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Dissertations / Theses on the topic 'Interior permanent-magnet machine'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Lovelace, Edward Carl Francis. "Optimization of a magnetically saturable interior permanent-magnet synchronous machine drive." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9085.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.<br>Includes bibliographical references (p. 258-263).<br>Interior permanent magnet (IPM) synchronous machines are attractive because they can achieve constant-power operation over a wide speed range with limited magnet strength requirements and reduced power electronics cost. These characteristics provide the IPM machine with advantages over alternative machine types in applications such as spindle and traction drives. An important challenge for high-performance IPM machine design

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2

Aorith, Hawa. "Efficiency optimised control of interior permanent magnet machine drives in electric vehicle applications." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/8161/.

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The thesis focuses on the losses minimisation of an interior permanent magnet synchronous machine (IPMSM) drive in electric vehicle applications. As drive losses are a combination of the IPMSM losses and the inverter losses, this thesis is mainly divided into two parts: the first part deals with minimising the copper and iron losses of the IPMSM with due account of machine parameters variations and the voltage drop across the stator winding resistance. A new losses minimisation algorithm (LMA) which considers these issues is presented in this research. A comprehensive off-line simulation study

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3

Xia, Bing. "Investigation of novel multi-layer spoke-type ferrite interior permanent magnet machines." Thesis, Cranfield University, 2017. http://dspace.lib.cranfield.ac.uk/handle/1826/12320.

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The permanent magnet synchronous machines have been attracting more and more attention due to the advantages of high torque density, outstanding efficiency and maturing technologies. Under the urges of mandatory energy efficiency requirements, they are considered as the most potential candidates to replace the comparatively low-efficient induction machines which dominate the industrial market. However, most of the high performance permanent magnet machines are based on high cost rare-earth materials. Thus, there will be huge demands for low-cost high-performance permanent magnet machines. Ferr

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4

Prins, Michiel Hendrik Albertus. "Design of a field-intensified interior permanent magnet synchronous machine for electric vehicle application." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86242.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The focus of this thesis is on the optimal design and evaluation of FI-PM machines to be used with a MG transmission drive-train for EV application. The machines presented are optimised using a gradient-based optimisation algorithm of the VisualDoc software together with FE software and Python scripts. Each machine is optimised for its own objective function. The focus is to reduce expensive rare earth material. High torque ripple issues of the optimised machines are solved by implementing a relatively new topology wher

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5

Sun, Tianfu. "Efficiency optimised control of Interior Permanent Magnet Synchronous Machine (IPMSM) drives for electric vehicle tractions." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/13610/.

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6

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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7

AHMADI, DARMANI MOSTAFA. "Multiphysics Design of Interior Permanent Magnet Machines and Characterization of Innovative Hard Magnetic Material." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2971120.

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8

Carraro, Enrico. "Analysis and design procedures of permanent magnet machines for hybrid electric vehicles and rail-traction applications." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3421927.

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The interest for Permanent Magnet (PM) synchronous machines has increased in the recent years. This is mainly due to important developments in the field of the electrical machine design, control systems and PM technology. These factors enable the possibility of designing electrical machines with a high torque density, power density, efficiency, low cost with wide degrees of freedom. Such requirements are highly sought in the automotive field, especially following the increasingly stringent energy efficiency and air pollution emissions policies. These conditions are pushing forward the transiti

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9

Constantin, Radu Stefan. "Comparative study of surface permanent magnet and interior permanent magnet machines for direct drive wind power application." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19800/.

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10

Kalyan, Mohamedreza. "Comparison of interior permanent magnet synchronous machines for a high-speed application." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29442.

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Permanent Magnet machines have been increasingly used in high-speed applications due to the advantages they offer such as higher efficiency, output torque and, output power. This dissertation discusses the electrical and magnetic design of permanent magnet machines and the design and analysis of two 10 kW, 30000 rpm Interior Permanent Magnet (IPM) machines. This dissertation consists of two parts: the first part discusses high-speed machine topologies, and in particular the permanent magnet machine. Trends, advantages, disadvantages, recent developments, etc. are discussed and conclusions are

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11

Barcaro, Massimo. "Design and Analysis of Interior Permanent Magnet Synchronous Machines for Electric Vehicles." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427484.

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The adoption of permanent magnet (PM) on rotating electrical machines represents now a fashionable design option in all elds as transportation, industrial processing, power plants, domestic appliances, actuators and so on. The corresponding power ratings of such machines ranges now from fractions of Watts to some million of Watts, as in a wind generator. Actually, among the electrical machines, the PM synchronous machine is the more deeply studied from academia and industry. In particular, the PM synchronous machine combines several advantages as high effciency, high power factor, high torq

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12

Koc, Mikail. "Efficiency optimised control of interior mounted permanent magnet machines for electric vehicle traction." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/15880/.

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Electric vehicles (EV) are playing a momentous role to the wide society as they facilitate the use of clean energy technologies. Interior mounted permanent magnet (IPM) synchronous machines are commonly employed in EVs owing to their superior characteristics such as high efficiency and power density and a wide field weakening operating range. High efficiency motor operation extends EVs drive range with the same amount of energy. Advanced control techniques to achieve high efficiency operation and smooth output torque production are, therefore, highly important areas to be researched. This thes

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13

NEVOLOSO, Claudio. "Enhanced mathematical modelling of interior permanent magnet synchronous machines for loss minimization control." Doctoral thesis, Università degli Studi di Palermo, 2020. http://hdl.handle.net/10447/395194.

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Energy management is a fundamental facility for humanity. At present, the awareness that renewable energy cannot satisfy the entire energy needs of the community and that traditional energy sources have a limited duration makes it imperative to address the problem of their careful and responsible use. Therefore, the need for an intelligent and functional use of energy has led the technical-scientific community to concentrate its efforts on the issues of sustainable development and energy savings. The electric drives industrial sector has suffered this influence in a visceral way. This sector p

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14

Ge, Xiao. "Investigation of interior permanent magnet machines and variable reluctance resolvers accounting for manufacturing issues." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/12393/.

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15

Lin, Ruiyang. "A Design Paradigm for V-shape Interior Permanent-magnet Machines Using Multi-objective Optimization." Thesis, Purdue University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10272940.

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<p> Interior Permanent-magnet Machines (IPMs) have seen wide usage in industry due to their robustness, high efficiency, and low manufacturing cost. Among various IPM topologies, V-shape IPMs have been claimed to exhibit higher power densities. However, designing an IPM has been a challenging task due to the complexity of the rotor structure and magnetic saturation. The objective of this work is to set forth a rigorous design paradigm for V-shape IPMs based on multi-objective optimization. The proposed approach aims to address the multi-disciplinary nature of the design process by incorporatin

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16

Azar, Ziad. "Electromagnetic performance of fractional slot interior permanent magnet and synchronous reluctance brushless AC machines having non-overlapping concentrated windings." Thesis, University of Sheffield, 2012. http://etheses.whiterose.ac.uk/2839/.

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This thesis investigates the electromagnetic performance of the fractional-slot interior permanent magnet (IPM) and salient-pole synchronous reluctance (SynR) brushless AC machines having non-overlapping concentrated windings, the SynR machines being excited by bipolar AC sinusoidal currents with and without DC bias. The analyses are validated by finite element calculations and measurements. The PM machines with modular stators are often employed to improve the electromagnetic performance and ease the manufacture process, particularly stator winding. The influence of uniform and non-uniform ad

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17

Goksu, Omer. "Shaft Transducerless Vector Control Of The Interior Permanent Magnet Motor With Speed And Position Estimation Using High Frequency Signal Injection And Flux Observer Methods." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609617/index.pdf.

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In this thesis, shaft transducerless vector control of Interior Permanent Magnet (IPM) motor with speed and position estimation using saliency based high frequency signal injection and fundamental model based flux observer methods will be investigated. The magnetic saliency characteristic of a 2.2-kW IPM motor will be experimentally extracted by means of high frequency signal injection. High frequency signal injection method will be used to estimate the speed and position at zero and low speed based on the magnetic saliency of the IPM motor. At high speed, fundamental model based flux observer

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18

Bacco, Giacomo. "Advanced Design and Optimization of Anisotropic Synchronous Machines." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3423172.

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This work covers many research aspects of anisotropic synchronous motors, which are synchronous reluctance (SyR), permanent magnet assisted synchronous reluctance (PMaSyR) and interior permanent magnet (IPM) machines. In fact, all these kinds of machines exhibit quite a strong reluctance torque component, hence the name anisotropic. From the early 2000s, the design of electric machines started to deeply rely on finite element analysis (FEA) coupled to automatic optimization algorithms. This workflow enabled the machine designer to make fewer initial sizing hypotheses and to explore a wider de

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19

Dutta, Rukmi Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "A segmented interior permanent magnet synchronous machine with wide field-weakening range." 2007. http://handle.unsw.edu.au/1959.4/40878.

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Many high performance drive applications require wide Constant Power Speed Range (CPSR) for efficient use of energy. The examples of such applications are the starter alternator system of automobiles proposed for the 42V PowerNet, traction in the hybrid/electric vehicle, wind power generator etc. The Permanent Magnet (PM) machine is the natural choice of such niche applications because of their higher efficiency and compact size. However, the Surface Permanent Magnet (SPM) machine with sine distributed winding and radially-laminated Interior Permanent Magnet (IPM) machine with conventional str

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20

Pai, Tsung-En, and 白宗恩. "Comparisons between improved MTPA, MTPV and DTC for Interior Permanent Magnet Machine." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/tp2dv9.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>107<br>This thesis proposes an on-line inductance estimation for interior permanent magnet synchronous motor (IPMSM) to maximize the torque output performance. On the basis, high frequency voltage injection is developed for on-line inductance estimation to improve the maximum torque per ampere (MTPA) control and the maximum torque per volt (MTPV) control performance. It is shown that the torque output is increased during the full load operation in an IPMSM under the flux saturation. Comparing to model-based inductance estimation, the proposed injection based inducta

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21

CHANG, LIN CHUN, and 林俊昌. "Design, Analysis and Measurement of Interior Permanent-Magnet Synchronous Machines." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/13902414066731816578.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>92<br>Abstract This thesis presents the design, analysis, and measurement of an interior permanent-magnet synchronous machine. The two-dimension finite-element field analysis program FLUX2D is employed to verify the accuracy of the magnetic circuit model and refine the prototype design. In this machine, the mathematical model is derived and then referred to synchronous frame in order to estimate the parameters. An interior permanent-magnet synchronous machine with eight-pole of rotor and nine-slot of stator is used as an example. The performance

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22

Lee, Jae Suk. "Deadbeat Direct Torque & Flux Control for interior permanent magnet synchronous machines." 2009. http://catalog.hathitrust.org/api/volumes/oclc/501327761.html.

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23

Chi-Hsun, Lo, and 羅濟勳. "Design and Implementation of a Sensorless Interior Permanent Magnet Synchronous Motor Drive System for Washing Machines." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/02014338844391236373.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>97<br>The thesis investigates the design and implementation of a rotor position/speed estimator and a nonlinear controller for an interior permanent magnet synchronous motor drive system. The implemented system is applied in a washing machine. First, the structure, characteristics and mathematical model of the interior permanent magnet synchronous motor are discussed. Next, a rotor position/speed estimator is proposed. This estimator is simple and unrelated to the mechanical parameters of the motor. After that, a nonlinear controller is designed for the speed control

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