永磁无刷直流电机的多目标优化研究  

Research on multi-objective optimization of permanent magnet brushless DC motor

作　　者：祁瑞 曾红[1] 张志华 Rui QI;Hong ZENG;Zhi-hua ZHANG(School of Mechanical Engineering and Automation,Liaoning University of Technology,Jinzhou 121001,China;Jinzhou Halla Electrical Equipment Co.,Ltd.,Jinzhou 121001,China)

机构地区：[1]辽宁工业大学机械工程与自动化学院,辽宁锦州121001 [2]锦州汉拿电机有限公司,辽宁锦州121001

出　　处：《机床与液压》2020年第24期161-167,共7页Machine Tool & Hydraulics

基　　金：辽宁省自然科学基金指导计划(20180550931)。

摘　　要：CVVL电机是一种用于提升发动机性能、降低汽车耗油量的一款永磁无刷直流电机,以其为研究对象,以提高转子输出转矩、电机效率、降低转矩脉动和定子槽满率为优化目标,以永磁体厚度、转子外径、定子内径、定子槽身宽和定子槽身高5个对优化目标影响最大的结构参数为优化变量,利用仿真软件ANSYS平台对永磁无刷直流电机结构作多目标优化,得到最优解集,最后通过仿真和试验验证优化方法的可行性,结果表明优化后的电机性能全面提升,满足优化目标,本文的多目标优化方法可为永磁无刷直流电机的结构优化提供参考。CVVL motor is a permanent magnet brushless DC motor used to improve engine performance and reduce vehicle fuel consumption.With the CVVL motor as the optimization object in this paper,the optimization variable is based on five structural parameters of the permanent magnet thickness,the outer diameter of rotor,the inner diameter of stator,the stator slot body width and the stator slot height,and improving rated torque and motor efficiency,reducing torque ripple and stator slot full factor are optimization objectives.Based on the platform of simulation software ANSYS,the multi-objective optimization of permanent magnetic brushless DC motor structure has been done,and the optimal solution set is obtained.Finally,the feasibility of the optimization method is verified by simulation and test,and the results show that the optimized motor performance is improved to meet the optimization target.The multi-objective optimization method in this paper can provide the reference for the structural optimization of permanent magnetic brushless DC motor.

关 键 词：永磁直流无刷电机 RMxprt OptiSLang 多目标优化 CVVL电机 

分 类 号：TM351[电气工程—电机]