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Tesi sul tema "Induction motor"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Gordon, B. M. "Small induction motor drives." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599532.

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Domestic appliances represent very cost conscious applications for drives where the emphasis is on achieving the optimum compromise between cost and performance. The requirements placed on a domestic appliance drive are so radically different from those demanded of an industrial drive, that a detailed re-evaluation of all the constituent sub-units of the drive must be undertaken. Domestic appliances are produced in large volumes so the use of a special arrangement or custom components can be justified if an overall benefit can be demonstrated. The work presented in this dissertation is concern

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2

Chaudhary, Sumeet. "Lightweight Electromagnetic Induction Motor." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1581333548692675.

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3

Deib, Deib Ali. "Induction motor operation with series capacitance." Ohio : Ohio University, 1986. http://www.ohiolink.edu/etd/view.cgi?ohiou1183129403.

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4

Green, T. C. "Scalar controlled induction motor drives." Thesis, Heriot-Watt University, 1990. http://hdl.handle.net/10399/892.

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5

Memon, Niaz A. "Four quadrant induction motor controller." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260798.

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6

Flack, Timothy John. "Induction motor modelling using finite elements." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/7405.

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7

Hussein, Ali. "Interface issues in induction motor drives." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ44877.pdf.

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8

Armstrong, G. J. "Encoderless vector controlled induction motor drives." Thesis, University of Newcastle Upon Tyne, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246112.

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9

Manchen, Manfred Ludwig. "Shaded-pole flat linear induction motor." Thesis, Cape Technikon, 1990. http://hdl.handle.net/20.500.11838/1137.

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Thesis (Masters Diploma (Heavy Current)) -- Cape Technikon, 1991<br>Linear induction motors are built for numerous applications. Their robustness, gearfree-link to the load and the fact that speed is not a function of the number of poles (as in round machines) are only a few advantages. As every single phase motor needs some starting aid, so does a linear induction drive. For round machines, capacitors or shaded poles are usually used. A capacitor can be damaged electrically, which is a rare occurrence for shading rings. A useful combination of these advantages is a linear induction

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10

Esuri, Abdulhamid H. "Two-phase inverter/induction motor drive." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/33109.

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Much interest is shown nowadays in the use of variable-speed ac motor drives in applications which previously have been the domain of the de motor supplied from a controlled rectifier or chopper. This interest is due mainly to improvements in semiconductor switching technology and the consequent increased reliability of the de-link inverter, together with the cost-effectiveness and the long-term reliability of ac machines, especially squirrel-cage induction motors. This thesis presents a recently developed form of variable-speed ac motor drive, comprising a 2-phase induction motor fed by a 2-p

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11

Bharadwaj, Aravind S. "Vector controlled induction motor drive systems." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-172143/.

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12

Zhu, Chaoying. "Induction motor speed sensing and control." Thesis, University of Sussex, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358985.

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13

Zhang, Pinjia. "Active thermal protection for induction motors fed by motor control devices." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34811.

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Induction motors are widely used in industrial processes. The malfunction of a motor may not only lead to high repair costs, but also cause immense financial losses due to unexpected process downtime. Since thermal overload is one of the major root causes of stator winding insulation failure, an accurate and reliable monitoring of the stator winding temperature is crucial to increase the mean time to catastrophic motor breakdown, and to reduce the extraordinary financial losses due to unexpected process downtime. To provide a reliable thermal protection for induction motors fed by motor co

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14

Obiozor, Clarence Nwabunwanne. "Finite element analysis of a defective induction motor." Ohio University / OhioLINK, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1171672609.

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15

Mosskull, Henrik. "Robust Control of an Induction Motor Drive." Doctoral thesis, Stockholm : Automatic Control, School of Electrical Engineering, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3889.

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16

Smith, Andrew Neil. "Speed Sensorless Induction Motor Drives : A Comparison." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506428.

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17

Kibby, Devon. "Comparison of methodologies for induction motor design." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=121549.

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In the last few decades, the world of electric machine design, specifically induction machine design, has been reinvigorated by the introduction of power electronics. Where designers were once limited to a single alternating current waveform with constant voltage and frequency, power electronics have thrown all those assumptions out the window. The change has necessitated new design methods that go beyond the typical induction motor electrical equivalent circuit seen in every textbook for the last century and have sent designers back to first principles. With that sentiment, early induction

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18

Johnson, Andrew P. (Andrew Peter). "High speed linear induction motor efficiency optimization." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/10945/11052.

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CIVINS<br>CIVINS<br>One of the reasons linear motors, a technology nearly a century old, have not been adopted for a large number of linear motion applications is that they have historically had poor efficiencies. This has restricted the progress of linear motor development. The concept of a linear motor as a rotary motor cut and laid out flat with a conventional rotary motor control scheme as a design basis may not be the best way to design and control a high-speed linear motor. End effects and other geometry subtleties of a linear motor make it unique, and a means of optimizing efficiency wi

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19

Levett, D. B. "Analysis and control of an induction motor." Thesis, University of Southampton, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370346.

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20

Healey, Russell Cameron. "Advanced induction motor models for vector controllers." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337900.

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21

ZAMPERLINI, LEIDA. "INDUCTION MOTOR VELOCITY CONTROL BY SUBSYNCHRONOUS CASCADE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1987. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9839@1.

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Discute-se a modelagem de segunda ordem do acionamento por motor de indução de rotor bobinado usando cascata subsíncrona e o controle de velocidade do mesmo. As estratégias de controle habituais são criticadas e propõe-se um controlador PI com realimentação proporcional de corrente. Propõe-se também um algoritmo de projeto considerando as possibilidades de ajustes finais.<br>The second order modeling and speed control of the Wound Rotor Induction Motor Drive using Subsynchronous Converter Cascade are discussed. The usual control projects is criticized, and a PI controller with curre

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22

Zhang, Yong. "A single-pulse cycloconverter induction motor drive." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260012.

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23

Chi-Kwong, Luk Patrick. "The transputer control of induction motor drives." Thesis, University of South Wales, 1992. https://pure.southwales.ac.uk/en/studentthesis/the-transputer-control-of-induction-motor-drives(c1a20165-02d4-43d8-b1d8-039cdb1e471e).html.

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The inherent advantages of the induction motor in variable speed drive applications can now be realised in a cost-effective manner as a result of recent advances in power electronics and microelectronics. This thesis is devoted to the advancement of the use of induction motors in variable speed applications, and describes the analysis, simulation and implementation of a variable speed induction motor drive. The state-space method lends itself as an ideal approach both for digital computer modelling and design of modem controller and was therefore adopted for the analysis and simulation of the

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24

Stefani, Andrea <1976&gt. "Induction Motor Diagnosis in Variable Speed Drives." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2311/1/Stefani_Andrea_Tesi.pdf.

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Several diagnostic techniques are presented for the detection of electrical fault in induction motor variable speed drives. These techinques are developed taking into account the impact of the control system on machine variables and non stationary operating conditions.

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25

Stefani, Andrea <1976&gt. "Induction Motor Diagnosis in Variable Speed Drives." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2311/.

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Several diagnostic techniques are presented for the detection of electrical fault in induction motor variable speed drives. These techinques are developed taking into account the impact of the control system on machine variables and non stationary operating conditions.

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26

Parveen, Tania. "Composite load model decomposition : induction motor contribution." Thesis, Queensland University of Technology, 2009. https://eprints.qut.edu.au/31301/1/Tania_Parveen_Thesis.pdf.

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In this thesis, a new technique has been developed for determining the composition of a collection of loads including induction motors. The application would be to provide a representation of the dynamic electrical load of Brisbane so that the ability of the power system to survive a given fault can be predicted. Most of the work on load modelling to date has been on post disturbance analysis, not on continuous on-line models for loads. The post disturbance methods are unsuitable for load modelling where the aim is to determine the control action or a safety margin for a specific disturbance.

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27

Abu-Adma, Maged Ahmed. "Isolated induction generator, induction motor scheme for borehole pump and other application." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47325.

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28

Turl, Gary. "A synchronised multi-motor control system using hybrid sensorless induction motor drives." Thesis, University of Nottingham, 2002. http://eprints.nottingham.ac.uk/29510/.

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The main aim of this project was to research, develop and test an induction motor drive not requiring a speed encoder, but which could be considered commercially viable by motor drives manufacturers, and which should aim to meet the follow requirements: • Dynamic torque performance and steady state speed-holding accuracy to be comparable with encodered vector controlled drives • Extensive and highly accurate knowledge of electrical and mechanical parameters of the motor and load not to be required • Extensive commissioning from an expert engineer not to be necessary • Algorithm not to rely on

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29

Škoda, Josef. "Pětifázový asynchronní motor." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413145.

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This thesis deals with the design of a five-phase machine. In the first part of this thesis are presented theoretical knowledge about five-phase machines. In the next part of the thesis is designed five-phase machine by analytical calculation according to selected parameters. This calculation includes the resulting load and start characteristics. The geometrical parameters of the machine are transferred to the Ansys program, where the finite element calculation is performed together with the required simulations. The results are compared and commented.

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30

Acar, Akin. "Implementation Of A Vector Controlled Induction Motor Drive." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/1219286/index.pdf.

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High dynamic performance, which is obtained from dc motors, became achievable from induction motors with the recent advances in power semiconductors, digital signal processors and development in control techniques. By using field oriented control, torque and flux of the induction motors can be controlled independently as in dc motors. The control performance of field oriented induction motor drive greatly depends on the correct stator flux estimation. In this thesis voltage model is used for the flux estimation. Stator winding resistance is used in the voltage model. Also leakage inductance, m

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31

Sünter, Sedat. "A vector controlled matrix converter induction motor drive." Thesis, University of Nottingham, 1995. http://eprints.nottingham.ac.uk/12965/.

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This thesis concerns the design and construction of a closed-loop controlled matrix converter induction motor drive, using transputer parallel processors. The modulation algorithms used for the matrix converter are described. A 2.5 kW experimental matrix converter using IGBT switching devices has been constructed and tested. An analysis of the losses in the converter has been carried out and this gives good agreement with the measured losses. Two modulation algorithms, the Venturini algorithm and the scalar algorithm have been implemented in real-time on a network of parallel transputer proces

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32

Liang, Darwin Tat Wai. "Simulation and analysis of induction motor drive systems." Thesis, Heriot-Watt University, 1993. http://hdl.handle.net/10399/1427.

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33

Mirkazemi-Moud, Mehran. "Digital pulse width modulators for induction motor control." Thesis, Heriot-Watt University, 1993. http://hdl.handle.net/10399/1431.

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34

Leith, Douglas. "Expert systems in A.C. induction motor fault diagnosis." Thesis, Robert Gordon University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280372.

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35

Wang, Zhihuo. "Robust fault tolerant control of induction motor system." Thesis, University of Hull, 2018. http://hydra.hull.ac.uk/resources/hull:16576.

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Research into fault tolerant control (FTC, a set of techniques that are developed to increase plant availability and reduce the risk of safety hazards) for induction motors is motivated by practical concerns including the need for enhanced reliability, improved maintenance operations and reduced cost. Its aim is to prevent that simple faults develop into serious failure. Although, the subject of induction motor control is well known, the main topics in the literature are concerned with scalar and vector control and structural stability. However, induction machines experience various fault scen

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36

CASTELLANOS, JAIME ANTONIO GONZALEZ. "CONSIDERATIONS ABOUT INDUCTION MOTOR CONTROL USING ELECTRONIC INVERSORS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2000. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7431@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Os motores de indução são as máquinas mais utilizadas nos acionamentos industriais elétricas devido a sua simplicidade, robustez, maior relação torque/corrente, baixa manutenção, etc. Sua aceitação e aplicação em acionamentos com velocidade variável têm sido possível com o desenvolvimento da eletrônica de potência. Atualmente, muitos acionamentos utilizam diversas técnicas para lograr o controle de velocidade por variação da freqüência da rede de alimentação, sendo que o controle vetorial é o mais comum. O presente tra

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37

Salmon, John C. "A variable speed unipolar induction motor inverter drive." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/46449.

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38

Shaw, Steven Robert 1973. "Numerical methods for identification of induction motor parameters." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43720.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science; and, (Elec. E.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.<br>Earlier issued with only one degree specified: M.Eng. M. Eng. degree awarded in 1997; Elec. E. degree awarded in 2000.<br>Includes bibliographical references (leaves 221-223).<br>by Steven Robert Shaw.<br>Elec.E.<br>M.Eng.

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39

Wei, Ching-Woei, and 魏經緯. "Estimation Parameter of Induction Motor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/03747997545636722409.

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碩士<br>淡江大學<br>電機工程研究所<br>88<br>The mathematical model of induction motors is a highly degree of nonlinear and coupled system. The control of AC motors is considerably more complicated than it DC motors counterpart. 　　This paper study the measurement parameter and tuning Controller of induction motor. In indirect flux oriented schema, Whether all parameter accurate directly influence whole system of Stability or not. The tradition measurement and least square Method are to used to simulate and analyze induction motor of parameter. Moreover, an optimal technique is used to the PI controller simu

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40

Hsueh, Chang-Lung, and 薛昌龍. "Fuzzy Modeling for Induction Motor." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/11923662149901598742.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>92<br>The main purpose of this thesis is to study the fuzzy modeling for the three-phase induction motor. Two Sugeno type fuzzy induction motor are obtained from input-output data sets which are generated from both the differential equation model and the real three-phase induction motor by employing the adaptive network-based fuzzy inference system. In order to test and verify the fuzzy model can be expressed the real induction motor. We control the speed and position of the real induction motor, the classic differential equation model, and fuzzy induction motor mod

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41

LI, XIANG, and 李象. "Inverter-induction motor performance analysis." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/60583838454078409230.

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42

Lee, Ching-Lin, and 李青霖. "Saturated Reluctance Identification of high voltage Induction Motor and Estimation of Induction Motor/Generator Effect." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/77840688616175114971.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>91<br>Saturated reluctance identification of induction motor can be implemented by additional sensor, finite-element method, spectrum analysis, or step voltage test in the research accounts. But it is not easy to implement in the field evaluation when we need to build up the power system model, because of the factory parameter absent, expansive cost, extra sensor installation, or variable voltage and frequency. To be concerned with practicality, it is always inconvenient to build up simulation for the end user. The linear model of motor can’t provide the simulati

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43

Lie, Shin-Chuen, and 賴信全. "Sensorless Speed Estimation of Induction Motor." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/69202074986442783826.

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碩士<br>國立交通大學<br>電機與控制工程學系<br>86<br>The conventional speed transdusers in induction motor drives impose restrictions on the mechanical ruggedness, the maintenance and the use in poor enviroment. Therefor, a large number of schemes for speed sensorless ac drives has been proposed. In this thesis, the stator flux space vector is estimated in terms of mathematic induction motor model using measured currents and voltages to and calculate the rotor speed. This rotor speed signal is simulated to b

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44

ZHANG, DING-YU, and 張錠玉. "A torque-controlled induction motor driver." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/11671733769688876962.

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45

Li, Wei-Ting, and 李威霆. "Adaptive controller design of induction motor." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/80999487544372184730.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>89<br>The purpose of this paper is to propose an adaptive controller for induction motor control system. Some of the system parameters are assumed to be unknown time varying without any information of their variation bounds. Traditional adaptive control algorithms are not application to this kind of systems due to their time-varying nature. Here, a function approximation based controller is designed to transform the time-varying parameters into a linear combination of known orthonormal basis. Besides, the singularity problem of the decoupling matrix is dealt with by

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46

Wang, Chi-Nam, and 王旗男. "Multilevel PWM Inverter Control Induction Motor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/28752679261546760678.

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碩士<br>國立雲林科技大學<br>電機工程系碩士班<br>89<br>This paper presents a five-level diode clamp inverter control for induction motor by using simple V/F control law. Multilevel voltage source inverter is based on the extension of two-level inverter. By using the multilevel pulse width modulation scheme, we can obtain better output voltage and current waveform with less harmonics. The advantage of multilevel inverter is using low rated power MOSFET to implement high voltage or high power applications. To implement the adopted multilevel scheme for induction motor , the computer simulations and hardware tests

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47

Chou, Chia-Chun, and 周家駿. "Best of the Induction Motor Efficiency." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/5phnbk.

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碩士<br>國立中正大學<br>機械工程學系暨研究所<br>103<br>This thesis is mainly to use DSP as the implementation platform and build up the vector control algorithm for induction motors. First, we introduce and analyze the induction motor model and vector control methodology, and then derive the best efficiency and the highest acceleration formulation for induction motors. The derived theoretical model has been validated by the Matlab Simulink progrm. In the experiment, we use the TMS320 F28335 digital signal processing by Texas Instruments company to carry out the vector control. Through signal control card measur

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48

Pey, Chen Horng, and 陳洪霈. "Simulation and Control of Induction Motor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/33283880919958543605.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>88<br>This thesis provides a method, using MATLAB Simulink software, to develop modules of induction motors and do the simulation under the Indirect Rotor Field Oriented Vector Control theorem. After the simulation, RTW(real time workshop) is used for real-time control to rotary induction motor and linear induction motor. MATLAB Simulink contains the advantages of rapidly designing, easily correcting and friendly human-machine interface. Real time control is implemented under the RTW in MATLAB Simulink. RTW translates the simulation modules to executable C

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49

Lee, Che-Ming, and 李哲銘. "Speed Sensorless Control of Induction Motor." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/64791497222125832985.

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博士<br>國立臺灣大學<br>電機工程學系<br>86<br>This dissertation presensts a new sensorless speed estimation method for induction motor, which replaces the feedback signal of conventional speed sensors. Using the proposed method, closed-loop speed control is accomplished without any speed measurement. The proposed method is based on an adaptive flux observer, in which a second-order Kalman filter is employed to modify the esitmated rotor flux using the actually measured stator currents. The modifie

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50

Hung-Yen, Fang, and 方弘延. "Sensorless Speed Controller of Induction Motor." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/09568418114384667594.

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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>93<br>Induction motors are used very often in industries. In general, speed sensors are necessary to have induction motors controlled. However, because of the less reliability or lack of space, sometimes, speed sensors are not applicable to certain induction motors. To avoid this, this research proposes a sensorless speed control algorithm for induction motors. The control algorithm proposed is basically an adaptive sliding-mode-like control algorithm which estimates the motor speed with the measurement values of current and voltages. The real motor speed is then

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