generation telephone switches that will simultaneously lower operating costs and enable additional revenue generation. The large service providers have drastically reduced their capital and expense purchases. Many small service providers, particularly the dot-coms, went bankrupt; much of their equipment is on the secondary market, at a fraction of the original cost. Thus the equipment market has significantly shrunk, and the equipment providers have been reducing expenses, while continuing to deliver software and hardware equipment at the high quality level required by the service providers. This drove many changes in the software development process. While the process changes are reported in two telecommunication equipment development organizations, the changes are applicable in any product development organization.

  10. Advancing Software Development for a Multiprocessor System-on-Chip

    Directory of Open Access Journals (Sweden)

    Stephen Bique

    2007-06-01

    Full Text Available A low-level language is the right tool to develop applications for some embedded systems. Notwithstanding, a high-level language provides a proper environment to develop the programming tools. The target device is a system-on-chip consisting of an array of processors with only local communication. Applications include typical streaming applications for digital signal processing. We describe the hardware model and stress the advantages of a flexible device. We introduce IDEA, a graphical integrated development environment for an array. A proper foundation for software development is a UML and standard programming abstractions in object-oriented languages.

  11. Model for Simulating a Spiral Software-Development Process

    Science.gov (United States)

    Mizell, Carolyn; Curley, Charles; Nayak, Umanath

    2010-01-01

    A discrete-event simulation model, and a computer program that implements the model, have been developed as means of analyzing a spiral software-development process. This model can be tailored to specific development environments for use by software project managers in making quantitative cases for deciding among different software-development processes, courses of action, and cost estimates. A spiral process can be contrasted with a waterfall process, which is a traditional process that consists of a sequence of activities that include analysis of requirements, design, coding, testing, and support. A spiral process is an iterative process that can be regarded as a repeating modified waterfall process. Each iteration includes assessment of risk, analysis of requirements, design, coding, testing, delivery, and evaluation. A key difference between a spiral and a waterfall process is that a spiral process can accommodate changes in requirements at each iteration, whereas in a waterfall process, requirements are considered to be fixed from the beginning and, therefore, a waterfall process is not flexible enough for some projects, especially those in which requirements are not known at the beginning or may change during development. For a given project, a spiral process may cost more and take more time than does a waterfall process, but may better satisfy a customer's expectations and needs. Models for simulating various waterfall processes have been developed previously, but until now, there have been no models for simulating spiral processes. The present spiral-process-simulating model and the software that implements it were developed by extending a discrete-event simulation process model of the IEEE 12207 Software Development Process, which was built using commercially available software known as the Process Analysis Tradeoff Tool (PATT). Typical inputs to PATT models include industry-average values of product size (expressed as number of lines of code

  12. Development Of Data Acquisition Software For Centralized Radiation Monitoring System

    International Nuclear Information System (INIS)

    Nolida Yussup; Maslina Mohd Ibrahim; Mohd Fauzi Haris; Syirrazie Che Soh; Harzawardi Hasim; Azraf Azman; Mohd Ashhar Khalid

    2014-01-01

    Nowadays, with the growth of technology, many devices and equipment's can be connected to the network and internet to enable online data acquisition. Centralized radiation monitoring system utilizes a Local Area Network (LAN) as a communication media for data acquisition of the area radiation levels from radiation detectors in Malaysian Nuclear Agency (Nuclear Malaysia). The development of the system involves device configuration, wiring, network and hardware installation, software and web development. This paper describes the software development on the system server that is responsible to acquire and record the area radiation readings from the detectors. Then the recorded readings are called in a web programming to be displayed on a web site. The readings with the time stamp are stored in the system database for query. Besides acquiring the area radiation levels in Nuclear Malaysia centrally, additional features such as data conversion from mR to μSv and line chart display are developed in the software for effective radiation level trend observation and studies. (author)

  13. Estimation of Remained defects in a Safety-Critical Software using Bayesian Belief Network of Software Development Life Cycle

    International Nuclear Information System (INIS)

    Lee, Seung Jun; Jung, Wondea Jung

    2015-01-01

    Some researchers recognized Bayesian belief network (BBN) method to be a promising method of quantifying software reliability. Brookhaven National Laboratory (BNL) comprehensively reviewed various quantitative software reliability methods to identify the most promising methods for use in probabilistic safety assessments (PSAs) of digital systems of NPPs against a set of the most desirable characteristics developed therein. BBNs are recognized as a promising way of quantifying software reliability and are useful for integrating many aspects of software engineering and quality assurance. The method explicitly incorporates important factors relevant to reliability, such as the quality of the developer, the development process, problem complexity, testing effort, and the operation environment. In this work, a BBN model was developed to estimate the number of remained defects in a safety-critical software based on the quality evaluation of software development life cycle (SDLC). Even though a number of software reliability evaluation methods exist, none of them can be applicable to the safety-critical software in an NPP because software quality in terms of PDF is required for the PSA

  14. Software safety analysis techniques for developing safety critical software in the digital protection system of the LMR

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Jang Soo; Cheon, Se Woo; Kim, Chang Hoi; Sim, Yun Sub

    2001-02-01

    This report has described the software safety analysis techniques and the engineering guidelines for developing safety critical software to identify the state of the art in this field and to give the software safety engineer a trail map between the code and standards layer and the design methodology and documents layer. We have surveyed the management aspects of software safety activities during the software lifecycle in order to improve the safety. After identifying the conventional safety analysis techniques for systems, we have surveyed in details the software safety analysis techniques, software FMEA(Failure Mode and Effects Analysis), software HAZOP(Hazard and Operability Analysis), and software FTA(Fault Tree Analysis). We have also surveyed the state of the art in the software reliability assessment techniques. The most important results from the reliability techniques are not the specific probability numbers generated, but the insights into the risk importance of software features. To defend against potential common-mode failures, high quality, defense-in-depth, and diversity are considered to be key elements in digital I and C system design. To minimize the possibility of CMFs and thus increase the plant reliability, we have provided D-in-D and D analysis guidelines.

  15. Software safety analysis techniques for developing safety critical software in the digital protection system of the LMR

    International Nuclear Information System (INIS)

    Lee, Jang Soo; Cheon, Se Woo; Kim, Chang Hoi; Sim, Yun Sub

    2001-02-01

    This report has described the software safety analysis techniques and the engineering guidelines for developing safety critical software to identify the state of the art in this field and to give the software safety engineer a trail map between the code and standards layer and the design methodology and documents layer. We have surveyed the management aspects of software safety activities during the software lifecycle in order to improve the safety. After identifying the conventional safety analysis techniques for systems, we have surveyed in details the software safety analysis techniques, software FMEA(Failure Mode and Effects Analysis), software HAZOP(Hazard and Operability Analysis), and software FTA(Fault Tree Analysis). We have also surveyed the state of the art in the software reliability assessment techniques. The most important results from the reliability techniques are not the specific probability numbers generated, but the insights into the risk importance of software features. To defend against potential common-mode failures, high quality, defense-in-depth, and diversity are considered to be key elements in digital I and C system design. To minimize the possibility of CMFs and thus increase the plant reliability, we have provided D-in-D and D analysis guidelines

  16. An integrated infrastructure in support of software development

    International Nuclear Information System (INIS)

    Antonelli, S; Bencivenni, M; De Girolamo, D; Giacomini, F; Longo, S; Manzali, M; Veraldi, R; Zani, S

    2014-01-01

    This paper describes the design and the current state of implementation of an infrastructure made available to software developers within the Italian National Institute for Nuclear Physics (INFN) to support and facilitate their daily activity. The infrastructure integrates several tools, each providing a well-identified function: project management, version control system, continuous integration, dynamic provisioning of virtual machines, efficiency improvement, knowledge base. When applicable, access to the services is based on the INFN-wide Authentication and Authorization Infrastructure. The system is being installed and progressively made available to INFN users belonging to tens of sites and laboratories and will represent a solid foundation for the software development efforts of the many experiments and projects that see the involvement of the Institute. The infrastructure will be beneficial especially for small- and medium-size collaborations, which often cannot afford the resources, in particular in terms of know-how, needed to set up such services.

  17. Development of virtual hands using animation software and graphical modelling

    International Nuclear Information System (INIS)

    Oliveira, Erick da S.; Junior, Alberico B. de C.

    2016-01-01

    The numerical dosimetry uses virtual anthropomorphic simulators to represent the human being in computational framework and thus assess the risks associated with exposure to a radioactive source. With the development of computer animation software, the development of these simulators was facilitated using only knowledge of human anatomy to prepare various types of simulators (man, woman, child and baby) in various positions (sitting, standing, running) or part thereof (head, trunk and limbs). These simulators are constructed by loops of handling and due to the versatility of the method, one can create various geometries irradiation was not possible before. In this work, we have built an exhibition of a radiopharmaceutical scenario manipulating radioactive material using animation software and graphical modeling and anatomical database. (author)

  18. Development of piping support structure design software based on PDMS

    International Nuclear Information System (INIS)

    Tang Yongtao; Guan Hui; Su Rongfu; Huang Wei; Mao Huihui

    2014-01-01

    In order to enhance the efficiency of nuclear power process system piping support design, the veracity of interface with support, piping and anchor, and decrease the clash between supports and other disciplines, developed piping support structure design software NPHS based on PDMS independently. That achieved the seamless integration of PDMS and NPHS by method of embedded development, reduce the size of program code, improve the running efficiency; That predigested the 3D modeling and information storage for support parts, that increased the support database opening and maintenance using the special mechanism and configuration of database. The support modeling efficiency due to setting of the connection key point of support parts is improved. Practices in several real nuclear power projects proved that NPHS software is provided with such outstanding performances: quick running, strong stability, accurate data, easy to operate and maintain, and output results satisfied the engineering requirements. (authors)

  19. Modeling and managing risk early in software development

    Science.gov (United States)

    Briand, Lionel C.; Thomas, William M.; Hetmanski, Christopher J.

    1993-01-01

    In order to improve the quality of the software development process, we need to be able to build empirical multivariate models based on data collectable early in the software process. These models need to be both useful for prediction and easy to interpret, so that remedial actions may be taken in order to control and optimize the development process. We present an automated modeling technique which can be used as an alternative to regression techniques. We show how it can be used to facilitate the identification and aid the interpretation of the significant trends which characterize 'high risk' components in several Ada systems. Finally, we evaluate the effectiveness of our technique based on a comparison with logistic regression based models.

  20. Agile Software Development in Defense Acquisition: A Mission Assurance Perspective

    Science.gov (United States)

    2012-03-23

    based information retrieval system, we might say that this program works like a hive of bees , going out for pollen and bringing it back to the hive...developers ® Six Siqma is reqistered in the U. S. Patent and Trademark Office by Motorola ^_ 33 @ AEROSPACE Major Areas in a Typical Software...requirements - Capturing and evaluating quality metrics, identifying common problem areas **» Despite its positive impact on quality, pair programming

  1. Development of Software to Model AXAF-I Image Quality

    Science.gov (United States)

    Ahmad, Anees; Hawkins, Lamar

    1996-01-01

    This draft final report describes the work performed under the delivery order number 145 from May 1995 through August 1996. The scope of work included a number of software development tasks for the performance modeling of AXAF-I. A number of new capabilities and functions have been added to the GT software, which is the command mode version of the GRAZTRACE software, originally developed by MSFC. A structural data interface has been developed for the EAL (old SPAR) finite element analysis FEA program, which is being used by MSFC Structural Analysis group for the analysis of AXAF-I. This interface utility can read the structural deformation file from the EAL and other finite element analysis programs such as NASTRAN and COSMOS/M, and convert the data to a suitable format that can be used for the deformation ray-tracing to predict the image quality for a distorted mirror. There is a provision in this utility to expand the data from finite element models assuming 180 degrees symmetry. This utility has been used to predict image characteristics for the AXAF-I HRMA, when subjected to gravity effects in the horizontal x-ray ground test configuration. The development of the metrology data processing interface software has also been completed. It can read the HDOS FITS format surface map files, manipulate and filter the metrology data, and produce a deformation file, which can be used by GT for ray tracing for the mirror surface figure errors. This utility has been used to determine the optimum alignment (axial spacing and clocking) for the four pairs of AXAF-I mirrors. Based on this optimized alignment, the geometric images and effective focal lengths for the as built mirrors were predicted to cross check the results obtained by Kodak.

  2. Development of a software of VMAT delivery using EPID

    International Nuclear Information System (INIS)

    Arumugam, Sankar; Xing, Aitang; Jameson, Michael; Holloway, Lois; Goozee, Gary

    2011-01-01

    Full text: Volumetric Modulated Arc Therapy (VMAT) is more complex than standard IMRT, requiring new methodology to evaluate delivery accuracy. Here, we present the development of methodology and a software tool to perform control point based verification of VMAT delivery using an EPID. Individual segment dose comparison allows the verification of VMAT deli very accuracy for individual control-points. An in-house software tool was developed to predict the individual segment dose as measured by EPID for Pinnacle (Philips) generated VMAT plans. The VMAT plans were delivered using an Elekta-synergy accelerator and the segment doses were measured using EPID. A normalised dose comparison of measured and predicted doses was performed using gamma analysis with 3% dose tolerance and 3 mm DTA. The sensitivity of the proposed methodology in detecting delivery errors was studied by delivering a standard intensity pattern with a preset dose error of 4 and 5% in two of its eight control-points. Four clinical plans were also tested using this methodology. The developed software accurately predicts the EPID dose by considering all possible leaf trajectories in VMAT delivery. The mean gamma value and percentage of pixels exceeding the gamma tolerance for a segment with and without delivery errors are shown in Table. From the tabulated values it is evident that the proposed methodology is sensitive in detecting delivery errors above 3% tolerance level. The clinical plans were successfully validated showing a maximum 2.5% of pixels exceeding gamma tolerance. Methodology and a software were successfully developed to perform control-point validation of VMAT delivery using an EPID. Set error in Delivery (%) Mean gamma value% of pixels exceeding Gamma tolerance 0 0.40 1.240.5417.050.6221.8.

  3. A Software Development Simulation Model of a Spiral Process

    Science.gov (United States)

    Mizell, Carolyn; Malone, Linda

    2007-01-01

    There is a need for simulation models of software development processes other than the waterfall because processes such as spiral development are becoming more and more popular. The use of a spiral process can make the inherently difficult job of cost and schedule estimation even more challenging due to its evolutionary nature, but this allows for a more flexible process that can better meet customers' needs. This paper will present a discrete event simulation model of spiral development that can be used to analyze cost and schedule effects of using such a process in comparison to a waterfall process.

  4. Active Involvement of Software Developers in Usability Engineering

    DEFF Research Database (Denmark)

    Bornoe, Nis; Stage, Jan

    2017-01-01

    The essence of usability evaluations is to produce feedback that supports the downstream utility so the interaction design can be improved and problems can be fixed. In practice, software development organizations experience several obstacles for conducting usability engineering. One suggested...... approach is to train and involve developers in all phases of usability activities from evaluations, to problem reporting, and making redesign proposals. Only limited work has previously investigated the impact of actively involving developers in usability engineering. In this paper, we present two small......, and problem fixing. At the organizational level, we found that the attitude towards and understanding of the role of usability engineering improved....

  5. Development of remote control software for multiformat test signal generator

    Directory of Open Access Journals (Sweden)

    Gao Yang

    2017-01-01

    Full Text Available The multi format test signal generator mentioned in this paper is the video signal generator named TG8000 produced by Tektronix Company. I will introduce the function about remote control for signal generator, how to connect the computer to the instrument, and how to remote control. My topic uses my computer to connect the instrument through the 10/100/1000 BASE-T port on the rear panel of TG8000. Then I write program to transmit SCPI (Standard Commands for Programmable Instruments to control TG8000. The application is running on the Windows operating system, the programming language is C#, development environment is Microsoft Visual Studio 2010, using the TCP/IP protocol based on Socket. And the method of remote control refers to the application called TGSetup which is developed by Tektronix Company. This paper includes a brief summary of the basic principle, and introduce for details about the process of remote control software development, and how to use my software. In the end, I will talk about the advantages of my software compared with another one.

  6. Development of a dose simulation software for gamma irradiation systems

    International Nuclear Information System (INIS)

    Omi, Nelson Minoru

    2000-01-01

    The use of high temperature, thermal and chemical treatment are among the used sterilization process of food and many products. The ionizing radiation came as another option, it has being used for many purposes and it became available due to the technological development in the second half of the 20 th century. Together with sterilization, many uses of the ionizing radiation were developed, such as applications on health, industrial products and waste recycling, food irradiation, vulcanizing, polymerization and gems color enhancing. The 60 Co gamma stands out among the used radiation sources on commercial facilities. lt is used to optimize this process with many dose mapping tests. The objective of this work is to develop a software to simulate the doses in 60 Co gamma irradiation systems. lt can be used to optimize a process on the project stage of a facility and to make viability studies for new applications in installations already set up. The validation of this software was done comparing the simulation results with the dosimetry data of an operating irradiation plant. The flexibility of the software was verified with extra dosimetry tests performed in another sterilization facility. (author)

  7. Rapid Software Development for Experiment Control at OPAL

    International Nuclear Information System (INIS)

    Hathaway, P.V.; Lam, Tony; Franceschini, Ferdi; Hauser, Nick; Rayner, Hugh

    2005-01-01

    Full text: ANSTO is undertaking the parallel development of instrument control and graphical experiment interface software for seven neutron beam instruments at OPAL. Each instrument poses several challenges for a common system solution, including custom detector interfaces, a range of motion and beamline optics schema, and a spectrum of online data reduction requirements. To provide a superior system with the least development effort, the computing team have adopted proven, configurable, server-based control software (SICS)1., a highly Integrated Scientific Experimental Environment (GumTree)2. and industry-standard database management systems. The resulting graphical interfaces allow operation in a familiar experiment domain, with monitoring of data and parameters independent of control system specifics. GumTree presents the experimenter with a consistent interface for experiment management, instrument control and data reduction tasks. The facility instrument scientists can easily reconfigure instruments and add ancillaries. The user community can expect a reduced learning curve for performing each experiment. GumTree can be installed anywhere for pre-experiment familiarisation, postprocessing of acquired data sets, and integration with third party analysis tools. Instrument scientists are seeing faster software development iterations and have a solid basis to prepare for the next suite of instruments. 1. SICS from PSI (lns00.psi.ch). 2. GumTree (gumtree.sourceforge.net), new site: http://gumtree.sourceforge.net/wiki/index.php/Main_Page

  8. Verification and Validation in a Rapid Software Development Process

    Science.gov (United States)

    Callahan, John R.; Easterbrook, Steve M.

    1997-01-01

    The high cost of software production is driving development organizations to adopt more automated design and analysis methods such as rapid prototyping, computer-aided software engineering (CASE) tools, and high-level code generators. Even developers of safety-critical software system have adopted many of these new methods while striving to achieve high levels Of quality and reliability. While these new methods may enhance productivity and quality in many cases, we examine some of the risks involved in the use of new methods in safety-critical contexts. We examine a case study involving the use of a CASE tool that automatically generates code from high-level system designs. We show that while high-level testing on the system structure is highly desirable, significant risks exist in the automatically generated code and in re-validating releases of the generated code after subsequent design changes. We identify these risks and suggest process improvements that retain the advantages of rapid, automated development methods within the quality and reliability contexts of safety-critical projects.

  9. Inequalities in Open Source Software Development: Analysis of Contributor's Commits in Apache Software Foundation Projects.

    Science.gov (United States)

    Chełkowski, Tadeusz; Gloor, Peter; Jemielniak, Dariusz

    2016-01-01

    While researchers are becoming increasingly interested in studying OSS phenomenon, there is still a small number of studies analyzing larger samples of projects investigating the structure of activities among OSS developers. The significant amount of information that has been gathered in the publicly available open-source software repositories and mailing-list archives offers an opportunity to analyze projects structures and participant involvement. In this article, using on commits data from 263 Apache projects repositories (nearly all), we show that although OSS development is often described as collaborative, but it in fact predominantly relies on radically solitary input and individual, non-collaborative contributions. We also show, in the first published study of this magnitude, that the engagement of contributors is based on a power-law distribution.

  10. A cloud based model to facilitate software development uutsourcing to globally distributed locations

    OpenAIRE

    Hashmi, Sajid Ibrahim; Richardson, Ita

    2013-01-01

    peer-reviewed Outsourcing is an essential part of global software development and entails software development distributed across geographical borders. More specifically, it deals with software development teams dispersed across multiple geographical locations to carry out software development activities. By means of this business model, organizations expect to benefit from enhanced corporate value through advantages such as round the clock software development, availability of skills and ...

  11. Software Development for Asteroid and Variable Star Research

    Science.gov (United States)

    Sweckard, Teaghen; Clason, Timothy; Kenney, Jessica; Wuerker, Wolfgang; Palser, Sage; Giles, Tucker; Linder, Tyler; Sanchez, Richard

    2018-01-01

    The process of collecting and analyzing light curves from variable stars and asteroids is almost identical. In 2016 a collaboration was created to develop a simple fundamental way to study both asteroids and variable stars using methods that would allow the process to be repeated by middle school and high school students.Using robotic telescopes at Cerro Tololo (Chile), Yerkes Observatory (US), and Stone Edge Observatory (US) data were collected on RV Del and three asteroids. It was discovered that the only available software program which could be easily installed on lab computers was MPO Canopus. However, after six months it was determined that MPO Canopus was not an acceptable option because of the steep learning curve, lack of documentation and technical support.Therefore, the project decided that the best option was to design our own python based software. Using python and python libraries we developed code that can be used for photometry and can be easily changed to the user's needs. We accomplished this by meeting with our mentor astronomer, Tyler Linder, and in the beginning wrote two different programs, one for asteroids and one for variable stars. In the end, though, we chose to combine codes so that the program would be capable of performing photometry for both moving and static objects.The software performs differential photometry by comparing the magnitude of known reference stars to the object being studied. For asteroids, the image timestamps are used to obtain ephemeris of the asteroid from JPL Horizons automatically.

  12. STAMPS: development and verification of swallowing kinematic analysis software.

    Science.gov (United States)

    Lee, Woo Hyung; Chun, Changmook; Seo, Han Gil; Lee, Seung Hak; Oh, Byung-Mo

    2017-10-17

    Swallowing impairment is a common complication in various geriatric and neurodegenerative diseases. Swallowing kinematic analysis is essential to quantitatively evaluate the swallowing motion of the oropharyngeal structures. This study aims to develop a novel swallowing kinematic analysis software, called spatio-temporal analyzer for motion and physiologic study (STAMPS), and verify its validity and reliability. STAMPS was developed in MATLAB, which is one of the most popular platforms for biomedical analysis. This software was constructed to acquire, process, and analyze the data of swallowing motion. The target of swallowing structures includes bony structures (hyoid bone, mandible, maxilla, and cervical vertebral bodies), cartilages (epiglottis and arytenoid), soft tissues (larynx and upper esophageal sphincter), and food bolus. Numerous functions are available for the spatiotemporal parameters of the swallowing structures. Testing for validity and reliability was performed in 10 dysphagia patients with diverse etiologies and using the instrumental swallowing model which was designed to mimic the motion of the hyoid bone and the epiglottis. The intra- and inter-rater reliability tests showed excellent agreement for displacement and moderate to excellent agreement for velocity. The Pearson correlation coefficients between the measured and instrumental reference values were nearly 1.00 (P software is expected to be useful for researchers who are interested in the swallowing motion analysis.

  13. Integrated risk assessment for spent fuel transportation using developed software

    International Nuclear Information System (INIS)

    Yun, Mi Rae; Christian, Robby; Kim, Bo Gyung; Almomani, Belal; Ham, Jae Hyun; Kang, Gook Hyun; Lee, Sang hoon

    2016-01-01

    As on-site spent fuel storage meets limitation of their capacity, spent fuel need to be transported to other place. In this research, risk of two ways of transportation method, maritime transportation and on-site transportation, and interim storage facility were analyzed. Easier and integrated risk assessment for spent fuel transportation will be possible by applying this software. Risk assessment for spent fuel transportation has not been researched and this work showed a case for analysis. By using this analysis method and developed software, regulators can get some insights for spent fuel transportation. For example, they can restrict specific region for preventing ocean accident and also they can arrange spend fuel in interim storage facility avoiding most risky region which have high risk from aircraft engine shaft. Finally, they can apply soft material on the floor for specific stage for on-site transportation. In this software, because we targeted Korea, we need to use Korean reference data. However, there were few Korean reference data. Especially, there was no food chain data for Korean ocean. In MARINRAD, they used steady state food chain model, but it is far from reality. Therefore, to get Korean realistic reference data, dynamic food chain model for Korean ocean need to be developed

  14. Assessing ergonomic risks of software: Development of the SEAT.

    Science.gov (United States)

    Peres, S Camille; Mehta, Ranjana K; Ritchey, Paul

    2017-03-01

    Software utilizing interaction designs that require extensive dragging or clicking of icons may increase users' risks for upper extremity cumulative trauma disorders. The purpose of this research is to develop a Self-report Ergonomic Assessment Tool (SEAT) for assessing the risks of software interaction designs and facilitate mitigation of those risks. A 28-item self-report measure was developed by combining and modifying items from existing industrial ergonomic tools. Data were collected from 166 participants after they completed four different tasks that varied by method of input (touch or keyboard and mouse) and type of task (selecting or typing). Principal component analysis found distinct factors associated with stress (i.e., demands) and strain (i.e., response). Repeated measures analyses of variance showed that participants could discriminate the different strain induced by the input methods and tasks. However, participants' ability to discriminate between the stressors associated with that strain was mixed. Further validation of the SEAT is necessary but these results indicate that the SEAT may be a viable method of assessing ergonomics risks presented by software design. Copyright © 2016 Elsevier Ltd. All rights reserved.

  15. Integrated risk assessment for spent fuel transportation using developed software

    Energy Technology Data Exchange (ETDEWEB)

    Yun, Mi Rae; Christian, Robby; Kim, Bo Gyung; Almomani, Belal; Ham, Jae Hyun; Kang, Gook Hyun [KAIST, Daejeon (Korea, Republic of); Lee, Sang hoon [Keimyung University, Daegu (Korea, Republic of)

    2016-05-15

    As on-site spent fuel storage meets limitation of their capacity, spent fuel need to be transported to other place. In this research, risk of two ways of transportation method, maritime transportation and on-site transportation, and interim storage facility were analyzed. Easier and integrated risk assessment for spent fuel transportation will be possible by applying this software. Risk assessment for spent fuel transportation has not been researched and this work showed a case for analysis. By using this analysis method and developed software, regulators can get some insights for spent fuel transportation. For example, they can restrict specific region for preventing ocean accident and also they can arrange spend fuel in interim storage facility avoiding most risky region which have high risk from aircraft engine shaft. Finally, they can apply soft material on the floor for specific stage for on-site transportation. In this software, because we targeted Korea, we need to use Korean reference data. However, there were few Korean reference data. Especially, there was no food chain data for Korean ocean. In MARINRAD, they used steady state food chain model, but it is far from reality. Therefore, to get Korean realistic reference data, dynamic food chain model for Korean ocean need to be developed.

  16. [Development of integrated support software for clinical nutrition].

    Science.gov (United States)

    Siquier Homar, Pedro; Pinteño Blanco, Manel; Calleja Hernández, Miguel Ángel; Fernández Cortés, Francisco; Martínez Sotelo, Jesús

    2015-09-01

    to develop an integrated computer software application for specialized nutritional support, integrated in the electronic clinical record, which detects automatically and early those undernourished patients or at risk of developing undernourishment, determining points of opportunity for improvement and evaluation of the results. the quality standards published by the Nutrition Work Group of the Spanish Society of Hospital Pharmacy (SEFH) and the recommendations by the Pharmacy Group of the Spanish Society of Parenteral and Enteral Nutrition (SENPE) have been taken into account. According to these quality standards, the nutritional support has to include the following healthcare stages or sub-processes: nutritional screening, nutritional assessment, plan for nutritional care, prescription, preparation and administration. this software allows to conduct, in an automated way, a specific nutritional assessment for those patients with nutritional risk, implementing, if necessary, a nutritional treatment plan, conducting follow-up and traceability of outcomes derived from the implementation of improvement actions, and quantifying to what extent our practice is close to the established standard. this software allows to standardize the specialized nutritional support from a multidisciplinary point of view, introducing the concept of quality control per processes, and including patient as the main customer. Copyright AULA MEDICA EDICIONES 2014. Published by AULA MEDICA. All rights reserved.

  17. Development of integrated support software for clinical nutrition

    Directory of Open Access Journals (Sweden)

    Pedro Siquier Homar

    2015-09-01

    Full Text Available Objectives: to develop an integrated computer software application for specialized nutritional support, integrated in the electronic clinical record, which detects automatically and early those undernourished patients or at risk of developing undernourishment, determining points of opportunity for improvement and evaluation of the results. Methods: the quality standards published by the Nutrition Work Group of the Spanish Society of Hospital Pharmacy (SEFH and the recommendations by the Pharmacy Group of the Spanish Society of Parenteral and Enteral Nutrition (SENPE have been taken into account. According to these quality standards, the nutritional support has to include the following healthcare stages or sub-processes: nutritional screening, nutritional assessment, plan for nutritional care, prescription, preparation and administration. Results: this software allows to conduct, in an automated way, a specific nutritional assessment for those patients with nutritional risk, implementing, if necessary, a nutritional treatment plan, conducting follow-up and traceability of outcomes derived from the implementation of improvement actions, and quantifying to what extent our practice is close to the established standard. Conclusions: this software allows to standardize the specialized nutritional support from a multidisciplinary point of view, introducing the concept of quality control per processes, and including patient as the main customer

  18. Development of Hardware and Software for Automated Ultrasonic Testing

    International Nuclear Information System (INIS)

    Choi, Sung Nam; Lee, Hee Jong; Yang, Seung Ok

    2012-01-01

    Nondestructive testing (NDT) for the construction and operating of NPPs plays an important role in confirming the integrity of the NPPs. Especially, Automated ultrasonic testing (AUT) is one of the primary nondestructive examination methods for in-service inspection of the welding parts in major components in NPPs. AUT is a reliable nondestructive testing because the data of AUT are saved and reviewed with other examiners. Korea Hydro and Nuclear Power-Central Research Institute (KHNP-CRI) has developed an automated ultrasonic testing (AUT) system based on a high speed pulser-receiver. In combination with the designed software and hardware architecture, this new system permits user configurations for a wide range of user-specific applications through fully automated inspections using compact portable systems with up to eight channels. This paper gives an overview of hardware (H/W) and software (S/W) for the AUT system to inspect welds in NPPs

  19. Spaceport Command and Control System Automated Verification Software Development

    Science.gov (United States)

    Backus, Michael W.

    2017-01-01

    For as long as we have walked the Earth, humans have always been explorers. We have visited our nearest celestial body and sent Voyager 1 beyond our solar system1 out into interstellar space. Now it is finally time for us to step beyond our home and onto another planet. The Spaceport Command and Control System (SCCS) is being developed along with the Space Launch System (SLS) to take us on a journey further than ever attempted. Within SCCS are separate subsystems and system level software, each of which have to be tested and verified. Testing is a long and tedious process, so automating it will be much more efficient and also helps to remove the possibility of human error from mission operations. I was part of a team of interns and full-time engineers who automated tests for the requirements on SCCS, and with that was able to help verify that the software systems are performing as expected.

  20. Software development kit for a compact cryo-refrigerator

    Science.gov (United States)

    Gardiner, J.; Hamilton, J.; Lawton, J.; Knight, K.; Wilson, A.; Spagna, S.

    2017-12-01

    This paper introduces a Software Development Kit (SDK) that enables the creation of custom software applications that automate the control of a cryo-refrigerator (Quantum Design model GA-1) in third party instruments. A remote interface allows real time tracking and logging of critical system diagnostics such as pressures, temperatures, valve states and run modes. The helium compressor scroll capsule speed and Gifford-McMahon (G-M) cold head speed can be manually adjusted over a serial communication line via a CAN interface. This configuration optimizes cooling power, while reducing wear on moving components thus extending service life. Additionally, a proportional speed control mode allows for automated throttling of speeds based on temperature or pressure feedback from a 3rd party device. Warm up and cool down modes allow 1st and 2nd stage temperatures to be adjusted without the use of external heaters.