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Dissertations / Theses on the topic 'Permanent-magnet synchronous reluctance motors'

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Published: 4 June 2021

Last updated: 12 February 2022

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1

Konara, Mudiyanselage Iresha Shamini Dharmasena. "Model Predictive Control of Five-Phase Permanent Magnet Assisted Synchronous Reluctance Motor." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1535203021942922.

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2

De, Kock Hugo Werner. "Position sensorless and optimal torque control of reluctance and permanent magnet synchronous machines." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1314.

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Thesis (PhD (Electric and Electronic Engineering))--University of Stellenbosch, 2009.<br>Keywords: position sensorless control, torque control, synchronous machines The work in this thesis deals with energy e cient torque control and rotor position estimation in the full speed range, for a family of synchronous machines that should be used more often in the near future. This family consists of the permanent magnet synchronous machine (PMSM), the reluctance synchronous machine (RSM), the interior-PMSM and the PMassisted- RSM. By designing and controlling these synchronous machines correct

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3

Kumar, Jha Amit. "Optimization of Line Start Permanent Magnet Synchronous Motor for Magnet Cost Reduction." Thesis, KTH, Elektrisk energiomvandling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-124550.

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In this thesis different methods of optimizing line start permanent magnet motor (LSPM) for magnet cost reduction is studied. Influence of different parameters has been studied by simulating magneto-static and transient FEM models of the machine. Finally a motor design of a LSPM with high rotor saliency has been proposed. The first method investigated is the use of flux barriers in LSPM and its effect on the magnetic flux leakage. The flux barriers reduce the flux leakage and hence help in reducing magnet volume. The second method studied is the use of two different grades of magnets. Using lo

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4

Niazi, Peyman. "Permanent magnet assisted synchronous reluctance motor, design and performance improvement." Texas A&M University, 2005. http://hdl.handle.net/1969.1/3178.

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Recently, permanent magnet assisted (PMa)-synchronous reluctance motors (SynRM) have been considered as a possible alternative motor drive for high performance applications. In order to have an efficient motor drive, performing of three steps in design of the overall drive is not avoidable. These steps are design optimization of the motor, identification of the motor parameter and implementation of an advanced control system to ensure optimum operation. Therefore, this dissertation first deals with the design optimization of the Permanent Magnet Assisted Synchronous Reluctance Motor (PMa-SynRM

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5

Sadri, Seyed Mohammad Reza. "Variable reluctance motor and drive systems /." View thesis, 1995. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030716.150935/index.html.

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6

De, Kock Hugo Werner. "Dynamic control of the permanent magnet assisted reluctance synchronous machine with constant current angle." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/2062.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2006.<br>This thesis is about the dynamic control of a permanent magnet assisted reluctance synchronous machine (PMA RSM). The PMA RSM in this thesis is a 110 kW traction machine and is ideal for the use in electrical rail vehicles. An application of the dynamic control of the PMA RSM in electrical rail vehicles is to reduce wheel slip. The mathematical model of the PMA RSM is derived and explained in physical terms. Two methods of current control for the PMA RSM are investigated, namely constant field cu

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7

Poudel, Bikrant. "Line Start Permanent Magnet Synchronous Motor for Multi Speed Application." ScholarWorks@UNO, 2017. https://scholarworks.uno.edu/td/2430.

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This thesis aims to design and develop LSPM motors capable of operating in two distant synchronous speeds with good starting torque and steady state characteristics for variety of industrial applications, in particular offshore and maritime applications. The proposed designs are based on variable pole numbers for the stator and the rotor. The stator winding consist of two independent windings with different pole numbers to switch the winding and change the operating pole count for low and high speed applications. For the motor to operate in these two distinct operating speeds, the rotor must b

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8

Arafat, AKM. "ANALYSIS AND CONTROL OF FIVE-PHASE PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR DRIVE UNDER FAULTS." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1524168102423576.

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9

Arafat, AKM. "Fault Tolerant Control of a Five-Phase Permanent Magnet Assisted Synchronous Reluctance Motor." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1449838071.

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10

Singh, Aditya Pratap. "Concept Population & Verification of Traction Motors." Thesis, KTH, Fordonsdynamik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302129.

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The electrification of automobiles has emerged as the sustainable powertrain solutionto meet United Nations sustainable development goals of sustainable cities andcommunities, affordable and clean energy, and climate action. The success of theelectrification depends on the efficiency of traction motors. Hence, the automobileindustry is dedicated to improving the performance of electrical traction machinesfor high performance and sustainability. The thesis aims to build various electricalmachine’s concept designs and quantify their behaviour on sustainability andperformance. The thesis objectiv

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11

Herbert, Joseph. "Thermal Analysis of a Permanent Magnet Assisted Synchronous Reluctance Motor Using Lumped Parameter Thermal Modeling." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1491313645053898.

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12

Islam, Md Zakirul. "Design and Performance Analysis of Rare-Earth-Free Five-Phase Permanent Magnet-Assisted Synchronous Reluctance Motor." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1574423146588421.

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13

Ortega, Dulanto Adrian. "Design of a Synchronous Reluctance Motor Assisted with Permanent Magnets for Pump Applications." Thesis, KTH, Elektrisk energiomvandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163280.

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This Master thesis focuses on the design of a high efficiency Permanent-Magnet-Assisted Synchronous Reluctance Motor (PMASynRM) intended for pump applications. The new motor is designed to replace an existing Induction Motor (IM) in a pump product. The basic principles of SynRM, and PMASynRM Motors and a good analytical model were introduced. Due to the complexity and high non-linearity of this specific electrical machine, Finite Element Method (FEM) and an analytical model were combined. First, a parameter sensitivity analysis was carried out with the software SPEED. However, SPEED does not g

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14

Jahan, Israt. "Implementation and experimental evaluation of a parameterized PMSynRM model using Matlab and Comsol Multiphysics." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-265782.

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This thesis focuses on modelling of the permanent magnet synchronous reluctancemotor (PMSynRM), which has drawn considerable attention by researchers thanks toits high efficiency and wide range of speed operation. Comparisons with measurementsfrom a four-pole PMSynRM with four barriers and 24 stator slots have been carriedout. In this thesis work, Matlab and Comsol Multiphysics are used to implement theparameterized PMSynRM model.Models of the PMSynRM in two-dimensions (2D) and three-dimensions (3D) havebeen implemented. The electromotive force (back emf) at no load condition for a fullpitchan

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15

Devgan, S. K. "Permanent magnet synchronous motors." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235056.

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16

Arvidsson, Amanda. "Generic Control of Permanent Magnet Synchronous Motors." Thesis, Linköpings universitet, Fysik och elektroteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110898.

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17

López, Torres Carlos. "Analysis and implementation of a methodology for optimal PMa-SynRM design taking into account performances and reliability." Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/620779.

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Automotive applications focus to develop drive-train technologies with higher energy efficiency and lower environmental impact. Electric and hybrid vehicles are gaining popularity since they fulfill these requirements . The aim of optimal motor design is to achieve high torque and power densities, wider speed range and high efficiency within the area defining the most frequent operating points. This work presents a methodology to optimize electric motors for traction applications considering a multi-physics approach. The magnetic behavior is evaluated using a complex reluctance networks capabl

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18

Sooriyakumar, Gunaratnam. "Efficient design methodology for permanent magnet synchronous motors." Thesis, University of East London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.532988.

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19

Alhassan, Muhtar Hanif. "Permanent magnet synchronous motors in position control systems." Thesis, University of Sussex, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333398.

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20

Milanfar, Peyman. "Failure monitoring in small permanent-magnet synchronous motors." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/17270.

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21

Karacan, Cuneyt. "Comparison Of Performance Of Switched Reluctance Motors, Induction Motors And Permanent Magnet Dc Motors." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604925/index.pdf.

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Since most of the electrical energy is consumed by the electrical motors, it is necessary to use the electrical energy as efficient as possible. Throughout this study four different types of motors (induction motor, permanent magnet radial flux DC motor, permanent magnet axial flux DC motor, switched reluctance motor) are considered and compared based on their torque per unit volume and speed performance comparison. Torque per unit volume equations are obtained for each of the motor, related to quantities such as magnetic flux density and electric loading and the speed performances are compar

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22

Mi, Chunting. "Modelling of iron losses of permanent magnet synchronous motors." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58959.pdf.

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23

Apostolopoulos, Nikolaos. "Design and implementation of an SPB converter for fault tolerant PMSynRel motor control." Thesis, KTH, Elektrisk energiomvandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-179141.

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The stacked polyphase bridges (SPB) converter topology is investigated in the presentthesis as a fault-tolerant choice for permanent-magnet synchronous reluctance (PMSyn-Rel) motor control. Integrated motor drive systems are studied as they offer great benefitsfor propulsion applications. Moreover, the importance of a modular topology, like theSPB, for an electric powertrain is discussed. The latter consists of a number of seriesconnected, 3-phase 2-level inverter submodules that supply separate sets of windings ina multi-star motor. The specifications of building a four-board SPB setup are ex

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24

Urresty, Betancourt Julio César. "Electrical and magnetic faults diagnosis in permanent magnet synchronous motors." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/101505.

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Permanent magnet synchronous motors (PMSMs) are an alternative in critical applications where high-speed operation, compactness and high efficiency are required. In these applications it is highly desired to dispose of an on-line, reliable and cost-effective fault diagnosis method. Fault prediction and diagnosis allows increasing electric machines performance and raising their lifespan, thus reducing maintenance costs, while ensuring optimum reliability, safe operation and timely maintenance. Consequently this thesis is dedicated to the diagnosis of magnetic and electrical faults in PMSMs.

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25

Mevey, James Robert. "Sensorless field oriented control of brushless permanent magnet synchronous motors." Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1507.

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26

Cignali, Giovanni <1981&gt. "Nonlinear Observers for Sensorless Control of Permanent Magnet Synchronous Motors." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5585/.

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In this thesis, the industrial application of control a Permanent Magnet Synchronous Motor in a sensorless conﬁguration has been faced, and in particular the task of estimating the unknown “parameters” necessary for the application of standard motor control algorithms. In literature several techniques have been proposed to cope with this task, among them the technique based on model-based nonlinear observer has been followed. The hypothesis of neglecting the mechanical dynamics from the motor model has been applied due to practical and physical considerations, therefore only the electromagne

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27

Lennartsson, Alexander, and Martina Blomberg. "Fault Detection in Permanent Magnet Synchronous Motors using Machine Learning." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-84909.

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In the aviation industry, safety and robustness are the number one priorities, which is why they use well-tested systems such as hydraulic actuators. However, drawbacks such as high weight and maintenance have pushed the industry toward newer, electrical, actuators that are more efficient and lighter. Electrical actuators, on the other hand, have some reliability issues. In particular, short circuits in the stator windings of Permanent-Magnet SynchronousMotors (PMSMs), referred to as Inter-Turn Short Faults (ITSFs), are the dominating faults, and is the focus of this thesis. ITSFs are usually

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28

Uddin, Mohammad Nasir. "Intelligent control of an interior permanent magnet synchronous motor drive." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0021/NQ55128.pdf.

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29

Dema, Kleita. "Sensorless Control of Inner Permanent Magnet Synchronous Motor." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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In this thesis, a speed observer is implemented to estimate the position and the speed of an IPMSM by injecting a voltage signal at high frequency. The fundamental principle is to track the position error through a PLL loop, instead of aiming to estimating the actual position. Several simulations are carried out to assess the performance of the control system to parameter variations. The stability and the robustness of the control system is proved at different speeds.

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30

Deák, Csaba Zsolt [Verfasser]. "Modular Permanent-Magnet Synchronous Motors with high Electromagnetic Utilization / Csaba Zsolt Deák." Aachen : Shaker, 2012. http://d-nb.info/1069046175/34.

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31

Saavedra, Ordóñez Harold. "Analysis and design of fault tolerant axial flux permanent magnet synchronous motors." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/286323.

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Electric vehicles (EVs) are attractive comparted to internal combustion engine powered vehicles due to several benefits, including low emissions, higher efficiency, less maintenance costs, stronger acceleration or lower fuel price, among others. EVs require traction motors with especial features, including high efficiency, high power and torque density, compactness, precise torque control, extended speed range. This work focuses on the analysis and optimal electromagnetic design of fault tolerant permanent magnet synchronous motors. The study is mainly based on the research of analytical desig

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32

Al, azze Qasim. "Field-Oriented Control of Permanent Magnet Synchronous Motors Based on DSP Controller." Thesis, Southern Illinois University at Edwardsville, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1557741.

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<p> Permanent Magnet Synchronous Motor is widely used in appliances, robots, hybrid electric vehicle, and many other motor applications. permanent magnet synchronous motor has a small size, high efficiency and high performance. Field–Oriented control is a efficiently used method to control the torque as well the speed of permanent magnet synchronous motor. This paper presents a mathematical model of permanent magnet synchronous motor, which is multipole stator winding with constant excitation feeds from the permanent magnet which is mounted on the rotor. Only surface permanent magnet syn

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33

Treharne, William. "The optimal application of common control techniques to permanent magnet synchronous motors." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:e8e2902a-d383-400f-9be0-bb3c11b3899c.

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Permanent magnet synchronous motors are finding ever increasing use in hybrid and electric vehicles. This thesis develops a new control strategy for Permanent Magnet Synchronous Motors (PMSMs) to reduce the motor and inverter losses compared to conventional control techniques. The strategy utilises three common control modes for PMSMs; brushless DC with 120°E conduction, brushless DC with 180°E conduction, and brushless AC control. The torque and power output for each control mode is determined for an example motor system using a three phase axial flux YASA motor and an IGBT inverter. The loss

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34

Jayasoma, Sujitha. "An advanced drive system for permanent magnet synchronous motors using field programmable." Thesis, University of East London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.532536.

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This research is concerned with the evolution of an advanced drive system for use with permanent magnet synchronous motors. The proposed drive system incorporates state-of-the art control strategies with a switching matrix current loop which is a special case of the sliding mode control loop, implemented using field programmable gate array (FPGA) devices. This significantly increases the bandwidth of the current control loop, in comparison with systems using PI current controllers and therefore improves the dynamic performance of the drive system. The hard-wired FPGA implementation of a curren

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35

Wang, Bo. "A triple redundant 3x3-phase fault tolerant permanent magnet synchronous reluctance machine drive." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/19803/.

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Fault tolerant machine drives are key enabling technologies for safety critical applications such as electric vehicle traction, and aerospace power generation, actuation and propulsion. High performance in healthy conditions and excellent fault tolerance against various faults are required for a fault tolerant drive, however, these two aspects usually conflict with each other. Thus, this PhD study aims to develop a fault tolerant machine drive which exhibits high performance and good fault tolerance, and can be realised in a simple and cost-effective manner. First, a novel triple redundant 3x3

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36

Evans, Steven Andrew. "Design and optimization of a permanent magnet linear reluctance motor for reciprocating electro-mechanical systems." Thesis, Loughborough University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360798.

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37

Xian, Wei. "Development and test of a high temperature superconducting permanent magnet synchronous motor." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609701.

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38

Ofori-Tenkorang, John. "Permanent-magnet synchronous motors and associated power electronics for direct-drive vehicle propulsion." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10758.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.<br>Includes bibliographical references (p. 306-310).<br>by John Ofori-Tenkorang.<br>Ph.D.

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39

Ozturk, Salih Baris. "Direct torque control of permanent magnet synchronous motors with non-sinusoidal back-EMF." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2728.

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40

Rim, Geun-hie. "Variable speed constant frequency power conversion with permanent magnet synchronous and switched reluctance generators." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/40015.

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41

Bonthu, Sai Sudheer Reddy. "Optimal Design and Comparative Analysis of Multi-Phase Permanent Magnet Assisted Synchronous Reluctance Machines." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1439393220.

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42

Khan, Kashif Saeed. "Design of a Permanent-Magnet Assisted Synchronous Reluctance Machine for a Plug-In Hybrid Electric Vehicle." Licentiate thesis, KTH, Elektrisk energiomvandling, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-50595.

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43

Yang, Jian. "Prediction of the power losses of PWM inverter drives for permanent magnet synchronous motors." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06112009-063124/.

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44

Chen, You-Sheng, and 陳佑昇. "Design of Multi-phase Permanent-magnet Assisted Synchronous Reluctance Motors." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/97ce44.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>106<br>This thesis aims to analyze and design a multiphase permanent-magnet assisted synchronous reluctance motor. The motor has 48 slots and 8 poles. Dual three-phase winding with two sets of three-phase three-arm inverter as well as six-phase winding with six-phase inverter are designed to enhance system reliability. The innovative design of rotor magnet shape is proposed to increase the inductance ratio between quadrature as well as direct axis to yield both magnetic and reluctance torques. The magnets in rotor are hollowed to form magnetic barriers. Non-rare eart

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45

Luo, Ta-Yin, and 羅大殷. "Designs and Analyses of Permanent Magnet Assisted Synchronous Reluctance Motors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/48976828248270285045.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>104<br>The purpose of this research is to provide a systematic design of a low-cost and high performance Permanent-Magnet-Assisted Synchronous Reluctance Motor (PMA-SynRM) base on the stator of an existing commercial induction motor. The motor design process started from the rotor design optimization of the synchronous reluctance motor, then the proper placement and usage of magnets, and finally the structural design of the PMA-SynRM. The effects among different flux path designs in the rotor core, the magnets, and the unavoidable structural changes for the massive

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46

Ting-Wei, Syu, and 許庭維. "Implementation of a Permanent Magnet-assisted Synchronous Reluctance Motor Drive." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/96267277112456304762.

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碩士<br>明志科技大學<br>電機工程系碩士班<br>103<br>This thesis studies the permanent magnet-assisted synchronous reluctance motor drive. Three layers of high-strength permanent magnets are installed on therotor, and by the permanent magnet as well as reluctance torques to provide rotating magnetic field. Because there exist stator windings only in the stator, cooling would be easier, torque ripple becomes less, and motor’s efficiency is higher. This thesis proposes a vector control method that can improve permanent-magnet synchronous motor’s torque ripples. Indirectly increase the electromagnetic torque and a

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47

Chakali, Anil K. "Sensorless Speed Control of Permanent Magnet-Assisted Synchronous Reluctance Motor (PMa-SynRM)." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-12-7405.

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An interesting alternative for today's high efficiency variable speed drives is the Permanent Magnet-Assisted Synchronous Reluctance Motor drive, which belongs to the family of brushless synchronous AC motor drives. Generally, the reluctance torque of this motor is significant compared to the Permanent Magnet electrical torque. The advantage of increased reluctance torque is the decreased need of expensive permanent magnet (PM) material, which makes this solution thus cheaper than the respective permanent magnet motor. Also due to its synchronous operation, sensorless rotational control is pos

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48

Liu, Yu-Han, and 劉育涵. "Design of Dual Three-phase Permanent-magnet Assisted Synchronous Reluctance Motor Drives." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/c6rgtk.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>106<br>This thesis presents the design of dual three-phase permanent-magnet assisted synchronus reluctance motor (PMASRM) drives. Two three-phase inverters are both controlled by one digital signal processor, TMS320F28069. Linear hall-effect and current sensors are used to feed back rotor position, speed and motor currents. The maximum torque per ampere as well as speed and current closed-loop controls are proposed to set the quadrature- and direct-axis currents to promote system performance. In addition, the post-fault control is conducted by determining and disconn

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49

Huang, Ko-Hsien, and 黃科憲. "Efficiency Improvement of Permanent-Magnet Synchronous Motors." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/89769347439238327930.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>90<br>This thesis is concerned with efficiency improvement of permanent-magnet synchronous motors. The optimal armature current vector is proposed to reduce copper and iron losses. In order to decrease q-d axis current ripple, a compensator is designed to correct controller parameters. Furthermore, a minimal input power tracing technique, which is insensitive to motor parameters, is proposed to increase the stability of the system. A digital control system for 150kW ac permanent-magnet synchronous motor is realized with digital signal processor (DSP TMS320

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50

Huang, Ing-Feng, and 黃英峰. "NONLINEAR CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTORS." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/50219865012763528167.

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