分段错极排列的PMLSM磁阻力研究

doi:1004-7018-46-2-19-22

微特电机 ›› 2018, Vol. 46 ›› Issue (2): 19-22.doi: 1004-7018-46-2-19-22

分段错极排列的PMLSM磁阻力研究

王明杰,武洁,邱洪波,杨存祥,田高伟

郑州轻工业学院,郑州 450002

收稿日期:2017-04-10 出版日期:2018-02-28 发布日期:2018-02-28
作者简介:王明杰(1982-),男,博士研究生,研究方向直线电机理论及控制。
基金资助:
国家自然科学基金项目(51507156);郑州轻工业学院博士科研基金项目(2016BSJJ005)

Analysis of Detent Force for Permanent Magnet Linear Synchronous Motor Having Stepped Stator Magnets

WANG Ming-jie , WU Jie,QIU Hong-bo ,YANG Cun-xiang ,TIAN Gao-wei

Zhengzhou University of Light Industry,Zhengzhou 450002,China

Received:2017-04-10 Online:2018-02-28 Published:2018-02-28

摘要/Abstract

摘要：

永磁直线同步电动机(PMLSM)磁阻力引起电机振动和噪声,影响电机的伺服性能。磁阻力包括端部力和齿槽力两个分量。为抑制电机端部力,根据优化动子长度原理,采用优化电机端齿宽度的方法,确定最小端部力时的端齿宽度尺寸。为抑制电机齿槽力,采用分段错极排列方法,使电机有限元建模时各分段场量计算仍为二维场,研究磁极偏移距离、分段数与电机磁阻力及其谐波次数之间的关系。有限元分析结果表明,分段错极排列后较好地削弱电机的磁阻力。

关键词: 永磁直线同步电动机, 分段错极排列, 磁阻力, 端部力, 齿槽力

Abstract:

The detent force of permanent magnet linear synchronous motor(PMLSM) can generate mechanical vibrations and noise, and affects its performance. The detent force was composed of the slot force and the end force. In order to reduce the end force, the end tooth width was determined to acquire the minimum detent force by optimizing the mover length. In order to reduce the slot force, the stepped stator magnets method was adopted by step skewing magnets, so that the field quantity of different magnets segmentation by finite element method(FEM) model was also 2D analysis. The relationship between the magnets offset distance, segmentation, detent force and harmonic order were studied. By using the FEM, the results show that the stepped stator magnets techniques can reduce the detent force significantly.

Key words: permanent magnet linear synchronous motor (PMLSM), stepped stator magnets, detent force, end force, slot force

中图分类号:

TM464

王明杰, 武洁, 邱洪波, 杨存祥, 田高伟. 分段错极排列的PMLSM磁阻力研究[J]. 微特电机, 2018, 46(2): 19-22.

WANG Ming-jie , WU Jie, QIU Hong-bo , YANG Cun-xiang , TIAN Gao-wei . Analysis of Detent Force for Permanent Magnet Linear Synchronous Motor Having Stepped Stator Magnets[J]. Small & Special Electrical Machines, 2018, 46(2): 19-22.

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分段错极排列的PMLSM磁阻力研究

Analysis of Detent Force for Permanent Magnet Linear Synchronous Motor Having Stepped Stator Magnets

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