Relevant bibliographies by topics / Hysteresis motor

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Academic literature on the topic 'Hysteresis motor'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Dissertations / Theses on the topic "Hysteresis motor"

1

Truong, Cang Kim 1979. "Analysis of hunting in Synchronous Hysteresis Motor." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/18011.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (leaf 86).<br>The Synchronous Hysteresis Motor has an inherent instability when it is used to drive a gyroscope wheel. The motor ideally should spin at a constant angular velocity, but it instead sporadically oscillates about synchronous speed. This phenomenon is known as 'hunting'. This problem produces current ripples at the motor's electrical terminals and induces noise on the sensors that monitor gyro activity. This thesis examines the
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2

Bayless, Jacob D. (Jacob Daniel). "A high-speed hysteresis motor spindle for machining applications." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87955.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>Cataloged from PDF version of thesis. "February 2014."<br>Includes bibliographical references (pages 43).<br>An analysis of suitable drive technologies for use in a new high-speed machining spindle was performed to determine critical research areas. The focus is on a hysteresis motor topology using a solid, inherently-balanced D2 steel shaft. An analytical model of the motor is devised in order to make performance predictions and optimization, and an experimental apparatus is constructed in orde
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3

Zhou, Lei Ph D. Massachusetts Institute of Technology. "Magnetically levitated hysteresis motor driven linear stage for in-vacuum transportation tasks." Thesis, Massachusetts Institute of Technology, 2019. https://dspace.mit.edu/handle/1721.1/122142.

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This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 241-246).<br>This thesis presents a new in-vacuum reticle transportation mechanism for extreme ultraviolet (EUV) photolithography machines. In the photolithography process, the reticle is a quartz plate that contains a pattern of the integrated circuit, which needs
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4

Chen, Hanling. "AVERAGE-VALUE MODELING OF HYSTERESIS CURRENT CONTROL IN POWER ELECTRONICS." UKnowledge, 2015. http://uknowledge.uky.edu/ece_etds/78.

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Hysteresis current control has been widely used in power electronics with the advantages of fast dynamic response under parameter, line and load variation and ensured stability. However, a main disadvantage of hysteresis current control is the uncertain and varying switching frequency which makes it difficult to form an average-value model. The changing switching frequency and unspecified switching duty cycle make conventional average-value models based on PWM control difficult to apply directly to converters that are controlled by hysteresis current control. In this work, a new method for ave
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5

Belica, Andrej. "Speciální asynchronní motory malého výkonu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242131.

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Master thesis deals with design and construction of the most widely used engines currently. Overall, it is divided into five chapters, the first chapter deals with constructional features of various three-phase asynchronous motors, the second chapter briefly paid attention to single-phase motors. The next chapter focuses on the specific engine types, which differ from standard induction motors in its design implementation. This is an engine with full rotor, hysteresis, linear and with shaded field. Although asynchronous motors are considered the most reliable machines work in imperfect conditi
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Brasão, Leandro Cândido. "Acionamento do motor de corrente contínua a ímãs permanentes sem escovas utilizando estratégia a quatro chaves." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/14497.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais<br>Permanent magnet motors possess high efficiency and can be commercially competitive. The main purpose of this paper is to describe a low cost four-switch brushless dc motor drive with compensated direct current controlled our compensated hysteresis strategy. The description of the mathematical model is used in the computational simulation models to four-switch and six-switch. These results are here compared in an experimental model of drive, where the six-switch PWM drive and hysteresis drive is compared to the four-switch hysteresis c
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7

Comsa, Adrian Florin. "Contribution à l'optimisation de la commande par hystérésis du moteur synchrone à aimants permanents." Vandoeuvre-les-Nancy, INPL, 1997. http://www.theses.fr/1997INPL053N.

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La méthode de commande par hystérésis des courants est très utilisée : simple et robuste, elle ne nécessite pas la connaissance exacte des paramètres internes de la machine. Son désavantage est une fréquence de hachage variable qui entraine des ondulations du couple. Notre travail a consiste à en améliorer les performances au moyen de deux techniques : - la méthode de l'hystérésis modulée, qui sert à imposer lors du contrôle par hystérésis des courants, la fréquence de hachage des transistors de l'onduleur, - le contrôle par hystérésis du vecteur courant statorique, désigné par ses composantes
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8

Cester, Christophe. "Étude des pertes magnétiques supplémentaires dans les machines asynchrones alimentées par onduleur à modulation de largeur d'impulsion." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0068.

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La banalisation de l'emploi d'onduleras à Modulation de Largeur d'Impulsion pour l'alimentation des machines asynchrones rend indispensable l'étude des pertes magnétiques supplémentaires qu'ils engendrent. L'influence des paramètres principaux de la MLI, fréquence de hachage et paramètre de modulation est étudiée, grâce à un banc de mesure de type cadre Epstein spécialement adapté. L'emploi d'un moteur instrumenté de 4 kW permet d'observer les formes d'ondes réellement présentes dans les différentes parties du circuit magnétique et de montrer que la déformation du signal MLI entraîne une forte
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9

Frias, Anthony. "Minimisation des pertes fer des machines électriques de traction par la modélisation et l'optimisation." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT028/document.

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Le coût, l'autonomie et la durée de vie sont les principaux aspects qui freine le public dans l'achat d'une voiture électrique. Tous ces aspects sont liés à la batterie qui ne permet de stocker qu'une quantité limitée d'énergie. Dans ces conditions, il est indispensable de maîtriser les pertes d'énergie de la chaîne de traction. La machine électrique étant le principal consommateur d'énergie, elle joue un rôle important dans l'efficacité énergétique globale. Dans ce contexte, comment réduire les pertes de la machine électrique pour la rendre plus efficace ? Pour répondre à cette question, l'ob
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10

White, Terence H. "A three-phase hybrid dc-ac inverter system utilizing hysteresis control." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FWhite%5FTerence.pdf.

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