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 34 for “"Instrumentation system"”.
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Acoustic emission instrumentation system for monitoring large superconducting magnets
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1984.
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A charge coupled device based optical tomographic instrumentation system for particle sizing.
… linear image sensors in an optical tomographic instrumentation system used for sizing particles. Four CCD linear image sensors are configured around an octagonal shaped flow pipe for a four projections system. The measurement system is explained and uses four CCD linear image sensors consisting …
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The design and implementation of an execution domain for the Lowell Observatory Instrumentation System
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Optical Fiber Fabry-Perot Interferometer based Sensor Instrumentation System for Low Magnetic Field Measurement
… a miniaturized optical fiber based sensor system for the measurement of 3-dimensional vector magnetic fields. The operation of the sensor system is based on the detection of magnetostrictive dimensional changes in the sensor gage using a modified extrinsic Fabry-Perot Interferometer …
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Development and application of a field instrumentation system for the investigation of surf zone hydrodynamics
… and application of an autonomous field instrumentation system consisting of four current meters and four wave gauges, along with a field monitor and digital recorder, is documented. The flow sensors are electromagnetic current meters, which employ the principle of electromagnetic …
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A personal computer based instrumentation system for determining real-time dynamic torque in rotating machinery
… motion at a convenient point in the rotating system containing the rigid shaft of interest. The encoder's output is processed digitally to yield angular velocity, acceleration and dynamic torque. Two different experiments were conducted to demonstrate the advantages of this new method of …
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Development and evaluation of an instrumentation system for high acceleration centrifuge testing of an artificial rock material
… deals with the development and evaluation of an instrumentation system for high acceleration centrifuge testing of an artificial rock material.</p> <p>A stress analysis of the centrifuge rotor was performed to ensure its safe operation. The centrifuge was found to be safe for operation to a …
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An instrumentation system for the measurement and display of the dynamic force distribution under the foot during locomotion
… to the physical surface of the foot. The system that has been developed measures the vertical foot/ground forces during gait and immediately displays the data in a manner which can be readily assimilated. The instrumentation system consists of a segmented force plate constructed from 16 …
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Conceptual Design and Instrumentation Study for a 2-D, Linear, Wet Steam Turbine Cascade Facility
… turbine operating conditions, and 2) design an instrumentation system to measure blade performance in wet steam. The steam production facility was designed to allow the test section size to be selected later. A computer code was developed to model the facility cycle and provide equipment …
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Tractive Performance From Axle Instrumentation
… be measured in the axles driving the wheels. An instrumentation system was developed to measure the bending forces in an unreduced section of axle. Two four-gage, constant current, semiconductor strain gage bridge circuits were developed to measure the strains associated with the bending forces. …
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Estimation and Mapping of Ship Air Wakes using RC Helicopters as a Sensing Platform
… presents the construction of a robust instrumentation system capable of wireless in-situ measurement and mapping of ship airwake. The presented instrumentation system utilizes an RC helicopter as a carrier platform and uses the helicopter's dynamics for spatial 3D mapping of wind …
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Multitasking for sensor based systems
Multitasking systems are being used increasingly for real-time applications. Multitasking is suited very well for real-time systems since events in the real world do not occur in strict sequence but rather tend to overlap. Multitasking operating systems coordinate the activities of the different …
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Investigation of advanced experimental and computational techniques for behavioural characterisation of phase change materials (pcms)
… of PCM based Thermal Energy Storage (TES) systems. An advanced T-history method for PCM characterisation was developed to overcome some of the shortcomings of the existing PCM thermal investigation procedures. The advanced T-history setup and the instrumentation system coupled with the …
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Measurement and evaluation of the performance of an integral abutment bridge deck
This thesis is based upon the instrumentation of an integral abutment bridge, with a reinforced concrete deck on 3-span, continuous steel girders. The bridge is located in Evansville, West Virginia, at the intersection of WV Route 92 South and US Route 50 East. An instrumentation system was …
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Crack detection technique for reinforced concrete bridge decks
This study describes the instrumentation and test results of a reinforced concrete bridge deck constructed on 3-span continuous steel girders. The instrumented bridge is located in Evansville, West Virginia at the intersection of US Route 50 East and WV 92 South. An instrumentation system is …
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Calibration of YSZ sensor for the measurement of oxygen concentration in Lbe
… with oxygen as reference was selected. An instrumentation system was designed specifically for calibrating the YSZ sensor and measure oxygen concentration in LBE. An initial setup was built and some preliminary experiments were conducted to calibrate the oxygen sensor. A set of calibration …
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Ice Action Database for the Confederation Bridge Piers
… a vast volume of data has been generated from instrumentation system at the piers and management of instrument data is one of the prime objectives of this research. The ice load derived from instrument data and event information and failure observations obtained from ice video analysis has …
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Instrumentation and Dynamic Characterization of the Galena Creek Bridge
… Nevada. The research in this report covers the instrumentation and in-field experiments conducted to characterize the dynamic properties of the structure in its baseline condition.A system of accelerometers was installed for this project in the superstructure of the bridge and several …
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