摘要
介绍高频响精密位移直线电机的基本结构方案,探讨了用NdFeB磁性材料来设计径向磁路气隙磁场的分析计算技术方法,以及精密位移直线电机的支承结构方案,提出了自寻优数字PID校正控制方法,并建立了相应的控制系统模型,经实验证明文中所提出的直线电机结构控制方案有利于获得较高的频响与精密位移精度,在精密位移误差补偿、微进给等方面有良好的应用前景。
This paper puts forward a basic structure scheme of linear motor for high response frequency and precision displacement, and further discusses the analysis and computation technology of air gap field of radial magnetic circuit with material NdFeB and a supporting structure scheme for precise linear motor. A numerical PID correction control method which optimized by itself, and built its correspondence control system model is also mentioned. Through the experiments, it is proved that this structure of linear motor is convenient to get a high response frequency and displacement accuracy, and very useful in the field of error compensation of displacement and microfeed.
出处
《中国电机工程学报》
EI
CSCD
北大核心
1999年第2期41-46,共6页
Proceedings of the CSEE
基金
国家自然科学基金
关键词
直线电机
位移控制
电磁装置
磁路
Displacement Motor Magnetic circuit Numerical PID