电工技术学报2018，Vol.33Issue(11)：2423-2430,8.DOI:10.19595/j.cnki.1000-6753.tces.171485
轴向磁通轮毂电机电磁力波灵敏度分析和优化
Sensitivity Analysis and Optimization of Electromagnetic Force Wave of an Axial-Flux in-Wheel Motor
摘要
Abstract
The axial electromagnetic force wave is the main noise origin for axial flux motor. A finite element method parametric model was built up based on axial-flux in-wheel motor (AFWM). Based on the parametric model, the orthogonal experiment was designed with taking the thickness of permanent magnet, the length of air gap, the chamfer length of permanent magnet, the width of stator slot, and the hole of stator tooth as structural parameters. And sensitivity analysis for structural determinants that can affect axial electromagnetic force wave was carried out. Based on the result of orthogonal experiment, the mathematical model of calculating mainly axial electromagnetic force amplitude and average torque was established respectively by BP neural network. Then with the optimization goal of reducing the main axial force amplitude and improving the average torque, the multi-objective genetic algorithm was adopted to optimize the structural parameters of the motor. The FEM results show that the most optimized structural parameters combination not only can effectively reduce the electromagnetic noise and improve the output performance of the motor.关键词
轴向磁通轮毂电机/轴向电磁力波/正交试验/灵敏度分析/优化Key words
Axial-flux in-wheel motor/axial electromagnetic force wave/orthogonal experiment/sensitivity analysis/optimization分类
信息技术与安全科学引用本文复制引用
左曙光,刘洋,邓文哲..轴向磁通轮毂电机电磁力波灵敏度分析和优化[J].电工技术学报,2018,33(11):2423-2430,8.基金项目
国家自然科学基金项目(51375343)和国家重大科学仪器开发专项项目(2012YQ150256)资助. （51375343）
