An Optimal Method for Minimizing Cogging Torque in Disc-type Permanent Magnet Machines Using FEM and Genetic Algorithm

摘要：

　　Cogging torque is one of the main reasons which cause ripple in motors speed and torque.So the reduction of cogging torque must be considered in the design of permanent magnet machines.There are many existing techniques for reducing cogging torque in PM machines.This paper presents a new optimal method for cogging torque minimization by magnet shifting in disctype PM machines.The impact of magnet shifting on cogging torque and torque output are discussed in disctype PM machines.In order to reduce the cogging torque effectively while without being harmful to the average torque output.This paper used genetic algorithm (GA) to calculate the shift positions combined with slot-opening optimization to achieve the minimum cogging torque.

关键词： cogging torque disc-type permanent magnet machine genetic algorithm finite element method

作者: Jingshi Shangguan Chengzhi Fan

作者单位: College of Electrical Engineering, Zhejiang University, Hangzhou, 310027, China

会议类型: 国际会议

会议名称: 第九届国际直线电机驱动与工业应用会议(LDIA2013)

会议地点: 杭州

会议语种:英文

页码: 1-5

在线出版日期: 2013-07-07（万方平台首次上网日期，不代表论文的发表时间）