Additional Cogging Torque Components in Permanent-Magnet Motors Due to Manufacturing Imperfections

被引：118

作者：

Gasparin, Lovrenc ^{[1
]}

Cernigoj, Andrej ^{[1
]}

Markic, Stojan ^{[1
]}

Fiser, Rastko ^{[2
]}

机构：

[1] Iskra Avtoelekt DD, Sempeter Pri Gorici 5290, Slovenia

[2] Univ Ljubljana, Fac Elect Engn, Ljubljana 1000, Slovenia

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 03期

关键词：

Cogging torque; magnetic analysis; manufacturing issues; permanent-magnet machines; BRUSHLESS DC MOTOR; DESIGN;

D O I：

10.1109/TMAG.2009.2012561

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents issues for reducing cogging torque of permanent-magnet motors. When proper methods are employed, it is theoretically possible to minimize its level or even to eliminate it. FFT analyses of cogging torque in mass-produced motors have shown additional harmonic components, which are in tight correlation with assembly tolerances and/or permanent-magnet imperfections. Finite element method has been used to study the sensitivity of different motor models relative to manufacturing tolerances and to determine rules for detecting imperfections in mass-production.

引用

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页码：1210 / 1213

页数：4

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