A New Method for Reduction of Detent Force in Permanent Magnet Flux-Switching Linear Motors

被引：106
|
作者：
Wang, Can-Fei [1 ]
Shen, Jian-Xin [1 ]
Wang, Yu [1 ]
Wang, Li-Li [1 ]
Jin, Meng-Jia [1 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2009年 / 45卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Detent force; finite element method (FEM); flux-switching; linear motor; permanent magnet machine;
D O I：
10.1109/TMAG.2009.2018689
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：
The permanent magnet (PM) flux-switching linear motor, which is developed from the PM flux-switching rotary machine, possesses similar advantages such as high power density and simple structure. Furthermore, the PM flux-switching linear motor has a potential for mass production at low cost, since the expensive coils and magnets are both set on the short mover. However, the detent force which is induced by both slot-effect and end-effect deteriorates the motor performance. Some methods to reduce detent force which are effective in PM linear synchronous motors do not work in PM flux-switching linear motors, due to their special structure. This paper describes a new method to reduce the detent force by fixing assistant teeth on the mover ends. Finite element analysis shows some interesting results which will be detailed in this paper.
引用
收藏
页码：2843 / 2846
页数：4
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