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Precise pressure sensor temperature compensation algorithmsPalmer, Jason. January 2007 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Electrical Engineering Dept., 2007. / Includes bibliographical references.
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Design, fabrication, and testing of the van der Paw piezoresistive structure for pressure sensingCassel, Robert Douglas. January 2008 (has links) (PDF)
Thesis (MS)--Montana State University--Bozeman, 2008. / Typescript. Chairperson, Graduate Committee: Ahsan Mian. Includes bibliographical references (leaves 141-143).
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Application of the van der Pauw structure as a piezoresistive pressure sensor a numerical study /Law, Jesse Townsend. January 2007 (has links) (PDF)
Thesis (M.S.)--Montana State University--Bozeman, 2007. / Typescript. Chairperson, Graduate Committee: Ahsan Mian. Includes bibliographical references (leaves 58-59).
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Design calibration and performance of a diaphragm pressure transducerLizarazu, German P January 2010 (has links)
Typescript, etc. / Digitized by Kansas Correctional Industries
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Referenced pressure and temperature sensitive coatings using solid state phosphors /Harris, John N. January 1998 (has links)
Thesis (Ph. D.)--University of Washington, 1998. / Vita. Includes bibliographical references (leaves [195]-197).
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Instrumentation for pressure measurement during thermal decomposition of binders in multilayer ceramic capacitors /Ha, Sang-Woo. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references (leaves 65-67). Also available on the Internet.
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Instrumentation for pressure measurement during thermal decomposition of binders in multilayer ceramic capacitorsHa, Sang-Woo. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references (leaves 65-67). Also available on the Internet.
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A COMPARISON OF METHODS FOR MEASUREMENT OF PRESSURE IN HYDRAULIC LINESSprague, Susan, Chorney, Andrew 10 1900 (has links)
International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California / This presentation summarizes a study characterizing strain gages and pressure transducers used to
measure the fluid pressure within aircraft hydraulic lines. A series of laboratory calibrations and finite
element analyses was performed to demonstrate the quality of data from both pressure transducers and
strain gages under variations in both temperature and external strains on the hydraulic lines. Strain gages
showed a marked susceptibility to external strains on hydraulic lines, and wide variations in
susceptibility to temperature changes. Pressure transducers were found to be relatively immune to both
conditions. It is recommended that strain gages be used for trend data only.
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Shipboard wireless sensor networks utilizing Zigbee technologyZacot, Chimi I. 09 1900 (has links)
This thesis studies the feasibility of utilizing Zigbee standard devices to create a shipboard wireless sensor network. Two primary methods were used to demonstrate feasibility. The first method demonstrated initial feasibility with a series of laboratory tests. The tests included range, reliability, and battery life tests. In the second portion, a prototype pressure sensor was created by matching a low power pressure transducer to a Zigbee modem via an integrated DAQ unit. Supporting software was generated using LabVIEW 6.0 to act as a server program and allow a remote Integrated Condition Assessment System (ICAS) workstation to log in via a TCP/IP connection and monitor sensor data. The expected contribution from the research effort would a completely wireless sensor network which would result in a net savings in man hours required to maintain and monitor. The sensor network would be reliable, relatively inexpensive, and entirely COTS available. With an extended battery life of 18 to 24 months, even the battery replacement could be fit into a standard annual or bi-annual PMS cycle, minimizing the workload to maintain. Initial feasibility testing was completed satisfactorily and the prototype sensor was successfully created and integrated to interface with the existing sensor infrastructure.
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Characterization of Bragg grating pressure sensor using finite element analysis theory and experimental results04 October 2010 (has links)
M.Ing. / Optical fibre Bragg gratings are a periodic variation of the refractive index in the core of an optical fibre andmay be formed by exposure to intense UV laser light under specific conditions. Light at a certain wavelength, called the Bragg wavelength, is reflected back when illuminating the grating with a light source. Bragg gratings can relatively easily be employed as strain and temperature sensors, but have small sensitivity for pressure. Special transducers are required to increase the sensitivity. A pressure sensor was manufactured by coating a fibre Bragg grating with a polymer. The polymer coating converts transverse pressure into longitudinal strain through the Poisson effect inside the polymer coating. This thesis investigates the sensitivity of themanufactured Bragg grating pressure sensor, by using the method of finite element analysis. An account of the experimental setup, whereby the Bragg grating is written with a frequency tripled Nd:YAG laser, is given. The process whereby the fibre is coated with the polymer is described. The sensor is characterized through experimental results and a comparison is made between theoretical and experimental results. Uses for this sensor and ways with which the sensitivity may be increased are suggested as future work.
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