低速永磁直线电机优化设计及仿真  

Optimization and Simulation of Low-speed Permanent Magnet Linear Motor

作　　者：刘金亮[1] 焦留成[1] 陈群[1] 刑仁周[1] 

机构地区：[1]郑州大学电气工程学院,郑州450001

出　　处：《微电机》2012年第7期10-14,共5页Micromotors

基　　金：国家自然科学基金(61075071);河南省教育厅自然科学基金项目(2010A470006/2011A470010);郑州市科技局项目(10PTGG380-1)

摘　　要：传统的直线电机在恒低速运行时,需要采用与控制设备相结合的方式或采用复杂的工艺结构,从而导致成本大幅增加。针对上述问题提出了低速永磁直线电机,并给出电机结构和基于磁路、技术指标下,结合直接搜索算法的电机最优设计。并通过建立电机三维有限元模型,显示出永磁体工作点和气隙磁场特性符合磁路设计要求,验证了电机结构的有效性,为该电机的优化设计提供了依据。When traditional linear motor worked on constant low speed,it need control devices or complex structure,resulting in significant increases in cost.In response to these issues offered low-speed permanent magnet linear motor,and gave the motor structure,basing on magnetic circuit,technical targets,combined with the direct search algorithm optimizing motor design.Through the establishment of three-dimensional finite element model of the motor,analyzed the operating point of the permanent magnet and the characteristics of air-gap magnetic field suited the design requirements,verified the validity of the motor structure,provided the basis of optimal design of the motor.

关 键 词：低速永磁直线电机 电机优化设计 直接搜索算法 有限元仿真 

分 类 号：TM359.4[电气工程—电机] TM356