大力矩永磁同步直线电机设计及优化研究  

Design and Optimization of High Torque Permanent Magnet Synchronous Linear Motor

作　　者：王仕威 谢卫才 王斌 许志伟 赵培斌 李奔 董道宏 WANG Shiwei;XIE Weicai;WANG Bin;XU Zhiwei;ZHAO Peibin;LI Ben;DONG Daohong(Hunan Provincial Key Laboratory of Wind Turbines and Control,Hunan Institute of Engineering,Xiangtan 411104,China)

机构地区：[1]湖南工程学院风力发电机组及控制湖南省重点实验室,湘潭411104

出　　处：《湖南工程学院学报(自然科学版)》2024年第3期1-8,共8页Journal of Hunan Institute of Engineering(Natural Science Edition)

基　　金：湖南省自科基金资助项目(2022JJ50122、2024JJ70101)

摘　　要：探讨了永磁同步直线电机(PMLSM)的设计、减阻优化、电磁特性、气隙磁通密度和样机制作工艺.确定电机的主要尺寸、关键电磁参数.使用Maxwell软件构建有限元模型以分析结构和参数对电磁推力的影响.优化了初级铁芯长度以降低端部力.通过仿真和实验测试样机的电阻电感参数、推力、反电动势和重复定位精度,结果表明,样机展现出良好的推力输出性能.This article mainly discusses the design,drag reduction optimization,electromagnetic characteristics,air gap flux density and prototype manufacturing process of permanent magnet synchronous linear motor(PMLSM).Research contents include determining the main dimensions and key electromagnetic parameters of the motor.Maxwell software is used to construct a finite element model to analyze the effects of structure and parameters on electromagnetic thrust.Primary core length is optimized to reduce end forces.The prototype's resistance and inductance parameters,thrust,back electromotive force and repeat positioning accuracy are tested through simulation and experiments.The results show that the prototype exhibits good thrust output performance.

关 键 词：直线电机 推力波动 磁阻力 端部效应 

分 类 号：TM359.4[电气工程—电机]