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Sample records for acquisition system based

  1. PC based 8-parameter data acquisition system

    Multiparameter data acquisition (MPA) systems which analyse nuclear events with respect to more than one property of the event are essential tools for the study of some complex nuclear phenomena requiring analysis of time coincident spectra. For better throughput and accuracy each parameter is digitized by its own ADC. A stand alone low cost IBM PC based 8-parameter data acquisition system developed by the authors makes use of Address Recording technique for acquiring data from eight 12 bit ADC's in the PC Memory. Two memory buffers in the PC memory are used in ping-pong fashion so that data acquisition in one bank and dumping of data onto PC disk from the other bank can proceed simultaneously. Data is acquired in the PC memory through DMA mode for realising high throughput and hardware interrupt is used for switching banks for data acquisition. A comprehensive software package developed in Turbo-Pascal offers a set of menu-driven interactive commands to the user for setting-up system parameters and control of the system. The system is to be used with pelletron accelerator. (author). 5 figs

  2. A WBAN based cableless ECG acquisition system.

    Pan, Rui; Chua, Dingjuan; Pathmasuntharam, Jaya Shankar; Xu, Yong Ping

    2014-01-01

    A Wireless Body Area Network (WBAN) based 3-lead cableless electrocardiography (ECG) acquisition system is described. To enable truly cableless ECG monitoring, a new ECG measurement configuration and method that acquires ECG signals at individual lead locations referenced to a localized ground is proposed. The synthesized ECG signals are evaluated against the standard wired 3-lead configuration on the same test subject. Average Pearson correlation coefficients of 0.82, 0.95 and 0.86 have been achieved for Lead I, II and III signals respectively, demonstrating a high degree of similarity in the synthesized signals. Measurements are obtained via a custom wireless network platform utilizing a TDMA-based MAC protocol supporting the star topology and a proprietary front-end ECG acquisition system. PMID:25570107

  3. Optoelectronic date acquisition system based on FPGA

    Li, Xin; Liu, Chunyang; Song, De; Tong, Zhiguo; Liu, Xiangqing

    2015-11-01

    An optoelectronic date acquisition system is designed based on FPGA. FPGA chip that is EP1C3T144C8 of Cyclone devices from Altera corporation is used as the centre of logic control, XTP2046 chip is used as A/D converter, host computer that communicates with the date acquisition system through RS-232 serial communication interface are used as display device and photo resistance is used as photo sensor. We use Verilog HDL to write logic control code about FPGA. It is proved that timing sequence is correct through the simulation of ModelSim. Test results indicate that this system meets the design requirement, has fast response and stable operation by actual hardware circuit test.

  4. Microprocessor (INTEL 8085) based data acquisition system

    A data acquisition system for nuclear pulse analysis using a powerful 8-bit microprocessor viz. Intel 8085 has been described. The system has Seiko printer and Floopy disk drive as peripherals besides having a built-in CRT for spectral and parametric display viz. cursor position, data, live time, integration etc. Modularity and system architecture leaves scope for upgradation. (author)

  5. WMN-based city traffic information acquisition system

    2007-01-01

    Traffic information acquisition system is an essential part of the intelligent transportation system (ITS). This paper presents a novel traffic information acquisition system, i.e., a dynamic traffic information acquisition system based on wireless mesh networks (WMN). The system comprises of probe vehicles and wireless mesh networks. Compared to the conventional systems, it is independent of other network infrastructures and easy to implement. It can acquire the real-time traffic information correctly with lower cost.

  6. Nuclear spectrometry data acquisition system based on LabVIEW

    The whole process of designing nuclear spectrometry data acquisition system was particularized with LabVIEW and data acquisition board, based on virtual instrument technology. It can analyze the output of the radiation detector and give the height spectrum by the method of the continuous real-time data acquisition and the abstraction of pulse signal amplitude. The simple test shows that this system can meet the demand, and it can be easily expanded according to the situation. (authors)

  7. A laboratory data acquisition system based on digital oscilloscope

    Using a VXI-11 protocol based on digital oscilloscope, a laboratory-oriented data acquisition system could be constructed quickly and expediently without special or standard electronics. The authors used it in single muon calibration of scintillator detectors. (authors)

  8. Data acquisition system based on PXI-5105 scope card

    The data acquisition and analysis system for the detector system test of the proton-induced spallation (PISA) experimental project was developed based on PXI-5105 scope card. The maximum sample rate of the system can be up to 60 M/s, and it can capture the width of the order of microsecond waveform signals. The system was controlled by using a user-friendly graphical interface (GUI) on a Windows XP operation system. The online display and analysis code were based on the ROOT framework. The tests show that the system is reliable. The maximum data acquisition rate of 50 MB/s is achieved. (authors)

  9. ARM Processor Based Embedded System for Remote Data Acquisition

    Raj Kumar Tiwari

    2014-01-01

    Full Text Available The embedded systems are widely used for the data acquisition. The data acquired may be used for monitoring various activity of the system or it can be used to control the parts of the system. Accessing various signals with remote location has greater advantage for multisite operation or unmanned systems. The remote data acquisition used in this paper is based on ARM processor. The Cortex M3 processor used in this system has in-built Ethernet controller which facilitate to acquire the remote data using internet. The system developed provides high performance, low power consumption, smaller size {&} high speed

  10. Microcontroller based data acquisition system for silicon photomultiplier detectors

    Silicon photomultpiliers are robust, low voltage sensors capable of measuring low light levels. They are well suited for use in a cosmic ray detector using scintillator embedded with wavelength shifting fibre, designed for lab based and high altitude cosmic ray experiments. The development of such a detector, using an ARM Cortex M3 microcontroller based data acquisition system is discussed.

  11. Development of data acquisition software for VME based system

    A data acquisition system for VME has been developed for use in accelerator based experiments. The development was motivated by the growing demand for higher throughput in view of the increasing size of experiments. VME based data acquisition system provides a powerful alternative to CAMAC standards on account of higher readout speeds (100 ns/word) resulting in reduced dead time. Further, high density VME modules are capable of providing up to 640 channels in a single VME crate with 21 slots. The software system LAMPS, earlier developed for CAMAC based system and used extensively in our laboratory and elsewhere has been modified for the present VME based system. The system makes use of the VME library to implement Chain Block Transfer Readout (CBLT) and gives the option of both Polling and Interrupt mode to acquire data. Practical throughput of ∼ 250 ns/word in zero suppressed mode has been achieved. (author)

  12. The implement of java based GUI for data acquisition system

    Web based technique have been used to produce a Graphic User Interface framework for small Data Acquisition System. A CORBA library used for the communication with the JRCS servers. The GUI was implemented by Java Swing. the integration between Java and CORBA provide a powerful independent distributed environment. (authors)

  13. The wireless data acquisition system based on Bluetooth

    Cheng, En; Xu, Xiao-na; Wu, Si-long

    2013-03-01

    Bluetooth is one of the wireless communication technology, which is developing rapidly in recent years. As a result of low cost and short distance, Bluetooth can set up a special connection for portable electronic devices and stationary electronic equipment communication environment. The paper studies a data acquisition system based on Bluetooth. The system can collect the angle of motor rotation and send it to the Receiver through the Bluetooth. The results show that the system can be run normal.[1

  14. Multifunctional data acquisition system based on USB and FPGA

    A multifunctional data acquisition system based on USB and FPGA was developed. The system has four analog inputs digitalized by fast ADC. Based on flexibility of FPGA, different functions can be implemented such as waveform sampling, pulse counting, multi-channel pulse height analysis, and charge division readout process. The hardware communicates with host PC via USB interface. The Labview based user soft ware initializes the hardware, configures the running parameters, reads and processes the data as well as displays the result online. (authors)

  15. A personal computer-based, multitasking data acquisition system

    Bailey, Steven A.

    1990-01-01

    A multitasking, data acquisition system was written to simultaneously collect meteorological radar and telemetry data from two sources. This system is based on the personal computer architecture. Data is collected via two asynchronous serial ports and is deposited to disk. The system is written in both the C programming language and assembler. It consists of three parts: a multitasking kernel for data collection, a shell with pull down windows as user interface, and a graphics processor for editing data and creating coded messages. An explanation of both system principles and program structure is presented.

  16. Simulation Based Acquisition for NASA's Office of Exploration Systems

    Hale, Joe

    2004-01-01

    In January 2004, President George W. Bush unveiled his vision for NASA to advance U.S. scientific, security, and economic interests through a robust space exploration program. This vision includes the goal to extend human presence across the solar system, starting with a human return to the Moon no later than 2020, in preparation for human exploration of Mars and other destinations. In response to this vision, NASA has created the Office of Exploration Systems (OExS) to develop the innovative technologies, knowledge, and infrastructures to explore and support decisions about human exploration destinations, including the development of a new Crew Exploration Vehicle (CEV). Within the OExS organization, NASA is implementing Simulation Based Acquisition (SBA), a robust Modeling & Simulation (M&S) environment integrated across all acquisition phases and programs/teams, to make the realization of the President s vision more certain. Executed properly, SBA will foster better informed, timelier, and more defensible decisions throughout the acquisition life cycle. By doing so, SBA will improve the quality of NASA systems and speed their development, at less cost and risk than would otherwise be the case. SBA is a comprehensive, Enterprise-wide endeavor that necessitates an evolved culture, a revised spiral acquisition process, and an infrastructure of advanced Information Technology (IT) capabilities. SBA encompasses all project phases (from requirements analysis and concept formulation through design, manufacture, training, and operations), professional disciplines, and activities that can benefit from employing SBA capabilities. SBA capabilities include: developing and assessing system concepts and designs; planning manufacturing, assembly, transport, and launch; training crews, maintainers, launch personnel, and controllers; planning and monitoring missions; responding to emergencies by evaluating effects and exploring solutions; and communicating across the OEx

  17. CAMAC data acquisition system based on micro VAXII

    The CAMAC data acquisition system based on Micro VAXII Computer provides high-speed, Zero-suppressed, and 256-parameter CAMAC acquisition. It consists of three parts: control logic unit, CAMAC readout system and host computer system. When the control logical unit is triggered by external electronic selection signal, it produces a pilot signal to keep all of the parameters of a particular event together. Event-model data have been collected by using a CAMAC Fast Crate controller. The host computer system, in hard environment, is equipped with certain peripheral device. It includes the following: 1. at least two M990 GCR, 6250B/inch, magnetic tape driver operating at 75 inches per second or faster; 2. a Tektronix 4014 storage scope; 3. a laser printer, LND3-AE or copier which is capable of making hard-copies of Tektronix 4014 screen; 4. a control console device and a line printer; 5. x-press color graphics terminal; 6. DEC network. When the system is in real-time acquisition, it is able, on-line, to handle and analyse data stream, to monitor and control experiment and to display dynamically spectra on the Tektronix 4014

  18. How Cisco Systems Used Enterprise Architecture Capability to Sustain Acquisition-Based Growth

    Toppenberg, Gustav; Shanks, Graeme; Henningsson, Stefan

    2015-01-01

    Value-creating acquisitions are a major challenge for many firms. The case of Cisco Systems shows that an advanced enterprise architecture (EA) capability can contribute to the four phases of the acquisition process: pre-acquisition preparation, acquisition selection, acquisition integration and...... post-integration management. Cisco’s EA capability improves its ability to rapidly capture value from acquisitions and to sustain its acquisition-based growth strategy over time....

  19. Panoramic dynamic data acquisition system based on unmanned helicopter

    Yao, Yigang; Zhao, Shuguang; Lin, Zhaorong; Wen, Gaojin; Zhang, Qian; Zhang, Weiwei

    2012-10-01

    In recent years, the archaeological tourism has rapidly been developed all over the world, and it has become more and more popular. However, the scope of the human activities has been restricted by complicated geographical terrain, and the popularization of archaeological tourism has been hampered. For the purpose of solving the above problem, the archaeological tourism system of the panoramic dynamic data acquisition system based on unmanned helicopter is designed, and we got the image of the Chinese Ming Dynasty Great Wall realtime 360˚ panoramic dynamic monitor. The applying of this system will increase the scope of the archaeological tourism activities.

  20. FPGA based data acquisition system for COMPASS experiment

    This paper presents the current data acquisition system (DAQ) of the COMPASS experiment at CERN and discusses development of a new DAQ. The aim of the new DAQ is to substitute software event building by structure composed of special FPGA cards that will do the event building. The software part of the new DAQ is robust multinode system with high emphasis on reliability. It is based on state machines and implemented in C++ with usage of the QT framework, the DIM library, and the IPBus technology. A prototype of the system has been developed and tested. The new DAQ software fulfills given requirements.

  1. Network Based Data Acquisition and Logging System using PIC Microcontroller

    Tarun Kumar Sharma; Padmakar Singh Parihar

    2014-01-01

    This paper presents the design and implementation of a multi-channel data acquisition and logging system which can be used in a variety of applications. The designed data acquisition and logging system uses analog multiplexer, a bipolar analog to digital converter, a voltage reference and an SD card. The device is developed around PIC Microcontroller. The most important feature of the device which makes it different from other data acquisition devices is the presence of the Ethernet port. Thi...

  2. Distributed CAN-BUS-based data acquisition system

    A distributed remote-control system for large nuclear physical setups is intended to collect, store, and analyze data arriving from detecting devices and to visualize them via the WEB. The system uses the CAN industrial data transmission network and the DeviceNet high-level protocol. The hardware part is the set of controllers, which convert signals of the detecting devices into a frequency and transmit them in the digital form via the CAN network to the host computer. The software realizes the DeviceNet protocol stack, which ensures the data acquisition and transmission. The user interface is based on dynamic WEB pages. The system is used for monitoring dark noises of photomultiplier tubes in the BOREXINO neutrino detector (Italy)

  3. Network Based Data Acquisition and Logging System using PIC Microcontroller

    Tarun Kumar Sharma

    2014-03-01

    Full Text Available This paper presents the design and implementation of a multi-channel data acquisition and logging system which can be used in a variety of applications. The designed data acquisition and logging system uses analog multiplexer, a bipolar analog to digital converter, a voltage reference and an SD card. The device is developed around PIC Microcontroller. The most important feature of the device which makes it different from other data acquisition devices is the presence of the Ethernet port. This feature enables it to work in networked environment. The performance of the device is tested and crosschecked. The present data acquisition and logging system is expected to be very useful to varieties of our own developmental projects, given its ability to locally store data and availability of general purpose digital I/O.

  4. A microprocessor-based power control data acquisition system

    The project reported deals with one of the aspects of power plant control and management. In order to perform optimal distribution of power and load switching, one has to solve a specific optimization problem. In order to solve this problem one needs to collect current and power expenditure data from a large number of channels and have them processed. This particular procedure is defined as data acquisition and it constitutes the main topic of this project. A microprocessor-based data acquisition system for power management is investigated and developed. The current and power data of about 100 analog channels are sampled and collected in real-time. These data are subsequently processed to calculate the power factor (cos phi) for each channel and the maximum demand. The data is processed by an AMD 9511 Arithmetic Processing Unit and the whole system is controlled by an Intel 8080A CPU. All this information is then transfered to a universal computer through a synchronized communication channel. The optimization computations would be performed by the high level computer. Different ways of performing the search of data over a large number of channels have been investigated. A particular solution to overcome the gain and offset drift of the A/D converter, using software, has been proposed. The 8080A supervises the collection and routing of data in real time, while the 9511 performs calculation, using these data. (Author)

  5. A LabVIEW- based wind tunnel data acquisition system

    Huff, Michael R.

    1998-01-01

    Approved for public release; distribution is unlimited The NPS Aerolab Low Speed Wind Tunnel located in Halligan Hall of the Navy Postgraduate School has been in operation since 1953. Although the tunnel is well maintained, its data acquisition system has not kept pace with modem technology. An effective but affordable solution for acquiring data was needed. It was determined that a software package known as LabVIEW would provide a low cost, data acquisition solution that will enhance the ...

  6. A Java-based data acquisition system for nuclear physics

    Jam is a Java-based user-friendly data acquisition and analysis system developed for CAMAC-based nuclear physics experiments. The system is menu-driven and has been designed to minimize the expertise needed to perform the essential tasks necessary to collect and sort data. The front-end hardware is VME based and includes a MVME167 running VxWorks, which is networked to a Sun workstation. The sorting, display, and control routines are all written in Java, and the front-end code is written in C. With a Sparc 5 workstation, events with 10 parameters, 15 histograms, and 10 gate checks the system can collect and sort data up to event rates of 1 kHz. By only sorting a fraction of the events, but storing all events, it can be run at the front-end limit of 10 kHz. Java's promise of platform independence has been found to be realistic, and Jam has been used with no modifications to sort offline on multiple platforms. Jam has a modular design allowing it to be easily modified. For example, Jam has an interface to allow users to write their own fitting routines. This article discusses the system's design and performance, as well as some advantages and disadvantages of using Java

  7. The Data Acquisition System Based on PMC Bus

    Igarashi, Y; Higuchi, T; Ikeno, M; Inoue, E; Itoh, R; Kodama, H; Murakami, T; Nagasaka, Y; Nakao, M; Nakayoshi, K; Saitoh, M; Shimazaki, S; Suzuki, S Y; Tanaka, M; Tauchi, K; Varner, G; Yamauchi, M; Yasu, Y; Katayama, T; Watanabe, K; Ishizuka, M; Onozawa, S

    2003-01-01

    High energy physics experiments in KEK/Japan rush into over KHz trigger stage. Thus, we need a successor of the data acquisition(DAQ) system that replaces the CAMAC or FASTBUS systems. To meet these needs, we have developed a DAQ system which includes a crate, base-board modules, daughter cards for front-end A/D or T/D conversion, and back-end communication cards for data transfer and timing control. The size of the crate is for the 9U Euro-cards with the standard VME32 bus and extension connectors for power supply. The base-board comprises of a local bus with the sequencer connected to the front-end daughter cards via event buffering FIFOs, and the standard PMC (PCI mezzanine card) bus to be set a PMC processor unit to reduce data size from the front-end daughter cards. A data transfer module, which is connected to the event building system, and a trigger control unit, which communicates with the central timing controller are installed on the back-end communication card connected to the rear end of the base-...

  8. Data acquisition system based on the 15 VSM-5 microcomputer

    Data acquisition system based on the programmable 15 vsm-5 microcomputer is described. Data are accepted from transducers and recorded on a magnetic tape for subsequent processing on the BESM-6 computer. The system comprises transducers, signal commutator, analog-to-digital converter (ADC), magnetic tape recorder ''Majak-203'', the ''CONSUL-260'' printer and is controlled by specially developed microprograms placed in a 15 VCM-5, permanent memory device. Magnetic tape recording reading unit and interface are developed through which microprograms control the whole system. Besides transducer data, two control numbers corresponding to ''zero'' and middle of the range of accepted from the ADC numbers are recorded on the magnetic tape. An means of control numbers the ADC reading drift is determined and corrected at processing. For ensuring data reliability the recorded data are controlled. The minimum inquiry period is 5 ms for each transducer. The magnetic tape can be used for recording dode digit binary or hexadigit binary-decimal codes. The measuring accuracy is determined by ADC accuracy and equals 0.2%

  9. A camac data acquisition system based on PC-Linux

    A multi-parametric data acquisition system for Nuclear Physics experiments using camac instrumentation on a personal computer with the Linux operating system in described. The system is very reliable, inexpensive and is capable of handling event rates up to 4-6 k events/s. In the present version, the maximum number of parameters to be acquired is limited only by the number of camac modules that can be fitted in one camac crate

  10. Knowledge-acquisition tools for medical knowledge-based systems.

    Lanzola, G; Quaglini, S; Stefanelli, M

    1995-03-01

    Knowledge-based systems (KBS) have been proposed to solve a large variety of medical problems. A strategic issue for KBS development and maintenance are the efforts required for both knowledge engineers and domain experts. The proposed solution is building efficient knowledge acquisition (KA) tools. This paper presents a set of KA tools we are developing within a European Project called GAMES II. They have been designed after the formulation of an epistemological model of medical reasoning. The main goal is that of developing a computational framework which allows knowledge engineers and domain experts to interact cooperatively in developing a medical KBS. To this aim, a set of reusable software components is highly recommended. Their design was facilitated by the development of a methodology for KBS construction. It views this process as comprising two activities: the tailoring of the epistemological model to the specific medical task to be executed and the subsequent translation of this model into a computational architecture so that the connections between computational structures and their knowledge level counterparts are maintained. The KA tools we developed are illustrated taking examples from the behavior of a KBS we are building for the management of children with acute myeloid leukemia. PMID:9082135

  11. A Linux based data acquisition system at NSC

    A new on-line data acquisition system has been developed for handling the data generated by experiments conducted using the 15 MV Tandem accelerator at Nuclear Science Centre (NSC). The system consists of a network of Pentiums running Linux connected to a CAMAC branch highway, using KSC3922 Crate controllers and KSC2927 AT interface card. Hytec LP1340 list processor module is used for hardware buffering of data. The system has been tested and found to be capable of handling event data rates up to 400 k bytes per second. (author). 4 refs., 2 figs

  12. A Multi-parameter Data Acquisition and Analysis System Based on Open VMS Operation System

    2001-01-01

    We fall into disuse the JUHU system based on the PDP/11 computer for RSX11M operation system,and update our multi-parameter data aequisition and analysis system’s hardware and software based on VAXII computer and Open VMS operation system,make it adapted to the recent physics experiment.In this paper,we describe the updated inulti-parameter data acquisition and analysis system’s hardware,software configuration and system function.

  13. PSoC based data acquisition system for a scanning spectrometer

    Programmable System on Chip (PSoC) based systems offer low cost embedded solutions for instrument control and data acquisition for analytical instrumentation. This paper outlines employment of cypress CY8C29466 chip to develop a data acquisition system for a scanning spectrometer. (author)

  14. The design of acquisition system for high-energy X-ray ICT based on FPGA

    With the theory and characteristic of the high-energy X-ray ICT's data acquisition system,the structure of the data acquisition system is introduced, and explains the controlling arithmetic for the integrator IVC102 and A/D convertor AD7679, which is based on FPGA. (authors)

  15. Microprocessor based dual bus structured data acquisition and processing system : DAPS-80

    The microprocessor based dual bus structured data acquisition and processing system has been designed around Intel 8080 microprocessor. The system is described and operational results are given. (M.G.B.)

  16. Use of PC based data acquisition systems, connected to reactor shutdown system No. 1 and 2

    The intention of this material is to present the experience in use and future development of PC Based Data Acquisition Systems (DAS), connected to Reactor Shutdown System (SDS) number 1 and number 2, at Cernavoda Nuclear Power Plant (NPP) Unit 1 (U1). Two major aspects, regarding the purpose of using DAS, are the subject of the material: post-event analysis and system impairments evaluation; economic penalties reduced. (author)

  17. A UMLS-based knowledge acquisition tool for rule-based clinical decision support system development.

    Achour, Soumeya,; Dojat, Michel; Rieux, Claire; Bierling, Philippe; Lepage, Eric

    2001-01-01

    International audience Decision support systems in the medical field have to be easily modified by medical experts themselves. The authors have designed a knowledge acquisition tool to facilitate the creation and maintenance of a knowledge base by the domain expert and its sharing and reuse by other institutions. The Unified Medical Language System (UMLS) contains the domain entities and constitutes the relations repository from which the expert builds, through a specific browser, the expl...

  18. LoFASM's FPGA-based Digital Acquisition System

    Dartez, Louis P.; Jenet, F.; Creighton, T. D.; Ford, A. J.; Hicks, B.; Hinojosa, J.; Kassim, N. E.; Price, R. H.; Stovall, K.; Ray, P. S.; Taylor, G. B.

    2014-01-01

    The Low Frequency All Sky Monitor (LoFASM) is a distributed array of dipole antennas that are sensitive to radio frequencies from 10 to 88 MHz. LoFASM consists of antennas and front end electronics that were originally developed for the Long Wavelength Array (LWA) by the U.S. Naval Research Lab, the University of New Mexico, Virginia Tech, and the Jet Propulsion Laboratory. LoFASM, funded by the U.S. Department of Defense, will initially consist of 4 stations, each consisting of 12 dual-polarization dipole antenna stands. The primary science goals of LoFASM will be the detection and study of low-frequency radio transients, a high priority science goal as deemed by the National Research Council's decadal survey. The data acquisition system for the LoFASM antenna array will be using Field Programmable Gate Array (FPGA) technology to implement a real time full Stokes spectrometer and data recorder. This poster presents an overview of the current design and digital architecture of a single station of the LoFASM array as well as the status of the entire project.

  19. The design of virtual double-parameter nuclear spectrum acquisition system based on LabVIEW

    This paper introduces the design of virtual double-parameter nuclear spectrum acquisition system based on LabVIEW and NI multifunction DAQ board, and the use of it to measure the double-parameter nuclear spectrum

  20. Neutron flux density data acquisition system based on LabVIEW

    In the LabVIEW software, combined with PCI-6251 data acquisition card, VI of neutron flux density data acquisition is realized by DAQmx data acquisition functions. VI is composed of front panel and block diagram. The data collected can be displayed in the forms of the data curve and the data control, and saved in the form of files. Test results show that the frequency of output signal in NI ELVIS can be accurately measured by the system, realizing neutron flux density data acquisition based on LabVIEW. (authors)

  1. VME-based data acquisition system for the India-based Neutrino Observatory prototype detector

    The India-based Neutrino Observatory (INO) collaboration has proposed to build a 50 kton Iron-Calorimeter (ICAL) to study neutrino oscillations. About 28,800 Resistive Plate Chambers will be used as active detector elements in this experiment. Preliminary studies are currently underway and as a part of it, a prototype detector was developed which now serves as a cosmic-ray telescope and as a test-bench to study the indigenously built RPCs. A VME-based data acquisition system was designed for this prototype system. Modern software tools were used in the designing of the DAQ software. The design and development of this DAQ system are discussed.

  2. A data acquisition system based on CCU-CAMAC crate controller and IBM/PC computer

    A data acquisition system is described which based on a CCU-CAMAC crate controller and IBM/PC micro-computer. The software has been written in C language. The system can perform following tasks: multi-parameter data acquisition, disk data storage in list event mode or accumulation spectrum mode, construction of 1-2 dimensional spectra and on-line display. The system supports the hardcopy and hot key

  3. Distributed SCI-based data acquisition systems constructed from SCI bridges and SCI switches

    The IEEE standard 1596-1992, Scalable Coherent Interface (SCI) provides novel possibilities to build data acquisition systems for large and very high rate experiments in high energy physics. The RD24 project at CERN started two years ago to investigate applications of SCI to data acquisition at the Large Hadron Collider (LHC). As part of the RD24 project, simulation of large SCI-based data acquisition systems is performed by a simulator written in the object-oriented language MODSIM II. The goal of this paper is to investigate the difference between SCI switch- and SCI-based systems, and to study some of the design criteria for the SCI switch element to form the interconnection of large scale SCI-based data acquisition systems. 15 refs., 14 figs., 2 tabs

  4. Calo trigger acquisition system

    Franchini, Matteo

    2016-01-01

    Calo trigger acquisition system - Evolution of the acquisition system from a multiple boards system (upper, orange cables) to a single board one (below, light blue cables) where all the channels are collected in a single board.

  5. Nuclear spectrometry signal acquisition and processing system based on LabVIEW and C

    The process of designing nuclear spectrometry signal acquisition and processing system based on virtual instrument technology is showed in this article. For the deficiency of LabVIEW in big data analyzing and processing, a method is presented in which C programmer is inserted and applied in signal smoothing, peak searching and area of the peak calculating. A complete nuclear spectrometry signal acquisition, processing and document management system is implemented. (authors)

  6. Report on a field-portable VME-based distributed data acquisition system

    A development effort was started two years ago to develop a portable data acquisition system which could be used for performing arms control verification and environmental monitoring measurements with complex multi-detector systems in the field. A field portable data acquisition system has been developed around a VMEbus based micro-processor and standard TCP/IP network protocols. The hardware consists of a compact VME crate and a single CAMAC crate containing the signal processing electronics. The component processes of the data acquisition system transfer control and event data over a set of TCP/IP socket connections. The use of network sockets for the interprocess communications allows the data acquisition system to be operated transparently on one workstation or on a number of workstations distributed around a local network

  7. Electronics and data acquisition system for the ICAL prototype detector of India-based neutrino observatory

    The India-based Neutrino Observatory (INO) collaboration has proposed to build a 50 kton magnetized Iron Calorimeter (ICAL) detector with the primary goal to study neutrino oscillations, employing Resistive Plate Chambers (RPCs) as active detector elements. A prototype of the ICAL detector has been built in order to develop and characterize the intrinsic sub-systems, like RPCs, gas system, electronics and data acquisition system, etc. This paper describes in detail the readout electronics as well as the VME-based data acquisition system for the prototype detector.

  8. High resolution (GC/MS) mass spectrometer data acquisition and processing system based on microcomputer

    A high resolution (GC/MS) mass spectrometer data acquisition and processing system based on IBM-PC/AT is introduced in this paper. Its hardware design and system software are described simply, and a comparison between two measurement results on standard samples PFK obtained with this system and minicomputer is given

  9. Data acquisition system for linear position sensitive detector based neutron diffractometer

    This data acquisition system is developed to serve the requirements of various linear 1PSD based neutron diffractometers. A neutron diffractometer uses a neutron beam as a probe to study the crystallographic properties of materials. Presently two multi-PSD and two single-PSD diffractometers are commissioned and a few more are being installed in Dhruva. This data acquisition system is installed at each of these - diffractometers. Different requirements of individual diffractometers were studied and reconciled to design a single data acquisition system, which can be easily configured or customized for individual setups. The charge division in a linear PSD is converted to a position output with the help of an RDC (Ratio ADC). The ftont-end electronics, which consist of preamplifiers and shaping amplifiers, provide an interface between a PSD and an RDC. A PC add-on card is designed around a Transputer. It can interface 16 RDCs, a few motor controls and on/off controls. Data acquisition and other controls are implemented in the Transputer program. A front-end Windows98 application merges the raw data of different RDCs to obtain the equiangular data. Through software the data acquisition system can be configured for diffetent diffractometers. Commercially available hardware is also integrated as,a part of the data acquisition system in some of the setups. The data acquisition system is working reliably as a part of two single PSD and two multi-PSD diffractometers. It can handle data rates upto 15 K/Sec without any loss of counts. It has played a significant role in providing improved throughput and utilization ofvarious diffractometers. The'data acquisition system and its different applications are presented in this report. (author)

  10. Design of Tokamak synchronous data acquisition system based on PXI express

    With the development of J-TEXT device, the original data acquisition system can't meet the experiment's requirement on stability, modularity and sampling rate, so a new data acquisition system needs to be built. This paper introduces the design and implementation of the distributed Tokamak synchronous high-speed data acquisition system based on PXI Express. The acquisition unit consists of PXIe case Nl PXIe 1062Q, PXIe controller NI PXIe-8133 and high-speed synchronous data acquisition card Nl PXIe-6368, compatible with the latest standard of ITER CODAC, so it has good mechanical sealing, strong modularity and high sampling rate etc. The system takes a synchronous difference acquisition for diagnosis signal. The data storage adopts MDSplus which is the general database in the nuclear fusion field. The test and experimental results show that the system can work continuously and stably at 2 MSps sampling rate, and meet the requirement of experiment device's operation well. (authors)

  11. Design and realization of GUI for data acquisition system based on Qt in Linux

    It introduces the design and realization of GUI for data acquisition system of High Intensity Powder Diffractometer (HIPD) model machine system, which is a R and D project of China Spallation Neutron Source (CSNS). It mainly describes a developing method of GUI for data acquisition system based on Qt in Linux system. Firstly, the front-end readout program of VME controller is introduced, and then the paper specifically discusses the basic design and realization methods of GUI program in Host machine. At last the testing methods and results of this application program are given as a proof of its stability. (authors)

  12. A PC-Linux-based data acquisition system for the STAR TOFp detector

    Commodity hardware running the open source operating system Linux is playing various important roles in the field of high energy physics. This paper describes the PC-Linux-based Data Acquisition System of STAR TOFp detector. It is based on the conventional solutions with front-end electronics made of NIM and CAMAC modules controlled by a PC running Linux. The system had been commissioned into the STAR DAQ system, and worked successfully in the second year of STAR physics runs

  13. Course Ontology-Based User's Knowledge Requirement Acquisition from Behaviors within E-Learning Systems

    Zeng, Qingtian; Zhao, Zhongying; Liang, Yongquan

    2009-01-01

    User's knowledge requirement acquisition and analysis are very important for a personalized or user-adaptive learning system. Two approaches to capture user's knowledge requirement about course content within an e-learning system are proposed and implemented in this paper. The first approach is based on the historical data accumulated by an…

  14. The software design of acquisition system for nuclear pulse based on ARM

    This paper introduces, a new style data acquisition system, which can acquire and analyze nuclear pulse signal based on ARM and high speed ADC. The system adopts Visual C++ as software developing kit. Concerning the multiple threads technology and object oriented method on serial communication. (authors)

  15. PXI based data acquisition system for SST-1 TF test program

    SST-1 TF coil test program required data acquisition system (DAQ) for continuous monitoring of different sensors mounted on the coil for measurement of different parameters like voltage, pressure, temperature, strain, flow etc. Main design derivers for the system were ease of channel expansion capability, variable high/slow sampling rate, high accuracy, flexible GUI based configuration with reliable data storage and time synchronization with other acquisition systems. A PXI based data acquisition has been developed on Labview platform having these features. In present system, two NI-6225 Multifunction DAQ cards have been used,one dedicated for acquiring temperature data and other for acquiring voltages. GPS based time synchronization system has been used in this system. Application program provides flexibility of viewing online numeric data of selected channels in user defined groups and also the possibility to view online plots of four different groups in single window. This facilitated easy operator based actions during the test campaigns. Individual input channels have possibility to define sampling rate, gain, offset, multiplication factor and identification name. This data acquisition system has been successfully used for more than twenty coil test in the coil test campaigns and other small laboratory scale experiments. Present paper gives details of this system, application program and its performance during the tests. (author)

  16. Comparison between wire and wireless EEG acquisition systems based on SSVEP in an Independent-BCI.

    Tello, Richard M G; Müller, Sandra M T; Bastos-Filho, Teodiano; Ferreira, Andre

    2014-01-01

    This paper presents a comparison between two different technologies of acquisition systems (BrainNet36 and Emotiv Epoc) for an Independent-BCI based on Steady-State Visual Evoked Potential (SSVEP). Two stimuli separated by a viewing angle experiments. The class is obtained through a criterion of maxima. The left and right flicker stimuli were modulated at frequencies of 8.0 and 13.0 Hz, respectively. Acquisition via BrainNet system showed better results, obtaining the highest value for accuracy (100%) and the highest ITR (35.18 bits/min). This Independent-BCI is based on covert attention. PMID:25569887

  17. A study of the environmental information acquisition system based on smart phones

    Xu, Lingyan; Chen, Feixiang; Ni, Shaoliang; Wang, Ling; Wei, Chao; Gong, Bowen

    2010-08-01

    In this paper, it proposed a new environmental information acquisition system based on smart phones (Smartphone / Pocket PC) which combined with Geographic Information System (GIS), Global Positioning System (GPS), wireless communication technology in allusion to the current actual situation of environmental protection information acquisition in city environmental protection department. System architecture and working principle is analyzed, and it designs the main modules of the software and hardware. In addition, transport protocols and application of the implementation method have been discussed. Experiments show that the environmental information acquisition system has high precision, easy to use, information transfer with high efficiency and reliability. Not only have that, the paper also discusses the effective strategies of network transmission of data encryption and the image transmission rate improvement. In brief, it can effectively enhance the work efficiency of the city environmental protection department when they collect relevant information.

  18. FPGA Based High Accuracy Synchronous Acquisition Design for Binocular Vision System

    Lili Lin

    2011-06-01

    Full Text Available This paper proposes a coarse-to-fine two-level synchronous data acquisition and transmission system for binocular stereo vision, which satisfies strict synchronous requirement of stereo vision. Specifically, this synchronization system design contains: coarse level synchronous based on hardware circuit design and the fine level synchronous based on hardware description language (HDL design. The former includes the synchronization design of clock and external trigger. The latter utilizes a multi-level synchronous control strategy from field-level to pixel-level, which consists of field-synchronous acquisition of the two-channel video inputs, two-channel Ping-pong buffers switch control module, and pixel-synchronous bit-splicing and PCI transmission module. The experiments of synchronous acquisition and display demonstrate the high reliability and great performance of this synchronous system.

  19. Data acquisition system DAPHNE

    DAPHNE is a data acquisition system which is being created to satisfy the needs of the accelerator based experimental research program of the division in particular the one at ATLAS. It is CAMAC based with a hardware front end consisting of multiple single board processors in a Multibus cage to provide a parallel processing capability. The host computer, a VAX 750, will provide for data logging, histogram memory space, and user interaction. The first DAPHNE system is being designed and constructed for use by ATLAS and is expected to be ready by late spring, 1985

  20. A PC-based single-ADC multi-parameter data acquisition system

    A personal computer (PC) based mult parameter data acquisition system using the Microsoft Window operating environment has been designed and constructed. An IBI AT compatible personal computer with an Intel 486DX5 microprocessor was combined with a National Instruments ATIDIO 32 digital I/O card, a single Canberra 8713 ADC with 13-bit resolution and a modified Canberra 8223 8-input analog multiplexer to acquil data from experiments carried out at the UML Van de Graa accelerator. The accelerator data acquisition (ADAC) computer environment was programmed in Microsoft Visual BASIC for use i Windows. ADAC allows event-mode data acquisition with up to eight parameters (modifiable to 64) and the simultaneous display parameters during acquisition. Additional features of ADAC include replay of event-mode data and graphical analysis/display of data. TV ADAC environment is easy to upgrade or expand, inexpensive 1 implement, and is specifically designed to meet the needs of nuclei spectroscopy

  1. MDSplus data acquisition system

    MDSplus, a tree based, distributed data acquisition system, was developed in collaboration with the ZTH Group at Los Alamos National Lab and the RFX Group at CNR in Padua, Italy. It is currently in use at MIT, RFX in Padua, TCV at EPFL in Lausanne, and KBSI in South Korea. MDSplus is made up of a set of X/motif based tools for data acquisition and display, as well as diagnostic configuration and management. It is based on a hierarchical experiment description which completely describes the data acquisition and analysis tasks and contains the results from these operations. These tools were designed to operate in a distributed, client/server environment with multiple concurrent readers and writers to the data store. While usually used over a Local Area Network, these tools can be used over the Internet to provide access for remote diagnosticians and even machine operators. An interface to a relational database is provided for storage and management of processed data. IDL is used as the primary data analysis and visualization tool. IDL is a registered trademark of Research Systems Inc. copyright 1996 American Institute of Physics

  2. Platform attitude data acquisition system

    Afzulpurkar, S.

    A system for automatic acquisition of underwater platform attitude data has been designed, developed and tested in the laboratory. This is a micro controller based system interfacing dual axis inclinometer, high-resolution digital compass...

  3. An adaptive structure data acquisition system using a graphical-based programming language

    Baroth, Edmund C.; Clark, Douglas J.; Losey, Robert W.

    1992-01-01

    An example of the implementation of data fusion using a PC and a graphical programming language is discussed. A schematic of the data acquisition system and user interface panel for an adaptive structure test are presented. The computer programs (a series of icons 'wired' together) are also discussed. The way in which using graphical-based programming software to control a data acquisition system can simplify analysis of data, promote multidisciplinary interaction, and provide users a more visual key to understanding their data are shown.

  4. Data acquisition and command system for use with a microprocessor-based control chassis

    The Pion Generation for Medical Irradiations (PIGMI) program at the Los Alamos Scientific Laboratory is developing the technology to build smaller, less expensive, and more reliable proton linear accelerators for medical applications, and has designed a powerful, simple, inexpensive, and reliable control and data acquisition system that is central to the program development. The system is a NOVA-3D minicomputer interfaced to several outlying microprocessor-based controllers, which accomplish control and data acquisition through data I/O chasis. The equipment interface chassis, which can issue binary commands, read binary data, issue analog commands, and read timed and untimed analog data is described

  5. Knowledge acquisition and discovery for the textual case-based cooking system WIKITAAABLE

    Badra, Fadi; Cojan, Julien; Cordier, Amélie; Lieber, Jean; Meilender, Thomas; Mille, Alain; Molli, Pascal; Nauer, Emmanuel; Napoli, Amedeo; Skaf-Molli, Hala; Toussaint, Yannick

    2009-01-01

    International audience The textual case-based cooking systemWIKITAAABLE participates to the second Computer cooking contest (CCC). It is an extension of the TAAABLE system that has participated to the first CCC. WIKITAAABLE's architecture is composed of a semantic wiki used for the collaborative acquisition of knowledge (recipe, ontology, adaptation knowledge) and of a case-based inference engine using this knowledge for retrieving and adapting recipes. This architecture allows various mod...

  6. A FADC-based Data Acquisition System for the KASCADE-Grande Experiment

    Walkowiak, W; Apel, W D; Badea, F; Bekk, K; Bercuci, A; Bertaina, M; Blümer, H; Bozdog, H; Brancus, I M; Bruggemann, M; Buchholz, P; Büttner, C; Chiavassa, A; Daumiller, K; di Pierro, F; Doll, P; Engel, R; Engler, J; Feler, F; Ghia, P L; Gils, H J; Glasstetter, R; Haungs, A; Heck, D; Hörandel, J R; Kampert, K H; Klages, H O; Kolotaev, Yu; Maier, G; Mathes, H J; Mayer, H J; Milke, J; Mitrica, B; Morello, C; Müller, M; Navarra, G; Obenland, R; Oehlschläger, J; Ostapchenko, S; Over, S; Petcu, M; Plewnia, S; Rebel, H; Risse, A; Roth, M; Schieler, H; Scholz, J; Stumpert, M; Thouw, T; Toma, G; Trinchero, G C; Ulrich, H; Valchierotti, S; Van Buren, J; Weindl, A; Wochele, J; Zabierowski, J; Zagromski, S; Zimmermann, D

    2006-01-01

    We present the design and first test results of a new FADC-based data acquisition (DAQ) system for the Grande array of the KASCADE-Grande experiment. The original KASCADE experiment at the Forschungszentrum Karlsruhe, Germany, has been extended by 37 detector stations of the former EAS-TOP experiment (Grande array)to provide sensitivity to energies of primary particles from the cosmos of up to $10^{18}$ eV. The new FADC-based DAQ system will improve the quality of the data taken by the Grande array by digitizing the scintillator signals with a 250 MHz sampling rate. events per second. Two Grande stations have been equipped with the FADC-based data acquisition system and first data are shown.

  7. Dual microprocessor based control and data acquisition system for triple axis neutron spectrometer

    A microprocessor-based control and data acquisition system is designed and built for neutron spectrometers. This system makes use of two microprocessors SC/MP and MM 57109 and serves as a general purpose control system for a variety of on-line control applications and data acquisition. The system under description is dedicated to control a triple axis neutron spectrometer and makes use of resident programmes to run the spectrometer in constant Q or E modes to aid in coherent neutron inelastic scattering experiments. System hardware and software are briefly discussed. The basic system is capable of being adopted for other instruments like a powder diffractometer with capability for profile analysis, single crystal diffractometers etc. after some suitable modification in software. Data can be processed to some extent, if need be. (author)

  8. Research of Data Acquisition and Analysis System for Internal Combustion Engine Based on DSP

    In the paper, the structure, working principle, functions and characteristics of an data acquisition and analysis system for internal combustion engines (I.C. engine) based on DSP is introduced. The DSP can not only acquire and analyze the data alone, also can work with the PC together to form data acquisition and analysis system with high speed and large memory. The system takes advantages of TMS320F2812's plenty of peripherals on chip, becomes small and easy for installation. USB technique is used to translate data between DSP and PC in high speed, so the system's real time processing is proved very much. It is proved that the designed system can acquire and analyze the steady and transient parameters of the I.C. engine very well

  9. Optimized list-mode acquisition and data processing procedures for ACS2 based PET systems

    PET systems using the acquisition control system version 2 (ACS2), e.g. the ECAT Exact HR PET scanner series, offer a rather restricted list-mode functionality. For instance, typical transfers of acquisition data consume a considerable amount of time. This represents a severe obstacle to the utilization of potential advantages of list-mode acquisition. In our study, we have developed hardware and software solutions which do not only allow for the integration of list-mode into routine procedures, but also improve the overall runtime stability of the system. We show that our methods are able to speed up the transfer of the acquired data to the image reconstruction and processing workstations by a factor of up to 140. We discuss how this improvement allows for the integration of list-mode-based post-processing methods such as an event-driven movement correction into the data processing environment, and how list-mode is able to improve the overall flexibility of PET investigations in general. Furthermore, we show that our methods are also attractive for conventional histogram-mode acquisition, due to the improved stability of the ACS2 system. (orig.)

  10. Fast integrator based data acquisition system for the SST-1 Thomson scattering system

    An operational transconductance amplifier based fast charge-integrating module (FCIM) is designed and developed for an easy acquisition of fast Thomson scattered and background signal. FCIM based data acquisition technique can be used for the measurement of charge pulses of <20 ns duration. The response of the module is tested using a standard pulsed charge-generating module. The measuring charge range of the module depends on the integrating capacitor. Comparison of the performance of FCIM to commercially available module shows that it has better dynamic range with higher sensitivity and less measurement error. The module is quite cost effective and has many new features.

  11. Data acquisition system

    The topic of this paper deals with a multi parametric acquisition system developed around a four input Analog to Digital Converter working in CAMAC Standard. The acquisition software is built in MS Visual C++ on a standard PC with a USB interface. It has a visual interface which permits Start/Stop of the acquisition, setting the type of acquisition (True/Live time), the time and various menus for primary data acquisition. The spectrum is dynamically visualized with a moving cursor indicating the content and position. The microcontroller PIC16C765 is used for data transfer from ADC to PC; The microcontroller and the software create an embedded system which emulates the CAMAC protocol programming, the 4 input ADC for operating modes ('zero suppression', 'addressed' and 'sequential') and handling the data transfers from ADC to its internal memory. From its memory the data is transferred into the PC by the USB interface. The work is in progress. (authors)

  12. Development of small and inexpensive digital data acquisition systems using a microcontroller-based approach.

    Naivar, Mark A; Wilder, Mark E; Habbersett, Robert C; Woods, Travis A; Sebba, David S; Nolan, John P; Graves, Steven W

    2009-12-01

    Fully digital data acquisition systems for use in flow cytometry provide excellent flexibility and precision. Here, we demonstrate the development of a low cost, small, and low power digital flow cytometry data acquisition system using a single microcontroller chip with an integrated analog to digital converter (ADC). Our demonstration system uses a commercially available evaluation board making the system simple to integrate into a flow cytometer. We have evaluated this system using calibration microspheres analyzed on commercial, slow-flow, and CCD-based flow cytometers. In our evaluations, our demonstration data system clearly resolves all eight peaks of a Rainbow microsphere set on both a slow-flow flow cytometer and a retrofitted BD FACScalibur, which indicates it has the sensitivity and resolution required for most flow cytometry applications. It is also capable of millisecond time resolution, full waveform collection, and selective triggering of data collection from a CCD camera. The capability of our demonstration system suggests that the use of microcontrollers for flow cytometry digital data-acquisition will be increasingly valuable for extending the life of older cytometers and provides a compelling data-system design approach for low-cost, portable flow cytometers. PMID:19852060

  13. A microcontroller-based data-acquisition system for meteorological station monitoring

    This paper presents a study of feasibility of different existing methodologies linked to field's data acquisition from remote meteorological stations. The data transmission serves to collect field's meteorological information, such as temperature, humidity and radiation. In our study the experimental data is registered in a weather station located about 100 km from University of Almeria. Various existing techniques are studied, especially Radio, GSM (global system of mobile communication) and GPRS (general packet radio service). In the result of these studies has been designed a system of field's data acquisition (herein referred as Meteologger) which we are going to present in this paper. The system is based on an ATmega 16 microcontroller, which scans 8 sensors together at any programmable intervals. This paper presents the study of the mentioned project, application and some main characteristics of the prototype system and its program. We attempt to implement the system, and subsequently present the performance of tests regarding the mentioned system. To verify its functioning some comparison of this measurement system with two others commercial data-acquisition system (Campbell and Hobo H8) has been carried out

  14. A versatile computer based system for data acquisition manipulation and presentation

    A data acquisition system based on the Microdata M 1600L data logger and a Digital Equipment Corporation (DEC) VT103 computer system has been set up for use in a wide range of research and development projects in the field of fission detectors and associated technology. The philosophy underlying the system and its important features are described. Operating instructions for the logger are given, and its application to experimental measurements is considered. Observations on whole system performance, and recommendations for improvements are made. (U.K.)

  15. Results from a data acquisition system prototype project using a switch-based event builder

    A prototype of a high bandwidth parallel event builder has been designed and tested. The architecture is based on a simple switching network and is adaptable to a wide variety of data acquisition systems. An eight channel system with a peak throughput of 160 Megabytes per second has been implemented. It is modularly expandable to 64 channels (over one Gigabyte per second). The prototype uses a number of relatively recent commercial technologies, including very high speed fiber-optic data links, high integration crossbar switches and embedded RISC processors. It is based on an open architecture which permits the installation of new technologies with little redesign effort. 5 refs., 6 figs

  16. The design of laser radar data acquisition system based on LabVIEW

    Han, Dalong; Han, Shaokun; Cao, Jingya; Xia, Wenze; Wang, Liang

    2015-08-01

    Lidar has been widely used in areas of ranging and imaging. To be able to perform real-time control of the entire system, this article designed a lidar data acquisition system based on LabVIEW and the PC system allows real-time display for data acquired by lidar system. Through the serial port, the PC system can adjust part of the laser radar system parameters, such as frequency, APD (Avalanche Photo Diode) bias, the echo threshold, etc in real-time. In this way, we achieve the instruction communication between the PC system and the lidar. In addition, the PC system can also acquire data from the lidar through the Ethernet. Through the practical test, the PC system can successfully acquire and display the echo signal measured by lidar system in real-time, and function of parameter adjustment is also very sensitive.

  17. Improvement of web-based data acquisition and management system for GOSAT validation lidar data analysis

    Okumura, Hiroshi; Takubo, Shoichiro; Kawasaki, Takeru; Abdullah, Indra Nugraha; Uchino, Osamu; Morino, Isamu; Yokota, Tatsuya; Nagai, Tomohiro; Sakai, Tetsu; Maki, Takashi; Arai, Kohei

    2013-01-01

    A web-base data acquisition and management system for GOSAT (Greenhouse gases Observation SATellite) validation lidar data-analysis has been developed. The system consists of data acquisition sub-system (DAS) and data management sub-system (DMS). DAS written in Perl language acquires AMeDAS (Automated Meteorological Data Acquisition System) ground-level local meteorological data, GPS Radiosonde upper-air meteorological data, ground-level oxidant data, skyradiometer data, skyview camera images, meteorological satellite IR image data and GOSAT validation lidar data. DMS written in PHP language demonstrates satellite-pass date and all acquired data. In this article, we briefly describe some improvement for higher performance and higher data usability. GPS Radiosonde upper-air meteorological data and U.S. standard atmospheric model in DAS automatically calculate molecule number density profiles. Predicted ozone density prole images above Saga city are also calculated by using Meteorological Research Institute (MRI) chemistry-climate model version 2 for comparison to actual ozone DIAL data.

  18. A camac based data acquisition system for flat-panel image array readout

    A readout system has been developed to facilitate the digitization and subsequent display of image data from two-dimensional, pixellated, flat-panel, amorphous silicon imaging arrays. These arrays have been designed specifically for medical x-ray imaging applications. The readout system is based on hardware and software developed for various experiments at CERN and Fermi National Accelerator Laboratory. Additional analog signal processing and digital control electronics were constructed specifically for this application. The authors report on the form of the resulting data acquisition system, discuss aspects of its performance, and consider the compromises which were involved in its design

  19. Design and implementation of high-speed real-time data acquisition system based on FPGA

    WANG Xu-ying; LU Ying-hua; ZHANG Li-kun

    2006-01-01

    The electromagnetic radiation will result in information leakage being recovered when computers work. This article presents a high-speed real-time data acquisition system based on peripheral component interconnect (PCI) bus and field programmable gate array (FPGA) for sampling electromagnetic radiation caused by video signal. The hardware design and controlling flow of each module are introduced in detail. The sampling rate can reach 64 Msps and system transfers speed can be up to 128 Mb/s by using time interleaving, which increases the overall sampling speed of a system by operating two data converters in parallel.

  20. The visual and remote analyzing software for a Linux-based radiation information acquisition system

    A visual and remote analyzing software for the radiation information, which has the merit of universality and credibility, is developed based on the Linux operating system and the TCP/IP network protocol. The software is applied to visually debug and real time monitor of the high-speed radiation information acquisition system, and a safe, direct and timely control can assured. The paper expatiates the designing thought of the software, which provides the reference for other software with the same purpose for the similar systems

  1. Fast PC-based data acquisition system for gas-filled position sensitive detectors

    The high flux of the new generation of synchrotron radiation sources requires fast position sensitive detectors with high count rate data acquisition systems capability. Though the local count rate in a gas-filled position-sensitive detector is limited by the space charge effect, the integral rate will increase with the area of the detector. Thus, more than several 106 events per second can be achieved. Therefore, we developed a new PC-based histogramming and control interface (HCl) with an intrinsic dead time lower than 200 ns for linear and area X-ray detectors for time-resolved measurement applications. An overview of the complete acquisition system including a fast time-to-digital converter and image processing software will be given. The design principles and operating characteristics including experimental results obtained with a 100 mm linear delay-line detector at the SAXS beamline 5.2 in Elettra (Trieste) will be presented. (orig.)

  2. Method for signal conditioning and data acquisition system, based on variable amplification and feedback technique

    An original method of signal conditioning and adaptive amplification is proposed for data acquisition systems of analog signals, conceived to obtain a high resolution spectrum of any input signal. The procedure is based on a feedback scheme of the signal amplification with aim at maximizing the dynamic range and resolution of the data acquisition system. The paper describes the signal conditioning, digitization, and data processing procedures applied to an a priori unknown signal in order to enucleate its amplitude and frequency content for applications in different environments: on the ground, in space, or in the laboratory. An electronic board of the conditioning module has also been constructed and described. In the paper are also discussed the main fields of application and advantages of the method with respect to those known today

  3. Method for signal conditioning and data acquisition system, based on variable amplification and feedback technique

    Conti, Livio, E-mail: livio.conti@uninettunouniversity.net [Facoltà di Ingegneria, Università Telematica Internazionale Uninettuno, Corso Vittorio Emanuele II 39, 00186 Rome, Italy INFN Sezione Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome (Italy); Sgrigna, Vittorio [Dipartimento di Matematica e Fisica, Università Roma Tre, 84 Via della Vasca Navale, I-00146 Rome (Italy); Zilpimiani, David [National Institute of Geophysics, Georgian Academy of Sciences, 1 M. Alexidze St., 009 Tbilisi, Georgia (United States); Assante, Dario [Facoltà di Ingegneria, Università Telematica Internazionale Uninettuno, Corso Vittorio Emanuele II 39, 00186 Rome, Italy INFN Sezione Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome (Italy)

    2014-08-21

    An original method of signal conditioning and adaptive amplification is proposed for data acquisition systems of analog signals, conceived to obtain a high resolution spectrum of any input signal. The procedure is based on a feedback scheme of the signal amplification with aim at maximizing the dynamic range and resolution of the data acquisition system. The paper describes the signal conditioning, digitization, and data processing procedures applied to an a priori unknown signal in order to enucleate its amplitude and frequency content for applications in different environments: on the ground, in space, or in the laboratory. An electronic board of the conditioning module has also been constructed and described. In the paper are also discussed the main fields of application and advantages of the method with respect to those known today.

  4. Seismic data acquisition systems

    Details of seismic data acquisition systems developed at the Bhabha Atomic Research Centre, Bombay are reported. The seismic signals acquired belong to different signal bandwidths in the band from 0.02 Hz to 250 Hz. All these acquisition systems are built around a unique technique of recording multichannel data on to a single track of an audio tape and in digital form. Techniques of how these signals in different bands of frequencies were acquired and recorded are described. Method of detecting seismic signals and its performance is also discussed. Seismic signals acquired in different set-ups are illustrated. Time indexing systems for different set-ups and multichannel waveform display systems which form essential part of the data acquisition systems are also discussed. (author). 13 refs., 6 figs., 1 tab

  5. Installation of a digitizer based pulse processing and data acquisition system and related developments

    The use of digitizer based pulse processing and data acquisition system at the recent campaign of the Indian National Gamma Array (INGA) at Tata Institute of Fundamental Research (TIFR), Mumbai, has emanated the use of digital signal processing in spectroscopic endeavours being pursued in the country. The long and successful operation of the system at TIFR, and several experiments carried out therein, have contributed in edifying the user community on the nuances of the new technology and the possible refinements/ requirements in the context of the γ-ray spectroscopic endeavours

  6. Multiprocessor data acquisition system

    A multiprocessor data acquisition system has been built to replace the single processor systems at the Intense Pulsed Neutron Source (IPNS) at Argonne National Laboratory. The multiprocessor system was needed to accommodate the higher data rates at IPNS brought about by improvements in the source and changes in instrument configurations. This paper describes the hardware configuration of the system and the method of task sharing and compares results to the single processor system

  7. MPS Data Acquisition System

    A description is given of the data acquisition system used with the multiparticle spectrometer facility at Brookhaven. Detailed information is provided on that part of the system which connects the detectors to the data handler; namely, the detector electronics, device controller, and device port optical isolator

  8. New KENS data acquisition system

    In this report, the authors discuss a data acquisition system, KENSnet, which is newly introduced to the KENS facility. The criteria for the data acquisition system was about 1 MIPS for CPU speed and 150 Mbytes for storage capacity for a computer per spectrometer. VAX computers were chosen with their propreitary operating system, VMS. The Vax computers are connected by a DECnet network mediated by Ethernet. Front-end computers, Apple Macintosh Plus and Macintosh II, were chosen for their user-friendly manipulation and intelligence. New CAMAC-based data acquisition electronics were developed. The data acquisition control program (ICP) and the general data analysis program (Genie) were both developed at ISIS and have been installed. 2 refs., 3 figs., 1 tab

  9. The MicroVAX-based data acquisition system for D0

    A large array of Micro VAX computers will be used for high-speed data acquisition and online filtering in the D0 experiment at Fermi National Laboratory. Described is this system, as well as several smaller data acquisition systems now operational, with particular emphasis on the control and communication software. The computers in this array will run under VAXELN

  10. Python based integration of GEM detector electronics with JET data acquisition system

    Zabołotny, Wojciech M.; Byszuk, Adrian; Chernyshova, Maryna; Cieszewski, Radosław; Czarski, Tomasz; Dalley, Simon; Hogben, Colin; Jakubowska, Katarzyna L.; Kasprowicz, Grzegorz; Poźniak, Krzysztof; Rzadkiewicz, Jacek; Scholz, Marek; Shumack, Amy

    2014-11-01

    This paper presents the system integrating the dedicated measurement and control electronic systems for Gas Electron Multiplier (GEM) detectors with the Control and Data Acquisition system (CODAS) in the JET facility in Culham, England. The presented system performs the high level procedures necessary to calibrate the GEM detector and to protect it against possible malfunctions or dangerous changes in operating conditions. The system also allows control of the GEM detectors from CODAS, setting of their parameters, checking their state, starting the plasma measurement and to reading the results. The system has been implemented using the Python language, using the advanced libraries for implementation of network communication protocols, for object based hardware management and for data processing.

  11. Performance Confirmation Data Acquisition System

    The purpose of this analysis is to identify and analyze concepts for the acquisition of data in support of the Performance Confirmation (PC) program at the potential subsurface nuclear waste repository at Yucca Mountain. The scope and primary objectives of this analysis are to: (1) Review the criteria for design as presented in the Performance Confirmation Data Acquisition/Monitoring System Description Document, by way of the Input Transmittal, Performance Confirmation Input Criteria (CRWMS M and O 1999c). (2) Identify and describe existing and potential new trends in data acquisition system software and hardware that would support the PC plan. The data acquisition software and hardware will support the field instruments and equipment that will be installed for the observation and perimeter drift borehole monitoring, and in-situ monitoring within the emplacement drifts. The exhaust air monitoring requirements will be supported by a data communication network interface with the ventilation monitoring system database. (3) Identify the concepts and features that a data acquisition system should have in order to support the PC process and its activities. (4) Based on PC monitoring needs and available technologies, further develop concepts of a potential data acquisition system network in support of the PC program and the Site Recommendation and License Application

  12. Data acquisition system enhancements

    The principal data acquisition system consists of a DEC PDP 11/60 computer with two 5 megabyte RL-01 disks, a 1600 bpi 75 ips 9 track tape drive, a Printronix P-300 printer/plotter with a Trilog Tektronix hardcopy board, a DEC VT-11 graphics display, a Tektronix 4006 terminal and a BiRa MBD-11 controlling a CAMAC crate to connect with twelve Tracor Northern TN-1213 ADCs. 15 NPL-built 75 MHz scalers are read via an IEEE-488 bus interface. New data acquisition hardware and software are described and some programming considerations are discussed

  13. The Linux based distributed data acquisition system for the ISTRA+ experiment

    The DAQ hardware of the ISTRA+ experiment consists of the VME system crate that contains two PCI-VME bridges interfacing two PCs with VME, external interrupts receiver, the readout controller for dedicated front-end electronics, the readout controller buffer memory module, the VME-CAMAC interface, and additional control modules. The DAQ computing consist of 6 PCs running the Linux operating system and linked into LAN. The first PC serves the external interrupts and acquires the data from front-end electronic. The second one is the slow control computer. The remaining PCs host the monitoring and data analysis software. The Linux based DAQ software provides the external interrupts processing, the data acquisition, recording, and distribution between monitoring and data analysis tasks running at DAQ PCs. The monitoring programs are based on two packages for data visualization: home-written one and the ROOT system. MySQL is used as a DAQ database

  14. Advanced IPNE data acquisition system

    A complex and flexible data acquisition system has been developed in order to run relative complex experiments in our acceleration system - ALIGATOR. AIDA programme has been carried out on a small PDP - 11/34 computer and is based on a CAMAC hardware. The main hardware and software features are presented. (authors)

  15. A Spartan 6 FPGA-based data acquisition system for dedicated imagers in nuclear medicine

    We present the development of a four-channel low-cost hardware system for data acquisition, with application in dedicated nuclear medicine imagers. A 12 bit octal channel high-speed analogue to digital converter, with up to 65 Msps sampling rate, was used for the digitization of analogue signals. The digitized data are fed into a field programmable gate array (FPGA), which contains an interface to a bank of double data rate 2 (DDR2)-type memory. The FPGA processes the digitized data and stores the results into the DDR2. An ethernet link was used for data transmission to a personal computer. The embedded system was designed using Xilinx's embedded development kit (EDK) and was based on Xilinx's Microblaze soft-core processor. The system has been evaluated using two different discrete optical detector arrays (a position-sensitive photomultiplier tube and a silicon photomultiplier) with two different pixelated scintillator arrays (BGO, LSO:Ce). The energy resolution for both detectors was approximately 25%. A clear identification of all crystal elements was achieved in all cases. The data rate of the system with this implementation can reach 60 Mbits s−1. The results have shown that this FPGA data acquisition system is a compact and flexible solution for single-photon-detection applications. (paper)

  16. Development of a PC-based data acquisition and control system

    An inexpensive data acquisition and control system was developed, which can easily be used with different computers for many agricultural and biological applications. The high-speed data acquisition and control device uses only an RS-232 serial port to interface with a PC. The device has two analo...

  17. The FINUDA data acquisition system

    A parallel scalable Data Acquisition System, based on VME, has been developed to be used in the FINUDA experiment, scheduled to run at the DAPHNE machine at Frascati starting from 1997. The acquisition software runs on embedded RTPC 8067 processors using the LynxOS operating system. The readout of event fragments is coordinated by a suitable trigger Supervisor. data read by different controllers are transported via dedicated bus to a Global Event Builder running on a UNIX machine. Commands from and to VME processors are sent via socket based network protocols. The network hardware is presently ethernet, but it can easily changed to optical fiber

  18. Design of data acquisition system ZOH production process equipment of ZBS (zircon based sulfate)

    Design of data acquisition system of ZOH maker unit from ZBS has performed. Design is done as a follow-up of The Design Flow stirred tank reactor (RATB) ZOH Making of ZBS is equipped with a data acquisition system. The design of the system is going to work based on constants or parameters that have been previously calculated. Design method begins with understanding the process description of ZBS ZOH continuous basis, identify the parameters to be observed. Description of the process need to know to determine the actuator is used, as for these parameters are used to determine the sensor to be used. The parameter are the detection of NH4OH and ZBS reserves the feeder tank, flow rate ZBS and NH4OH, the temperature inside RATB, RATB and pH , the produced flow rate of ZOH. Based on the calculation, in order to get the results needed ZOH ZBS will flow into the reactor at the rate of 10 ml/min simultaneously with NH4OH with discharge flow 6.1 ml/min into the RATB 3 liters volume. When the volume reaches half tank RATB then start heating is turned on while the constant feed flow. Conditions of pH and temperature on the RATB always monitored by setting point pH at 10 while setting point temperature of 90°C. Monitoring parameters require gauge/transducer or a particular sensor. The study on the obtained results in the form of a flow chart design controller when controlling the process, when read and transmit data, and display the resulting data acquisition process parameters on the screen according to the parameters that was planned. (author)

  19. Remote Fault Information Acquisition and Diagnosis System of the Combine Harvester Based on LabVIEW

    Chen, Jin; Wu, Pei; Xu, Kai

    Most combine harvesters have not be equipped with online fault diagnosis system. A fault information acquisition and diagnosis system of the Combine Harvester based on LabVIEW is designed, researched and developed. Using ARM development board, by collecting many sensors' signals, this system can achieve real-time measurement, collection, displaying and analysis of different parts of combine harvesters. It can also realize detection online of forward velocity, roller speed, engine temperature, etc. Meanwhile the system can judge the fault location. A new database function is added so that we can search the remedial measures to solve the faults and also we can add new faults to the database. So it is easy to take precautions against before the combine harvester breaking down then take measures to service the harvester.

  20. Computer-based supervisory control and data acquisition system for the radioactive waste evaporator

    The evaporator process at TA-55 reduces the amount of transuranic liquid radioactive waste by separating radioactive salts from relatively low-level radioactive nitric acid solution. A computer-based supervisory control and data acquisition (SCADA) system has been installed on the process that allows the operators to easily interface with process equipment. Individual single-loop controllers in the SCADA system allow more precise process operation with less human intervention. With this system, process data can be archieved in computer files for later analysis. Data are distributed throughout the TA-55 site through a local area network so that real-time process conditions can be monitored at multiple locations. The entire system has been built using commercially available hardware and software components

  1. A data acquisition and analysis system based on LabVIEW and ROOT

    An interfacing technology between LabVIEW and ROOT is realized by loading and running the executable file. This technology can make the best of their own advantages of design a powerful and efficient data acquisition and analysis system. This paper ends up with two successful application examples of this interfacing technology: the data acquisition system for the gas ratio monitor and the optical performance test system for the EMC crystal in BESIII. (authors)

  2. A microcomputer based multi parametric system for nuclear data acquisition and processing

    A four-parameter Multi parametric System for the acquisition and processing of nuclear data is described. It is characterized for its flexibility and relatively low cost, also guaranteeing a high acquisition capacity. The system allows to be utilized in a multi parametric manner, in pulse height analysis or in many combination of both for parameter. It is described the hardware and the software of the system

  3. Modular data acquisition system based on transputer technology for bi-dimensional time coincidence counting

    We describe the rationale and the test of a modular Data AcQuisition system (DAQ) for bi-dimensional (X-Y) digital imaging, based on a 16 channel Time-to-Digital Converter (TDC) NIM module connected to a specially designed TRAnsputer Module (TRAM). TDC time resolution is 12.5 ns (LSB) with a 40 MHz clock, time range is 3.3 s (28 bits), for a maximum rate of 500 kHz/channel guaranteed. The TDC+TRAM pair is the basic unit that can be scaled in modules of 8X+8Y channels to meet the user's requirement for a larger number of X-Y channels to be considered simultaneously. TDC directly accesses the large RAM memory (32 Mbytes) of the INMOS T805 (20 MHz) transputer on the TRAM board. Each transputer in the modular system is a node of a ring network, whose root transputer node is hosted in a i386-based personal computer. After real-time data acquisition, a parallel reconstruction algorithm resolves time coincidences. Laboratory tests give a reconstruction time of 6.2 s for 1.28 105 events on 16 X+16 Y channels (2 TDC+2 TRAM), obtained in 1 s with a fluence of 5x104 events/mm2 (typically used in radiological imaging) on an area of 1.6x1.6 mm2. ((orig.))

  4. Design and development of a PC based data acquisition system for automating thermal impact reporting

    The objective of this paper is to describe the design and development of an automated personal computer (PC) based data acquisition system for reporting the thermal impact of a fossil fueled power plant on its circulating water source. The system's prime functions are to collect and archive data and perform thermal hydraulic calculations necessary for reporting the plant's thermal impact on Waters of the United States to the Illinois Environmental Protection Agency (IEPA). The main objectives of the monitoring project were to reduce the labor required in the reporting process and to improve the accuracy in determining the circulating water flow rates through each of the station's three generating units. Additional efforts concentrated on enhancing condenser and circulating water pump performance information and providing an interface with the existing plant performance monitoring system

  5. The Data Acquisition System For Multichannel Spectrometer On Base Of The NGDP Framework

    Isupov, A. Yu.; Kovtun, V. E.; Foshchan, A. G.

    2010-04-01

    In present work it is proposed to implement the data acquisition system (DAQ COMBAS) for the fragment—separator COMBAS under freely distributed UNIX—like operating system (OS) FreeBSD on base of the ngdp framework, which allows to build modular distributed DAQ. As a CAMAC subsystem the camac package (DLNP JINR) is used, which encapsulates code deals with each supported crate controller into corresponding driver. Authors create the driver kh(4) for the PCI adapter of the CC02 controller (Karazin Kharkov National University). The runtime configurable r2h(1) histogram server module is supposed. The histGUI(1) client module is intended for histograms viewing as well as for r2h(1) runtime control and configurating. The histGUI(1) client will not depend on DAQ and ngdp system libraries, so can be compiled under any OS equipped by the ROOT package.

  6. A VMEbus based data acquisition system for a multi-element detector array

    A data acquisition system based on VME standard modules has been designed for MULTICS, a multi-element detector array. The system is composed of a master crate housing CPUs, Memories, Interface and Pattern boards. Up to 15 VME slave crates can be connected using the VMV vertical bus for ADC and TDC boards. A Macintosh Quadra is used as a console to provide a user friendly environment to send commands to the CPUs. Tools in the system include collecting and storing data, displaying histograms, handling all hardware parameters (high and low thresholds, rise time protection etc.). Diagnostic functions and error messages are also available to detect hardware failures or incorrect settings for the modules

  7. Advanced Data Acquisition Systems

    Perotti, J.

    2003-01-01

    Current and future requirements of the aerospace sensors and transducers field make it necessary for the design and development of new data acquisition devices and instrumentation systems. New designs are sought to incorporate self-health, self-calibrating, self-repair capabilities, allowing greater measurement reliability and extended calibration cycles. With the addition of power management schemes, state-of-the-art data acquisition systems allow data to be processed and presented to the users with increased efficiency and accuracy. The design architecture presented in this paper displays an innovative approach to data acquisition systems. The design incorporates: electronic health self-check, device/system self-calibration, electronics and function self-repair, failure detection and prediction, and power management (reduced power consumption). These requirements are driven by the aerospace industry need to reduce operations and maintenance costs, to accelerate processing time and to provide reliable hardware with minimum costs. The project's design architecture incorporates some commercially available components identified during the market research investigation like: Field Programmable Gate Arrays (FPGA) Programmable Analog Integrated Circuits (PAC IC) and Field Programmable Analog Arrays (FPAA); Digital Signal Processing (DSP) electronic/system control and investigation of specific characteristics found in technologies like: Electronic Component Mean Time Between Failure (MTBF); and Radiation Hardened Component Availability. There are three main sections discussed in the design architecture presented in this document. They are the following: (a) Analog Signal Module Section, (b) Digital Signal/Control Module Section and (c) Power Management Module Section. These sections are discussed in detail in the following pages. This approach to data acquisition systems has resulted in the assignment of patent rights to Kennedy Space Center under U.S. patent # 6

  8. Data Acquisition System Based in MDAS Unit for the FEBEX Project

    The engineered barrier concept for the storage of radioactive wastes is being tested at CIEMAT facilities. This document describes the data acquisition system of one of that experiments. (Author) 2 refs

  9. Data Acquisition System

    The Data Acquisition System (DAS) is comprised of a Hewlett-Packard (HP) model 9816, Series 200 Computer System with the appropriate software to acquire, control, and archive data from a Data Acquisition/Control Unit, models HP3497A and HP3498A. The primary storage medium is an HP9153 16-megabyte hard disc. The data is backed-up on three floppy discs. One floppy disc drive is contained in the HP9153 chassis; the other two comprise an HP9122 dual disc drive. An HP82906A line printer supplies hard copy backup. A block diagram of the hardware setup is shown. The HP3497A/3498A Data Acquisition/Control Units read each input channel and transmit the raw voltage reading to the HP9816 CPU via the HPIB bus. The HP9816 converts this voltage to the appropriate engineering units using the calibration curves for the sensor being read. The HP9816 archives both the raw and processed data along with the time and the readings were taken to hard and floppy discs. The processed values and reading time are printed on the line printer. This system is designed to accommodate several types of sensors; each type is discussed in the following sections

  10. Design and Development of PC Based Data Acquisition System for Radiation Measurement

    M. A. A. Mashud

    2013-06-01

    Full Text Available A PC based data acquisition was designed and developed using GM detector and a programmable microcontroller 16F876 of PIC family. This unit was calibrated with the standard Canberra Counter. It gave prompt response directly and has low power consumption. It was tested for gamma ray measurement to continuously monitor a radiological resulting from the natural and man-made sources that threat site security and human health. The system was simple to use, required no additional hardware and allows the selection of data. The collected data were easily being exported to a PC via parallel port. A "C" language program was developed to control the function of the entire system, using PCWH compiler.

  11. FPGA based High Speed Data Acquisition System for High Energy Physics Application

    Mandal, Swagata; Chakrabarti, Amlan; Chattopadhyay, Subhasis

    2015-01-01

    In high energy physics experiments (HEP), high speed and fault resilient data communication is needed between detectors/sensors and the host PC. Transient faults can occur in the communication hardware due to various external effects like presence of charged particles, noise in the environment or radiation effects in HEP experiments and that leads to single/multiple bit error. In order to keep the communication system functional in such a radiation environment where direct intervention of human is not possible, a high speed data acquisition (DAQ) architecture is necessary which supports error recovery. This design presents an efficient implementation of field programmable gate array (FPGA) based high speed DAQ system with optical communication link supported by multi-bit error correcting model. The design has been implemented on Xilinx Kintex-7 board and is tested for board to board communication as well as for PC communication using PCI (Peripheral Component Interconnect express). Data communication speed up...

  12. Multiprocessor based data acquisition system for radiation monitoring in nuclear reactors

    Expensive minicomputers are required for building powerful Data Acquisition Systems (DAS) capable of scanning and processing large number of signals in a real-time environment. However by using the inexpensive microprocessors in multiprocessor configuration it is possible to build DASs that are as powerful as minicomputer based systems at much lesser cost. This paper describes such a multiprocessor based DAS designed for acquiring data from various radiation monitoring instruments of a nuclear reactor. The system is built by using MULTIBUS standard boards based on intel 8086, 16 bit microprocessor, with local and shared memory. The system monitors upto 128 analog input channels, 64 digital input channels and actuates upto 128 digital output contacts. The system continuously checks for the alarm condition of the input channels and displays the alarm status on an ALARM CRT. Facility has been provided for the transfer of data to a central computer. At any instant of time, the information regarding different channels being monitored is available from the local console as well as through five remote terminals located at various places in the reactor building. (author)

  13. Vol. 30 - A Novel Data Acquisition System Based on Fast Optical Links and Universal Readout Boards

    Korcyl, Grzegorz

    2015-01-01

    Various scale measurement systems are composed of the sensors providing data through the data acquisition system to the archiving facility. The scale of such systems is determined by the number of sensors that require processing and can vary from few up to hundreds of thousands. The number and the type of sensors impose several requirements on the data acquisition system like readout frequency, measurement precision and online analysis algorithms. The most challenging application s are the large scale experiments in nuclear and particle physics . This thesis presents a concept , construction and tests of a modular and scalable, tree - structured architecture of a data acquisition system. The system is composed out of two logical elemen ts: endpoints which are the modules providing data and hubs that concentrate the data streams from the endpoints and provide connectivity with the rest of the system. Those two logica...

  14. MIDAS-W: a workstation-based incoherent scatter radar data acquisition system

    J. M. Holt

    Full Text Available The Millstone Hill Incoherent Scatter Data Acquisition System (MIDAS is based on an abstract model of an incoherent scatter radar. This model is implemented in a hierarchical software system, which serves to isolate hardware and low-level software implementation details from higher levels of the system. Inherent in this is the idea that implementation details can easily be changed in response to technological advances. MIDAS is an evolutionary system, and the MIDAS hardware has, in fact, evolved while the basic software model has remained unchanged. From the earliest days of MIDAS, it was realized that some functions implemented in specialized hardware might eventually be implemented by software in a general-purpose computer. MIDAS-W is the realization of this concept. The core component of MIDAS-W is a Sun Microsystems UltraSparc 10 workstation equipped with an Ultrarad 1280 PCI bus analog to digital (A/D converter board. In the current implementation, a 2.25 MHz intermediate frequency (IF is bandpass sampled at 1 µs intervals and these samples are multicast over a high-speed Ethernet which serves as a raw data bus. A second workstation receives the samples, converts them to filtered, decimated, complex baseband samples and computes the lag-profile matrix of the decimated samples. Overall performance is approximately ten times better than the previous MIDAS system, which utilizes a custom digital filtering module and array processor based correlator. A major advantage of MIDAS-W is its flexibility. A portable, single-workstation data acquisition system can be implemented by moving the software receiver and correlator programs to the workstation with the A/D converter. When the data samples are multicast, additional data processing systems, for example for raw data recording, can be implemented simply by adding another workstation with suitable software to the high-speed network. Testing of new data processing software is also greatly

  15. MIDAS-W: a workstation-based incoherent scatter radar data acquisition system

    Holt, J. M.; Erickson, P. J.; Gorczyca, A. M.; Grydeland, T.

    2000-09-01

    The Millstone Hill Incoherent Scatter Data Acquisition System (MIDAS) is based on an abstract model of an incoherent scatter radar. This model is implemented in a hierarchical software system, which serves to isolate hardware and low-level software implementation details from higher levels of the system. Inherent in this is the idea that implementation details can easily be changed in response to technological advances. MIDAS is an evolutionary system, and the MIDAS hardware has, in fact, evolved while the basic software model has remained unchanged. From the earliest days of MIDAS, it was realized that some functions implemented in specialized hardware might eventually be implemented by software in a general-purpose computer. MIDAS-W is the realization of this concept. The core component of MIDAS-W is a Sun Microsystems UltraSparc 10 workstation equipped with an Ultrarad 1280 PCI bus analog to digital (A/D) converter board. In the current implementation, a 2.25 MHz intermediate frequency (IF) is bandpass sampled at 1 µs intervals and these samples are multicast over a high-speed Ethernet which serves as a raw data bus. A second workstation receives the samples, converts them to filtered, decimated, complex baseband samples and computes the lag-profile matrix of the decimated samples. Overall performance is approximately ten times better than the previous MIDAS system, which utilizes a custom digital filtering module and array processor based correlator. A major advantage of MIDAS-W is its flexibility. A portable, single-workstation data acquisition system can be implemented by moving the software receiver and correlator programs to the workstation with the A/D converter. When the data samples are multicast, additional data processing systems, for example for raw data recording, can be implemented simply by adding another workstation with suitable software to the high-speed network. Testing of new data processing software is also greatly simplified, because a

  16. A PC-based data acquisition system for enhanced reactor operation

    A PC-based data acquisition system, developed at the PUSPATI TRIGA Reactor facility (RTP), has proven to be a versatile tool in improving both operational and research capabilities. The system consists of a 16-bit personal computer with plug-in input/output board that captures analog signals and converts them to digital form with 12-bit accuracy. Direct memory access within the board enables fast communication through the host PC buslines. Built-in micro-coded commands were combined with the BASIC-language software. At the signal end, isolation amplifiers were installed for protection against ground disturbances and loops. Applications of the system include computerized rod and power calibrations. Menu-driven software and computerized data logging has increased accuracy at minimal manpower costs. For reactor operation monitoring, up to 16 single-ended input channels were available with a maximum sampling capability of 13,700 samples per second. Analog signals such as reactor power, fuel temperature and control rod positions were tapped from the instrumentation channels and sequentially multiplexed and digitized, then displayed on a monitor which serves as additional operator support. Data continuously monitored can be easily stored and retrieved, enabling rapid access and efficient management. The data acquisition system has also been used for work on reactor noise analysis. Signals from the fission chamber of the linear power channel were sampled in various operating modes at different power levels to identify noise signatures and sources. Software development centered on frequency and time domain analysis, file management and plotting routines. The initial language used was FORTRAN 1.0 but this was rewritten in PASCAL 2.0 to enhance calculation speed and reduce storage space. Results show that the technique was capable of detecting core disturbances caused by control rod oscillation and uneven distribution of samples in the specimen rotary rack during operation

  17. Portable data acquisition system

    Lawrence Livermore National Laboratory (LLNL) has developed a Portable Data Acquisition (DAQ) System that is basically a laboratory-scale of Program Logic Control (PLC). This DAQ system can obtain signals from numerous sensors (e.g., pH, level, pressure, flow meters), open and close valves, and turn on and off pumps. The data can then be saved on a spreadsheet or displayed as a graph/indicator in real-time on a computer screen. The whole DAQ system was designed to be portable so that it could sit on a bench top during laboratory-scale treatability studies, or moved out into the field during larger studies. This DAQ system is also fairly simple to use. All that is required is some working knowledge of LabVIEW 4.1, and how to properly wire the process equipment. The DAQ system has been used during treatability studies on cesium precipitation, controlled hydrolysis of water- reactive wastes, and other waste treatment studies that enable LLNL to comply with the Federal Facility Compliance Act (FFCAct). Improved data acquisition allows the study to be better monitored, and therefore better controlled, and can be used to determine the results of the treatment study more effectively. This also contributes to the design of larger treatment processes

  18. Design of bridge crane girder strain acquisition system based on virtual instrument

    Wenxue LIU

    Full Text Available Girder is an important part of the bridge crane, which is also the main force element. In order to prevent accidents, it is necessary to collect the bridge crane girder stress data to analyse the fatigue life. This paper constructs a bridge crane girder strain acquisition system. The hardware system consists of sensors, connectors, data acquisition cards, wireless data transmission groups, POE power and host computer. The software system consists of NI MAX to interface with the computer's NI hardware and software resources,and LabVIEW programming to display and storage the girder strain data. Through this system, positions and working days strain data acquisition for the 50/10 t bridge crane girder gets the key positions strain data. The results show that the girder strain data acquisition system runs stably, channel signals of acquisition task transmit accurately, and the terminal data stores competely, meeting the detection requirements, which provides an important data support for the subsequent fatigue analysis and accurate remaining service life prediction of the crane girder.

  19. Design and implementation of photoelectric rotary table data acquisition and analysis system host computer software based on VC++ and MFC

    Yang, Dawei; Yang, Xiufang; Han, Junfeng; Yan, Xiaoxu

    2015-02-01

    Photoelectric rotary table is mainly used in the defense industry and military fields, especially in the shooting range, target tracking, target acquisition, aerospace aspects play an important one. For range photoelectric measuring equipment field test application requirements, combined with a portable photoelectric rotary table data acquisition hardware system, software programming platform is presented based on the VC++, using MFC prepared PC interface, the realization of photoelectric turntable data acquisition, analysis and processing and debugging control. The host computer software design of serial communication and protocol, real-time data acquisition and display, real-time data curve drawing, analog acquisition, debugging guide, error analysis program, and gives the specific design method. Finally, through the photoelectric rotary table data acquisition hardware system alignment, the experimental results show that host computer software can better accomplish with lower machine data transmission, data acquisition, control and analysis, and to achieve the desired effect, the entire software system running performance is stable, flexible, strong practicality and reliability, the advantages of good scalability.

  20. The Linux Based Distributed Data Acquisition System for the ISTRA+ Experiment

    A.Filin; A.Inyakin; 等

    2001-01-01

    The DAQ hardware of the ISTRA+experiment consists of the VME system crate that contains two PCI-VME bridges interfacing two PC's with VME,external interrupts receiver,the readout controller for dedicated front-end electronics,the read-out controller buffer memory module,the VME-CAMAC interface,and additional control modules,The DAQ computing consist of 6 PC's running the Linux operating system and linked into LAN.The first PC serves the external interrupts and acquires the data from front-end electronics,The second one is the slow control computer.The remaining PC's host the monitoring and data analysis software.The Linux based DAQ software provides the external interrupts procssing,the data acquisition,recording,and distribution between monitoring and data analysis tasks running at DAQ PC's.The monitoring programs are based on two packages for data visualization:home-written on and the ROOT system.My SQl is used as a DAQ database.

  1. Embedded data acquisition system for EAST

    The embedded data acquisition system for the Experimental Advanced Super- conducting Tokamak (EAST) was designed. This system is based on the FPGA and ARM technology, integrates signal conditioning, data acquisition and processing into the single board, and provides a high integration and portability level architecture. At the same time, the 'time sliced' technology is introduced into the software system for providing a continuous acquisition and quasi real-time data transferring capability. (authors)

  2. Consumer server: A UNIX based event distributor in new CDF data acquisition system

    Consumer Server is a program to handle event data and consumer trigger requests I/Os among Level 3 farm and consumer processes in CDF new data acquisition system. This program uses standard UNIX libraries and commercial network technologies to obtain higher portability. The authors describe the concept and configuration of the Consumer Server and report its performance

  3. Fast Access Data Acquisition System

    Dr. Vladimir Katsman

    1998-03-17

    Our goal in this program is to develop Fast Access Data Acquisition System (FADAS) by combining the flexibility of Multilink's GaAs and InP electronics and electro-optics with an extremely high data rate for the efficient handling and transfer of collider experimental data. This novel solution is based on Multilink's and Los Alamos National Laboratory's (LANL) unique components and technologies for extremely fast data transfer, storage, and processing.

  4. The MAST data acquisition system - system architecture

    A new data acquisition (DA) system has been developed for the MAST experiment at Culham. It has also been implemented on the COMPASS experiment as a replacement for the old PDP-11 based data acquisition system and as a test bed for MAST. The DA system is distributed across a number of computers with a DA process for each distinct diagnostic system. An object-orientated approach is taken to the control and readout of each device in the system. It is designed to be independent of the hardware interfaces used on each diagnostic. The system is flexible enough to cope with diagnostics ranging from those involving simple time evolving signals to complex spectrometers, and will incorporate a new high speed distributed timing system. This system is also being considered as the interface to the real time Plasma Control system on MAST. A distributed scheduling system is used to co-ordinate the activity of each DA process with the Central Control system for each experiment. This paper describes the architecture of this data acquisition system with particular emphasis on the core of the data acquisition system. Aspects of distributed implementation of the system on real diagnostics are discussed in a companion paper

  5. A Service-oriented FPGA-based 3D Model Acquisition System

    MACHIDON, O. M.

    2015-11-01

    Full Text Available This paper proposes a non-contact, low cost 3D scanning solution using laser striping. The solution is composed of two main parts: the hardware setup - used for acquiring the object's 3D surface information, and the software part - that processes the information and obtains the 3D model representation of the object. We propose two major improvements over the traditional scanning solutions: the 3D information acquisition is based on a reconfigurable hardware platform - a Xilinx Spartan 6 FPGA - which adds flexibility and scalability to the scanning process, while the 3D model reconstruction is remotely available "as a Service", by the means of a web interface that abstracts away the complexity of the underlying processes and improves the performance, while granting easy sharing between users. By separating data capture process from the 3D model reconstruction tasks the system gains in portability - a feature that is absent for most existing solutions. The service-oriented approach brings on a performance gain, since the computational intensive tasks are handled by dedicated servers and ease of use of the system, because the user does not have to bother managing and using the software tools locally.

  6. Portable processor based data acquisition system for gamma-ray borehole logging

    A low power portable processor based data acquisition unit for gross and spectral gamma-ray logging was designed, developed and fabricated for in-situ quantitative measurement of radioactive elemental concentrations in boreholes, trenches, radioactive out crops and mines. The software incorporated in the system corrects for inter-channel contributions and does arithmetic calculations using count rates obtained for a preset time in potassium, uranium, thorium and total channels and displays the radio-elemental concentrations as well as uncorrected count rates in the channels on the front panel Liquid Crystal Display (LCD). Self-test diagnostic software along with appropriate audio-visual indications alleviates the operator problem normally encountered with conventional analog count-rate meters used so far. Bore-hole logging sonde with built-in multichannel analyser is being developed to acquire gamma-ray spectrums in a bore-hole for computation of radio-elemental concentrations, uranium/thorium discrimination and for study of lithology and stratigraphic correlation. This paper describes the hardware and software features developed for the system. (author). 1 ref., 2 figs

  7. Online Data Monitoring Framework Based on Histogram Packaging in Network Distributed Data Acquisition Systems

    Online monitor frameworkis a new general software framework for online data monitoring, which provides a way to collect information from online systems, including data acquisition, and displays them to shifters far from experimental sites. 'Monitor Server', a core system in this framework gathers the monitoring information from the online subsystems and the information is handled as collections of histograms named Histogram Package. Monitor Server broadcasts the histogram packages to 'Monitor Viewers', graphical user interfaces in the framework. We developed two types of the viewers with different technologies: Java and web browser. We adapted XML based file for the configuration of GUI components on the windows and graphical objects on the canvases. Monitor Viewer creates its GUIs automatically with the configuration files.This monitoring framework has been developed for the Double Chooz reactor neutrino oscillation experiment in France, but can be extended for general application to be used in other experiments. This document reports the structure of the online monitor framework with some examples from the adaption to the Double Chooz experiment.

  8. DEAP-3600 Data Acquisition System

    Lindner, Thomas

    2015-12-01

    DEAP-3600 is a dark matter experiment using liquid argon to detect Weakly Interacting Massive Particles (WIMPs). The DEAP-3600 Data Acquisition (DAQ) has been built using a combination of commercial and custom electronics, organized using the MIDAS framework. The DAQ system needs to suppress a high rate of background events from 39Ar beta decays. This suppression is implemented using a combination of online firmware and software-based event filtering. We will report on progress commissioning the DAQ system, as well as the development of the web-based user interface.

  9. Design of the SLAC RCE Platform: A General Purpose ATCA Based Data Acquisition System

    The SLAC RCE platform is a general purpose clustered data acquisition system implemented on a custom ATCA compliant blade, called the Cluster On Board (COB). The core of the system is the Reconfigurable Cluster Element (RCE), which is a system-on-chip design based upon the Xilinx Zynq family of FPGAs, mounted on custom COB daughter-boards. The Zynq architecture couples a dual core ARM Cortex A9 based processor with a high performance 28nm FPGA. The RCE has 12 external general purpose bi-directional high speed links, each supporting serial rates of up to 12Gbps. 8 RCE nodes are included on a COB, each with a 10Gbps connection to an on-board 24-port Ethernet switch integrated circuit. The COB is designed to be used with a standard full-mesh ATCA backplane allowing multiple RCE nodes to be tightly interconnected with minimal interconnect latency. Multiple shelves can be clustered using the front panel 10-gbps connections. The COB also supports local and inter-blade timing and trigger distribution. An experiment specific Rear Transition Module adapts the 96 high speed serial links to specific experiments and allows an experiment-specific timing and busy feedback connection. This coupling of processors with a high performance FPGA fabric in a low latency, multiple node cluster allows high speed data processing that can be easily adapted to any physics experiment. RTEMS and Linux are both ported to the module. The RCE has been used or is the baseline for several current and proposed experiments (LCLS, HPS, LSST, ATLAS-CSC, LBNE, DarkSide, ILC-SiD, etc).

  10. Design of the SLAC RCE Platform: A General Purpose ATCA Based Data Acquisition System

    Herbst, R. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Claus, R. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Freytag, M. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Haller, G. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Huffer, M. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Maldonado, S. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Nishimura, K. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; O' Grady, C. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Panetta, J. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Perazzo, A. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Reese, B. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Ruckman, L. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Thayer, J. G. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.; Weaver, M. [SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Research Engineering Div.

    2015-01-23

    The SLAC RCE platform is a general purpose clustered data acquisition system implemented on a custom ATCA compliant blade, called the Cluster On Board (COB). The core of the system is the Reconfigurable Cluster Element (RCE), which is a system-on-chip design based upon the Xilinx Zynq family of FPGAs, mounted on custom COB daughter-boards. The Zynq architecture couples a dual core ARM Cortex A9 based processor with a high performance 28nm FPGA. The RCE has 12 external general purpose bi-directional high speed links, each supporting serial rates of up to 12Gbps. 8 RCE nodes are included on a COB, each with a 10Gbps connection to an on-board 24-port Ethernet switch integrated circuit. The COB is designed to be used with a standard full-mesh ATCA backplane allowing multiple RCE nodes to be tightly interconnected with minimal interconnect latency. Multiple shelves can be clustered using the front panel 10-gbps connections. The COB also supports local and inter-blade timing and trigger distribution. An experiment specific Rear Transition Module adapts the 96 high speed serial links to specific experiments and allows an experiment-specific timing and busy feedback connection. This coupling of processors with a high performance FPGA fabric in a low latency, multiple node cluster allows high speed data processing that can be easily adapted to any physics experiment. RTEMS and Linux are both ported to the module. The RCE has been used or is the baseline for several current and proposed experiments (LCLS, HPS, LSST, ATLAS-CSC, LBNE, DarkSide, ILC-SiD, etc).

  11. Web-based data acquisition

    胡旭东; 俞红; 陈鹰

    2002-01-01

    The research work on Web-based long-distance data acquisition (DAQ) is valuable for application to tele-detection machine faults. With an expert system for machine fault detection, faults in a distantly located machine can be diagnosed through the internet. The distant user logs on to the expert system Web page, fills in the requirements, and starts-up the diagnose process. The system then connects to the DAQ server that is installed in the machine, samples data required for diagnoses through the internet, and sends back diagnose results. In such a long-distance system, Web-based DAQ plays an important role by automatic sampling and transferring of data through the internet. We have built an experimental data acquisition system using a National Instruments AT-MIO-16E-10 board running under Ch language environment. In this experimental example, the user can acquire data online. The principle of this experimental method is introduced in this paper. A detailed programming technique is described with an example.

  12. WRATS Integrated Data Acquisition System

    Piatak, David J.

    2008-01-01

    The Wing and Rotor Aeroelastic Test System (WRATS) data acquisition system (DAS) is a 64-channel data acquisition display and analysis system specifically designed for use with the WRATS 1/5-scale V-22 tiltrotor model of the Bell Osprey. It is the primary data acquisition system for experimental aeroelastic testing of the WRATS model for the purpose of characterizing the aeromechanical and aeroelastic stability of prototype tiltrotor configurations. The WRATS DAS was also used during aeroelastic testing of Bell Helicopter Textron s Quad-Tiltrotor (QTR) design concept, a test which received international attention. The LabVIEW-based design is portable and capable of powering and conditioning over 64 channels of dynamic data at sampling rates up to 1,000 Hz. The system includes a 60-second circular data archive, an integrated model swashplate excitation system, a moving block damping application for calculation of whirl flutter mode subcritical damping, a loads and safety monitor, a pilot-control console display, data analysis capabilities, and instrumentation calibration functions. Three networked computers running custom-designed LabVIEW software acquire data through National Instruments data acquisition hardware. The aeroelastic model (see figure) was tested with the DAS at two facilities at NASA Langley, the Transonic Dynamics Tunnel (TDT) and the Rotorcraft Hover Test Facility (RHTF). Because of the need for seamless transition between testing at these facilities, DAS is portable. The software is capable of harmonic analysis of periodic time history data, Fast Fourier Transform calculations, power spectral density calculations, and on-line calibration of test instrumentation. DAS has a circular buffer archive to ensure critical data is not lost in event of model failure/incident, as well as a sample-and-hold capability for phase-correct time history data.

  13. Acquisition system for the CLIC Module

    Vilalte, Sebastien

    2011-01-01

    The status of R&D activities for CLIC module acquisition are discussed [1]. LAPP is involved in the design of the local CLIC module acquisition crate, described in the document Study of the CLIC Module Front-End Acquisition and Evaluation Electronics [2]. This acquisition system is a project based on a local crate, assigned to the CLIC module, including several mother boards. These motherboards are foreseen to hold mezzanines dedicated to the different subsystems. This system has to work in radiation environment. LAPP is involved in the development of Drive Beam stripline position monitors read-out, described in the document Drive Beam Stripline BPM Electronics and Acquisition [3]. LAPP also develops a generic acquisition mezzanine that allows to perform all-around acquisition and components tests for drive beam stripline BPM read-out.

  14. Data Driven - Android based displays on data acquisition and system status

    Canilho, Paulo

    2014-01-01

    For years, both hardware and software engineers have struggled with the acquisition of device information in a flexible and fast perspective, numerous devices cannot have their status quickly tested due to time limitation associated with the travelling to a computer terminal. For instance, in order to test a scintillator status, one has to inject beam into the device and quickly return to a terminal to see the results, this is not only time demanding but extremely inconvenient for the person responsible, it consumes time that would be used in more pressing matters. In this train of thoughts, the proposal of creating an interface to bring a stable, flexible, user friendly and data driven solution to this problem was created. Being the most common operative system for mobile display, the Android API proved to have the best efficient in financing, since it is based on an open source software, and in implementation difficulty since it’s backend development resides in JAVA calls and XML for visual representation...

  15. Programmable-System-on-Chip-based data acquisition system for educational purposes

    Manzano Rubio, Fernando

    2012-01-01

    The project aims to implement a PSoC DVK based DAS system learning resource. The idea is to provide a way to develop signal acquiring basic knowledge, as well as a tool to implement simple measures. In order to do it, hardware and software have been implemented. Hardware consists of PSoC DVK, which has the functions of AC and DC signal acquiring and generating, showing information about the selected function and the acquired signal through a display, and transmitting the acquired samples t...

  16. Fast data acquisition system based on digital oscilloscopes for fluctuation measurements in a long pulse JT-60U tokamak plasma

    We have developed a new data acquisition (DAQ) system with fast sampling rate for fluctuation measurements in a long pulse JT-60U tokamak plasma. This system is based on a powerful digital oscilloscope, which has a large acquisition memory up to 50 Mwords/ch, 1 MHz sampling rate and 16 bits high resolution AD convertors. The system is composed of plural digital oscilloscopes and mass storages. On this system, most of data acquisition processes are executed at each digital oscilloscope. This feature of the system leads to an advantage that the processing loads are distributed among the digital oscilloscopes. This system has been successfully employed for measurements of various fluctuations obtained through magnetic probes, beam emission spectroscopy and so on. The size of the acquired data using this system has reached up to 10 GB/shot so far. It has demonstrated that this system is very powerful for data acquisition of multi-channeled signals with high time resolution in a long pulse plasma

  17. Computer-based data acquisition system in the Large Coil Test Facility

    The utilization of computers for data acquisition and control is of paramount importance on large-scale fusion experiments because they feature the ability to acquire data from a large number of sensors at various sample rates and provide for flexible data interpretation, presentation, reduction, and analysis. In the Large Coil Test Facility (LCTF) a Digital Equipment Corporation (DEC) PDP-11/60 host computer with the DEC RSX-11M operating system coordinates the activities of five DEC LSI-11/23 front-end processors (FEPs) via direct memory access (DMA) communication links. This provides host control of scheduled data acquisition and FEP event-triggered data collection tasks. Four of the five FEPs have no operating system

  18. A microcomputer-based data acquisition system for diagnostic monitoring and control of high-speed electric motors

    Moyers, Kevin Keith

    1987-01-01

    A microcomputer-based data acquisition and control system was designed for the diagnostic monitoring and control of high-speed electric motors. The system was utilized in high-speed bearing life-testing, using an electric motor as a test vehicle. Bearing vibration and outer race temperature were continuously monitored for each ball bearing in the motor. In addition, the stator winding and motor casing temperature were monitored. The monitoring system was successful i...

  19. Distributed mass data acquisition system based on PCs and windows NT for LHD fusion plasma experiment

    A new data acquisition and management system has been developed for the LHD experiment. It has the capability to process 100 MB - 1 GB raw data within a few tens seconds after every plasma discharge. It employs wholly distributed and loosely-tied parallel tasking structure through a fast network, and the cluster of the distributed database severs seems to be a virtual macro-machine as a whole. A PC/Windows NT computer is installed for each diagnostics data acquisition of about 30 kinds, and it controls CAMAC digitizers through the optical SCSI extenders. The diagnostic timing system consists of some kinds of VME modules that are installed to remotely control the diagnostic devices in real-time. They can, as a whole system, distribute the synchronous sampling clocks and programmable triggers for measurement digitizers. The data retrieving terminals can access database as application service clients, and are functionally separated from the data acquisition severs by way of the switching Ethernet. (author)

  20. DANSS Experiment Data Acquisition System

    Hons, Zdenek

    2016-01-01

    DANSS (Detector of the reactor AntiNeutrino based on Solid Scintillator) is a project aiming to measure a spectrum of reactor antineutrinos using inverse beta decay (IBD) in a plastic scintillator. The detector is located close to an industrial nuclear reactor core and is covered by passive and active shielding. It is expected to detect about 15000 IBD events per day. Light from the detector is sensed by PMT and SiPM. This paper describes the data acquisition system used for data readout of the 50 detector PMT channels and active shielding. Theoretical approach to the data acquisition is described and two possible solutions using QDCs and digitizers are discussed. Also described are the results of the DAQ performance during routine data taking operation of the detector.

  1. Development of Labview based data acquisition and multichannel analyzer software for radioactive particle tracking system

    Rahman, Nur Aira Abd, E-mail: nur-aira@nuclearmalaysia.gov.my; Yussup, Nolida; Ibrahim, Maslina Bt. Mohd; Abdullah, Nor Arymaswati; Mokhtar, Mukhlis B. [Technical Support Division, Malaysian Nuclear Agency, 43000, Kajang, Selangor (Malaysia); Abdullah, Jaafar B.; Hassan, Hearie B. [Industrial Technology Division, Malaysian Nuclear Agency, 43000, Kajang, Selangor (Malaysia)

    2015-04-29

    A DAQ (data acquisition) software called RPTv2.0 has been developed for Radioactive Particle Tracking System in Malaysian Nuclear Agency. RPTv2.0 that features scanning control GUI, data acquisition from 12-channel counter via RS-232 interface, and multichannel analyzer (MCA). This software is fully developed on National Instruments Labview 8.6 platform. Ludlum Model 4612 Counter is used to count the signals from the scintillation detectors while a host computer is used to send control parameters, acquire and display data, and compute results. Each detector channel consists of independent high voltage control, threshold or sensitivity value and window settings. The counter is configured with a host board and twelve slave boards. The host board collects the counts from each slave board and communicates with the computer via RS-232 data interface.

  2. Development of Labview based data acquisition and multichannel analyzer software for radioactive particle tracking system

    Rahman, Nur Aira Abd; Yussup, Nolida; Abdullah, Jaafar B.; Ibrahim, Maslina Bt. Mohd; Abdullah, Nor Arymaswati; Mokhtar, Mukhlis B.; Hassan, Hearie B.

    2015-04-01

    A DAQ (data acquisition) software called RPTv2.0 has been developed for Radioactive Particle Tracking System in Malaysian Nuclear Agency. RPTv2.0 that features scanning control GUI, data acquisition from 12-channel counter via RS-232 interface, and multichannel analyzer (MCA). This software is fully developed on National Instruments Labview 8.6 platform. Ludlum Model 4612 Counter is used to count the signals from the scintillation detectors while a host computer is used to send control parameters, acquire and display data, and compute results. Each detector channel consists of independent high voltage control, threshold or sensitivity value and window settings. The counter is configured with a host board and twelve slave boards. The host board collects the counts from each slave board and communicates with the computer via RS-232 data interface.

  3. Development of Labview based data acquisition and multichannel analyzer software for radioactive particle tracking system

    A DAQ (data acquisition) software called RPTv2.0 has been developed for Radioactive Particle Tracking System in Malaysian Nuclear Agency. RPTv2.0 that features scanning control GUI, data acquisition from 12-channel counter via RS-232 interface, and multichannel analyzer (MCA). This software is fully developed on National Instruments Labview 8.6 platform. Ludlum Model 4612 Counter is used to count the signals from the scintillation detectors while a host computer is used to send control parameters, acquire and display data, and compute results. Each detector channel consists of independent high voltage control, threshold or sensitivity value and window settings. The counter is configured with a host board and twelve slave boards. The host board collects the counts from each slave board and communicates with the computer via RS-232 data interface

  4. A PC based intelligent data acquisition system for radiation dose monitoring

    Monitoring radiation levels of various areas of the hot-cells and associated active laboratories is essential for ensuring safety of the operating staff. Area gamma monitors installed at various location in the laboratory to monitor and record radiation dose in the vicinity area of their installation. These are stand alone instruments and offer local display of radiation level, generate local alarm and indication, if radiation level exceeds the set value. The existing system has several limitations, such as individual monitors display local reading and alarm. Neither centralized display, nor data logging is possible. History is not available. No Remote accept/reset facility. Routine checking by the personnel is only way to find out status of the monitors. New intelligent data acquisition system for monitoring area gamma monitors has been designed and developed to overcome these difficulties. The new system has been installed in the laboratories of Post Irradiation Examination Division of BARC. The major components of the system include: intelligent I/O modules located in the field near gamma monitor, fully configurable SCADA software and application program. The system has been tested and commissioned. New Data Acquisition System offers features such as real time on line data logging and storage; alarm logging, remote accept/reset facilities etc. The present paper describes the system in detail. (author)

  5. A LabVIEW-based data acquisition and processing system for synchrotron radiation monitoring

    Beam size measurement of an accelerator is very important to parameter optimization of the system's operation. The Shanghai Synchrotron Radiation Facility (SSRF) adopts synchrotron light measurement to perform real-time monitoring of the beam size without let or hindrance. In this paper, we introduce the light measurement system, including the light path control, data acquisition and data processing, in which LabVIEW is used to treat data from double slits interferometer. Precision of the beam size measurement can be at μm level. (authors)

  6. Bus-based architectures in the H1 data acquisition system

    The recently commissioned Hadron-Electron Ring Anage (HERA) electron-proton collider at DESY, Deutsches Elektronen Synchrotron has presented a challenging environment in coping with huge volumes of data in real-time. With bunch-crossing intervals of 96 nanoseconds, the H1 experiment can generate nearly 3 Megabytes of raw digital information from several hundred thousand electronic channels. The open VMEbus standard is exploited to provide the necessary modularity and system flexibility for embedding fast readout electronics in a multiprocessor design array. The architectural concepts of the data acquisition structure are discussed together with many of the experiences gained in implementing a large multi-crate system. (author)

  7. Architecture of the unified VME-based data acquisition system for the spectrometers at the IBR-2 reactor

    This report contains a brief description of the architecture and technical implementation of unified data acquisition systems for neutron spectrometers at IBR-2. These systems are based on a limited but functionally complete set of identical (from the viewpoint of hardware) VME blocks, in which the distinction in parameters, functional capabilities, encoding, as well as in correction and preliminary data processing procedures are realized by means of micro programs; electronic tables, switches, etc. (author)

  8. Interactive Knowledge Acquisition in Case Based Reasoning

    Cordier, Amélie; Fuchs, Béatrice; Lieber, Jean; Mille, Alain

    2007-01-01

    International audience In Case Based Reasoning (CBR), knowledge acquisition plays an important role as it allows to progressively improve the system's competencies. One of the approaches of knowledge acquisition consists in performing it while the system is used to solve a problem. An advantage of this strategy is that it is not to constraining for the expert: the system exploits its interactions to acquire pieces of knowledge it needs to solve the current problem and takes the opportunity...

  9. Windows-based acquisition and image reconstruction for a multi-element imaging system

    A system has been developed for acquiring data from a multi-element gamma ray imaging device. Data is acquired and stored in a flexible list mode format, which allows all necessary analyses and hardware diagnostics to be performed in one application. This system is currently used with a Compton scatter camera for detector calibration, data collection, count rate display for individual elements, histogram display, and image reconstruction and display. The software is implemented on a personal computer with a 33 MHz 80486 processor and 8 Mb of RAM under Microsoft Windows copyright Version 3.1. The maximum acquisition rate of the system is 8,000 counts per second. The system allows other applications to operate while it is acquiring data and has been written to easily accommodate additional analysis tools and different imaging systems

  10. A Measure of Systems Engineering Effectiveness in Government Acquisition of Complex Information Systems: A Bayesian Belief Network-Based Approach

    Doskey, Steven Craig

    2014-01-01

    This research presents an innovative means of gauging Systems Engineering effectiveness through a Systems Engineering Relative Effectiveness Index (SE REI) model. The SE REI model uses a Bayesian Belief Network to map causal relationships in government acquisitions of Complex Information Systems (CIS), enabling practitioners to identify and…

  11. Multi spectral scaling data acquisition system

    In nuclear spectroscopy applications, it is often desired to acquire data at high rate with high resolution. With the availability of low cost computers, it is possible to make a powerful data acquisition system with minimum hardware and software development, by designing a PC plug-in acquisition board. But in using the PC processor for data acquisition, the PC can not be used as a multitasking node. Keeping this in view, PC plug-in acquisition boards with on-board processor find tremendous applications. Transputer based data acquisition board has been designed which can be configured as a high count rate pulse height MCA or as a Multi Spectral Scaler. Multi Spectral Scaling (MSS) is a new technique, in which multiple spectra are acquired in small time frames and are then analyzed. This paper describes the details of this multi spectral scaling data acquisition system. 2 figs

  12. A self contained Linux based data acquisition system for 2D detectors with delay line readout

    This article describes a fast and self-contained data acquisition system for 2D gas-filled detectors with delay line readout. It allows the realization of time resolved experiments in the millisecond scale. The acquisition system comprises of an industrial PC running Linux, a commercial time-to-digital converter and an in-house developed histogramming PCI card. The PC provides a mass storage for images and a graphical user interface for system monitoring and control. The histogramming card builds images with a maximum count rate of 5 MHz limited by the time-to-digital converter. Histograms are transferred to the PC at 85 MB/s. This card also includes a time frame generator, a calibration channel unit and eight digital outputs for experiment control. The control software was developed for easy integration into a beamline, including scans. The system is fully operational at the Spanish beamline BM16 at the ESRF in France, the neutron beamlines Adam and Eva at the ILL in France, the Max Plank Institute in Stuttgart in Germany, the University of Copenhagen in Denmark and at the future ALBA synchrotron in Spain. Some representative collected images from synchrotron and neutron beamlines are presented

  13. DANSS Experiment Data Acquisition System

    Hons, Zdenek; Vlášek, Jakub

    2016-01-01

    DANSS (Detector of the reactor AntiNeutrino based on Solid Scintillator) is a project aiming to measure a spectrum of reactor antineutrinos using inverse beta decay (IBD) in a plastic scintillator. The detector is located close to an industrial nuclear reactor core and is covered by passive and active shielding. It is expected to detect about 15000 IBD events per day. Light from the detector is sensed by PMT and SiPM. This paper describes the data acquisition system used for data readout of t...

  14. Data acquisition system for MEGHA

    A multi-channel data acquisition system has been commissioned for the Charissa 'MEGHA' detector array. It is designed to read multiparameter events where there are many potential channels (320) but where only a fraction of these are active in any typical event. Custom-built pre- and main amplifiers process the amplitude (energy) signal from each detector and the system records both amplitude and time of arrival for each signal within an event. The signal amplitude is converted to time using the standard Wilkinson technique and then combined with its time of arrival into a single time trace. These traces are converted by multi-hit TDCs, which only convert the active channels and thus reduce the processing load. Additional custom-built CAMAC modules organise the TDC output into a suitable form for storage and transmission to a network of processor terminals over standard ethernet. This paper presents a description of the data acquisition system from preamplifier through to final storage in a VME-based system and subsequent distribution to a network of Sun terminals over ethernet. The system performance is illustrated with results from heavy-ion elastic scattering recorded with position sensitive strip detectors

  15. Development of data acquisition system for small-scale industrial CT based on USB2.0

    In order to meet the requirements of the small-scale industrial CT of small size, needing small quantities of detector, in short-transmission distance, it designs a kind of data acquisition system based on a small interval detector, FPGA and USB2.0. The system pick X-CARD 0.2-256G as the detector chip. FPGA is the master chip, which controls the timing of data-collecting-block and detecting-block, storages the data, then sends it to host PC through the USB interface chip EZ-FX2LP CY7C68013A for image reconstruction. The system has been verified by experiment, and the results show that the USB transfer speed can reach 33.2 MB/s. The system satisfies the requirements of data acquisition for small-scale industrial CT. (authors)

  16. Aircraft Nodal Data Acquisition System (ANDAS) Project

    National Aeronautics and Space Administration — Development of an Aircraft Nodal Data Acquisition System (ANDAS) based upon the short haul Zigbee networking standard is proposed. It employs a very thin (135 um)...

  17. A flexible LabVIEWTM-based data acquisition and analysis system for scanning microscopy

    A new data analysis system has been developed with computer-controlled beam and sample positioning, video sample imaging, multiple large solid angle detectors for X-rays and gamma-rays, and surface barrier detectors for charged particles. The system uses the LabVIEWTM programming language allowing it to be easily ported between different computer operating systems. In the present configuration, digital signal processors are directly interfaced to a SCSI CAMAC controller. However, the modular software design permits the substitution of other hardware with LabVIEW-supported drivers. On-line displays of histogram and two-dimensional elemental map images provide a user-friendly data acquisition interface. Subregions of the two-dimensional maps may be selected interactively for detailed analysis or for subsequent scanning. Off-line data processing of archived data currently yields elemental maps, analyzed spectra and reconstructions of tomographic data

  18. A flexible Labviewtrademark-based data acquisition and analysis system for scanning microscopy

    A new data analysis system has been developed with computer-controlled beam and sample positioning, video sample imaging, multiple large solid angle detectors for x-rays and gamma-rays, and surface barrier detectors for charged particles. The system uses the LabVIEWtrademark programming language allowing it to be easily ported between different computer operating systems. In the present configuration, digital signal processors are directly interfaced to a SCSI CAMAC controller. However, the modular software design permits the substitution of other hardware with LabVIEW-supported drivers. On-line displays of histogram and two-dimensional elemental map images provide a user-friendly data acquisition interface. Subregions of the two-dimensional maps may be selected interactively for detailed analysis or for subsequent scanning. Off-line data processing of archived data currently yields elemental maps, analyzed spectra and reconstructions of tomographic data

  19. System Definition-Enabled Acquisition (SDEA)'A Concept for Defining Requirements for Applying Model-Based Systems Engineering (MBSE) to the Acquisition of DoD Complex Systems

    Paul Montgomery; Ron Carlson; John Quartuccio

    2012-01-01

    Proceedings Paper (for Acquisition Research Program) The complexity of designing and acquiring weapons systems continues to increase due to highly integrated system architectures, rapid technology evolution, and emergence of highly diverse set of missions. The imperatives of system-of-systems integration and interoperability further complicate the system acquisition process. These challenges continue to frustrate completing the acquisition of systems within time and budget goals. The acqui...

  20. Multi-modal Intelligent Seizure Acquisition (MISA) system - A new approach towards seizure detection based on full body motion measures

    Conradsen, Isa; Beniczky, Sándor; Wolf, Peter; Terney, Daniella; Sams, Thomas; Sørensen, Helge Bjarup Dissing

    hazards. Today no reliable alarm systems are available. A Multi-modal Intelligent Seizure Acquisition (MISA) system based on full body motion data seems as a good approach towards detection of epileptic seizures. The system is the first to provide a full body description for epilepsy applications. Three......) and audio and video recording. The results showed that a non-subject specific MISA system developed on data from the modalities: accelerometer (ACM), gyroscope and EMG is able to detect 98% of the simulated seizures and at the same time mistakes only 4 of the normal movements for seizures. If the...

  1. Microcontroller-Based Fault Tolerant Data Acquisition System For Air Quality Monitoring And Control Of Environmental Pollution

    Tochukwu Chiagunye; Eze Aru Okereke; Ilo Somtoochukwu

    2015-01-01

    ABSTRACT The design applied Passive fault tolerance to a microcontroller based data acquisition system to achieve the stated considerations where redundant sensors and microcontrollers with associated circuitry were designed and implemented to enable measurement of pollutant concentration information from chimney vents in two industry. Microsoft visual basic was used to develop a data mining tool which implemented an underlying artificial neural network model for forecasting pollutant concent...

  2. A USB-2 based portable data acquisition system for detector development and nuclear research

    Jiang Hao; Ojaruega, M. [Department of Physics, University of Michigan, Ann Arbor, MI 48109 (United States); Becchetti, F.D., E-mail: fdb@umich.edu [Department of Physics, University of Michigan, Ann Arbor, MI 48109 (United States); Griffin, H.C.; Torres-Isea, R.O. [Department of Physics, University of Michigan, Ann Arbor, MI 48109 (United States)

    2011-10-01

    A highly portable high-speed CAMAC data acquisition system has been developed using Kmax software (Sparrow, Inc.) for Macintosh laptop and tower computers. It uses a USB-2 interface to the CAMAC crate controller with custom-written software drivers. Kmax permits 2D parameter gating and specific algorithms have been developed to facilitate the rapid evaluation of various multi-element nuclear detectors for energy and time-of-flight measurements. This includes tests using neutrons from {sup 252}Cf and a 2.5 MeV neutron generator as well as standard gamma calibration sources such as {sup 60}Co and {sup 137}Cs. In addition, the system has been used to measure gamma-gamma coincidences over extended time periods using radioactive sources (e.g., Ra-228, Pa-233, Np-237, and Am-243).

  3. A USB-2 based portable data acquisition system for detector development and nuclear research

    A highly portable high-speed CAMAC data acquisition system has been developed using Kmax software (Sparrow, Inc.) for Macintosh laptop and tower computers. It uses a USB-2 interface to the CAMAC crate controller with custom-written software drivers. Kmax permits 2D parameter gating and specific algorithms have been developed to facilitate the rapid evaluation of various multi-element nuclear detectors for energy and time-of-flight measurements. This includes tests using neutrons from 252Cf and a 2.5 MeV neutron generator as well as standard gamma calibration sources such as 60Co and 137Cs. In addition, the system has been used to measure gamma-gamma coincidences over extended time periods using radioactive sources (e.g., Ra-228, Pa-233, Np-237, and Am-243).

  4. BESII online data acquisition system

    The authors introduce the hardware configuration, software structure and upgrading of the BES online data acquisition system, and also report the run status and abilities of the online data monitor and analysis after upgrading

  5. Portable Data Acquisition System Project

    National Aeronautics and Space Administration — Armstrong researchers have developed a portable data acquisition system (PDAT) that can be easily transported and set up at remote locations to display and archive...

  6. Behavior of a trapezoid-based data acquisition system up to 100 kHz and beyond

    In this work, we investigated the ability of a high-purity germanium detector connected to a trapezoid-filter-based data acquisition system to reliably record signals in spite of high sample activities. By activating multiple Na2CO3 samples with different Na content, we were able to deduce efficiency, resolution and dead time of the system used as a function of the sample activity. Based on the results, we were able to find a setting which allows measurements of event rates up to 35 kHz per readout channel with an energy resolution of 0.3% at the 2754 keV 24Na line

  7. Summary of control and data acquisition systems for Nova based inertial confinement studies

    The Nova Laser has completed its first year of operation. During this period, emphasis has been placed on activation of the facility and of the numerous target and beam diagnostics. Two separate target chambers are in use. Nova operation is separated into two broad functions: laser operations and experiments. The operations group provides the laser system control, operation and data acquisition and the experiments group provides experiment definition, diagnostic instrumentation and overall data processing. This paper reports on the overall Operations side. VAX 11/780 computers are used to set up diagnostic operating parameters and collect data recorded by the CAMAC and CCD modules. These data are delivered in files by electronic link to the laser experiments and analysis facility (LEAF) VAX 11/785 of the experiments group for processing. Film data are digitized at LEAF and the film data files also processed on the LEAF VAX

  8. Design and development of CRIO based data acquisition and control system for high voltage bushing experiment

    In Diagnostic Neutral Beam (DNB), High Voltage (HV) bushing is an interface between the HV transmission line and Beam source. For validating the design of HVB of DNB, a scaled down configuration of the Bushing is fabricated, referred to as PHVB and assembled. This PHVB is to be subjected to long duration HV tests up to 60 kV under vacuum conditions for verifying the voltage holding capacity of the bushing. For automating the entire experimental process of HVB experiment and acquiring important experimental data up to 3600 sec for post analysis, a dedicated Data Acquisition and Control System (DACS) is required. This will help in understanding the behavior of the PHVB in High voltage and vacuum environment. Also it is required that high speed breakdown events are monitored. CRIO (compact reconfigurable input output) is a rugged, small sized hardware platform which combines the power of real time processor and FPGA bus. It is becoming an upcoming standard for medium sized experiment. For ensuring smooth control operation of the experiment; NI CRIO was selected as the controller for DACS. In this experiment the CRIO provides a user interface for setting of important control set points of power supply and vacuum system. Also it provides seamless control and acquisition for pulse durations of up to 3600 sec. The voltage signal is generated as a ramp signal with upper voltage set point. The ramp rate applied is 1.5 kV/min and is user configurable. The testing of PHVB has been successfully completed using the developed DACS. In this paper the technical details of DACS design, implementation and test results shall be discussed. (author)

  9. The standard GANIL data acquisition system

    The GANIL general data acquisition system is described, which is based on VME crates distributed in several experimental areas, linked to a VAX cluster by optical fibers and ethernet for control and storage. Acquisition buses are CAMAC, FERA and VXI. The system configuration, experiment description procedures and adaptation for VXI and remote controls for the 4π INDRA detector are presented. The INDRA asynchronous electronic trigger is also discussed. (author) 2 refs., 4 figs

  10. Development of PC based control and data acquisition system for photphysics beamline at Indus-1 synchrotron source

    A control and data acquisition system (DAS) has been designed and developed for photophysics beamline facility at Indus-1, CAT, Indore. It consists of two independent DASs for two monochromators e.g. 1-meter Seya-Namioka monochromator developed indigenously and a microcontroller based 1/4 meter Czerny-Turner monochromator procured from M/s CVI Laser. Each DAS performs tasks such as grating movement control, signal detection, digitization and acquisition. For this purpose, hardware has been developed around procured components e.g. stepper motor, driver, photomultiplier tube, counter/timer/DIO card, etc. These components are interconnected through a control and data acquisition unit developed in-house and are being controlled using a PC. User-friendly software has been developed using VC++ to provide modes like move to wavelength, scan wavelength, single step, set parameters, check reference and plot of scan data. The system performance has been tested with standard source (Hg lamp) and found to be satisfactory. Absorption spectrum of benzene and fluorescence spectrum of typical multilayer (Gd2O3 + SiO2+ Gd2O3 tri-layer) have been recorded with this setup. The stability of the system is excellent and the data recorded at very low beam current, i.e. lower than 8 mA beam current for fluorescence signal, also provides significant information of the sample. The system is being used for characterization of various gaseous and solid-state samples. (author)

  11. IBM PC based supervisory control and data acquisition (SCADA) system for uranium metal purification plant

    Uranium Metal Plant (UMP) is using solvent extraction for production of pure metal nitrate solution. This is achieved with the help of slurry extraction process in which aqueous metal solution is contacted with an immiscible organic phase, controlled by chemical equilibrium. The phase transfer of metal is selectively achieved. Two phases are then allowed to separate by difference in densities. The aqueous and organic solutions are mixed by air lifting and separated in the settler tank. At each stage a large amount of organic stream is recycled from settler to mixer, to avoid formation of stable emulsion due to the presence of solids in aqueous phase. The whole process has considerable hold-up and is very slow. Any change, is responded very slowly and hence very accurate measurement and control of parameters are required. In case of failure or in emergency, if correct and safe actions are not taken, it will cause considerable loss. Thus to achieve higher efficiency in extraction and better yield, a modern automatic control system is important. A compact reliable interactive control system, required to keep the operator updated with all the information regarding plant must be available and the operator can take necessary actions at the earliest. Supervisory control and data acquisition (SCADA) system discussed here relates to the slurry extraction process of UMP. (author). 1 fig

  12. IBM-PC based data acquisition system for a laser enhanced ionisation spectrometer using a low cost GPIB card

    An IBM-PC based data acquisition system has been developed for the existing laser enhanced ionisation spectrometer in the Division. Here the boxcar averager (type SR 250) which integrates the spectrometer output is interfaced to an IBM-PC, converted into a GPIB controller with the help of a locally available GPIB card, (Dynalog Micro Systems make PCL 848) through the GPIB port of the computer interface module (SR 245). The menu driven software developed in BASIC, triggers the scan in the dye laser through its control port, collects data from the spectrometer, plots, displays and stores it on the hard disc for further use. (author). 6 refs., 18 figs., 2 appendixes

  13. Data acquisition on a VME/68000 system

    A data acquisition system for correlated or independent events handling has been designed. This system is based on VME boards and 68000 processors. The software include data taking, on line sort and storage on magnetic tape. A driver has been written under the UNIX operating system for a high graphic resolution VME board, this implementation was provided as an off-line facility. (author)

  14. A Scaler-Based Data Acquisition System for Measuring Parity Violation Asymmetry in Deep Inelastic Scattering

    Subedi, Ramesh; Pan, Kai; Deng, Xiaoyan; Michaels, Robert; Reimer, Paul E; Shahinyan, Albert; Wojtsekhowski, Bogdan; Zheng, Xiaochao

    2013-01-01

    An experiment that measured the parity violating asymmetries in deep inelastic scattering was completed at the Thomas Jefferson National Accelerator Facility in experimental Hall A. From these asymmetries, a combination of the quark weak axial charge could be extracted with a factor of five improvement in precision over world data. To achieve this, asymmetries at the $10^{-4}$ level needed to be measured at event rates up to 500 kHz and the high pion background typical to deep inelastic scattering experiments needed to be rejected efficiently. A specialized data acquisition (DAQ) system with intrinsic particle identification (PID) was successfully developed and used: The pion contamination in the electron samples was controlled at the order of $2\\times 10^{-4}$ or below with an electron efficiency of higher than 91% throughout the production period of the experiment, the systematic uncertainty in the measured asymmetry due to DAQ deadtime was below 0.2%, and the statistical quality of the asymmetry measuremen...

  15. Full-wave-equation depth extrapolation for true amplitude migration based on a dual-sensor seismic acquisition system

    You, Jiachun; Li, Guangcai; Liu, Xuewei; Han, Wengong; Zhang, Guangde

    2016-03-01

    Most depth extrapolation schemes are based on a one-way wave equation, which possesses limited ability to provide the true amplitude values of reflectors that are highly important for amplitude-versus-offset inversion. After analysing the weaknesses of current migration methods and explaining the reason why wavefields cannot be extrapolated using the full-wave equation in the depth direction, a full-wave-equation migration method based on a new seismic acquisition system is proposed to provide accurately dynamic information of reflection interfaces for migration. In this new seismic acquisition system, double sensor data are provided to solve the acoustic wave equation in the depth domain accurately. To test the performance of recovering the true amplitudes of the full-wave-equation migration, we used a single shot gather and several multiple shot gathers produced by a 2-D numerical modelling technique to demonstrate that our methodology provides better estimated true amplitudes than that of the conventional Kirchhoff and reverse time migration algorithms through comparison of the amplitudes of the target reflectors with its theoretical reflection coefficients. Because double sensors are applied to implement the full-wave-equation migration, it is necessary to study the perfect distance between the double sensors to diminish the migration error for future practical exploration. Based on the application of the full-wave-equation migration method to the first set of actual seismic data collected from our double sensor acquisition system, our proposed method yields higher imaging quality than that of conventional methods. Numerical experiments and actual seismic data show that our proposed method has built a new bridge between true amplitude common-shot migration and full-wave-equation depth extrapolation.

  16. The meteorological data acquisition system

    The 200 m meteorological tower of the Karlsruhe Nuclear Research Center has been equipped with 45 instruments measuring the meteorological parameters near the ground level. Frequent inquiry of the instruments implies data acquisition with on-line data reduction. This task is fulfilled by some peripheral units controlled by a PDP-8/I. This report presents details of the hardware configuration and a short description of the software configuration of the meteorological data acquisition system. The report also serves as an instruction for maintenance and repair work to be carried out at the system. (orig.)

  17. Microcontroller-Based Fault Tolerant Data Acquisition System For Air Quality Monitoring And Control Of Environmental Pollution

    Tochukwu Chiagunye

    2015-08-01

    Full Text Available ABSTRACT The design applied Passive fault tolerance to a microcontroller based data acquisition system to achieve the stated considerations where redundant sensors and microcontrollers with associated circuitry were designed and implemented to enable measurement of pollutant concentration information from chimney vents in two industry. Microsoft visual basic was used to develop a data mining tool which implemented an underlying artificial neural network model for forecasting pollutant concentrations for future time periods. The feed forward back propagation method was used to train the ANN model with a training data set while a decision tree algorithm was used to select an optimal output result for the model from its two output neurons.

  18. Design of data acquisition system for double linear CCD based on FPGA and USB 2.0

    The paper discusses a design of data acquisition system for double linear CCD (Charge Coupled Device) based on FPGA and USB2.0 interface. It analyses the driving schedules pulse of the TCD1001P and gives one method for designing of driving schedules pulse, then it briefly introduces the GPIF (General Programmable Interface) working models of the USB controller EZ-USB FX2 (CY7C68013). At last, this paper introduces the design of the firmware and windows drivers for USB device. (authors)

  19. Models, methods and software for distributed knowledge acquisition for the automated construction of integrated expert systems knowledge bases

    Based on an analysis of existing models, methods and means of acquiring knowledge, a base method of automated knowledge acquisition has been chosen. On the base of this method, a new approach to integrate information acquired from knowledge sources of different typologies has been proposed, and the concept of a distributed knowledge acquisition with the aim of computerized formation of the most complete and consistent models of problem areas has been introduced. An original algorithm for distributed knowledge acquisition from databases, based on the construction of binary decision trees has been developed

  20. Two Demonstrations with a New Data-Acquisition System

    Kraftmakher, Yaakov

    2014-01-01

    Nowadays, the use of data-acquisition systems in undergraduate laboratories is routine. Many computer-assisted experiments became possible with the PASCO scientific data-acquisition system based on the 750 Interface and DataStudio software. A new data-acquisition system developed by PASCO includes the 850 Universal Interface and Capstone software.…

  1. A LabVIEW-based data acquisition system for the UTEP/Orsay Instrumented Collimator

    Full text: We have successfully employed an instrumented collimator of aperture 2 mm for the g8a run (summer, 2001) in Hall B of Jefferson Lab, which was designed and tested by UTEP and engineered and built by the Institut de Physique Nucl ire in Orsay, France. The instrumentation of the collimator consists of four radially mounted scintillator + light guide + PMT elements possessing a left-right, up-down symmetry, which afforded the beam of photons to be precisely aligned to the central axis of the collimator. The collimator was sensitive to rather modest beam motion of the order of a few tens of microns. We made use of the physical fact that the emission angle of the coherent Bremsstrahlung photon component is correlated with its energy for enhancing the degree of polarization of the photon beam. We can extract the spectral peak by tightly collimating the beam and thereby reduce the incoherent background, which further serves to increase the degree of polarization. The maximum polar angle is limited by the opening angle of the collimator, which gives the lower limit for the coherent Bremsstrahlung photon energy. To achieve polarizations exceeding 75%, we must collimate the beam to better than one half of a characteristic angle. This means for a collimator-goniometer distance of 22 m, the aperture of the collimator should be ∼ 2 mm for an incident electron energy of Eo 5.7 GeV. We will report primarily on the bench top data acquisition system (DAQ), which interfaced LabVIEW through a SCSI connection to the VME back plane to readout CAEN QDCs. We employed this DAQ to test and calibrate the instrumented collimator. Our efforts were quite successful in that the device functioned beyond design specifications within one hour after the photon beam was directed onto the bore hole of the collimator. (Author)

  2. Knowledge acquisition from natural language for expert systems based on classification problem-solving methods

    Gomez, Fernando

    1989-01-01

    It is shown how certain kinds of domain independent expert systems based on classification problem-solving methods can be constructed directly from natural language descriptions by a human expert. The expert knowledge is not translated into production rules. Rather, it is mapped into conceptual structures which are integrated into long-term memory (LTM). The resulting system is one in which problem-solving, retrieval and memory organization are integrated processes. In other words, the same algorithm and knowledge representation structures are shared by these processes. As a result of this, the system can answer questions, solve problems or reorganize LTM.

  3. LabVIEW-based control and data acquisition system for cathodoluminescence experiments

    Bok, Jan; Schauer, Petr

    2011-01-01

    Roč. 82, č. 11 (2011), 113109:1-6. ISSN 0034-6748 R&D Projects: GA ČR GAP102/10/1410 Institutional research plan: CEZ:AV0Z20650511 Keywords : cathodoluminescence (CL) * LabVIEW * data acquisition Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering Impact factor: 1.367, year: 2011

  4. The ALICE data acquisition system

    Carena, F; Chapeland, S; Chibante Barroso, V; Costa, F; Dénes, E; Divià, R; Fuchs, U; Grigore, A; Kiss, T; Simonetti, G; Soós, C; Telesca, A; Vande Vyvre, P; Von Haller, B

    2014-01-01

    In this paper we describe the design, the construction, the commissioning and the operation of the Data Acquisition (DAQ) and Experiment Control Systems (ECS) of the ALICE experiment at the CERN Large Hadron Collider (LHC). The DAQ and the ECS are the systems used respectively for the acquisition of all physics data and for the overall control of the experiment. They are two computing systems made of hundreds of PCs and data storage units interconnected via two networks. The collection of experimental data from the detectors is performed by several hundreds of high-speed optical links. We describe in detail the design considerations for these systems handling the extreme data throughput resulting from central lead ions collisions at LHC energy. The implementation of the resulting requirements into hardware (custom optical links and commercial computing equipment), infrastructure (racks, cooling, power distribution, control room), and software led to many innovative solutions which are described together with ...

  5. System for the experimental data acquisition, processing and output on the base of the double-input CAMAC modules

    A system for experimental data acquisition, processing and output developed on the base of the double-input CAMAC module is described. Use of the double-input on-line memory unit at the capacity of up to 64k bite for experimental data storage and an external input controller permitted to obtain the time of the data input and output cycle in the storage equal to 1.6 μs. Rates of experimental data acquisition and output do not depend on the computer response or CAMAC cycle duration. They are determined only by the potentialities of the functional moduls. Combination of operations on data acquisi tion, processing and output is possible. Library of subroutines assuring processing in an on-line system with the SM-4, SM-3, ''Electronika-60'' computers is developed for the system. Subroutiines of this library can be fetched from the code written in the FORTRAN and MLCROASSEMBER and they assure: input/output to/from the computer buffer storage, synchronization of ipput/output operations redout from the buffer storage to the computer storage, recording data from the storage to the huffer storage

  6. Data acquisition system for BESIII MUON gas monitor

    A counting plateau data acquisition system and full energy photo electron peak spectrum data acquisition system were designed based on CAMAC, in order to research the performance of BESIII MUON gas monitor under 55Fe 5.9 KeV X-ray. With data acquisition board PCI-1716L, and adopting LabVIEW and ROOT software, we also designed a data acquisition system, which had long time running stability, accurate data analysis character and less electronic hardware. (authors)

  7. Design of FPGA based high-speed data acquisition and real-time data processing system on J-TEXT tokamak

    Highlights: • It is a data acquisition system for polarimeter–interferometer diagnostic on J-TEXT tokamak based on FPGA and PXIe devices. • The system provides a powerful data acquisition and real-time data processing performance. • Users can implement different data processing applications on the FPGA in a short time. • This system supports EPICS and has been integrated into the J-TEXT CODAC system. - Abstract: Tokamak experiment requires high-speed data acquisition and processing systems. In traditional data acquisition system, the sampling rate, channel numbers and processing speed are limited by bus throughput and CPU speed. This paper presents a data acquisition and processing system based on FPGA. The data can be processed in real-time before it is passed to the CPU. It provides processing ability for more channels with higher sampling rates than the traditional data acquisition system while ensuring deterministic real-time performance. A working prototype is developed for the newly built polarimeter–interferometer diagnostic system on the Joint Texas Experimental Tokamak (J-TEXT). It provides 16 channels with 120 MHz maximum sampling rate and 16 bit resolution. The onboard FPGA is able to calculate the plasma electron density and Faraday rotation angel. A RAID 5 storage device is adopted providing 700 MB/s read–write speed to buffer the data to the hard disk continuously for better performance

  8. BioWatch - a wrist watch based signal acquisition system for physiological signals including blood pressure.

    Thomas, Simi Susan; Nathan, Viswam; Chengzhi Zong; Akinbola, Ebunoluwa; Aroul, Antoine Lourdes Praveen; Philipose, Lijoy; Soundarapandian, Karthikeyan; Xiangrong Shi; Jafari, Roozbeh

    2014-01-01

    A wrist watch based system, which can measure electrocardiogram (ECG) and photoplethysmogram (PPG), is presented in this work. By using both ECG and PPG we also measure pulse transit time (PTT), which studies show to correlate well with blood pressure (BP). The system is also capable of monitoring heart rate using either ECG or PPG and can monitor blood oxygenation by easily replacing the PPG sensors with a different set. In this work, we investigate methods to train a fitting function to convert a PTT measurement to its corresponding systolic BP. We also validate measurements on different postures and show the value of calibrating the device for each posture. This system, called BioWatch, can potentially facilitate continuous and ubiquitous monitoring of ECG, PPG, heart rate, blood oxygenation and BP. PMID:25570444

  9. 基于Labview多数据采集系统设计%Multi-data Acquisition System Based on Labview

    陈茂骁; 焦向东; 朱加雷

    2012-01-01

    在局部干法水下焊接中,排水装置内部的温度、湿度和压力数值及其变化表征着排水过程稳定性和排水效果,对水下焊接稳定性和焊接质量的影响很大.基于Labview8.2和DAQmx8.3软件平台,采用数据采集卡、接线盒和传感检测器件,通过程序设计搭建了气室式局部干法水下焊接数据采集系统,实现了温度、湿度和压力的多数据同步采集和实时显示,经实际排水实验,证明了系统的可靠性.%With the method of local dry underwater welding, the values and the changes of temperature, humidity and pressure in the chamber have great effects on the stableness of the welding and quality of the result, which also indicates the stability of the process and the result of the drainage experiment. Based on Labview 8. 2 and DAQmx 8. 3, the software of National Instruments Corporation, using data acquisition card, connector block and sensors, the data-acquisition system is designed. It can be used for multi-data synchronous acquisition and real-time data display of temperature, humidity and pressure. The dependability of the system is verified by drainage experiments.

  10. MPS data-acquisition software system

    A description of the software for a FASTBUS based data-acquisition system in use at the Brookhaven National Laboratory Multiparticle Spectrometer is presented. Data reading and formating is done by the SLAC scanner processors (SSP's) resident in the FASTBUS system. A multiprocess software system on VAX computers is used to communicate with the SSP's, record the data, and monitor on-line the progress of high energy and heavy ions experiments. The structure and the performance of this system are discussed. (orig.)

  11. Sustaining an Acquisition-based Growth Strategy

    Henningsson, Stefan; Toppenberg, Gustav; Shanks, Graeme

    Value creating acquisitions are a major challenge for many firms. Our case study of Cisco Systems shows that an advanced Enterprise Architecture (EA) capability can contribute to the acquisition process through a) preparing the acquirer to become ‘acquisition ready’, b) identifying resource...... complementarity, c) directing and governing the integration process, and d) post-acquisition evaluation of the achieved integration and proposing ways forward. Using the EA capability in the acquisition process improves Cisco’s ability to rapidly capture value from its acquisitions and to sustain its acquisition...

  12. Electric vehicle data acquisition system

    Svendsen, Mathias; Winther-Jensen, Mads; Pedersen, Anders Bro;

    2014-01-01

    A data acquisition system for electric vehicles is presented. The system connects to the On-board Diagnostic port of newer vehicles, and utilizes the in-vehicle sensor network, as well as auxiliary sensors, to gather data. Data is transmitted continuously to a central database for academic......, by using the On-board Diagnostic port to identify car model and adapt its software accordingly. By utilizing on-board Global Navigation Satellite System, General Packet Radio Service, accelerometer, gyroscope and magnetometer, the system not only provides valuable data for research in the field of electric...

  13. The COMPASS data acquisition system

    Fischer, H; Grünemaier, A; Heinsius, F H; Hoffmann, M; Karstens, F; Kastaun, W; Königsmann, K C; Niebuhr, M; Risken, R; Schmidt, T; Schmitt, H; Schweimler, A; Hodenberg, M V; Urban, H J

    2002-01-01

    A fully pipelined and massively parallel data acquisition system has been developed for the COMPASS experiment at CERN. The main requirements are to read 250000 detector channels at a trigger rate of up to 100 kHz. Such high rates are only possible when using a hit selection mechanism on the front-end combined with dead-time free readout. For this purpose, a time-to-digital converter (TDC) chip has been developed and is used for all time measurement applications in COMPASS. Distributed, field programmable gate array (FPGA)-based readout-driver modules handle parallel front-end initialization, synchronous trigger and control-signal distribution, and local event building at a processing speed of 160 Mbyte/s. Each of the 160 readout-driver modules connects to 16 front-end boards through independent twisted pair cables (CAT 7, 600 MHz) or optical fibers using an industrial (ESCON), self synchronizing link at 40 Mbyte/s. Automatic configuration through unique module and link identification ensures the flexibility ...

  14. Computer-based system for acquisition of nuclear well log data

    There is described a computer-based well logging system, for acquiring nuclear well log data, including gamma ray energy spectrum and neutron population decay rate data, and providing a real-time presentation of the data on an operator's display based on a traversal by a downhole instrument of a prescribed borehole depth interval. The system has a multichannel analyzer including a pulse height analyzer and a memory. After a spectral gamma ray pulse signal coming from a downhole instrument over a logging cable is amplified and conditioned, the pulse height analyzer converts the pulse height into a digital code by peak detection, sample-and-hold action, and analog-to-digital conversion. The digital code defines the address of a memory location or channel, corresponding to a particular gamma ray energy and having a count value to be incremented. The spectrum data is then accessed by the system central processing unit (CPU) for analysis, and routed to the operator's display for presentation as a plot of relative gamma ray emissions activity versus energy level. For acquiring neutron decay rate data, the system has a multichannel scaling unit including a memory and a memory address generator. After a burst of neutrons downhole, thermal and epithermal neutron detector pulses build up and die away. Using the neutron source trigger as an initializing reference, the address generator produces a sequence of memory address codes, each code addressing the memory for a prescribed period of time, so as to define a series of time slots. A detector pulse signal produced during a time slot results in the incrementing of the count value in an address memory location. (author)

  15. Aerial robotic data acquisition system

    A small unmanned aerial vehicle (UAV) equipped with sensors for physical and chemical measurements of remote environments, is described. A miniature helicopter airframe is used as a platform for sensor testing and development. The sensor output is integrated with the flight control system for real-time, interactive, data acquisition and analysis. Pre programmed flight missions will be flown with several sensors to demonstrate the cost-effective surveillance capabilities of this new technology. (author) 10 refs

  16. Aerial robotic data acquisition system

    Hofstetter, K.J.; Hayes, D.W.; Pendergast, M.M. [Westinghouse Savannah River Co., Aiken, SC (United States); Corban, J.E. [Guided Systems Technologies, Atlanta, GA (United States)

    1993-12-31

    A small, unmanned aerial vehicle (UAV), equipped with sensors for physical and chemical measurements of remote environments, is described. A miniature helicopter airframe is used as a platform for sensor testing and development. The sensor output is integrated with the flight control system for real-time, interactive, data acquisition and analysis. Pre-programmed flight missions will be flown with several sensors to demonstrate the cost-effective surveillance capabilities of this new technology.

  17. A new data acquisition and imaging system for nuclear microscopy based on a Field Programmable Gate Array card

    Bettiol, A.A. [Centre for Ion Beam Applications, Department of Physics, National University of Singapore, Blk S7 2 Science Dr. 3, Singapore 117542 (Singapore)], E-mail: phybaa@nus.edu.sg; Udalagama, C.; Watt, F. [Centre for Ion Beam Applications, Department of Physics, National University of Singapore, Blk S7 2 Science Dr. 3, Singapore 117542 (Singapore)

    2009-06-15

    The introduction of the new Field Programmable Gate Array (FPGA) cards by National Instruments has made it possible for the first time to develop reconfigurable custom data acquisition hardware easily with the LabVIEW programming environment. Data acquisition issues such as precise timing for scanning and operating system latencies can now be easily overcome using this new technology because the data acquisition software is embedded in the FPGA chip on the card. In this paper we present the first results of the new data acquisition system developed at the Centre for Ion Beam Applications (CIBA), National University of Singapore using the new National Instruments cards in conjunction with rack mountable Wilkinson type ADCs.

  18. Improvement of PLC-based data acquisition system for beam loss monitors of the J-PARC main ring

    A data acquisition system of the beam loss monitor of J-PARC Main Ring consists of the combination of Programmable Logic Controller (PLC). The system needs the high speed response to an external trigger. So we use high speed data acquisition modules to get output data from the beam loss monitor. Triggered by an external trigger pulse, the system begins to acquire the data with some pre-defined intervals by the signal which the system itself generates. We use the new type of a CPU module of PLC, in which an embedded EPICS system on the Linux OS. With the new type of a CPU module, the data acquisition system becomes simpler. This paper reports the state of development and the result in operation. (author)

  19. Development of the fast BPM data acquisition system using windows oscilloscope-based EPICS IOC

    The KEK Linac is a 600-m-long injector, which provides the beams for the four independent rings (KEKB e-/e+, PF and PF-AR). The non-destructive beam position monitor (BPM) is indispensable diagnostic tool for the long-term stable beam operation. In the KEK Linac, approximately one hundred BPMs with the four strip-line type electrodes are utilized for the beam orbit measurement. The orbit data is used for the orbit and energy feedback loops. Towards the simultaneous top-up injection of KEKB and PF, the Linac has been upgraded for aiming the fast beam-mode switching operation. We developed a new fast BPM DAQ system using a Windows-based digital oscilloscope since the 50 Hz beam position measurement is strongly required for the fast beam-mode switching operation. In this paper, we will present the system description of the new BPM DAQ system and the result of its performance test in detail. (author)

  20. Development of a new seismic-data acquisition station based on system-on-a-programmable-chip technology

    Zhang Qi-sheng

    2013-08-01

    Full Text Available There has been considerable development of seismic detectors over the last 80 years. However, there is still a need to further develop new earthquake exploration and data acquisition systems with high precision. In particular, for China to keep up with the latest technology of these systems, it is important to be involved in the research and development, instead of importing systems that soon fall behind the latest technology. In this study, the features of system-on-a-programmable-chip (SoPC technology are analyzed and used to design a new digital seismic-data acquisition station. The hardware circuit of the station was developed, and the analog board and the main control data-transmission board were designed according to the needs of digital seismic-data acquisition stations. High-definition analog-to-digital converter sequential digital filter technology of the station (cascade integrator comb filter, finite impulse response digital filter were incorporated to provide advantages to the acquisition station, such as high definition, large dynamic scope, and low noise. A specific data-transmission protocol was designed for the station, which ensured a transmission speed of 16 Mbps along a 55-m wire with low power consumption. Synchronic acquisition was researched and developed, so as to achieve accuracy better than 200 ns. The key technologies were integrated into the SoPC of the main control data-transmission board, so as to ensure high-resolution acquisition of the station, while improving the accuracy of the synchronic acquisition and data-transmission speed, lowering the power consumption, and preparing for the follow-up efforts to tape out.

  1. Data Acquisition for Modular Biometric Monitoring System

    Chmiel, Alan J. (Inventor); Humphreys, Bradley T. (Inventor); Grodsinsky, Carlos M. (Inventor)

    2014-01-01

    A modular system for acquiring biometric data includes a plurality of data acquisition modules configured to sample biometric data from at least one respective input channel at a data acquisition rate. A representation of the sampled biometric data is stored in memory of each of the plurality of data acquisition modules. A central control system is in communication with each of the plurality of data acquisition modules through a bus. The central control system is configured to collect data asynchronously, via the bus, from the memory of the plurality of data acquisition modules according to a relative fullness of the memory of the plurality of data acquisition modules.

  2. Embedded Linux platform for data acquisition systems

    Patel, Jigneshkumar J., E-mail: jjp@ipr.res.in [Institute for Plasma Research, Gandhinagar, Gujarat (India); Reddy, Nagaraj, E-mail: nagaraj.reddy@coreel.com [Sandeepani School of Embedded System Design, Bangalore, Karnataka (India); Kumari, Praveena, E-mail: praveena@ipr.res.in [Institute for Plasma Research, Gandhinagar, Gujarat (India); Rajpal, Rachana, E-mail: rachana@ipr.res.in [Institute for Plasma Research, Gandhinagar, Gujarat (India); Pujara, Harshad, E-mail: pujara@ipr.res.in [Institute for Plasma Research, Gandhinagar, Gujarat (India); Jha, R., E-mail: rjha@ipr.res.in [Institute for Plasma Research, Gandhinagar, Gujarat (India); Kalappurakkal, Praveen, E-mail: praveen.k@coreel.com [Sandeepani School of Embedded System Design, Bangalore, Karnataka (India)

    2014-05-15

    Highlights: • The design and the development of data acquisition system on FPGA based reconfigurable hardware platform. • Embedded Linux configuration and compilation for FPGA based systems. • Hardware logic IP core and its Linux device driver development for the external peripheral to interface it with the FPGA based system. - Abstract: This scalable hardware–software system is designed and developed to explore the emerging open standards for data acquisition requirement of Tokamak experiments. To address the future need for a scalable data acquisition and control system for fusion experiments, we have explored the capability of software platform using Open Source Embedded Linux Operating System on a programmable hardware platform such as FPGA. The idea was to identify the platform which can be customizable, flexible and scalable to support the data acquisition system requirements. To do this, we have selected FPGA based reconfigurable and scalable hardware platform to design the system with Embedded Linux based operating system for flexibility in software development and Gigabit Ethernet interface for high speed data transactions. The proposed hardware–software platform using FPGA and Embedded Linux OS offers a single chip solution with processor, peripherals such ADC interface controller, Gigabit Ethernet controller, memory controller amongst other peripherals. The Embedded Linux platform for data acquisition is implemented and tested on a Virtex-5 FXT FPGA ML507 which has PowerPC 440 (PPC440) [2] hard block on FPGA. For this work, we have used the Linux Kernel version 2.6.34 with BSP support for the ML507 platform. It is downloaded from the Xilinx [1] GIT server. Cross-compiler tool chain is created using the Buildroot scripts. The Linux Kernel and Root File System are configured and compiled using the cross-tools to support the hardware platform. The Analog to Digital Converter (ADC) IO module is designed and interfaced with the ML507 through Xilinx

  3. Embedded Linux platform for data acquisition systems

    Highlights: • The design and the development of data acquisition system on FPGA based reconfigurable hardware platform. • Embedded Linux configuration and compilation for FPGA based systems. • Hardware logic IP core and its Linux device driver development for the external peripheral to interface it with the FPGA based system. - Abstract: This scalable hardware–software system is designed and developed to explore the emerging open standards for data acquisition requirement of Tokamak experiments. To address the future need for a scalable data acquisition and control system for fusion experiments, we have explored the capability of software platform using Open Source Embedded Linux Operating System on a programmable hardware platform such as FPGA. The idea was to identify the platform which can be customizable, flexible and scalable to support the data acquisition system requirements. To do this, we have selected FPGA based reconfigurable and scalable hardware platform to design the system with Embedded Linux based operating system for flexibility in software development and Gigabit Ethernet interface for high speed data transactions. The proposed hardware–software platform using FPGA and Embedded Linux OS offers a single chip solution with processor, peripherals such ADC interface controller, Gigabit Ethernet controller, memory controller amongst other peripherals. The Embedded Linux platform for data acquisition is implemented and tested on a Virtex-5 FXT FPGA ML507 which has PowerPC 440 (PPC440) [2] hard block on FPGA. For this work, we have used the Linux Kernel version 2.6.34 with BSP support for the ML507 platform. It is downloaded from the Xilinx [1] GIT server. Cross-compiler tool chain is created using the Buildroot scripts. The Linux Kernel and Root File System are configured and compiled using the cross-tools to support the hardware platform. The Analog to Digital Converter (ADC) IO module is designed and interfaced with the ML507 through Xilinx

  4. New data acquisition system for AMS

    Pfenninger, R. [Paul Scherrer Inst. (PSI), Villigen (Switzerland)

    1997-09-01

    A new data acquisition system based on a VME front-end computer, a Sun workstation and a PC has been installed. It is used for the acquisition of mainly AMS data, their graphical display, and storage of the data in a Oracle database. The measurement of magazines of 25 sample each is fully automated. Several data parameters such as transmission are regularly checked. In case of problems the operator is informed by optical and/or acoustical signals. Screens are updated automatically after every measurement cycle. (author) 1 fig.

  5. The ALICE data acquisition system

    Carena, F.; Carena, W.; Chapeland, S.; Chibante Barroso, V.; Costa, F.; Dénes, E.; Divià, R.; Fuchs, U.; Grigore, A.; Kiss, T.; Simonetti, G.; Soós, C.; Telesca, A.; Vande Vyvre, P.; von Haller, B.

    2014-03-01

    In this paper we describe the design, the construction, the commissioning and the operation of the Data Acquisition (DAQ) and Experiment Control Systems (ECS) of the ALICE experiment at the CERN Large Hadron Collider (LHC). The DAQ and the ECS are the systems used respectively for the acquisition of all physics data and for the overall control of the experiment. They are two computing systems made of hundreds of PCs and data storage units interconnected via two networks. The collection of experimental data from the detectors is performed by several hundreds of high-speed optical links. We describe in detail the design considerations for these systems handling the extreme data throughput resulting from central lead ions collisions at LHC energy. The implementation of the resulting requirements into hardware (custom optical links and commercial computing equipment), infrastructure (racks, cooling, power distribution, control room), and software led to many innovative solutions which are described together with a presentation of all the major components of the systems, as currently realized. We also report on the performance achieved during the first period of data taking (from 2009 to 2013) often exceeding those specified in the DAQ Technical Design Report.

  6. The ALICE data acquisition system

    Carena, F.; Carena, W.; Chapeland, S.; Chibante Barroso, V.; Costa, F. [European Organization for Nuclear Research (CERN), Geneva 23 (Switzerland); Dénes, E. [Research Institute for Particle and Nuclear Physics, Wigner Research Center, Budapest (Hungary); Divià, R.; Fuchs, U. [European Organization for Nuclear Research (CERN), Geneva 23 (Switzerland); Grigore, A. [European Organization for Nuclear Research (CERN), Geneva 23 (Switzerland); Politehnica Univesity of Bucharest, Bucharest (Romania); Kiss, T. [Cerntech Ltd., Budapest (Hungary); Simonetti, G. [Dipartimento Interateneo di Fisica ‘M. Merlin’, Bari (Italy); Soós, C.; Telesca, A.; Vande Vyvre, P. [European Organization for Nuclear Research (CERN), Geneva 23 (Switzerland); Haller, B. von, E-mail: bvonhall@cern.ch [European Organization for Nuclear Research (CERN), Geneva 23 (Switzerland)

    2014-03-21

    In this paper we describe the design, the construction, the commissioning and the operation of the Data Acquisition (DAQ) and Experiment Control Systems (ECS) of the ALICE experiment at the CERN Large Hadron Collider (LHC). The DAQ and the ECS are the systems used respectively for the acquisition of all physics data and for the overall control of the experiment. They are two computing systems made of hundreds of PCs and data storage units interconnected via two networks. The collection of experimental data from the detectors is performed by several hundreds of high-speed optical links. We describe in detail the design considerations for these systems handling the extreme data throughput resulting from central lead ions collisions at LHC energy. The implementation of the resulting requirements into hardware (custom optical links and commercial computing equipment), infrastructure (racks, cooling, power distribution, control room), and software led to many innovative solutions which are described together with a presentation of all the major components of the systems, as currently realized. We also report on the performance achieved during the first period of data taking (from 2009 to 2013) often exceeding those specified in the DAQ Technical Design Report.

  7. Accelerator optimization using a network control and acquisition system

    Accelerator optimization requires detailed study of many parameters, indicating the need for remote control and automated data acquisition systems. A control and data acquisition system based on a network of commodity PCs and applications with standards based inter-application communication is being built for the l'OASIS accelerator facility. This system allows synchronous acquisition of data at high (> 1 Hz) rates and remote control of the accelerator at low cost, allowing detailed study of the acceleration process

  8. On Shaft Data Acquisition System (OSDAS)

    Pedings, Marc; DeHart, Shawn; Formby, Jason; Naumann, Charles

    2012-01-01

    On Shaft Data Acquisition System (OSDAS) is a rugged, compact, multiple-channel data acquisition computer system that is designed to record data from instrumentation while operating under extreme rotational centrifugal or gravitational acceleration forces. This system, which was developed for the Heritage Fuel Air Turbine Test (HFATT) program, addresses the problem of recording multiple channels of high-sample-rate data on most any rotating test article by mounting the entire acquisition computer onboard with the turbine test article. With the limited availability of slip ring wires for power and communication, OSDAS utilizes its own resources to provide independent power and amplification for each instrument. Since OSDAS utilizes standard PC technology as well as shared code interfaces with the next-generation, real-time health monitoring system (SPARTAA Scalable Parallel Architecture for Real Time Analysis and Acquisition), this system could be expanded beyond its current capabilities, such as providing advanced health monitoring capabilities for the test article. High-conductor-count slip rings are expensive to purchase and maintain, yet only provide a limited number of conductors for routing instrumentation off the article and to a stationary data acquisition system. In addition to being limited to a small number of instruments, slip rings are prone to wear quickly, and introduce noise and other undesirable characteristics to the signal data. This led to the development of a system capable of recording high-density instrumentation, at high sample rates, on the test article itself, all while under extreme rotational stress. OSDAS is a fully functional PC-based system with 48 channels of 24-bit, high-sample-rate input channels, phase synchronized, with an onboard storage capacity of over 1/2-terabyte of solid-state storage. This recording system takes a novel approach to the problem of recording multiple channels of instrumentation, integrated with the test

  9. The NIFFTE Data Acquisition System

    Qu, Hai; Niffte Collaboration

    2011-10-01

    The Neutron Induced Fission Fragment Tracking Experiment (NIFFTE) will employ a novel, high granularity, pressurized Time Projection Chamber to measure fission cross-sections of the major actinides to high precision over a wide incident neutron energy range. These results will improve nuclear data accuracy and benefit the fuel cycle in the future. The NIFFTE data acquisition system (DAQ) has been designed and implemented on the prototype TPC. Lessons learned from engineering runs have been incorporated into some design changes that are being implemented before the next run cycle. A fully instrumented sextant of EtherDAQ cards (16 sectors, 496 channels) will be used for the next run cycle. The Maximum Integrated Data Acquisition System (MIDAS) has been chosen and customized to configure and run the experiment. It also meets the requirement for remote control and monitoring of the system. The integration of the MIDAS online database with the persistent PostgreSQL database has been implemented for experiment usage. The detailed design and current status of the DAQ system will be presented.

  10. SND data acquisition system upgrade

    The data acquisition (DAQ) system of the SND detector successfully operated during four data-taking seasons (2010–2013) at the e+e− collider VEPP-2000. Currently the collider is shut down for planned reconstruction, which is expected to increase the VEPP-2000 luminosity and data flow from the SND detector electronics by up to 10 times. Since current DAQ system implementation (electronics and computer part) does not have enough reserve for selection of events in the new environment without compromising quality, there arose the need for the system upgrade. Here we report on the major SND data acquisition system upgrade which includes developing new electronics for digitization and data transfer, complete redesign of the data network, increasing of the DAQ computer farm processing capacity and making the event building process concurrent. These measures will allow us to collect data flow from the most congested detector subsystems in parallel in contrast to the current situation. We would like to discuss also the possibility to implement full software trigger solution in the future

  11. CEBAF Distributed Data Acquisition System

    Allison, Trent

    2005-01-01

    There are thousands of signals distributed throughout Jefferson Lab's Continuous Electron Beam Accelerator Facility (CEBAF) that are useful for troubleshooting and identifying instabilities. Many of these signals are only available locally or monitored by systems with small bandwidths that cannot identify fast transients. The Distributed Data Acquisition (Dist DAQ) system will sample and record these signals simultaneously at rates up to 40 Msps. Its primary function will be to provide waveform records from signals throughout CEBAF to the Experimental Physics and Industrial Control System (EPICS). The waveforms will be collected after the occurrence of an event trigger. These triggers will be derived from signals such as periodic timers or accelerator faults. The waveform data can then be processed to quickly identify beam transport issues, thus reducing down time and increasing CEBAF performance. The Dist DAQ system will be comprised of multiple standalone chassis distributed throughout CEBAF. They will be i...

  12. Development of a new seismic-data acquisition station based on system-on-a-programmable-chip technology

    Zhang Qi-sheng; Deng Ming; Guo Jian; Luo Wei-bing; Wang Qi; Feng Yong-qiang

    2013-01-01

    There has been considerable development of seismic detectors over the last 80 years. However, there is still a need to further develop new earthquake exploration and data acquisition systems with high precision. In particular, for China to keep up with the latest technology of these systems, it is important to be involved in the research and development, instead of importing systems that soon fall behind the latest technology. In this study, the features of system-on-a-programmable-chip (SoPC...

  13. A progress report of the switch-based data acquisition system prototype project and the application of switches from industry to high-energy physics event building

    A prototype of a data acquisition system based on a new scalable, highly-parallel, open-system architecture is being developed at Fermilab. The major component of the new architecture, the parallel event builder, is based on a telecommunications industry technique used in the implementation of switching systems, a barrel-shift switch. The architecture is scalable both in the expandability of the number of input channels and in the throughput of the system. Because of its scalability, the system is well suited for low to high-rate experiments, test beams and all SSC detectors. The architecture is open in that as new technologies are developed and made into commercial products (e.g., arrays of processors and workstations and standard data links), these new products can be easily integrated into the system with minimal system modifications and no modifications to the system's basic architecture. Scalability and openness should guarantee that the data acquisition system does not become obsolete during the lifetime of the experiment. The paper first gives a description of the architecture and the prototype project and then details both the prototype project's software and hardware status including details of some architecture simulation studies. Suggestions for future R and D work on the new data acquisition system architecture are then described. The paper concludes by examining interconnection networks from industry and their application to event building and to other areas of high-energy physics data acquisition systems

  14. PEP-14 data acquisition system

    A real-time software system was developed for the VAX 11/780 which employs ten processes cooperating concurrently in the task of data acquisition and on-line analysis for the Free Quark Search experiment at the new colliding beam storage ring facility (PEP) located at the Stanford Linear Accelerator Center. The system utilizes most of the resources available to the applications programer under VAX 11/780 VMS, including interprocess communication via mailbox, global event flag cluster, and mapped global section, and is written primarily in FORTRAN IV PLUS with time-critical portions in MACRO-11. A discussion of the system architecture, implementation, and performance is given. 6 figures, 1 table

  15. A CDU-based data acquisition system for the energy spectrometer at the Stanford Linear Collider

    We describe a system using the Calorimetry Data Unit (a 32-channel multisample analog integrated circuit) to read out the charge ejected by secondary emission of a synchrotron beam from wires lying in its path. The wires comprise the Wire-Imaging Synchrotron Radiation Detector (WISRD) in the SLC Extraction-Line Spectrometer. The primary module in the system is a board containing 24 channels of charge sensitive amplification, shaping, sampling, multiplexing and digitization. This board also provides a fast analog measure of the charge distribution across the wires. We discuss the design and performance of this system. 4 refs., 5 figs

  16. A GIS based system for minimizing acquisition risk in Real Estate property market

    Michele Argiolas

    2013-01-01

    Many economists have identified the main cause of recent global real estate market crisis both in the poor diffusion of systems capable of monitoring the historical property values that in the lack of public awareness about the risks of real estate investments. This paper proposes a new approach to evaluate property acquisition’s risk that does not rely on a standardize appraisal indices analysis. The proposed Geographical Information System is able to investigate the historical variation of ...

  17. Broadband network on-line data acquisition system with web based interface for control and basic analysis

    Polkowski, Marcin; Grad, Marek

    2016-04-01

    Passive seismic experiment "13BB Star" is operated since mid 2013 in northern Poland and consists of 13 broadband seismic stations. One of the elements of this experiment is dedicated on-line data acquisition system comprised of both client (station) side and server side modules with web based interface that allows monitoring of network status and provides tools for preliminary data analysis. Station side is controlled by ARM Linux board that is programmed to maintain 3G/EDGE internet connection, receive data from digitizer, send data do central server among with additional auxiliary parameters like temperatures, voltages and electric current measurements. Station side is controlled by set of easy to install PHP scripts. Data is transmitted securely over SSH protocol to central server. Central server is a dedicated Linux based machine. Its duty is receiving and processing all data from all stations including auxiliary parameters. Server side software is written in PHP and Python. Additionally, it allows remote station configuration and provides web based interface for user friendly interaction. All collected data can be displayed for each day and station. It also allows manual creation of event oriented plots with different filtering abilities and provides numerous status and statistic information. Our solution is very flexible and easy to modify. In this presentation we would like to share our solution and experience. National Science Centre Poland provided financial support for this work via NCN grant DEC-2011/02/A/ST10/00284.

  18. OPSO - The OpenGL based Field Acquisition and Telescope Guiding System

    Škoda, Petr; Fuchs, J.; Honsa, Jaroslav

    San Francisco: Astronomical Society of the Pacific, 2006 - (Gabriel, C.), s. 185. (ASP Conference Series. 351). ISBN 1-58381-219-9. [Astronomical data analysis software and systems /15./. San Lorenzo de El Escorial (ES), 02.10.2005-05.10.2005] R&D Projects: GA ČR(CZ) GA205/03/0788 Institutional research plan: CEZ:AV0Z10030501 Keywords : auto-guiding system * spectrograph of the Ondřejov observatory Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics

  19. The CDMS II data acquisition system

    Bauer, D.A.; /Fermilab; Burke, S.; /UC, Santa Barbara; Cooley, J.; /Southern Methodist U.; Crisler, M.; /Fermilab; Cushman, P.; /Minnesota U.; DeJongh, F.; /Fermilab; Duong, L.; /Minnesota U.; Ferril, R.; /UC, Santa Barbara; Golwala, S.R.; /Caltech; Hall, J.; /Fermilab; Holmgren, D.; /Fermilab /Texas A-M

    2011-01-01

    The Data Acquisition System for the CDMS II dark matter experiment was designed and built when the experiment moved to its new underground installation at the Soudan Lab. The combination of remote operation and increased data load necessitated a completely new design. Elements of the original LabView system remained as stand-alone diagnostic programs, but the main data processing moved to a VME-based system with custom electronics for signal conditioning, trigger formation and buffering. The data rate was increased 100-fold and the automated cryogenic system was linked to the data acquisition. A modular server framework with associated user interfaces was implemented in Java to allow control and monitoring of the entire experiment remotely.

  20. The CDMS II Data Acquisition System

    Bauer, D. A.; Burke, S.; Cooley, J.; Crisler, M.; Cushman, P.; DeJongh, F.; Duong, L.; Ferril, R.; Golwala, S. R.; Hall, J.; Holmgren, D.; Mahapatra, R.; Nelson, H.; Reisetter, A.; Sander, J.; Savage, C.

    2011-05-01

    The Data Acquisition System for the CDMS II dark matter experiment was designed and built when the experiment moved to its new underground installation at the Soudan Lab. The combination of remote operation and increased data load necessitated a completely new design. Elements of the original LabView system remained as stand-alone diagnostic programs, but the main data processing moved to a VME-based system with custom electronics for signal conditioning, trigger formation and buffering. The data rate was increased 100-fold and the automated cryogenic system was linked to the data acquisition. A modular server framework with associated user interfaces was implemented in Java to allow control and monitoring of the entire experiment remotely.

  1. Data acquisition and test system software

    Bourgeois, N.A. Jr.

    1979-03-01

    Sandia Laboratories has been assigned the task by the Base and Installation Security Systems (BISS) Program Office to develop various aspects of perimeter security systems. One part of this effort involves the development of advanced signal processing techniques to reduce the false and nuisance alarms from sensor systems while improving the probability of intrusion detection. The need existed for both data acquisition hardware and software. Also, the hardware is used to implement and test the signal processing algorithms in real time. The hardware developed for this signal processing task is the Data Acquisition and Test System (DATS). The programs developed for use on DATS are described. The descriptions are taken directly from the documentation included within the source programs themselves.

  2. A GIS based system for minimizing acquisition risk in Real Estate property market

    Michele Argiolas

    2013-08-01

    Full Text Available Many economists have identified the main cause of recent global real estate market crisis both in the poor diffusion of systems capable of monitoring the historical property values that in the lack of public awareness about the risks of real estate investments. This paper proposes a new approach to evaluate property acquisition’s risk that does not rely on a standardize appraisal indices analysis. The proposed Geographical Information System is able to investigate the historical variation of the main real estate market indicators and to let the final user appraise the general level of real estate investment risk. The subsequent sections of this paper will discuss about the real strength of the most common literature’s algorithms used to appraise risk in real estate, then it will be explained how inexpensive information technology applications can help to increase the diffusion of awareness related to real estate market conditions. Finally it will be discussed the case of study; conclusions and some considerations about future improvements will close the study.

  3. Development of Precision-Agriculture Data Acquisition System and Xilinx ChipScope Pro Logic Analyzer based Monitoring

    S.R. Patil 1

    2015-09-01

    Full Text Available The research paper focuses on the development of a data acquisition system for precision-agriculture by sensing physical parameters; associated with the farm-soil. It requires different modules to be deployed in a system to perform data acquisition process over multiple parameters. However, the prototype developed in this research work deals with an embedded system comprising the less chip-count and consequently reduce overall power utilization. The analogue multiplexer routes electrical signals produced by farm-parameter sensors. Such signals were transformed into their digital equivalents by means of a 12-bit serial Analogue to Digital Converter (ADC; which was driven by the Xilinx Field Programmable Gate Array (FPGA. The research work deals with a standardized real-time hardware-signal monitoring system using the Xilinx ChipScope Pro Logic Analyzer.

  4. Fast Access Data Acquisition System (FADAS)

    Our goal in this program is to develop Fast Access Data Acquisition System (FADAS) by combining the flexibility of Multilink's GaAs and InP electronics and electro-optics with an extremely high data rate for the efficient handling and transfer of collider experimental data. This novel solution is based on Multilink's and Los Alamos National Laboratory's (LANL) unique components and technologies for extremely fast data transfer, storage, and processing

  5. The ngdp framework for data acquisition systems

    The ngdp framework is intended to provide a base for the data acquisition (DAQ) system software. The ngdp's design key features are: high modularity and scalability; usage of the kernel context (particularly kernel threads) of the operating systems (OS), which allows one to avoid preemptive scheduling and unnecessary memory-to-memory copying between contexts; elimination of intermediate data storages on the media slower than the operating memory like hard disks, etc. The ngdp, having the above properties, is suitable to organize and manage data transportation and processing for needs of essentially distributed DAQ systems

  6. HERA-B data acquisition system

    The HERA-B Data Acquisition System implements a 50 kHz dead-timeless readout of 500 kB events requiring unprecedented speed of storing and data processing. The system is based on Digital Signal Processors (DSP) minimizing the number of components. A high bandwidth, low-latency DSP switching network provides full connectivity between the readout buffers and a PC farm which runs the higher level trigger. The design of the system and the achieved performance are described in this paper

  7. HERA-B data acquisition system

    Dam, M.; Egorytchev, V.; Essenov, S.; Gellrich, A.; Hansen, J.D.; Hansen, J.R.; Hernandez, J.M.; Medinnis, M. E-mail: medinnis@mail.desy.de; Rensch, B.; Ressing, D.; Rybnikov, V.; Sanchez, F.; Schwingenheuer, B.; Wagner, G.; Wurth, R.; Zhelezov, A.; Zweizig, J

    2004-06-11

    The HERA-B Data Acquisition System implements a 50 kHz dead-timeless readout of 500 kB events requiring unprecedented speed of storing and data processing. The system is based on Digital Signal Processors (DSP) minimizing the number of components. A high bandwidth, low-latency DSP switching network provides full connectivity between the readout buffers and a PC farm which runs the higher level trigger. The design of the system and the achieved performance are described in this paper.

  8. CLIC-ACM: generic modular rad-hard data acquisition system based on CERN GBT versatile link

    CLIC is a world-wide collaboration to study the next ''terascale'' lepton collider, relying upon a very innovative concept of two-beam-acceleration. This accelerator, currently under study, will be composed of the subsequence of 21000 two-beam-modules. Each module requires more than 300 analogue and digital signals which need to be acquired and controlled in a synchronous way. CLIC-ACM (Acquisition and Control Module) is the 'generic' control and acquisition module developed to accommodate the controls of all these signals for various sub-systems and related specification in term of data bandwidth, triggering and timing synchronization. This paper describes the system architecture with respect to its radiation-tolerance, power consumption and scalability

  9. FPGA-based time to digital converter and data acquisition system for high energy tagger of KLOE-2 experiment

    Iafolla, L., E-mail: lorenzo.iafolla@lnf.infn.it [INFN-LNF, Frascati, Rome (Italy); Università di Roma Tor Vergata, Rome (Italy); Balla, A.; Beretta, M.; Ciambrone, P.; Gatta, M.; Gonnella, F. [INFN-LNF, Frascati, Rome (Italy); Mascolo, M.; Messi, R. [Università di Roma Tor Vergata, Rome (Italy); INFN-Sezione Roma 2, Rome (Italy); Moricciani, D. [INFN-Sezione Roma 2, Rome (Italy); Riondino, D. [INFN-LNF, Frascati, Rome (Italy)

    2013-08-01

    In order to reconstruct γγ physics events tagged with High Energy Tagger (HET) in the KLOE-2 (K LOng Experiment 2), we need to measure the Time Of Flight (TOF) of the electrons and positrons from the KLOE-2 Interaction Point (IP) to our tagging stations (11 m apart). The required resolution must be better than the bunch spacing (2.7 ns). We have developed and implemented on a Xilinx Virtex-5 FPGA a Time to Digital Converter (TDC) with 625 ps resolution (LSB) along with an embedded data acquisition system and the interface to the online FARM of KLOE-2. We will describe briefly the architecture of the TDC and of the Data AcQuisition (DAQ) system. Some more details will be provided about the zero-suppression algorithm used to reduce the data throughput.

  10. FPGA-based Time to Digital Converter and Data Acquisition system for High Energy Tagger of KLOE-2 experiment

    Iafolla, L; Beretta, M; Ciambrone, P; Gatta, M; Gonnella, F; Mascolo, M; Messi, R; Moricciani, D; Riondino, D

    2012-01-01

    In order to reconstruct gamma-gamma physics events tagged with High Energy Tagger (HET) in the KLOE-2 (K LOng Experiment 2), we need to measure the Time Of Flight (TOF) of the electrons and positrons from the KLOE-2 Interaction Point (IP) to our tagging stations (11 m apart). The required resolution must be better than the bunch spacing (2.7 ns). We have developed and implemented on a Xilinx Virtex-5 FPGA a Time to Digital Converter (TDC) with 625 ps resolution (LSB) along with an embedded data acquisition system and the interface to the online FARM of KLOE-2. We will describe briefly the architecture of the TDC and of the Data AcQuisition (DAQ) system. Some more details will be provided about the zero-suppression algorithm used to reduce the data throughput.

  11. Case Base Mining for Adaptation Knowledge Acquisition

    D'Aquin, Mathieu; Lafrogne, Sandrine; Lieber, Jean; Napoli, Amedeo; Szathmary, Laszlo

    2007-01-01

    In case-based reasoning, the adaptation of a source case in order to solve the target problem is at the same time crucial and difficult to implement. The reason for this difficulty is that, in general, adaptation strongly depends on domain-dependent knowledge. This fact motivates research on adaptation knowledge acquisition (AKA). This paper presents an approach to AKA based on the principles and techniques of knowledge discovery from databases and data-mining. It is implemented in CABAMAKA, a system that explores the variations within the case base to elicit adaptation knowledge. This system has been successfully tested in an application of case-based reasoning to decision support in the domain of breast cancer treatment.

  12. The BaBar Data Acquisition System

    Scott, I; Grosso, P; Huffer, M E; O'Grady, C; Russell, J J

    1999-01-01

    The BaBar experiment at the Stanford Linear Accelerator Center is designed to perform a search for CP violation by ana-lyzing the decays of a very large sample of B and B(Bar) mesons produced at the high luminosity PEP-II accelerator. The data acquisition system must cope with a sustained high event rate, while supporting real time feature extraction and data compression with minimal dead time. The BaBar data acquisition system is based around a common VME interface to the electronics read-out of the separate detec-tor subsystems. Data from the front end electronics is read into commercial VME processors via a custom "Personality Card" and PCI interface. The commercial CPUs run the Tornado operating system to provide a platform for detector subsystem code to perform the necessary data processing. The data is read out via a non-blocking network switch to a farm of commercial UNIX processors. The current implementation of the BaBar data acquisition sys-tem has been shown to sustain a Level 1 trigger rate of 1.3...

  13. Data Acquisition System On Beta Installation

    Data acquisition system is needed on every installation. This is important used to monitoring and processing data to get information desired. This system applied to β installation which is facility to carry out experiments on accident condition like as reflooding phenomena in test section. The 16 exp.th channel data acquisition system is drived by ADC 0804 and programme application DELPHI

  14. Data Acquisition System for RPC Testing

    Ahmed, Ijaz; Ansari, Muhammad Hamid; Asghar, Muhammad Irfan; Asghar, Sajjad; Awan, Irfan Ullah; Butt, Jamila; Hoorani, Hafeez R; Khurshid, Ishtiaq Hussain Taimoor; Muhammad, Saleh; Shahzad, Hassan; Aftab, Zia; Iftikhar, Mian; Khan, Mohammad Khalid; Saleh, M

    2008-01-01

    The Data Acquisition (DAQ) System of the Compact Muon Solenoid (CMS) RPC test station was built in National Centre for Physics (NCP) during the year 2004-2005 with joint efforts by NCP and PAEC groups. The system is based on the NIM, VME and CAMAC technologies which allowed users to test 10 RPCs simultaneously. With the help of our facility more than 300 RPCs were tested and finally shipped to CERN. This note describes different components of the DAQ in detail and presents a few results from the online DAQ.

  15. Jefferson Lab Data Acquisition Run Control System

    A general overview of the Jefferson Lab data acquisition run control system is presented. This run control system is designed to operate the configuration, control, and monitoring of all Jefferson Lab experiments. It controls data-taking activities by coordinating the operation of DAQ sub-systems, online software components and third-party software such as external slow control systems. The main, unique feature which sets this system apart from conventional systems is its incorporation of intelligent agent concepts. Intelligent agents are autonomous programs which interact with each other through certain protocols on a peer-to-peer level. In this case, the protocols and standards used come from the domain-independent Foundation for Intelligent Physical Agents (FIPA), and the implementation used is the Java Agent Development Framework (JADE). A lightweight, XML/RDF-based language was developed to standardize the description of the run control system for configuration purposes

  16. The DECam data acquisition and control system

    Honscheid, K.; Eiting, J.; Elliott, A.; Annis, J.; Bonati, M.; Buckley-Geer, E.; Castander, F.; da Costa, L.; Haney, M.; Hanlon, W.; Karliner, I.; Kuehn, K.; Kuhlmann, S.; Marshall, S.; Meyer, M.; Neilsen, E.; Ogando, R.; Roodman, A.; Schalk, T.; Schumacher, G.; Selen, M.; Serrano, S.; Thaler, J.; Wester, W.

    2010-07-01

    In this paper we describe the data acquisition and control system of the Dark Energy Camera (DECam), which will be the primary instrument used in the Dark Energy Survey (DES). DES is a high precision multibandpath wide area survey of 5000 square degrees of the southern sky. DECam currently under construction at Fermilab will be a 3 square degree mosaic camera mounted at the prime focus of the Blanco 4m telescope at the Cerro-Tololo International Observatory (CTIO). The DECam data acquisition system (SISPI) is implemented as a distributed multi-processor system with a software architecture built on the Client-Server and Publish-Subscribe design patterns. The underlying message passing protocol is based on PYRO, a powerful distributed object technology system written entirely in Python. A distributed shared variable system was added to support exchange of telemetry data and other information between different components of the system. In this paper we discuss the SISPI infrastructure software, the image pipeline, the observer interface and quality monitoring system, and the instrument control system.

  17. Distributed radiation data acquisition system for KAPP

    Increased concern for the safety of personnel working in Nuclear Power Stations demands an efficient centralized Radiation Data Acquisition System (RADAS) to monitor different types of radiation at distributed locations of the plant. The system provides a comprehensive picture of radio-activity level distribution in the reactor building to facilitate prompt and correct decision making to take care of any emergency situation. The system is build around an industrial IBM-PC connected to remote intelligent data acquisition units using serial data communication links. To ensure high system availability and ease of maintenance the mechanical moving disk storage has been replaced by solid state memory storage (RAM Disk). Functional CRT displays have been substituted by the assembly of IBM-PC Mother Board with built-in firmware and standard TV Monitor. The computer handles a variety of processing functions which include the conversion to engineering units, checking of alarms, display/printing of plant radiation level status and system diagnostics. Intelligent terminals have been provided with graphic and text formatting capabilities. A hot standby computer connected to analog and digital inputs takes over the system functions on the failure of the host system. Modular software written in the higher level C-language runs under a standard real-time operating system Kernel. This provides for easy modification and expandability at site. Based on the experience of its commissioning at Kakrapar Power Station a new compact version is being designed for a specific application in another class of reactor. (author). 3 refs., 1 fig

  18. Knowledge acquisition for autonomous systems

    Lum, Henry; Heer, Ewald

    1988-01-01

    Knowledge-based capabilities for autonomous aerospace systems, such as the NASA Space Station, must encompass conflict-resolution functions comparable to those of human operators, with all elements of the system working toward system goals in a concurrent, asynchronous-but-coordinated fashion. Knowledge extracted from a design database will support robotic systems by furnishing geometric, structural, and causal descriptions required for repair, disassembly, and assembly. The factual knowledge for these databases will be obtained from a master database through a technical management information system, and it will in many cases have to be augmented by domain-specific heuristic knowledge acquired from domain experts.

  19. Acquisition of Capabilities Through Systems-of-Systems: Case Studies and Lessons from Naval Aviation

    Michael Pryce

    2009-01-01

    The acquisition community in many nations faces novel challenges with the transition to systems-of-systems, capabilities-based solutions to meet military requirements. Much of the ''tribal knowledge'' and experience of those in acquisition, both in industry and government, has stemmed from platform-centered development strategies. It is questionable to what extent lessons from these can be applied to systems-of-systems acquisition. How does the acquisition expert trade off platform capabiliti...

  20. Study of customer acquisition support system for mobile operators

    2007-01-01

    The mobile operators are struggling for improving the market share and the revenues.One important method is to acquire the potential customers from the competitors.This article presents a whole acquisition process and an integrated framework for customer acquisition support system (CASS).The core of the system is the customer acquisition identification models which are built based on data mining technologies.The CASS can automate the acquisition process and decrease the cost and implement precise marketing strategy for mobile operators.

  1. Operation and maintenance manual for data acquisition system of MIDAS

    Lee, D. Y.; Park, W. M.; Kim, J. T.; Euh, D. J

    2001-09-01

    This report describes an operation and maintenance manual of the data acquisition system and the data processing system for the DVI performance evaluation facility, MIDAS. The data acquisition system is implemented with VXI based system of Kinetic Systems{sup TM}, and the data processing PC. This report presents the configuration method and operation procedure for the operator. The modification procedure and method for functional extension and performance modification are also included for the future demand.

  2. The Debugging and Development of KODAQ Data Acquisition System

    2001-01-01

    KODAQ (Kakuken on-line data acquisition system) data acquisition system was introduced from Japan on Dec., 2000. It is a multi-parameter DAQ system with the advantage of simplestructure, convenient use, stable running and cheap price. At present, lots of institute and university are using the system in Japan.KODAQ system follows the CAMAC standard, is based on PC and CAMAC crate controller,

  3. The RD13 data acquisition system

    The RD13 project was originally approved in April 1991 for the study of an LHC oriented data taking system and is now nearing the completion of its third phase of activities. The guiding objectives of the project include the construction of a scalable DAQ framework capable of evolving with detector requirements, the use of a Real-Time UNIX operating system with multiprocessor support, the evaluation and use of commercial products for all aspects of software production and a software engineering approach to software design and implementation. Special attention is also given to the modelling and simulation of full architecture solutions and their demonstration via small scale setups based on different technologies. To assess the viability of RD13 a fully operational data acquisition system fulfilling the initial requirements and based on the selected components has been successfully used as a data taking system of LHC detector prototypes that present interesting and challenging readout problems

  4. ZigBee心电信号采集系统%Design of ECG Acquisition System Based on Zigbee

    宋立新; 姜思刚; 周蕾; 李鸿锦; 赵亮

    2012-01-01

    In order to solve the problem of detecting ECG in a form of online, dynamic and wireless, we designed a new type of ECG acquisition system using ZigBee wireless technology. In the system, Sunplus SPCE061 16bit MCU was used as the ECG acquisitions core control components, and the UBEC UZ2400 served for the Zig-bee communication between acquisition node and monitor node. Meanwhile, in order to improve the on line monitoring transmission rate, we designed a simple ECG data compression algorithm, and an ECG monitoring interface of the center monitoring node by means of VC ++ . This system could realize multi-node' s dynamic monitoring and could draw ECG and date analysis on the ECG interface.%针对心电信号在线、动态和无线监测问题,采用ZigBee无线传输技术,设计了一种新型的心电信号采集系统.该系统以凌阳SPCE061十六位微处理器作为系统的核心采集控制器件,以UBEC公司的UZ2400射频芯片实现采集节点与监控节点间的ZigBee通信,同时为了提高多节点在线监测传输速率,设计了简单的心电数据压缩算法,利用VC++设计了中心监控节点的心电监测界面,整个系统可实现多节点的动态监测,并且能够在监测界面上进行心电波形的绘制及其数据分析.

  5. Easy-handling spectrum-management on-line system MMCU for the μ-VAX based data acquisition system in the SF cyclotron facility

    An easy-handling spectrum-management system for both on-line and off-line analysis has been developed. This system 'Man Machine Communication Utility (MMCU)' is aimed to unify the data acquisition system of INS, CYRIC (Tohoku Univ.) and RIKEN. This system has been successfully tested in a nuclear astrophysical experiment at INS. (author)

  6. Data Acquisition System of FlashADC on GTAF Facility

    ZHANG; Qi-wei; HE; Guo-zhu; HUANG; Xing; RUAN; Xi-chao; ZHOU; Zu-ying; ZHU; Xing-hua

    2013-01-01

    The data acquisition system of GTAF facility bases on the digitizer of FlashADC(DC271A,made by Acqiris Technologies Inc.),which can achieve the acquisition of experimental data and real-time monitoring of on-line measure by the capture of digital full pulse waveform from 40 BaF2 detectors.Fig.1

  7. LHC beam instrumentation detectors and acquisition systems

    An overview of some of the detectors and acquisition systems being developed for measuring and controlling beam parameters in the LHC. The two largest systems concern the measurement of beam position, with over 1000 monitors, and beam loss, with over 3000 monitors. For the beam position system a novel wide band time normaliser has been developed to allow bunch-by-bunch 40MHz acquisitions with a dynamic range greater than 30dB and an overall linearity of better than 1%. Also mentioned will be the acquisition system for the fast beam current transformers and the development of CdTe detectors for luminosity monitoring. [author

  8. COMPASS CONTROL, DATA ACQUISITION, AND COMMUNICATION SYSTEM

    Hron, Martin; Písačka, Jan; Fernandes, H.; Sousa, J.; Neto, A.

    Inuyama, 2007. [IAEA Technical Meeting on Control , Data Acquisition, and Remote Participation for Fusion Research/6th./. 4.6.2007-8.6.2007, Inuyama] Institutional research plan: CEZ:AV0Z20430508 Keywords : tokamak * communication system * data acquisition Subject RIV: JC - Computer Hardware ; Software http://tm2007.nifs.ac.jp/

  9. Data Acquisition and Real-Time Systems.

    Lawrence, D. E., Ed.; Fenwick, P. M., Ed.

    The first group of papers starts with a tutorial paper which surveys the methods used in data acquisition systems. Other papers in this group describe: (1) some problems involved in the computer acquisition of high-speed randomly-occurring data and the protection of this data from accidental corruption, (2) an input/output bus to allow an IBM…

  10. SSC/BCD data acquisition system proposal

    Barsotti, E.; Bowden, M.; Swoboda, C. [Fermilab, Batavia, IL (United States)

    1989-04-01

    The proposed new data acquisition system architecture takes event fragments off a detector over fiber optics and to a parallel event building switch. The parallel event building switch concept, taken from the telephone communications industry, along with expected technology improvements in fiber-optic data transmission speeds over the next few years, should allow data acquisition system rates to increase dramatically and exceed those rates needed for the SSC. This report briefly describes the switch architecture and fiber optics for a SSC data acquisition system.