Composite Feedforward Compensation for Force Ripple in Permanent Magnet Linear Synchronous Motors

被引：0
|
作者：
杨春雨 [1 ]
车志远 [1 ,2 ]
周林娜 [1 ]
机构：
[1] School of Information and Control Engineering, China University of Mining and Technology
[2] School of Electrical Engineering, Southeast University
来源：
Journal of Shanghai Jiaotong University(Science) | 2019年 / 24卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
permanent magnet linear synchronous motor(PMLSM); force ripple; composite feedforward compensation; recursive least squares(RLS);
D O I：
暂无
中图分类号：
TM341 [同步电机];
学科分类号：
080801 ;
摘要：
This paper presents a method for compensating the force ripple in permanent magnet linear synchronous motors(PMLSMs) by adopting a composite feedforward compensation scheme. Firstly, the vector control system of PMLSMs is described, and various force disturbances influencing the electromagnetic thrust are analyzed. As a result, the mathematical model of the whole system considering the force ripple is established.Then, a novel composite feedforward compensation scheme is proposed, which consists of a recursive least squares(RLS) parameter identification component and two feedforward compensation loops corresponding to the reference position trajectory and the force ripple, respectively. Finally, the effectiveness and advantages of the proposed composite feedforward compensation are demonstrated by simulation. The main incentive of this paper is the combination with the composite feedforward compensation loop corresponding to the reference position trajectory to improve the compensation effect of force ripple in PMLSMs.
引用
收藏
页码：782 / 788
页数：7
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