Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 41 for “"DAQ"”.
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Measurement Of Neutron Radius In Lead By Parity Violating Scattering Flash ADC DAQ
… the details of Flash ADC Data Acquisition(FADC DAQ) system for Moller polarimetry in Hall A of Thomas Jefferson National Accelerator Facility. The Moller polarimeter measures the beam polarization to high precision to meet the specification of the PREx(Lead radius experiment). The FADC DAQ is …
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Implementation of UNIX workstation and BIT3 VME BUS adaptor in real time DAQ system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1997.
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Design of a Low-Cost Data Acquisition System for Rotordynamic Data Collection
<p>A data acquisition system (DAQ) was designed based on the use of a STM32 microcontroller. Its purpose is to provide a transparent and low-cost alternative to commercially available DAQs, providing educators a means to teach students about the process through which data are collected as well as …
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Developing, Evaluating, and Demonstrating an Open Source Gateway and Mobile Application for the Smartfarm Decision Support System
… cloud from remote SmartFarm Data Acquisition (DAQ) nodes, collect measurement data from remote SmartFarm DAQ nodes, provide a means of wirelessly programming remote SmartFarm DAQ nodes, and a tool that provides data analysis and insight from remote SmartFarm DAQ nodes. It is evaluated to work …
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Vehicle Validation and Analysis of a Formula SAE Racecar
… and design models. A data acquisition system (DAQ) was installed on the FSAE car for the first time. This paper serves as an introduction to the purpose of acquiring data, an explanation of the hardware available and components chosen to implement DAQ on Georgia Southern’s FSAE car. …
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A scaler-based data acquisition system for measuring parity violation asymmetry in deep inelastic scattering
… scaler-based counting data acquisition system (DAQ) with hardware-based particle identification was successfully implemented. The overall pion contamination in the electron sample was controlled to approximately 2 x 10-4 or lower with an electron efficiency above 91% throughout the experiment. …
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Development of a Field Monitoring System for the Northside Drive Bridge
… service life of the bridge. Data acquisition (DAQ) systems can measure in-service bridge systems’ structural response and stresses. Leveraging such systems with fatigue analysis procedures allows the remaining fatigue life to be more accurately estimated, often extending critical bridge …
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Ultracompact superconducting isochronous cyclotron production of ¹³N for positron emission tomography applications
Testing was performed on a data acquisition (DAQ) system that was built specifically to characterize a new ultracompact superconducting isochronous cyclotron (USIC) at MIT. A production model of Nitrogen-13 was validated by experiment at Massachusetts General Hospital. Both absolute and relative …
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Φαινόμενα διαταραχών σε διατάξεις και διερεύνηση της διακριτότητας σε μικτά κυκλώματα ανάγνωσης αισθητήρων
… η οποία επιτυγχάνεται με τα συστήματα DAQ (Data Acquisition-Συλλογής Δεδομένων). Τα συστήματα DAQ μπορούν να πάρουν διάφορες μορφές, υλοποιώντας ένα πλήθος διαφορετικών μεθόδων μέτρησης και ψηφιοποίησης των δεδομένων, ενώ και οι επιδόσεις τους διαφέρουν, ανάλογα με τις απαιτήσεις τής …
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A Common Readout Driver for the COMPASS Experiment
… channels to be read out. <br>The COMPASS DAQ is designed as a tree-structured, fully pipelined system. <br>A central part of this readout system is the CATCH module developed and integrated into the system within the scope of this thesis. <br>The system has been in use for the beam time …
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Development and implementation of an opensource DIC acquisition system, focusing on temporal synchronization with the Gleeble 3800
… system comprises of a hardware data acquisition (DAQ) board, full field camera system and control computer. The DAQ is controlled by an Arduino Nano ESP32 that sends camera trigger times, voltage values from the ±10V ADS8584S analogue to digital converter (ADC) and sync times with the Gleeble …
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Applications of High Speed Configurable Logic Devices in Modern Particle Physics Experiments
… that adopted in the NEMO Phase 1 telescope. The DAQ board that we realized exploits the LIRA06 front-end chip for the analog acquisition of anodic an dynodic sources of a PMT (Photo-Multiplier Tube). The low-power analog acquisition allows to sample contemporaneously multiple channels of the PMT …
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Design and implementation of a reconfigurable data acquisition integrated circuit
… and convenient method [1]. Data acquisition (DAQ) systems are, therefore, inevitably necessary, as they are the interface between analog and digital world. They have become crucial in a wide range of applications, including biomedical research, geophysics, gravitation measurements, …
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Integration Of Real-Time Experiments With Internet Access
… computer by external Data Acquisition Board (DAQ) for the Automatic Mixing Controller, By General Purpose Interface Board (GPIB) for the Oscilloscope, by Data Acquisition board (DAQ) for the Temperature controller and by Serial port for the Electronic Recording Rain/Precipitation Gauge. A …
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Multiplexer Design for a Multi-Array Ultrasonic Imaging System
… multiplexer is designed to allow a 128-signal DAQ to interface with up to eighteen 128-signal arrays in a time-multiplexed manner. The multiplexer is then implemented as part of a novel conformable multi-array ultrasound imaging system. Synthetic array ultrasound data is acquired and processed …
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On-line measurement of partial discharges in high voltage rotating machines.
… are presented. Finally, the data acquisition (DAQ) cards that used the PCMCIA bus was replaced with new USB based DAQ cards with the software modified accordingly. The three phase data acquisition unit developed as a result of this project has produced encouraging results and will be …
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Design of an Integrated Acceleration Acquisition Subsystem to Satisfy High-Speed and Low-Area Requirements for CubeSats
… of the acceleration data acquisition (DAQ) subsystem of MOSES. This subsystem is designed around the need for a high-speed sampling system of at least 200 kHz across four channels of data, plus low-area limitations in the MOSES form factor which is roughly half the size of a standard …
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Advanced control techniques and sensors for gas engines with NSCR
… by DCL International. A Data Acquisition (DAQ) system manufactured by National Instruments (NI) acquired the NOx sensor output. The control algorithm was programmed utilizing a LabVIEW interface and a feed forward command was executed through the NI DAQ system to the CCC EGC2 where the fuel …
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New physics searches in the ZZ sector with the ATLAS experiment
… of developments made to the Data Acquisition (DAQ) system of the ATLAS Semiconductor Tracker (SCT). These include the construction of a test system, involving a scaled-down version of the entire SCT readout chain. The test system was subsequently used to develop a number of new DAQ features, …
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Modification and Numerical Modelling of Dense Plasma Focus Device
… is designed to be suitable for automation using DAQ and LabVIEW. Radial trajectories during pinch formation are analyzed using a numerical model. Two numerical models are used to investigate how neutron yield varies with pressure, pinch current and pinch duration. The modified DPF showed the …
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