开关磁阻电机结构性转矩脉动抑制方法

doi:10.3901/JME.2020.20.106

机械工程学报 ›› 2020, Vol. 56 ›› Issue (20): 106-119.doi: 10.3901/JME.2020.20.106

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开关磁阻电机结构性转矩脉动抑制方法

陈吉清^1,2, 冼浩岚^1,2, 兰凤崇^1,2, 梁乔丹^1,2

1. 华南理工大学机械与汽车工程学院广州 510640;
2. 华南理工大学广东省汽车工程重点实验室广州 510640

收稿日期:2019-11-29 修回日期:2020-08-11 出版日期:2020-10-20 发布日期:2020-12-18
作者简介:陈吉清,女,1966年出生,教授,博士研究生导师。主要研究方向为现代汽车设计方法。E-mail:chjq@scut.edu.cn;兰凤崇(通信作者),男,1959年出生,教授,博士研究生导师。主要研究方向为汽车结构与安全理论及相关技术。E-mail:fclan@scut.edu.cn
基金资助:
国家重点研发计划(2018YFB0104100)、广东省科技计划(2015B10137002)和广东省自然科学基金(2018A030313727)资助项目。

Structural Torque Ripple Suppression Method of Switched Reluctance Motor

CHEN Jiqing^1,2, XIAN Haolan^1,2, LAN Fengchong^1,2, LIANG Qiaodan^1,2

1. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640;
2. Guangdong Provincial Automobile Engineering Key Laboratory, South China University of Technology, Guangzhou 510640

Received:2019-11-29 Revised:2020-08-11 Online:2020-10-20 Published:2020-12-18

摘要/Abstract

摘要： 开关磁阻电机具有结构简单、成本低和调速范围广等优势,但其双凸极结构和控制器的开关特性,导致存在转矩脉动现象,使得抑制转矩脉动成为焦点问题。首先从开关磁阻电机的结构和运行机理出发,针对线性解析方法难以分析转矩特征的问题,建立电机有限元模型求解出转矩特征并进行样机验证试验。分析样机结构参数对转矩脉动的影响,针对结构参数耦合问题,选择NSGA-Ⅱ算法在参数优化平台上对样机结构参数进行多目标寻优,在保证优化后样机的转矩脉动系数和平均转矩均优于初始电机的条件下,最终获得样机最优化结果。结果表明,不同结构参数对电机转矩的影响有较大的差异,对结构参数的优化能有效地抑制转矩脉动,该参数优化方法可以为开关磁阻电机结构性转矩脉动抑制提供参考。

关键词: 开关磁阻电机, 转矩脉动抑制, 结构参数化, 有限元分析, 多目标优化

Abstract: Switched reluctance motor has the advantages of simple structure, low cost and wide range of speed regulation, but its double salient pole structure and the switching characteristics of the controller lead to the existence of torque ripple phenomenon, which makes the suppression of torque ripple become a focus problem. Firstly, starting from the structure and operation mechanism of switched reluctance motor, aiming at the problem that the linear analytical method is difficult to analyze the torque characteristics, the finite element model of the motor is established to solve the torque characteristics and the prototype experiment is carried out to verify. The influence of the prototype structure parameters of torque ripple is analyzed, according to structural parameters of the coupling problem, the NSGA-Ⅱ algorithm is selected in parameter optimization platform for multi-objective optimization of prototype structure parameters, under the condition that the torque ripple coefficient and average torque of the optimized prototype are better than that of the original motor, the optimization result of the prototype is finally obtained. The results show that the influence of different structural parameters on the torque of the motor is quite different, and the optimization of structural parameters can effectively suppress the torque ripple. This parameter optimization method can provide reference for structural torque ripple suppression of switched reluctance motors.

Key words: switched reluctance motor, torque ripple suppression, structural parameterization, finite element analysis, multi-objective optimization

中图分类号:

TH39

陈吉清, 冼浩岚, 兰凤崇, 梁乔丹. 开关磁阻电机结构性转矩脉动抑制方法[J]. 机械工程学报, 2020, 56(20): 106-119.

CHEN Jiqing, XIAN Haolan, LAN Fengchong, LIANG Qiaodan. Structural Torque Ripple Suppression Method of Switched Reluctance Motor[J]. Journal of Mechanical Engineering, 2020, 56(20): 106-119.

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开关磁阻电机结构性转矩脉动抑制方法

Structural Torque Ripple Suppression Method of Switched Reluctance Motor

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