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Tesis sobre el tema "HALL-sensor"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

Maricato, Efeso Francisco de Melo. "Sensor Hall de GaAs por implantação de ions." [s.n.], 2000. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259222.

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Orientador: Jacobus W. Swart<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-07-28T13:25:30Z (GMT). No. of bitstreams: 1 Maricato_EfesoFranciscodeMelo_M.pdf: 5710050 bytes, checksum: 922d33a93b7944d93f66aff4dde18594 (MD5) Previous issue date: 2000<br>Resumo: Neste trabalho projetamos, fabricamos e caracterizamos sensores magnéticos de efeito Hall. Realizamos um estudo sobre os princípios físicos envolvidos e figuras de mérito dos sensores (Tensão Hall, Sensibilidade, Tensão offset, Linearidade
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2

Gonzales, Vizcarra Isaac Guillermo, and Aranda Walter Santiago Campos. "Sistema de levitación magnética usando sensor de efecto hall." Bachelor's thesis, Universidad Ricardo Palma, 2014. http://cybertesis.urp.edu.pe/handle/urp/1179.

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Los sistemas de suspensión magnética vienen usándose actualmente en aplicaciones diversas como trenes de alta velocidad; rodamientos para ejes de alta velocidad; motores lineales; entre otras aplicaciones que se encuentran en sistemas de transporte, equipos médicos, motores usados en ambientes limpios (clean-rooms), etc. Estos sistemas pueden ser del tipo atractivo o repulsivo. El primero ha sido desarrollado principalmente en Alemania, mientras que el segundo se ha desarrollado en Japón. En la presente tesis se ha desarrollado el sistema del tipo atractivo que es inherentemente inestabl
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3

Ali, Raza. "Defect detection using eddy-currents and Hall effect sensor arrays." [Ames, Iowa : Iowa State University], 2007.

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4

Kawato, Yusuke. "Multi-DOF precision positioning methodology using two-axis Hall-effect sensors." Texas A&M University, 2003. http://hdl.handle.net/1969.1/3845.

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A novel sensing methodology using two-axis Hall-effect sensors is proposed, where the absolute positioning of a device atop any magnet matrix is possible. This methodology has the capability of micrometer-order positioning resolution as well as unrestricted translational and rotational range in planar 3-DOF (degree-of-freedom) motions, with potential capability of measuring all 6-DOF motions. This research presents the methodology and preliminary experimental results of 3-DOF planar motion measurements atop a Halbach magnet matrix using two sets of two-axis Hall-effect sensors. Analysis of the
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5

Tian, Peng. "Graphene-based high spatial resolution hall sensors with potential application for data storage media characterisation." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/graphenebased-high-spatial-resolution-hall-sensors-with-potential-application-for-data-storage-media-characterisation(0bb9f59f-a9e2-42e8-ac1f-0adc93e9ae01).html.

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This thesis reports on two graphene-based structures that have been proposed and fabricated as possible prototypes for high-spatial-resolution Hall sensors with potential application in research on high-density magnetic recording technology such as bit patterned magnetic recording (BPMR) and other areas where the measurement of highly inhomogeneous fields is required. There is a direct graphene-metal contact in the first structure, which is named as TYPE I in this thesis, so that the anomalous Hall effect (AHE) in the ferromagnetic islands deposited on the graphene could be detected. Meanwhile
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6

Locke, Joshua R. "CMOS Compatible 3-Axis Magnetic Field Sensor using Hall Effect Sensing." Thesis, Rochester Institute of Technology, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10003075.

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<p> The purpose of this study is to design, fabricate and test a CMOS compatible 3-axis Hall effect sensor capable of detecting the earth&rsquo;s magnetic field, with strength&rsquo;s of &sim;50 &mu;T. Preliminary testing of N-well Van Der Pauw structures using strong neodymium magnets showed proof of concept for hall voltage sensing, however, poor geometry of the structures led to a high offset voltage. A 1-axis Hall effect sensor was designed, fabricated and tested with a sensitivity of 1.12x10<sup>-3</sup> mV/Gauss using the RIT metal gate PMOS process. Poor geometry and insufficient design
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7

Sadeghi, Mohammadreza. "Highly sensitive nano Tesla quantum well Hall Effect integrated circuits using GaAs-InGaAs-AlGaAs 2DEG." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/highly-sensitive-nano-tesla-quantum-well-hall-effect-integrated-circuits-using-gaasingaasalgaas-2deg(cec2fce1-7cf5-4d36-918d-873e0d38cac0).html.

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Hall Effect integrated circuits are used in a wide range of applications to measure the strength and/or direction of magnetic fields. These sensors play an increasingly significant role in the fields of automation, medical treatment and detection thanks largely to the enormous development of information technologies and electronic industries. Commercial Hall Effect ICs available in the market are all based on silicon technology. These ICs have the advantages of low cost and compatibility with CMOS technology, but suffer from poor sensitivity and detectability, high power consumption and low op
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8

Mellet, Dieter Sydney-Charles. "An integrated continuous output linear power sensor using Hall effect vector multiplication." Diss., Pretoria : [s.n.], 2002. http://upetd.up.ac.za/thesis/available/etd-09012005-120807.

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9

Antunes, Pedro Ivo Teixeira de Carvalho. "Medição de posição de rotor em mancal magnético através de sensor Hall." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3152/tde-10062013-152331/.

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A Escola Politécnica da Universidade de São Paulo (EPUSP, Brasil) e o Instituto Dante Pazzanese de Cardiologia (IDPC, Brasil) estão desenvolvendo conjuntamente um Dispositivo de Assistência Ventricular (DAV) baseado numa bomba de vazão mista e utilizando mancais magnéticos que objetivem substituir os mancais convencionais, pois o uso de mancal magnético neste dispositivo minimiza a hemólise e melhora o tempo de vida do DAV, isso em razão da ausência e contato de um mancal com a crase sanguínea o que, por fim, aumenta a vida útil do dispositivo. O mancal magnético utilizado para o DAV será o ma
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10

Alaeinovin, Pooya. "Analysis and improvement of low precision Hall-sensor-controlled brushless dc motors." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/24224.

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Hall-sensor-based Brushless dc (BLDC) motors are becoming very popular in wide range of applications, mainly due to their low cost, high efficiency, and reliable operation as compared to the conventional brushed motors. These machines have been extensively researched in the literature mainly under two common assumptions: each Hall-sensor produce square-wave signal of exactly 180 electrical degrees; and that the signals from the three Hall-sensors are exactly 120 electrical degrees apart. These assumptions are not necessarily the case, particularly for low to medium cost motors. A recently pub
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11

Zhang, Jianbo. "Readout Circuits for a Z-axis Hall Sensor with Sensitivity Drift Calibration." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175785.

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Hall effect magnetic sensors have gradually gained dominance in the market of magnetic sensors during the past decades. The compatibility of Hall sensors with conventional CMOS technologies makes monolithic Hall sensor microsystem possible and economic. An attractive application is the contactless current sensor by using Hall sensors to measure the magnetic field generated by the electrical current. However, Hall sensors exhibit several non-idealities, i.e., offset, noise and sensitivity drift, which limit their precision. Therefore, effective techniques to reduce these imperfections are desir
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12

Santos, Paulo Roberto dos. "Desenvolvimento de um sistema sensorial utilizando sensor hall para detecção de nanopartículas magnéticas." reponame:Repositório Institucional da UnB, 2015. http://dx.doi.org/10.26512/2015.12.D.20115.

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Dissertação (mestrado)—Universidade de Brasília, Instituto de Biologia, Pós-graduação em Nanociência e Nanobiotecnologia, 2015.<br>Submitted by Fernanda Percia França (fernandafranca@bce.unb.br) on 2016-04-27T18:16:20Z No. of bitstreams: 1 2015_PauloRobertodosSantos.pdf: 3035381 bytes, checksum: b61c480db51b39b4ede83c3ae01411fe (MD5)<br>Approved for entry into archive by Marília Freitas(marilia@bce.unb.br) on 2016-05-04T14:39:09Z (GMT) No. of bitstreams: 1 2015_PauloRobertodosSantos.pdf: 3035381 bytes, checksum: b61c480db51b39b4ede83c3ae01411fe (MD5)<br>Made available in DSpace on 2016-05-
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13

Frough, Bahman Jahan. "Positionsbestämning av en roterande axel i en vinkelgivare." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-222374.

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This thesis includes a study of a touch-free sensor systems and different principles for measuring a magnetic field. An in-depth study was conducted to describe two important principles in these contexts, i.e. Magnetoresistance principle and the Hall Effect principle. A market evaluation of different sensor chips developed on these principles was conducted. Furthermore, the study should be linked to existing principles to determine the position of a rotating axis. Function tests show that the performance requirement for each component was met. The results based on verification tests show that
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14

Štindl, Daniel. "Měření proudu Hallovými senzory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242016.

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This master's thesis deals with integrated Hall-effect current sensors. The thesis contains summary of manufacturers of current sensors suitable for low current measurement and comparison of their important parameters. Next objective of the thesis is a design of test board used for evaluation of temperature depedent accuracy of several sensors simultaneously. The device can be connected with PC through USB interface for saving measured values or automated control with other instruments.
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15

Kumar, Abhinav. "SensAnalysis: A Big Data Platform for Vibration-Sensor Data Analysis." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/101529.

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The Goodwin Hall building on the Virginia Tech campus is the most instrumented building for vibration monitoring. It houses 225 hard-wired accelerometers which record vibrations arising due to internal as well as external activities. The recorded vibration data can be used to develop real-time applications for monitoring the health of the building or detecting human activity in the building. However, the lack of infrastructure to handle the massive scale of the data, and the steep learning curve of the tools required to store and process the data, are major deterrents for the researchers to pe
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16

Forsberg, Oscar. "Evaluation of Hall-sensors for motor control in high precision applications for aircraft." Thesis, Uppsala universitet, Elektricitetslära, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-296966.

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A functioning prototype test motor with Hall-sensor feedback has been built, and the test results show that the motor performance in terms of speed ripple is well within the specified demands. The temperature demands however, have not been fully met. The minimum operating temperature of the sensor was specified to -55◦C by Saab, and the sensors found on the market has a minimum operating temperature of -40◦C. There was also an operation error, the reason of which could either be failure of the drive unit to deliver enough current, or the stator magnetic field strength being too strong for the
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17

Chen, Ann Annie. "Tactile sensor design optimization for footwear applications from piezoresistive elastomer to Hall-effect integrated sensing methods." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119964.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 51-54).<br>Our ability to move across various terrains depends heavily on the mechanical interactions between our feet and the external environment. Understanding how to best replicate mechanoreceptors in feet can lead to major improvements in plantar sensing for athletic performance analysis and medical devices. However, current plantar sensing technologies are unable to meet the associated demands for accuracy,
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18

Bales, Dustin Bennett. "Characteristic Classification of Walkers via Underfloor Accelerometer Gait Measurements through Machine Learning." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/81183.

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The ability to classify occupants in a building has far-reaching applications in security, monitoring human health, and managing energy resources effectively. In this work, gender and weight of walkers are classified via machine learning or pattern recognition techniques. Accelerometers mounted beneath the floor of Virginia Tech's Goodwin Hall measured walkers' gait. These acceleration measurements serve as the inputs to machine learning techniques allowing for classification. For this work, the gait of fifteen individual walkers was recorded via fourteen accelerometers as they, alone, walked
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19

Kankanam, Gamage Sisira. "Exploration of Novel Silicon Devices Toward the Realization of a MEMS-Based Microsystem for Utilities (Water, Gas, Electrical) Monitoring." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin985901586.

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20

Gougani, Milad. "Hall sensor-based locking electric differential system for BLDC motor driven electric vehicle with independent wheel drives." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42168.

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It is generally known that stability of vehicles under certain driving conditions may be improved by forcing the wheels to turn at the same speed and angle regardless of the available traction under individual wheels. For conventional all-terrain vehicles or sport-utility vehicles, this function can be achieved by locking the mechanical differential system. In this thesis, we propose an innovative approach for locking the electrical differential system (EDS) of electric vehicles (EV) with independent brushless DC (BLDC) machine-based wheel drives. The proposed method locks the active wheels of
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21

Rivest, Christopher W. (Christopher Warren). "Design and characterization of a low cost dual differential proving ring force sensor utilizing Hall-effect sensors." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36709.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (leaf 31).<br>A novel dual differential hall-effect based proving ring force sensor has been designed, manufactured, and tested. Strain gauge based force sensors are among the most common methods of measuring static and dynamic forces, yet they suffer from a wide array of negative attributes including: high cost due to signal amplification instrumentation, high temperature sensitivity, and only moderate dynamic range. The goal of the research herein described was
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22

Malmström, Tore, and Carl Göransson. "Lightweight elevator : A portable elevator capable of climbing rooftops." Thesis, KTH, Mekatronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-295794.

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The purpose of this project is to design and construct a portable lightweight elevator for transportation of goods to rooftops. The elevator should be easy to transport, assemble and disassemble, it should also be useful at various heights and for a wide range of roof inclinations. The elevator contains a railway consisting of four separable modules. A carriage rides the railway and is pulled to the top with a winch powered by a DC-motor. The carriage starts and stops using a Rocker switch and a Hall sensor that detects magnets placed at the end and beginning of the railway. After performing t
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23

Fialho, Walter Macêdo Lins. "Ensaio não destrutivo baseado em medidas de campo magnético para acompanhamento da formação da fase sigma em um aço inoxidável duplex." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/8960.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2017-05-23T14:29:46Z No. of bitstreams: 1 arquivo total.pdf: 4795148 bytes, checksum: c54fd3a89b2f0d0910af969c83f2d9b6 (MD5)<br>Made available in DSpace on 2017-05-23T14:29:47Z (GMT). No. of bitstreams: 1 arquivo total.pdf: 4795148 bytes, checksum: c54fd3a89b2f0d0910af969c83f2d9b6 (MD5) Previous issue date: 2015-06-18<br>Duplex stainless steels (AID) are characterized for having good mechanical strength and corrosion. However, when subjected to manufacturing processes requiring the material thermal cycles with temperatures above 600 ° C,
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24

Tappe, Peter, Jürgen Heinzmann, and Ralf Raupold. "On/Off solenoid with sensorless position detection." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71254.

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As is generally known, pressure-resistant solenoids for valves are used in hydraulics and pneumatics. These solenoids, for example, consist of a so-called pole tube with an integrated armature and a separate solenoid coil. Suitable displacement measuring systems are used in order to measure the armature´s as well as valve spool´s position constnatly; these ar directly mounted to the solenoid. Exeamples here are Hall Effect sensors or LVDT transducers. In case of lesser requirements, it is also possible to measure the valve spool´s position directly and in simplified manner. Here, partially sta
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25

Evestedt, Fredrik, and Anders Karlsson. "Strömkontroll till aktiva magnetlager med noggrann och störningsreducerad strömmätning." Thesis, Uppsala universitet, Elektricitetslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201314.

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There is always a need for more effective ways to store energy in order to reduce the human impact on the environment. One step on the way can be the use of flywheels as kinetic energy storage devices. Low frictional losses are essential for a flywheel to be effective. To minimize these losses active magnetic bearings (AMB) can be used to keep the shaft centered instead of the more conventional ball-bearings. AMBs use actuators and a fast control system that needs correct and noise-free measurement data of the shaft position and the current in the actuators to work properly. This thesis explai
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26

Oba, Masatoshi. "STUDIES ON THE FABRICATION OF VERTICAL INTEGRATED MEMS DEVICES." 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/126817.

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27

Schell, Jean-Baptiste. "Microsystème de positionnement dédié à l'instrumentation d'aiguilles pour intervention chirurgicale sous scanner IRM." Thesis, Strasbourg, 2013. http://www.theses.fr/2013STRAD043.

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Les interventions chirurgicales s'orientent de plus en plus vers des techniques dites mini-invasives. Dans ce mode d'intervention, le praticien perd la vision directe de l'extrémité de l'instrument médical qu'il manipule. Le contrôle visuel du déplacement de l'instrument à l'intérieur du corps humain s'effectue alors sur écran grâce aux techniques d'imagerie médicale, en particulier l'imagerie par résonance magnétique (IRM). Afin d'assurer une grande précision du déplacement de l'instrument, sa position doit être connue pour permettre un recalage automatique du plan d'imagerie en temps réel. C
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28

Liang, Chen-Wei. "A high spatial resolution magnetovision camera using high-sensitivity Quantum Well Hall Effect sensors." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/a-high-spatial-resolution-magnetovision-camera-using-highsensitivity-quantum-well-hall-effect-sensors(fbd23629-b9f8-4f1d-9bc7-1ee08bcf79e8).html.

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A systematic and detailed design, building and testing of a high-sensitivity real-time magnetovision imaging system for non-destructive testing (NDT) was the purpose of the research presented here. The magnetic imaging systems developed were all based on an ultra-high sensitivity Quantum Well Hall Effect (QWHE) sensors, denoted as the P2A, which is based on GaAs-InGaAs-AlGaAs 2DEG heterostructures. The research progressed from 0D (single sensor) to 1D (linear array) to 2D (two dimensional arrays) testing modalities. Firstly, the measurement of thermal and shot noises, drift, detection limit, a
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29

Dehbaoui, Mourad. "Analyses structurales et contrôle de l'aimantation par sonde de Hall planaire dans des dispositifs nanostructurés." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20128/document.

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Dans un effort de combiner le bénéfice des propriétés magnétiques et électroniques, les semi-Conducteurs magnétiques dilués sont projetés pour être à la base de composants reliant dans leur fonctionnement, à la fois la charge et le spin des électrons. Par l'utilisation d'une technique de magnétométrie à effet Hall, on a fait la caractérisation de ces matériaux par la détermination de l'orientation magnétique à basse température. Nous nous sommes aussi intéressés aux matériaux moléculaires à transition de spin (SCO). La technologie des capteurs magnétiques offre une voie vers la vulgarisation d
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30

West, Jerry. "Orthoplanar Spring Based Compliant Force/Torque Sensor for Robot Force Control." Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6637.

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A compliant force/torque sensor for robot force control has been developed. This thesis presents methods of designing, testing, and implementing the sensor on a robotic system. The sensor uses an orthoplanar spring equipped with Hall-effect sensors to measure one component of force and two moment components. Its unique design allows for simple and cost effective manufacturing, high reliability, and compactness. The device may be used in applications where a robot must control contact forces with its environment, such as in surface cleaning tasks, manipulating doors, and removing threaded faste
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31

Cichon, Daniel [Verfasser], Hannes [Akademischer Betreuer] Töpfer, Galdo Giovanni [Gutachter] Del, and Silvia [Gutachter] Krug. "Robuste Lokalisierung magnetischer Quellen mithilfe integrierter 3D-Hall-Sensor-Anordnungen / Daniel Cichon ; Gutachter: Giovanni Del Galdo, Silvia Krug ; Betreuer: Hannes Töpfer." Ilmenau : TU Ilmenau, 2020. http://d-nb.info/1223849643/34.

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32

Horigoshi, Francis Massashi. "Uso de sensor efeito Hall para medição da vazão de fluidos no processo de produção de palatabilizantes a base de proteína animal em escala piloto." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/74/74134/tde-28112016-135201/.

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Os medidores de vazão contribuem de forma significante para a otimização industrial onde o deslocamento contínuo de massa é parte integrante do sistema produtivo, sendo, portanto, cruciais para a indústria permitindo assim padronizar produtos e automatizar ações reduzindo a força de trabalho humana e minimizando erros. Este é o caso da produção de palatabilizantes, substâncias produzidas a partir da hidrólise enzimática da proteína animal para conferir aroma e sabor aos alimentos, onde existe um deslocamento continuo de massa com dosagem de fluidos acionadas em várias etapas do processo. Podem
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33

Osberger, Laurent. "Etude de magnétomètres haute performance intégrés en technologie silicium." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAD012.

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La thématique de ce sujet de thèse porte sur l'étude des capteurs de champ magnétique intégrés en technologie CMOS standard basse tension sans étapes de fabrication supplémentaires. La co-intégration du transducteur (l'élément sensible qui transforme le champ magnétique en une grandeur électrique) et de son électronique de conditionnement du signal sur la même puce permet réaliser des fonctions spécifiques qui améliorent significativement les performances du capteur. Les travaux présentés dans cette thèse portent plus particulièrement sur deux types de transducteur : le transducteur à effet Ha
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34

Srinivas, Achanta. "A Measurement Tool for Consumption Pattern of Hand wiping Tissue Paper." Thesis, Blekinge Tekniska Högskola, Avdelningen för maskinteknik, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2902.

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Due to environmental concerns and competition within the industry there is an imminent need by paper manufacturers to asses the paper consumption depending on the quality of the tissue paper. For this purpose, the consumption of tissue paper from a tissue vending machine needs to be monitored and calculated. A Hall Effect Sensor coupled with a Passive Infrared Sensor was used to monitor the flow of paper per Person. MATLAB is used as the programming language to read the signals from the sensors. The consumption obtained would be used to obtain better, less bulky design models. As well deduce a
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35

Östling, Johan. "High Accuracy Speed and Angular Position Detection by Dual Sensor." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-365726.

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For many decades there has been a need in many industries to measure speed and position of ferrous gears. This is commonly done by converting passing gear teeth from trigger wheels to electrical impulses to calculate speed and angular position. By using Hall effect sensors or Giant Magnetoresistance sensors (GMR), a zero speed detection of gear teeth is possible while at the same time be cheap to produce and durable for harsh environments. A specially designed trigger-wheel (cogwheel created for measurements) with gear teeth in a specific pattern, exact position can be detected by using a dual
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36

Yu, Yingbei. "Mechanical Dynamics of a Sensorless PMSynRel Drive." Thesis, KTH, Elektrisk energiomvandling, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-124546.

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Hybrid electric vehicle (HEV) concept has, combining conventional internal combustion engines and electric drives, gained more and more interest due to its environmental friendly features. A PMSynRel based electric drive is considered as a good option due to its high torque density and high efficiency. To reduce the overall cost of HEVs, the position resolvers can be replaced by Hall-sensors or using sensorless control. However, the dynamics of such electric drives may be degraded. The main objective of this MSc project is to develop torque dynamics of such electric drives when operating with/
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37

Ozturk, Salih Baris. "Modelling, simulation and analysis of low-cost direct torque control of PMSM using hall-effect sensors." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/4905.

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This thesis focuses on the development of a novel Direct Torque Control (DTC) scheme for permanent magnet (PM) synchronous motors (surface and interior types) in the constant torque region with the help of cost-effective hall-effect sensors. This method requires no DC-link sensing, which is a mandatory matter in the conventional DTC drives, therefore it reduces the cost of a conventional DTC of a permanent magnet (PM) synchronous motor and also removes common problems including; resistance change effect, low speed and integration drift. Conventional DTC drives require at least one DC-link volt
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38

Alberti, Paolo. "Progetto e realizzazione di un sistema di test per sensori a effetto hall a banda larga." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9294/.

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Un ambito di largo interesse nel campo dell’elettronica, è quello delle misure di corrente a larga banda, in cui la richiesta per sistemi a basso costo è aumentata sensibilmente nel corso del tempo. La causa di questo interessamento è dovuto al più frequente utilizzo di sistemi switched power ad alta frequenza, che necessitano di sensori di correnti isolati e ad alte prestazioni. L’intero lavoro prende in considerazione un sensore di nuova generazione per le misure di corrente, capace di raggiungere prestazioni oltre lo stato dell’arte. L’elaborato presentato vede, quindi, come obiettivo la
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39

Kršiak, Oliver. "Optimalizace modelu vodní elektrárny." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242054.

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This diploma thesis deals with the creation measuring instruments and program for controlling model hydropower plant intended for laboratory use. The first step is to improve the mechanical performance of the original model of hydroelectric power. The second step is to select a revive measuring instruments for electric values of the plant. The third step is to create a program for displaying electrical parameters and control the plant. The final step was re-measuring the operating characteristics of the generator model hydropower plant.
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40

ANDERSSON, JOHAN, and RICKARD HÖGLUND. "Electric Load Driven Longboard." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279809.

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This bachelor’s thesis aims to show an extensive overview of all the parts that build up an electric load driven longboard and see if a load controlled longboard can be seen as a safe, comfortable and convenient alternative to the more common remote controlled longboard. The thesis will also answer how weight can be measured on a longboard in the most effective way, what the most comfortable riding technique is and what a good motor-battery configuration to be able to travel at 30 km/h and 10 km would be. The longboard measures the weight distribution with load cells located between the deck a
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41

Корчака, Микола Олександрович. "Інтегральні сенсори струму на ефекті Холла з магнітною компенсацією напруження". Master's thesis, КПІ ім. Ігоря Сікорського, 2020. https://ela.kpi.ua/handle/123456789/40371.

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Дисертація складається зі вступу, п’яти розділів, висновків, списку використаних джерел. Загальний обсяг дисертації становить 94 сторінки, у тому числі 85 сторінок основного тексту, 65 рисунків, 25 таблиць, список використаних джерел із 56 найменувань. Метою дисертаційної роботи є розробка напівпровідникового інтегрального сенсора струму на ефекті Холла зі схемою компенсації дії напруження, яка використовує інтегровано котушку індуктивності. При розв’язанні поставлених у роботі завдань для розробки і проєктування інтегрального сенсора струму на ефекті Холла використано теорію електричних кіл
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42

Fikar, Vratislav. "Sledování provozních údajů manipulační techniky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442351.

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Master’s thesis deals with the design of monitoring of handling equipment. Measured quantities are the switched-on state of the forklift, the time of active use, monitoring of transported material, and the total traveled distance. For each quantity, several possible sensing methods are outlined followed by a summary of the pros and cons of each method, which served as the basis for selecting the most suitable sensor for sensing the required information. The theoretical part of the thesis outlines the proposals in terms of both theoretical aspects as well as the implementation of the sensors al
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43

Vaculík, Vlastimil. "Snímače proudu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219715.

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This diploma theisis deals with the theoretical analysis of the known types of current sensors, including for example, current transformers, shunts, and advanced sensors using Hall sensor or Rogowski coil. Subsequently, the rest of the work deals with the issue of current transducers with Hall sensors, without using a ferromagnetic circuit. For optimal currnet measure and overall precision, several possible options are designed and calculated. This includes number of sensing elements and distribution of sensors around the wires. Based on calaculation of magnetic intensity, related 3D charts al
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44

Štajner, David. "Pohon EC motoru malého výkonu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317120.

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The aim of this diploma thesis is to introduce a construction and controlling of the EC motor. On a base of knowledge make up a EC motor model in Matlab Simulink, with a position scanning providing by Hall probe. The EC motor model should be with its behavior close to the real EC motor as much as possible. There were a given requirements on the motor. On the base of those requirements was chosen a real EC motor. Its catalog values were put in the EC motor model in Matlab and the results were compared with real data. Next task was to design a real controlling driver of EC motor, which should ha
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45

Törnquist, Martin. "Investigation of rotational velocity sensors." Thesis, Linköping University, Department of Electrical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15904.

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<p><p>To improve the speed measurement of construction equipment, different sensor technologies have been investigated. Many of these sensor technologies are very interesting but to keep the extent of the thesis only two was chosen for testing, magnetic absolute angle sensors using Hall and GMR technology, to investigate if those are a valid replacement for the current measurement system that is using a passive sensor. Tests show that these sensors are capable of speed measurement, but because of noisy angle estimates they need filtering for good speed computation. This filtering introduces a
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46

ERICSON, JOAKIM, and ADAM WESTERMARK. "CheckMate : Remote Arduino powered chess." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279824.

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Board games are on the rise and chess is no exception. However, in an increasingly digitalized world these board games lack something in comparison to digitalized games, being able to play with anyone anywhere. This project aimed to combine these two worlds by being a physical game of chess where one could play against an opponent from far away. CheckMate is a robot consisting of an acrylic frame and various electronic components, such as an electromagnet, two stepper motors, a Hall eect sensor and a WiFi module. The electromagnet and Hall eect sensor were able to move using a belt and pulley
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47

Beck, Riley D. "High Voltage Analog Design in a Standard Digital CMOS Process." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1092.pdf.

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48

Long, Fei. "Three-Dimensional Motion Control and Dynamic Force Sensing of a Magnetically Propelled Micro Particle Using a Hexapole Magnetic Actuator." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1452093964.

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49

Massoumzadeh, Ramtin. "Realization of a serially-linked haptic device." Thesis, KTH, Maskinkonstruktion (Inst.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226164.

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Spatial haptic interfaces have existed for more than 20 years but have not been widespread despite promising applications. The few devices found in the market as of today are either considered costly, of higher quality and produced in smaller series or mass-produced and cheap, but of lower quality. This thesis aims to develop a new serially-linked everyday haptic desktop product under the project name Polhem. It aims to be based on the previous efforts of WoodenHaptics and AluHaptics, developed by Forsslund et al. The electronics and control software is shared between the WoodenHaptics, the Al
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50

Divín, Jan. "Měření směrových charakteristik antén." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218898.

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This Master’s Thesis is dealing with measuring antennas in far field. Especially with automation this measure, direction sensors made by optical mouse, Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection and remote unit this workplace, which can made communication with PC by USB. It describes the making control program for the PC.
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