单相无刷直流圆筒直线电动机及其起动推力研究

微特电机 ›› 2023, Vol. 51 ›› Issue (6): 1-7.

• 理论研究 • 下一篇

单相无刷直流圆筒直线电动机及其起动推力研究

王全¹, 陆英², 王文婷¹, 吴立建¹, 方攸同¹

1.浙江大学电气工程学院,杭州 310027;
2.中国电子科技集团公司第二十一研究所,上海 200233

收稿日期:2023-03-24 出版日期:2023-06-28 发布日期:2023-06-27
作者简介:王全(1997—),男,硕士研究生,研究方向为永磁电机电磁设计。王文婷(1997—),女,博士研究生,研究方向为永磁电机电磁设计。吴立建(1977—),男,教授,博士生导师,研究方向为电机设计及控制,新型永磁电机优化设计及驱动。
基金资助:
国家杰出青年科学基金项目(52225703)

Research on Single-Phase Brushless DC Tubular Linear Motor and Its Starting Force

WANG Quan¹, LU Ying², WANG Wenting¹, WU Lijian¹, FANG Youtong¹

1. College of Electrical Engineering, Zhejiang University,Hangzhou 310027, China;
2. No.21 Research Institute of CETC,Shanghai 200233, China

Received:2023-03-24 Online:2023-06-28 Published:2023-06-27

摘要/Abstract

摘要： 提出了一种单相无刷直流圆筒型直线电动机(SPBLDC-TLM),利用有限元方法对其电磁性能进行了分析。与三相无刷直流圆筒型直线电机对比,SPBLDC-TLM具有推力峰值大、结构简单以及成本低等优点。针对SPBLDC-TLM起动推力为零的问题,提出了斜齿和高低齿两种非对称齿结构,对比分析了两种齿结构不对称度对起动推力以及推力峰值的影响规律,为SPBLDC-TLM的起动性能优化提供了参考。结果表明,斜齿结构不对称度对起动推力影响较小,而高低齿不对称度的增大可以显著增加起动推力。采用有限元法和MATLAB软件,验证了两种非对称齿结构的有效性。

关键词: 单相无刷直流直线电动机, 起动推力, 圆筒型直线电机, 永磁电机

Abstract: A novel single-phase brushless DC tubular linear motor (SPBLDC-TLM) was proposed, its electromagnetic performance using finite element method was analyzed. Compared with three-phase brushless DC TLM, SPBLDC-TLM has the advantages of higher thrust peak, simpler structure and lower cost. In order to address the issue of zero starting force in SPBLDC-TLM, two asymmetric teeth structures were further proposed. One was oblique teeth and the other was alternate high and low teeth. The influence of the degree of asymmetry on starting force and thrust peak was analyzed and compared, which provided a guidance on the optimization of starting performance of SPBLDC-TLM. Results showed that the degree of asymmetry of the oblique teeth structure had a small impact on the starting force, while it could significantly increase the starting force when the alternate high and low teeth structure was applied. The finite element method and MATLAB software were used to verify the effectiveness of twoasymmetric teeth structures.

Key words: single-phase brushless DC(SPBLDC) linear motor, starting force, tubular linear motor(TLM), permanent magnet motor

中图分类号:

王全, 陆英, 王文婷, 吴立建, 方攸同. 单相无刷直流圆筒直线电动机及其起动推力研究[J]. 微特电机, 2023, 51(6): 1-7.

WANG Quan, LU Ying, WANG Wenting, WU Lijian, FANG Youtong. Research on Single-Phase Brushless DC Tubular Linear Motor and Its Starting Force[J]. Small & Special Electrical Machines, 2023, 51(6): 1-7.

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单相无刷直流圆筒直线电动机及其起动推力研究

Research on Single-Phase Brushless DC Tubular Linear Motor and Its Starting Force

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