Improvement of Cogging Thrust in Permanent‐Magnet‐Type Linear Synchronous Motors

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2013 English Publisher:WileyJournal:Electrical Engineering in Japan, volume 191, pages 50-58 (issn: 0424-7760, eissn: 1520-6416,

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Authors: Miyamoto, Yasuhiro; Tanabe, Masahiko; Higuchi, Tsuyoshi; Abe, Takashi;

doi: 10.1002/eej.22670 , 10.1541/ieejias.133.1040

Improvement of Cogging Thrust in Permanent‐Magnet‐Type Linear Synchronous Motors

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Abstract

SUMMARYThis paper presents a method for reducing cogging thrust in permanent‐magnet‐type linear synchronous motors. A phase shift method and supplement tooth method are proposed. The methods do not affect the original thrust performance of the linear motor, nor do they greatly modify its basic shape. The methods are confirmed through experiments and FEM analysis. This paper also discusses the effect of construction errors on cogging thrust.

Related Organizations

Nagasaki University
Japan
Nagasaki University
Japan

Keywords

FEM, linear motor, concentrated winding, 有限要素法磁界解析, 集中巻, cogging, 永久磁石, 分割コア, コギング, permanent magnet, リニアモータ, separated core

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