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Dissertations / Theses on the topic 'Pressure sensor'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Trolliet, Alexia. "Pressure Sensor Miniaturization." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175784.

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As far as the Printed Circuit Boards (PCB) manufacture industry is concerned, for high production volumes, solder paste is applied on the connection pads through customized stencils. This is a very productive method, yet if the design has to be updated, cost is increasing as the stencil should be changed. For higher exibility, such as in rapid prototyping, jet-printing machines similar to Mycronic MY500 are used. In these equipments, solder paste is jet-printed on the circuit board. The shooting is done by a piston moving on the vertical axis at high speed, hence projecting solder paste onto t

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2

Ibrahim, Amr. "Remotely interrogated MEMS pressure sensor." Thesis, University of Glasgow, 2012. http://theses.gla.ac.uk/4149/.

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This thesis considers the design and implementation of passive wireless microwave readable pressure sensors on a single chip. Two novel-all passive devices are considered for wireless pressure operation. The first device consists of a tuned circuit operating at 10 GHz fabricated on SiO2 membrane, supported on a silicon wafer. A pressure difference across the membrane causes it to deflect so that a passive resonant circuit detunes. The circuit is remotely interrogated to read off the sensor data. The chip area is 20 mm2 and the membrane area is 2mm2 with thickness of 4 µm. Two on chip passive r

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3

Wang, Xingwei. "Optical Fiber Tip Pressure Sensor." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/35490.

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<p> Miniature pressure sensors which can endure harsh environments are a highly sought after goal in industrial, medical and research fields. Microelectromechanical systems (MEMS) are the current methods to fabricate such small sensors. However, they suffer from low sensitivity and poor mechanical properties. </p><p> To fulfill the need for robust and reliable miniature pressure sensors that can operate under high temperatures, a novel type of optical fiber tip sensor only 125Î¼m in diameter is presented in this thesis. The essential element is a piece of hollow fiber which connects the fiber

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4

Swoboda, Marek Lec Ryszard Joseph Jeffrey. "Implantable arterial blood pressure sensor /." Philadelphia, Pa. : Drexel University, 2004. http://hdl.handle.net/1860/2968.

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5

Tuinea-Bobe, Cristina L. "A stretchable pressure sensor for early detection of pressure ulcers." Thesis, University of Ulster, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528378.

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6

Dutoit, Bertrand Michel. "Flat electromagnetic force-feedback pressure sensor /." Lausanne, 2001. http://library.epfl.ch/theses/?nr=2437.

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7

Palmer, Jason. "Precise pressure sensor temperature compensation algorithms." Diss., Online access via UMI:, 2007.

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8

Van, den Heever Thomas Stanley. "A zinc oxide nanowire pressure sensor." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5369.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2010.<br>Thesis presented in partial fulfilment of the requirements for the degree Master of Science in Engineering at the University of Stellenbosch<br>ENGLISH ABSTRACT: Measurement of pressure with zinc oxide (ZnO) nanowires was investigated. ZnO exhibits the piezoelectric effect, generating a voltage when pressure is applied to the material. This relationship between pressure and output voltage was used to make a pressure sensor. A study of the physical and mathematical working of the piezoelectric eff

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9

Clavijo, William. "Nanowire Zinc Oxide MOSFET Pressure Sensor." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/625.

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Fabrication and characterization of a new kind of pressure sensor using self-assembly Zinc Oxide (ZnO) nanowires on top of the gate of a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) is presented. Self-assembly ZnO nanowires were fabricated with a diameter of 80 nm and 800 nm height (80:8 aspect ratio) on top of the gate of the MOSFET. The sensor showed a 110% response in the drain current due to pressure, even with the expected piezoresistive response of the silicon device removed from the measurement. The pressure sensor was fabricated through low temperature bottom up ultrahig

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10

Magát, Martin. "Senzory tlaku využívající moderní nanotechnologie." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233655.

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This thesis describes utilization of a nanotechnology in new pressure sensors. Detailed analysis of individual principles are carrying on. And simulations and experimental models of sensors are developed. More detailed description is provided for new capacitive pressure sensor, which is manufactured using nanotechnology, including its model and analysis in order to improve its properties. The work deals with the emission pressure sensor which uses the principle of cold emissions, including analysis comparison of the measured values of the emission current from the applied nanotubes field and a

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11

Melvås, Patrik. "Ultraminiaturized Pressure Sensor for Catheter Based Applications." Doctoral thesis, KTH, Signaler, sensorer och system, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3373.

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12

Ringström, Christopher. "Virtual Crank Angle based Cylinder Pressure Sensor." Thesis, KTH, Förbränningsmotorteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-223740.

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Closed-loop combustion control is an on-going field of research for improving reducing engine emissions and increasing efficiency. Cylinder pressure is a key parameter to monitor for combustion feedback. Measuring pressure with a transducer is an option, although being able to estimate the pressure based on the crank angle measurement instead would be beneficial in terms of costs. A virtual crank angle based pressure sensor was therefore developed within this thesis. It was studied how the in-cylinder pressure trace for a full closed cycle could be modelled from a pressure trace from a rigid c

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13

Lee, Mark. "Performance considerations in a remote pressure sensor." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534198.

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14

Parameswaran, Lalitha. "Silicon pressure sensor using wafer bonding technology." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12471.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.<br>Includes bibliographical references (leaves 101-105).<br>by Lalitha Parameswaran.<br>M.S.

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15

Tan, T. H. "Silicon piezoresistors for MEMS pressure sensor applications." Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.677842.

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Silicon based micromachining technology enables the realization of high performance micro electromechanical systems (MEMS) including a range of physical and environmental sensors. Pressure sensors are used for a wide range of monitoring and control applications, e.g. environmental, industrial, aircraft, automotive. Monitoring of vehicle tyre pressures offers benefits such as improved safety, fuel economy, and tyre life. Micromachined pressure sensors are used at present, but require further research to improve their performance in terms of size, power consumption and manufacturing cost. This t

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16

Liu, Congrui. "Wearable Fall Detection using Barometric Pressure Sensor." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-29968.

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Wearable wireless sensor devices, which are implemented by deploying sensor nodes on objects, are widely utilized in a broad field of applica-tions, especially in the healthcare system for improving the quality of life or monitoring different types of physical data from the observed objects. The aim of this study is to design an in-home, small-size and long-term wearable fall detection system in wireless network by using barometric pressure sensing for elderly or patient who needs healthcare monitoring. This threshold-based fall detection system is to measure the altitude of different position

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17

Song, Chao. "Micromachined flow sensors for velocity and pressure measurement." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52304.

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This research focuses on developing sensors for properties of aerodynamic interest (i.e., flow and pressure) based on low-cost polymeric materials and simple fabrication processes. Such sensors can be fabricated in large arrays, covering the surface of airfoils typically used in unmanned vehicles, allowing for the detection of flow separation. This in turn potentially enables, through the use of closed-loop control, an expansion of the flight envelope of these vehicles. A key advance is compensation for the typically inferior performance of these low cost materials through both careful design

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18

Goparaju, Sravanthi. "Low Power Tire Pressure Monitoring System." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1220637163.

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19

Abeysinghe, Don Chandana. "Novel MEMS Pressure and Temperature Sensors Fabricated on Optical Fibers." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin997987327.

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20

Meyer, Jan. "Textile pressure sensor : design, error modeling and evaluation /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18050.

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21

Abbas, Syed Farhat. "Development of a low cost shock pressure sensor." Ohio : Ohio University, 1988. http://www.ohiolink.edu/etd/view.cgi?ohiou1182538469.

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22

Chen, Xiaopei. "Fiber Optic Pressure Sensor Fabrication Using MEMS Technology." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/32744.

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A technology for fabricating fiber optic pressure sensors is described. This technology is based on intermediate-layer bonding of a fused silica ferrule to a patterned, micro-machined fused silica diaphragm, providing low temperature fabrication of optical pressure sensor heads that can operate at high temperature. Fused silica ferrules and fused silica diaphragms are chosen to reduce the temperature dependence. The fused silica diaphragms have been micro-machined using wet chemical etching in order to form extrinsic Fabry-Perot (FP) interferometric cavities. Sol-gel is used as an inter

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23

Rathore, Pradeep Kumar. "Cmos compatible mems structures for pressure sensing applications." Thesis, IIT Delhi, 2015. http://localhost:8080/iit/handle/2074/6894.

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24

Xiao, Hai. "Self-Calibrated Interferometric/Intensity-Based Fiber Optic Pressure Sensors." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/28845.

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To fulfill the objective of providing robust and reliable fiber optic pressure sensors capable of operating in harsh environments, this dissertation presents the detailed research work on the design, modeling, implementation, analysis, and performance evaluation of the novel fiber optic self-calibrated interferometric/intensity-based (SCIIB) pressure sensor system. By self-referencing its two channels outputs, for the first time to our knowledge, the developed SCIIB technology can fully compensate for the fluctuation of source power and the variations of fiber losses. Based on the SCIIB princ

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25

Crivello, Matthew DeMorais. "Flexible Sensor for Measurement of Skin Pressure and Temperature for the Prevention of Pressure Ulcers." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-theses/171.

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With the prolonged lifespan of the average person, the number of hospital stays have increased. Currently, pressure ulcers are one of the most severe complications associated with prolonged hospital stay. The protocol in today€™s hospital is to rotate bedridden patients once every two hours to prevent pressure ulcers. This puts a strain on attending nurses as the risk of a pressure ulcer for a patient is not universal and therefore, a universal preventative protocol is not the most effective solution. This thesis describes the circuit design and physical implementation of a device to address t

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26

Fassbender, Holger [Verfasser], Wilfried [Akademischer Betreuer] Mokwa, and Hoc Khiem [Akademischer Betreuer] Trieu. "Pressure propagation in encapsulated pressure sensor systems / Holger Fassbender ; Wilfried Mokwa, Hoc Khiem Trieu." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1162341025/34.

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27

Eccles, Lee H. "PRESSURE BELT FOR WING LOADS MEASUREMENT." International Foundation for Telemetering, 2001. http://hdl.handle.net/10150/606396.

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International Telemetering Conference Proceedings / October 22-25, 2001 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Boeing Commercial Airplanes has used many methods in the past to measure the structural loads on the wings of its airplanes. The most recent approach is to use arrays of MEMS pressure sensors on the top and bottom surfaces of the wings. By knowing the difference in pressure between the top and bottom of the wings the structural loads on the wings can be calculated. It was decided that in order to build an array of 1100 sensors it would be necessary to conditio

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28

Antony, Albin. "Fault tree analysis for automotive pressure sensor assembly lines." Diss., Online access via UMI:, 2006.

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Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Systems Science and Industrial Engineering Department, 2006.<br>Includes bibliographical references.

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29

Welham, Christopher J. "A silicon micromachined lateral resonant strain gauge pressure sensor." Thesis, University of Warwick, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389458.

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30

Soleimani, Sareh. "Long-Term Sleep Assessment by Unobtrusive Pressure Sensor Arrays." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37545.

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Due to a globally aging population, there is a growing demand for smart home technology which can serve to monitor the health and safety of adults. Therefore, sleep monitoring has emerged as a crucial tool to improve the health and autonomy of adults. While polysomnography (PSG) is an effective and accurate tool for sleep monitoring, it is obtrusive as the user must wear the instruments during the experiment. Therefore, there has been a growing interest in deploying unobtrusive sleep monitoring devices, specifically for long-term patient monitoring. This thesis proposes multiple algorithms a

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31

Hughes, Rowland. "A laser plantar pressure sensor for the diabetic foot." Thesis, University of South Wales, 2000. https://pure.southwales.ac.uk/en/studentthesis/a-laser-plantar-pressure-sensor-for-the-diabetic-foot(521b1dfa-d201-4356-b1d9-74d314b1c360).html.

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This thesis is concerned with the design and building of a foot pressure system capable of measuring the pressure distribution underneath the diabetic foot. The system is developed to have a higher resolution and be more cost-effective than existing commercial systems. The biomechanics of the foot and ankle is explained in detail, providing an explanation for the relationship between high pressures and ulcerations. Various techniques of measuring foot pressure are reviewed, providing a thorough understanding of the advantages and disadvantages of each technique. The system developed uses the t

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32

Karam, Robert. "Event Detection Algorithm for Single Sensor Bladder Pressure Data." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1441297369.

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33

Jung-kun, Yen, and 顏仲崑. "Micro-Pressure Sensor." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/56648750670900748955.

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碩士<br>遠東技術學院<br>機械研究所<br>92<br>In this study use the half and double Wheatstone bridge circuit design methods to improve the defect of single Wheatstone bridge form micro pressure sensor dependent of temperature. According to the results, the error of voltage output is high to 21.2% when the temperature is from 30 0C to 100 0C. To go to such the error of voltage output of the half and double Wheatstone bridge form micro pressure sensor are down to 6.25% and 0.03%. Especailly, the voltage output of the double Wheatstone bridge form micro pressure sensor is almost independent of temperature. Bes

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34

Teng, Yung-Nian, and 鄧永年. "Capacitive pressure sensor." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/31274139779962345769.

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碩士<br>國立交通大學<br>電子研究所<br>83<br>Micro-electro-mechanical systems( MEMS ) is a large field of study, because it combines two major subjects, i.e., electronic and mechanical engineering. Fabricated by IC technologies, emp- loying diaphragm deformed by pressure to generate electrical si- gnal, pressure sensor is the most representative device in this topic. This thesis thus majors in the capacitive pressure sensor in order to get into the field of MEMS. Capacitive pressure sensor can be consid

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35

Hsin-Kai, Huang, and 黃信愷. "Mico Pressure Sensor." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/94063822545948804644.

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36

Hsieh, Yeou-Lang, and 謝友嵐. "Capacitive Pressure Sensor." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/24738156853783879251.

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碩士<br>國立交通大學<br>電子工程學系<br>85<br>Semiconuctor sensors are usually fabricated using processes that is developedfor integrated circuits;furthermore,many specialized fabrication steps includeanisotropic etching to form diaphragm, and the use of sacrificial layers toform free- standing beams or membranes is needed.Those processes are refered toas micromachining, according to the feature dimensions of the sensors are of the order of micros, and the spacing between sensor parts maybe one micro orl

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37

Yang, Li-Chia, and 楊禮嘉. "Three Electrodes Capacitive Pressure Sensor." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/67817994272649683848.

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碩士<br>國立交通大學<br>電子研究所<br>84<br>Microelectromechanical systems (MEMS) is predicted to be the star offuture industry. By means of the IC technology, the mechanical properties ofsilicon can be applied to many fields in our life. Microsensors and microactuators are the typical applications in this field, among the otherthings. The key point of this thesis focuses on the fabrication processes of the three electrodes capacitive pressure sensor. A detailed study of processes will be showed, especi

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38

Chu, Huey-Chi, and 朱惠祺. "Surface micromachined piezoresistive pressure sensor." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/58138727480873005145.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>84<br>Surface micromachined piezoresistive pressure sensor has been designed, modeled, and fabricated. The optimal position, orientation, and length of effective resistors on circular and square plate have been found. The sensitivity of 0.15 mV/V/psi could be achieved by the optimization design. The linearity error of pressure sensor is dominated by the large deflection of plates. The strain under large deflection of circular and square plates could be solved by t

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39

周正三. "= Thermal-conductivity micro pressure sensor." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/00892565758379687449.

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40

Hong, Wei-Sheng, and 洪瑋盛. "Development of a Needle Pressure Sensor for Measuring Intradiscal Pressure." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/75h8sy.

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碩士<br>國立臺北科技大學<br>製造科技研究所<br>103<br>In previous studies, intradiscal pressure was used as an important reference data measure in spine biomechanics research. When a healthy intervertebral disc is under loading, the intradiscal pressure will be increased proportionally with loading. We can investigate the physiological mechanics of disc by measuring the intradiscal pressure. In previous studies, strain gage needle-type of pressure sensor was used as the mainstream method for the measurement of intradiscal pressure. The advantage of this sensor is its accuracy and inexpensive to fabricate, but

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41

Hwang, Gwo-Jen, and 黃國貞. "Three-Electrode Silicon Capacitive Pressure Sensor." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/27610021402028924551.

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42

Li, Chieh-Ting, and 李介廷. "Design of Magnetic Micro-Pressure Sensor." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28458139552702766030.

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碩士<br>國立屏東科技大學<br>車輛工程系碩士班<br>95<br>This study adopts Microelectroforming of magnetic alloy membrane, and matches with lithography fabrication process of high depth-width ratio, Micromachining Technology and Micro-magnetic Alloy Electroforming to apply on micro-pressure sensor. With the innovative Micro-magnetic Alloy Microelectroforming and low resistance of copper electroform coil, this study has designed a high accuracy and dynamic measurement of micro-pressure sensor. The manufacturing process of Microelectroforming of magnetic alloy membrane is to manufacture the FE/Ni magnetic alloy to

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43

Bhat, Sudhakar. "Piezoelectric sensor for foot pressure measurement." 1989. http://catalog.hathitrust.org/api/volumes/oclc/22288872.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1989.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 11-12).

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44

Li, Dung-Lin, and 李東林. "ZnO nanorods as a pressure sensor." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/91380597642422748909.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>102<br>ZnO is one of the piezoelectric materials in which a voltage can be generated when a mechanical forces is applied. In this work, attempt was made to find out the feasibility of using ZnO nanorods as a pressure sensor. The ZnO nanorods used in this work were grown by hydrothermal method on Si substrate. Mechanical force applied to the ZnO nanorods array was achieved by pressing the nanorods with human fingers .Piezoelectric effect of ZnO nanorods prepared with different growth times and post-growth annealings was studied. We also investigated the effect of the

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45

Chao, Tsai-Lun, and 趙裁崙. "Development of Low Cost Pressure Sensor." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/69c9ch.

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碩士<br>國立臺北科技大學<br>製造科技研究所<br>93<br>A low cost pressure sensor used in plastic injection die is developed in this study. A lot of efforts were exerted for this design to achieve three targets: 1. reduction of the production cost, 2. includes certain circuit units inside sensor with body being small and light, 3. preserve the deserved mechanical characteristics. Adopt typical CAE and CAD packages to perform simulations and analysis for a designing sensor. It is analyzed that the project includes：1. probe buckling, 2.contact analysis between probe and piezocrystal, 3. modal analysis for the probe

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46

You-Yan-Zeng and 曾友彥. "Improve and Design the Pressure Sensor." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/t68244.

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碩士<br>國立臺北科技大學<br>製造科技研究所<br>95<br>This research is to improve the second generation of mold cavity pressure sensor which was made by oneself and a new pressure sensor is designed, in this paper, which are called the third generation pressure sensor, the fourth generation pressure sensor and the fifth generation pressure sensor . There are three shortcomings in the second generation of pressures sensor: First, in the working environment is tested, when rising hurriedly in pressure, because the strength of structure is insufficient so the piezocrystal is easy to crack. Second, insulation is bad

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47

Simão, Miguel Martim Chambel. "Skin sensors for health care: paper-based flexible and wearable pressure sensor." Master's thesis, 2021. http://hdl.handle.net/10362/134280.

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The interest and need in portable, comfortable and durable health care sensors have increased along the years, due to their practicability and potential in helping people monitoring their vital signs. However, an all biodegradable low-cost sensor still poses a challenge to fabricate. So, cellulose is being used in the nanoscale form, due to filling all the necessary requirements with their excellent properties. The same can be said for metals like gold, silver and copper, which in the form of nanowires makes them great alternatives as sensing materials for pressure sensors. This work aims to

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48

Rajendra, A. "Pressure Sensor Development Using Hard Anodized Aluminum Diaphragm And Thin Film Strain Gauges." Thesis, 2006. https://etd.iisc.ac.in/handle/2005/344.

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The sensor is a device that converts a form of energy concerning which the information is sought, called the measurand, to a form (electrical) in which it can be usefully processed or interpreted. Sensors rely on physical or chemical phenomena and materials where those phenomena appear to be useful. Those phenomena may concern the material itself or its geometry. Hence, the major innovations in sensors come from new materials, new fabrication techniques or both. Normally, thin film sensors are realized by depositing a sensing film on a suitable substrate. There could be many combination of

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49

Rajendra, A. "Pressure Sensor Development Using Hard Anodized Aluminum Diaphragm And Thin Film Strain Gauges." Thesis, 2006. http://hdl.handle.net/2005/344.

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The sensor is a device that converts a form of energy concerning which the information is sought, called the measurand, to a form (electrical) in which it can be usefully processed or interpreted. Sensors rely on physical or chemical phenomena and materials where those phenomena appear to be useful. Those phenomena may concern the material itself or its geometry. Hence, the major innovations in sensors come from new materials, new fabrication techniques or both. Normally, thin film sensors are realized by depositing a sensing film on a suitable substrate. There could be many combination of me

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50

Ching-Yao, Lin. "Integrated testing chip for pressure sensor test." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1707200612170900.

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