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Dissertations / Theses on the topic 'Axial flux motor'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Shiwakoti, Rochak. "Design and Analysis of Modular Axial Flux Switched Reluctance Motor." ScholarWorks@UNO, 2019. https://scholarworks.uno.edu/td/2680.

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This thesis presents a new modular structure of the axial flux Switched Reluctance Motor (SRM). The design consists of four stator disks with each adjacent disk rotated 30 degrees apart and four rotor disks connected to a common shaft. The proposed design aims to reduce the unwanted radial force, mitigate the torque ripple, and improve the efficiency. The modular structure distributes the radial force and torque strokes along the axial length of the motor, potentially damping the torque pulsation. In addition, the modular structure would deliver the rating power at a lower current level, reduc
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2

Yilmaz, Kurtulus. "Comparison Of Axial Flux And Radial Flux Brushless Dc Motor Topologies For Control Moment Gyroscope Wheel Applications." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610565/index.pdf.

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In this thesis axial flux and radial flux brushless dc motors will be studied as a drive motor for the control of moment gyroscope wheel. Design equations for axial flux and radial flux brushless dc motor topologies will be reviewed. Based on these equations radial and axial flux motors with different number of poles will be designed that meet control moment gyroscope wheel application requirements. The results will be evaluated in terms of efficiency, torque/mass and torque/volume, and suitability for the control moment gyroscope application.
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3

Buøy, John Ola. "Development of high efficiency Axial Flux Motor for Shell Eco-marathon." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23648.

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In 2011 Lubna Nasrin designed an optimized in-wheel axial flux motor for the competition Shell Eco-Marathon. A motor was built for the 2012 competition by Fredrik V. Endresen. Testing of this motor showed however that the performance was nothing like the one anticipated by Nasrin?s. The conclusion was that the production methods were not good enough and this was the main reason for the poor result.A new motor was built for use in the 2013 competition. Several design improvements over the old motor which was built in 2010 has been made. Litz wire is used in the stator and Halbach array permanen
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4

Mularcik, Bradley S. "Virtual Moving Air Gap for the Speed Range Improvement of a Dual Stator Axial Flux Motor." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1340404856.

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5

Lacina, David. "Malý axiální motor pro čerpadlo." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-318186.

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This thesis aims to design a motor with axial magnetic flux, which could be used as a direct propeller of heart replacement pump. It is divided into several parts, first of which deals with describing possible axial motors construction design. Next follows up the description of possible motor designs, from which the non-ferrous one was chosen. After that, an analytic calculation of motor’s properties is conducted. Calculated parameters are thereafter verified by software tools using finite element method. Finally, the whole motor was manufactured and had its parameters tested and verified.
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6

Thelin, Peter. "Design and Evaluation of a Compact 15 kW PM Integral Motor." Doctoral thesis, KTH, Electrical Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3322.

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<p>This thesis deals with the integral motor of tomorrow, and particularly with a variable speed, sensorless permanent magnet synchronous motor with an integrated converter. The rated power is 15 kW at 1500 r/min. The outer dimensions are approximately the same as for the equivalent standard induction motor.</p><p>Control strategies for pumps and fans, i.e. suitable loads for variable speed motors, are briefly described. The huge energy savings that can be made by reducing the speed instead of throttling/choking the flow are pointed out. Compared to installing an induction motor with a separat
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7

Huzlík, Rostislav. "Motor-generátor pro vírovou turbínu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-233693.

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The aim of this doctoral thesis is to design a motor-generator for swirl turbine. Swirl turbine is a relatively new type of turbine developed at the Department of Fluid Engineering Viktor Kaplan Energy Institute FME BUT. Swirl turbine is designed for use on small head, where the classical types of turbines either poor efficacy or are economically disadvantaged. As suitable construction for the motor-generator was selected synchronous machine with permanent magnets and with axial magnetic flow with coreless stator. As part of the work is carried out calculating the properties of turbines for de
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8

Endresen, Fredrik Vihovde. "Electric Motor Development for Shell Eco-Marathon : Manufacturing an ironless axial flux permanent magnet Motor with Hallbach array and Development of existing Motor for the Shell Eco-Marathon Competition." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19021.

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This thesis describes the process of making a new engine for the car DNV Fuel Fighter 2 that participated in the Shell Eco-Marathon Europe 2012 in Rotterdam. The decision was made to construct a new engine based on an optimized design by Lubna Nasrin. The engine is an ironless axial flux permanent magnet machine with Hallbach array. As a contingency plan there was the possibility to modify the engine used in 2010 and 2011 built by Andr&#233; Dahl-Jacobsen. The result of the process is that the new engine is operational and it has displayed an efficiency of 68 %. However the old engine has disp
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9

Taha, Hoda. "Cοnceptiοn de moteurs à aimants permanents à flux axial ou radial à haute vitesse pour l'entraînement d". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMLH25.

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Cette thèse se concentre sur la conception de moteurs à aimants permanents à haute vitesse et faible puissance, spécifiquement destinés à l'entraînement d'un compresseur contrarotatif. L'objectif principal est de garantir une intégration directe et compacte du moteur, tant en termes de longueur que de volume, dans les roues du compresseur. Pour répondre à ces exigences, plusieurs topologies de moteurs à flux axial, à flux radial, ainsi qu'une structure novatrice à entrefer conique, ont été modélisées et évaluées. Ces évaluations incluent une analyse approfondie des performances électromagnétiq
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10

Husain, Tausif. "DESIGN, ANALYSIS AND IMPLEMENTATION OF A NOVEL DOUBLE SIDED E-CORETRANSVERSE FLUX MACHINE WITH AXIAL AIRGAP." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1500561964286682.

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11

Dumas, Florian. "Contribution à l'étude des machines polyentrefers à aimants permanents et à entrefer réduit.Applications aux machines à flux axial à hautes performances sous contrainte d'encombrement." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20151.

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Cette thèse porte sur l'étude de machines polyentrefers et leurs limitations, dans le contexte d'avion plus électrique et du projet de déplacement des avions au sol. Ces moteurs, basés sur l'utilisation de plusieurs éléments mobiles et fixes mis en parallèle, permettent d'obtenir de hautes performances. Une étude sur les tolérances des dimensions des éléments actifs montre que les performances peuvent être dégradées si des précautions lors de la réalisation ne sont pas prises et si les entrefers utilisés ne sont pas faibles. Ce manuscrit présente un système totalement innovant permettant d'uti
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12

Vallicelli, Matteo. "Miglioramento strutturale di un motoruota mediante ibridazione del materiale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24347/.

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Il seguente elaborato ha come scopo l'ottimizzazione strutturale tramite ibridizzazione del materiale di un motoruota innovativo impiegato nella vettura solare Emilia 4. La tesi si propone di fornire, innanzitutto, una panoramica sull'utilizzo combinato di materiali differenti in uno stesso componente, per poi entrare nell'ambito delle vetture elettriche dotate di motoruota in alternativa ai motori e sistemi di trasmissione tradizionali. Da qui l'analisi dell'effetto sul comfort di guida dovuto ad un aumento delle masse non sospese del veicolo a causa dell'introduzione di motori integrati
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13

Odvářka, Erik. "Motor-generátor s axiálním tokem pro hybridní autobus." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-233508.

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Tato dizertační práce se zabývá návrhem původního motor-generátoru s axiálním tokem a buzením permanetními magnety, zkonstruovaným specificky pro hybridní elektrický autobus. Návrhové zadání pro tento stroj přineslo požadavky, které vedly k této unikátní topologii tak, aby byl dosažen výkon, účinnost a rozměry stroje. Tato partikulární topologie motor-generátoru s axiálním tokem je výsledkem literární rešerše, kterou následoval výběr koncepce stroje s představeným návrhem jako výsledkem těchto procesů. Přístup k návrhu stroje s axiálním tokem sledoval „multi-fyzikální“ koncepci, která pracuje
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14

Knap, Zdeněk. "Motor s axiálním magnetickým tokem pro přímý pohon čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221187.

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This thesis is related to axial flux permanent magnet machines. The first part is describes the basic information about this type of machines. Main part is focused on design of the machine. For the purpose of the preliminary design there is mathematical model of the basic machine. This model is followed by finite elements analysis for the further evaluations and validation of the mathematical design. The last part is evaluating the loses of the machine ant its virtual efficiency.
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15

Kremer, Mickaël. "Electromagnetic design of a disc rotor electric machine as integrated motor-generator for hybrid vehicles." Thesis, Mulhouse, 2016. http://www.theses.fr/2016MULH8792/document.

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Cette thèse présente le dimensionnement d’une machine électrique à rotor disque pour la traction de véhicules hybrides. Un état de l’art complet sur les machines électriques à rotor disque permet de montrer que la machine à flux axial à rotor central est la plus adaptée. Différentes géométries du circuit magnétique sont successivement étudiées et comparées par simulations par éléments finis. Pour maximiser le rendement de la machine, les pertes d’origine électromagnétique sont étudiées. Un modèle analytique des pertes par effet de peau dans les conducteurs de cuivre est proposé et validé par é
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16

Belhadi, M'hamed. "Étude de machines à réluctance variable pour une application de traction électrique : réduction des ondulations de couple et des efforts radiaux." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112185.

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Le mémoire traite de la machine à réluctance variable en proposant d'une manière simultanée et du point de vue conception des solutions à ses deux inconvénients majeurs à savoir les ondulations de couple et les efforts radiaux. Les premières se propagent le long de la chaine de transmission diminuant ainsi le confort des usagers et les deuxièmes sont à l’origine d’une nuisance sonore. Dans une première partie et en s’intéressant à une structure axiale caractérisée par une faible force radiale, un bilan sur cette structure est donc établi. En effet, une configuration à deux stators et un rotor
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17

Pruša, Radomír. "Pohon pro bezucpávkové čerpadlo." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377021.

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The aim of this thesis is to design a drive for seal-less centrifugal pump. Designed motor with axial magnetic flux is a double-sided structure with an internal coreless stator. The construction of the seal-less pump is based on a patent no. 17818, which was created at the Victor Kaplan Department of Fluid Engineering BUT. Potential use of this assembly is mainly in the food industry, possibly in the field of chemically aggressive liquids. The whole design is based on coordination between analytical equations and finite element method of the software ANSYS Maxwell. The temperature ratios insid
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18

Linder, Johan. "An integrated brake disc and electric drive for vehicle propulsion : A FEASIBILITY STUDY." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187652.

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In this thesis, the feasibility to integrate an brake disc and electric machine is investigated. In wheel motors (IWMs) have several advantages, such as saving space in the vehicle, individual and direct control at the wheels and the absence of a mechanical transmission. However, today’s IWMs are heavy and, thus, negatively affect the driving performance of the vehicle due to the increase of the unsprung mass. By integrating an already existing part in the wheel, this increase of the unsprung mass can be minimized. The brake disc manages high temperatures, a significant wear in rough environ-me
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19

Kokko, V. (Voitto). "Condition monitoring of squirrel-cage motors by axial magnetic flux measurements." Doctoral thesis, University of Oulu, 2003. http://urn.fi/urn:isbn:9514269381.

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Abstract The aim of this research work is to develop a tool for condition monitoring of squirrel-cage motors using axial magnetic flux measurements, and to design a diagnostics system for electrical motors. The basic theory of the measurements and systems was found through literature reviews and was further developed from the experimental results of this research work. Fluxgate magnetometers and Hall effect sensors are not reliable enough for condition monitoring purposes, but measurements by flux coil sensors can reach adequate reliability. The useful frequency area of the flux coil sensor i
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20

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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21

Scowby, Seath. "Thermal management of an axial flux permanent magnet machine considering heat pipes." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53676.

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Thesis (MScEng) -- Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: Axial Flux Permanent Magnet (AFPM) machines have become attractive because of significant improvements in permanent magnets over the past decade, improvements in power electronic devices, and the ever increasing need for more efficient machines in electric vehicle systems. In comparison with the cylindrical radial flux motor, the AFPM machine is better in a number of aspects: short frame; compact construction; high efficiency; brush less construction; good starting torque and high-power density. The common modes of fai
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22

Mbidi, David Natangue. "Design and evaluation of a 300 kW double stage axial-flux permanent magnet generator." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52177.

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Thesis (MScEng)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: This thesis deals with the design and evaluation of a 300 kW double stage axial-flux permanent magnet generator with an ironless stator. The magnetic and electrical design equations are derived for sinewave and quasi-squarewave axial-flux permanent magnet machines. The thermal design approach used is also described. The machine is optimised for maximum torque per current loading. A Matlab program code is developed to do the necessary calculations in the design optimisation and the calculation of the machine parameters.
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Dolisy, Bastien. "Étude d’un moteur supraconducteur à flux axial avec une transmission magnétique supraconductrice intégrée." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0079/document.

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Nous proposons l’étude d’une machine supraconductrice à flux axial composée d’un stator bobiné en cuivre et d’un inducteur avec des solénoïdes supraconducteurs à hautes températures critiques (HTc). Ce type de machine est adapté pour des applications de fortes puissances (plusieurs MW) avec de faibles vitesses de rotation (quelques centaines de tr/min), comme la propulsion de navire. Un accouplement magnétique, intégré au moteur, est utilisé pour transmettre le couple de l’inducteur supraconducteur vers la charge à température ambiante sans contact. On peut ainsi se passer des « torques tubes
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Poskovic, Emir. "Innovative magnetic materials for the new applications in electrical machines." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3424784.

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Permanent magnets play a key role as a component in a wide range of devices utilised by many industries; they are widely used in several electromechanical applications to convert energy, including actuators, motors and sensors, home appliances, office automation equipment, speakers, aerospace, wind generators and more. Traditionally the adopted PMs were obtained from Rare Earth components, such as NdFeB, with high magnetic performance, but expensive. The research of alternative permanent magnets, in many cases has brought to choose the ferrites, mainly due to their low cost, but sometimes wit
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25

Dolisy, Bastien. "Étude d’un moteur supraconducteur à flux axial avec une transmission magnétique supraconductrice intégrée." Electronic Thesis or Diss., Université de Lorraine, 2015. http://www.theses.fr/2015LORR0079.

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Nous proposons l’étude d’une machine supraconductrice à flux axial composée d’un stator bobiné en cuivre et d’un inducteur avec des solénoïdes supraconducteurs à hautes températures critiques (HTc). Ce type de machine est adapté pour des applications de fortes puissances (plusieurs MW) avec de faibles vitesses de rotation (quelques centaines de tr/min), comme la propulsion de navire. Un accouplement magnétique, intégré au moteur, est utilisé pour transmettre le couple de l’inducteur supraconducteur vers la charge à température ambiante sans contact. On peut ainsi se passer des « torques tubes
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26

Kierstead, Harold Junior. "Design of a single-sided axial flux PM in-wheel electric vehicle machine with non-overlap stator windings." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2007.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: With the current worldwide energy problems electric vehicles are set to replace conventional combustion engine vehicles. Electric vehicles with gearless in-wheel mounted brushless permanent magnet motors provide a more flexible and efficient means of vehicle propulsion but the electric motors, particularly the non-overlap stator winding type have not been fully researched. This study focuses on the selection and design of suitable in-wheel hub drive machine. Several machine topologi
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27

Verez, Guillaume. "Contribution à l’étude des émissions vibro-acoustiques des machines électriques : cas des machines synchrones à aimants dans un contexte automobile." Thesis, Le Havre, 2014. http://www.theses.fr/2014LEHA0024/document.

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Dans un contexte automobile électrique et hybride, la part des machines synchrones à aimants permanents s'est accrue exponentiellement. Cette évolution s'accompagne d'exigences en termes d'émissions vibro-acoustiques. En termes de dimensionnement de la chaîne de traction, l'analyse multiphysique du moteur s'avère être un enjeu crucial pour son développement. La nécessité de disposer de codes informatiques de conception possédant des temps de calcul faibles pour une précision maximale se fait ressentir pour l'exploration de solutions potentiellement performantes dans les premières étapes du pro
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28

Liu, Chia-Hsi, and 劉佳熹. "Optimal Design of Axial Flux Wheel Motor." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/37661317774150218006.

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碩士<br>國立臺灣大學<br>機械工程學系研究所<br>86<br>Recently, direct-driven wheel motors have been widely applied to electric vehicles, where transmission mechanism and gearbox are not necessary, and ther efore, mechanical loss can be avoided. Axial-flux permanent magnet (AFPM) moto rs can be designed and constructed to achieve a higher torque-to-weight ratio and motor efficiency, and are suitable for wheel motor applications. This pape r presents the procedure of an optimal design of axial-flux permanent motors. First, a
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Sheng-JIe-Bai and 白勝傑. "Single Phase Axial Flux Switching Motor Design." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/94te9g.

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碩士<br>國立臺北科技大學<br>電機工程研究所<br>103<br>Flux-switching motor is a newly developed motor which became popular in recent years. Its structure is similar to switched reluctance motor, its rotor and stator are all salient structure, armature winding and field winding are wound in the stator. There are two main advantages of this: one being its simple structure makes it stable and durable. Secondly, the heat in the motor can be dissipated easily, because all of excitation source are located in the stator. This research aims to design a single-phase axial switching flux motor. Its specification is model
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Zhao, Ying-Zhi, and 趙英志. "Development of a Direct-Drive Axial Flux Wheel Motor." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/55403443847631481348.

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碩士<br>淡江大學<br>機械與機電工程學系碩士班<br>93<br>The purpose of this paper is to design a direct-drive axial flux wheel motor. The motor dimensions are determined based on the required rating. A set of magnetic circuit models are used to calculate the basic motor characteristics and the design which has the shortest axial length is selected. The static and dynamic performance of the designed motor are calculated and verified with a finite element software. A prototype motor and driver is built to verify the performance of the motor experimentally. Finally, a passive magnetic bearing is designed to reduce t
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Cheung, Cheng-Huei, and 張崢輝. "Analysis and Optimal Design of Axial Flux Wheel Motor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/80838751761000541718.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>88<br>Axial-flux permanent magnet (AFPM) motors can be designed to achieve a higher torque-to-weight ratio and motor efficiency, and are suitable for wheel motor applications. In permanent magnet reluctance motors, both magnets and electric steel are placed in the rotor. A reluctance torque component is added to total torque while there are steel in the rotor. This paper presents the procedure of an optimal design of APFM motor, including brushless dc motor and permanent magnet reluctance motors. First, a set of mathematical model is developed to describe the APFM d
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32

Tseng, Chun-Chih, and 曾群智. "Design Optimization of Axial Flux Motor by Genetic Algorithm." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/fuqygq.

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碩士<br>國立臺北科技大學<br>電機工程系<br>106<br>This thesis investigates design optimization of an axial flux permanent magnet synchronous motor. Comparing to traditional radial flux motor, axial flux motor have the advantages of higher power density, torque density and space utilization. A finite element analysis software is used for machine design and performance analysis. The specification and dimensions of the initial design model is based on a 5.0 kW axial flux machine produced by EMRAX. After the initial design, machine structure parameters such as PM width, shoe width, and core high selected as the c
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Chiang, Hung-Hsing, and 江紘興. "On the Control of an Axial Flux Permanent Magnet Motor." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/qdn8q6.

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碩士<br>國立臺北科技大學<br>電機工程系研究所<br>100<br>In order to reduce acoustic noise and vibration yielded by six-step voltage control for PMSM with digital hall-effect sensor as rotor flux-position sensor, this thesis presents a rotor magnetic flux position detection method with three linear hall- effect sensors and validates the proposed method on an AFPM motor through torque and low speed control. The linear hall-effect sensors are installed in stator to detect the rotor flux of AFPM motor. Duo to the uneven distribution of rotor flux or inaccurate installed positions of sensor by hand, the output signal
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Li, Ping-Lun, and 李秉倫. "Optimal Design of an Axial-Flux Brushless PM DC Motor." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/87744133770077666100.

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碩士<br>逢甲大學<br>電機工程所<br>95<br>The purpose of this thesis is to design a high performance axial-flux permanent magnet brushless machine (AFPM). First, an equivalent magnetic circuit model of the motor is derived by using the magnetic circuit theory and the parameters of the motor are calculated. Then, the performance of the AFPM is obtained. The finite element analysis software, Flux 3D is employed to obtain the performance of the machine. Finally, the Taguchi method is used to make robust design of AFPM and improve the performance. The optimized results provide higher electromagnetic torque and
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Chang, Che-Wei, and 張哲維. "Design and Analysis of a Hybrid Switched Reluctance Motor with Axial Flux and Radial Flux." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/89172855420294220390.

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碩士<br>國立交通大學<br>機械工程系所<br>102<br>Designing in-wheel motors for electric vehicles and hybrid electric vehicles has already attracted attention in recent years. The choice of motors for both electric vehicles and hybrids is generally determined by three factors: weight, efficiency and cost. Hence, the permanent magnet brushless motors that have the lightest weight and maximum efficiency are becoming the mainstream of electric vehicle drive systems nowadays. However, based on the cost of rare earth metals of the permanent magnet consideration in the future, reluctance motors without using rare ea
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Su, Yu-Hong, and 蘇育鴻. "Control of The Double-Sided Axial Flux Permanent Magnet Synchronous Motor." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/4b7t8s.

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碩士<br>國立臺北科技大學<br>電機工程系所<br>101<br>The main purpose of this thesis is to design the motor drive of double-sided AFPM, and analyze the differences of double-sided AFPM motor in series and parallel coil. Through increase DC-link voltage to control the series coil of double-sided AFPM motor. For the parallel coil mode, two sets of drive are used to the control. Finally, analyze the differences between series mode and parallel mode. Using high-resolution encoder can significantly improve the performance of AFPM motor’s control at low speed but the system cost will be increased. So, in this thesis
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Wei-CheTai and 戴偉哲. "The Analysis and Design of a Axial Flux Arc Shape Motor." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/03596922491747497439.

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碩士<br>國立成功大學<br>航空太空工程學系碩博士班<br>100<br>The thesis considers the analysis and design of an Axial-Flux Permanent Magnet (AFPM) motor and its application to auxiliary power system for bikes. Owing to its thin type structure and high torque characteristic, it is convenient to implement the motor on a conventional bike and is able to provide the auxiliary power for the riders when it is needed.. The main design idea of the auxiliary motor is from the structure of a linear motor. The propelling force applied to the wheel is generated through the attraction and repulsion between the magnets. The roto
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Ding, Fu-Xuan, and 丁富軒. "Optimal Design of Direct Drive Axial Flux Electric-Auxiliary Bicycle Motor." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/26114108726422767331.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>101<br>This thesis proposes a systematic process of a multi-objective optimal design of an axial-flux permanent-magnet synchronous motor (AFPMSM) for electric-auxiliary bicycles. The optimal design process uses a Quasi-3D analytical model of the magnetic field in an AFPMSM to calculate motor sizes under the same back-EMF factor target and phase resistance limit to achieve the specific motor torque-speed curve requirement. This model is derived from a one-dimensional analytical solution of the slotless air-gap flux density distribution and equivalent magnetic circuit
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Liao, Shuo-Kun, and 廖碩鯤. "Optimal Performance Control of Axial-Flux Wheel Motor for Hybrid Electric Vehicles." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/10989186351664001025.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>94<br>The objective of this research is to improve the performance of axial-flux wheel motor. We attempt to scheme out a set of control strategy to maximize the driving torque, rated speed and efficiency. This optimal performance control strategy composes of three parts. First, the driving current waveform is proven to be the same as the back EMF to produce maximum torque. Second, the series and parallel connections of motor windings constitute various gears. The low speed or accelerating operation consumes larger current while the high speed or crusing mode needs
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Lin, Shih-Chao, and 林士超. "Optimal Operational Strategy Design of a Single-sided Permanent Magnet Axial-flux Motor." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/14845994542151766625.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>92<br>This thesis presents a systematic scheme to determine the optimal propulsive/axial force ratio of a single-sided permanent magnet axial-flux motor (SPMAM) along with its operational constraints on both the winding currents and the speed induced voltages. According to the rotating magnetic field theory with combining the recoil line characteristics of permanent magnet and the equivalent operational magnetic circuits, appropriate projection of the stator currents to achieve an optimal ratio of the machine propulsive/axial forces has been confirmed through detai
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Yang, Fu-Tzuen, and 楊甫尊. "Implementation of PCB Stator Winding for Axial-Flux Motor in Electrical-Bike Application." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/22741680378464101877.

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碩士<br>國立交通大學<br>電控工程研究所<br>100<br>This thesis presents an analysis and discussion of the axial-flux motor used on electrical-bike and adopted a coreless design. Therefore, the stator winding fix by a special resin instead of traditional silicon steel. It causes the stator winding can’t be mass produced and have quality variations. In order to improve this problem, this thesis presents a design of the axial-flux motor used on electrical-bike with printed circuit board (PCB) stator winding to instead of copper wire in the same rotor flux distribution, including PCB stator winding design method,
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Zheng, Ren-Kai, and 鄭仁凱. "Integrated Design of an Axial-Flux Brushless DC Motor with a Magnetic Coupling." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/42424162456141712466.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>99<br>Integrated design of an axial flux brushless motor with a magnetic coupling is a new design concept. Traditionally, axial flux brushless motor and magnetic coupling are independently designed and manufactured. Then, they are combined appropriately to meet needed drive requirements. This kind of design strategy, however, suffers from inherent disadvantages on more complex power transmission link, transmission components easier to wear and tear, and incompact work space arrangements. This study is to Combined into one integrated device-based mechanical and ele
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Chuang, Down-Xu, and 莊璫旭. "Optimal Design of Axial-flux Permanent Magnet In-Wheel Motor for Electric Vehicle." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/31598490456063332709.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>92<br>Axial-flux permanent magnet motors have the advantages of high torque and high torque density and high efficiency. Before the design of electric vehicle, it is necessary to know the requirement of it. The requirement should be include at least the maximum torque, the maximum speed and the rated power for propulsion. The performance of the motor would set to the constraint of the optimal design. The first topic of this thesis is using energy method to establish the simplified torque equation, and the voltage equation is used to calculate the other performances
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Wei, Dou-Yan, and 魏道炎. "The Research of Driving Technology for AN Axial-flux Brushless DC wheel Motor." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/12303492727110725914.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>90<br>This thesis is proposed to discuss the optimal driving phase current waveform for an axial-flux brushless DC wheel motor. By the way of mathematical proving, numerical analysis, and experimentation, the optimal driving phase current waveform for brushless DC motor is its phase back EMF waveform was proved in this thesis. The relationship about alignment torque, phase current, and back EMF of DC brushless motor is derived by the motor torque equation. And then, expanding phase current and phase back EMF function proves that the motor has the maximum
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Tsai, Ming-Hsiao, and 蔡名曉. "Optimal Design and Implementation of an Axial-Flux Hub Motor with Control Drive." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/86936097934269001704.

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碩士<br>高苑科技大學<br>電機工程研究所<br>98<br>The main purpose of this thesis is to develop a high-performance axis-flux permanent-magnet hub-motor and its driver for using at the electronic bicycle (E-bike). First, according to the dimension and the performance specifications of the hub-motor, using the basic theorem of magnetic circuit and back EMF of winding to assign the original geometric parameters of rotor and stator of hub-motor. Then, using the JMAG electromagnetic analysis software is as the hub-motor performance analysis platform and refining the original hub-motor to match the performance speci
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Chin, Haw-Jong, and 金浩中. "Design and Implementation of an Axial Flux Permanent Magnet Motor for Light Electric Vehicle." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/azb947.

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碩士<br>國立臺北科技大學<br>電機工程系研究所<br>99<br>In recent years, the axial flux permanent magnetic motor has become the propulsion system of high-end light electric vehicles due to its high efficiency, better heat dissipation, simple transmission structure and easy cascaded connection to expend the power capacity. In this study, the specifications of the AFPM motor are determined first according to the requirements of LEV, such as power, limitations of weight and volume and installed position. Then, the flux density, output torque and efficiency are calculated to decide whether or not these parameters can
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Huang, Yuh-Shyuan, and 黃郁琁. "Design of Double-Sided Axial Flux Permanent Magnet Synchronous Motor for Light Electric Vehicle." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/mkca4r.

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碩士<br>國立臺北科技大學<br>電機工程系所<br>101<br>The purpose of this research is to design a high efficiency double-sided axial flux permanent magnet (AFPM) synchronous motor for light electric vehicle, which has two AFPM motors in serial connection. This design focuses on larger power and less cogging torque. Moreover, using the suitable winding connection as well as the driver to promote the AFPM motor’s efficiency at light load and half load, which also be extremely helpful to whole system reliability, as one of the motors is inactive. The key issues of this research are listed as followed. 1.Build a sim
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48

Wong, Wun-Siane, and 翁文賢. "Analysis and Control of a Single-side Permanentmagnet Axial-flux Motor with Aluminum Stator Core." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/c9f242.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>95<br>This thesis presents a systematic scheme to design the propulsive force and axial force control of a single-sided permanent-magnet axial-flux motor with aluminum stator core (SPAMA) through the detailed mathematical model and operational analysis. According to the rotating magnetic field theory combining with the recoil line characteristics of permanent magnet and the magnetic equivalent circuit, appropriate projection of the stator currents to achieve the propulsive force and axial force control can be realized. From these evaluations, a feasible operational
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LEE, CHI-MING, and 李吉明. "The Design of Optimal Current Waveform for An Axial-Flux Brushless Permanent-Magnet Wheel Motor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/61419050498234448538.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>88<br>Direct-driven wheel motor is one of the solutions to increase the efficiency of electric vehicles, especially, at low speed with required large torque. This paper aims to the design of the optimal current waveform for an axial-flux brushless permanent magnet motor, so that its output torque is maximized under prescribed constraints. First, the torque equation is derived by he energy method and modified according to the characteristics of the wheel motor. Second, the parameters that describe the relationship between torque and input current are introduced in
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Chuang, Hao-Cheng, and 莊皓程. "Design of Axial-Flux Sensorless Six-Phase Brushless Permanent Magnet Motor for Cogging Torque Reduction." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/58915445890858075375.

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碩士<br>國立臺灣海洋大學<br>系統工程暨造船學系<br>104<br>Permanent magnet brushless DC motors can be widely applied in drive systems of industrial and electronic products due to the advantages of high power density and high torque density. There is 46% of power consumption which resulting from the motor and other related equipment. As long as the price of rare earth material raises rapidly, the motor design with low rare earth usage and maintaining power density and output power under restricted resource become an important research issue. The thesis focuses on cogging torque reduction design of a slim axial-flu
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