free research paper data acquisition system





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what is Data Acquisition Data acquisition is the processing of multiple electrical or electronic inputs from devices such as sensors, timers, relays, and solid-state circuits for the purpose of monitoring, analyzing and/or controlling systems and processes. Data acquisition instrument types include computer boards, instruments or systems, dataloggers or recorders, chart recorders, input modules, output modules, and I/O modules. Computer boards are self-contained printed circuit board with full data acquisition functionality; typically plugs into a backplane or motherboard, or otherwise interfaces directly with a computer bus. Instruments or systems are fully packaged with input and output, user interface, communications capability, etc. They may include integral sensors. Data loggers and data recorders are data acquisition units with instrument functionality with specific capability for data storage. May be for general purpose or application-specific data acquisition. Chart recorders generate real-time plots, graphs or other visualizations of data. Input modules are devices (module or card) configured to accept input of sensors, timers, switches, amplifiers, transistors, etc. for use in the data acquisition system.Output modules are devices with specific functionality for output of amplified, conditioned, or digitized signal. I/O modules have both input and output functionality. Digital or discrete I/O includes on-off signals used in communication, user interface, or control. Common form factor for data acquisition devices include IC or board mount, circuit board, panel or chassis mount, modular bay or slot system, rack mount, DIN rail, and stand-alone. Common device specifications to consider when searching for data acquisition products include differential analog input channels, digital I/O channels, sampling frequency, resolution and accuracy. Common signal inputs available for data acquisition products include DC voltage, DC current, AC voltage, AC current, frequency, and charge. Sensor inputs include accelerometer, thermocouple, thermistor, RTD, strain gauge or bridge, and LVDT or RVDT. Specialized inputs include encoder, counter or tachometer, timer or clock, and relay or switch. Transducers and excitation are also important to consider when searching for data acquisition. Many products have integral sensors or transducers. These sensors can have voltage or current excitation. Common outputs for data acquisition products include voltage output, current output, frequency output, timer or counter output, relay output, and resistance or potentiometer output. Considering the user interfaces available is important when searching for data acquisition products. User interfaces available include no display, front panel and display, touch screens, hand-held or remote programmers, and computer programmable. Host connection choices include direct backplane interface, RS232, RS422, ST485, USB, research 1394, GPIB, SCSI, TTL, parallel, Ethernet, modem, and radio or telemetry. The transmission rate of data is important to consider. Many products are web enabled for web addressing. Common applications for data acquisition products include general lab or industrial, environmental, vehicular, marine, aerospace or military, seismic or geotechnical, weather or meteorology, and medical or biomedical. Additional specifications to consider when searching for data acquisition products include application software, memory and storage, network specifications, filter specifications, amplifier specifications, and environmental parameters.

Embedded Data Acquisition System Based on FPGA



FPGA-based multi protocol data acquisition system with high speed USB interface
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ABSTRACT We have proposed a data acquisition system with high speed USB interface using FPGA chip as the main processing unit. Since the FPGA has a number of modules on chip, which can operate independently, it can be utilized for the data acquisition system with 

Fpga-based data acquisition system for a positron emission tomography (PET) scanner.
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ABSTRACT Modern Field Programmable Gate Arrays (FPGAs) are capable of performing complex discrete signal processing algorithms with clock rates of above 100MHz. This combined with FPGAs low expense, ease of use, and selected dedicated hardware make 

FPGA Based Architecture for the Data Acquisition Electronics of the Clear-PEM System
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Abstract The paper describes a reconfigurable architecture for the Data Acquisition Electronics (DAE) system of the Clear-PEM detector, which is a compact Positron Emission Mammography (PEM) detector for medical imaging with 12,288 channels aiming at high 

FPGA BASED FAST ORBIT FEEDBACK DATA ACQUISITION SYSTEM FOR ELECTRON AND HADRON STORAGE RINGS
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G Schunemann, P Towalski, P Hartmann, D Schirmer ,ibic2013.org ABSTRACT This paper presents a Field Programmable Gateway Array (FPGA) based, BMBF supported, development of a fast orbit feedback system for electron and hadron storage rings, in prospect of the upcoming Facility for Antiproton and Ion Research (FAIR) facility in 

Design of Field Programmable Gate Array (FPGA) based data acquisition system for avionics applications
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PM Nair, S Ray ABSTRACT Present data acquisition systems for avionics applications uses microcontrollers with external filters to process the digitized data. To minimize the use of external components, the digital filter itself is implemented in FPGA for this work. Moreover, 

FPGA Based Supervisory Control and Data Acquisition System
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ABSTRACT A prototype Supervisory Control and Data Acquisition (SCADA) System has been designed and programmed into the ACEX50K FPGA chip. The designed system provides the basic facilities of SCADA along with the advantages of great speed, high 

FPGA Realization of Multi Channel Data Acquisition System using Softcore Embedded Processor
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ABSTRACT To avoid threats from underwater Mines and Torpedoes a naval ship must produce very low acoustic and magnetic signatures. Most of these signatures are at very low frequencies; this makes designing data acquisition system for measuring acoustic and 

FPGA Implementation of Real Time Data Acquisition System Using Micro blaze Processor.
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ABSTRACT The Progression of the human existence from the primitive state to the present technological complex state is just an outcome of observation of this environment. By observing the environment and controlling the various physical parameters like 

Portable data acquisition system based on FPGA and USB
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C XiaoQiang, Z Jun, X Xing ,inass.org ABSTRACT Nowadays, along with the development of technology of the high-speed Analog to Digital Converter (ADC) and Field Programmable Gate Array (FPGA), the design and the implementation of high-speed and highaccuracy data acquisition system is also becoming 

An FPGA Based Data Acquisition System for a Fast Orbit Feedback at DELTA
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G Schuenemann, P Hartmann, D Schirmer ,Proceedings of ,dipac09.web.psi.ch ABSTRACT The demand for beam orbit stability for frequencies up to 1kHz resulted in the need for a fast orbit position data acquisition system at DELTA. The measurement frequency was decided to be 10kHz which results in a good margin for 1kHz corrections. It is based on a 

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