Adaptive Time Delay Control of Permanent Magnet Linear Synchronous Motor

被引：0
|
作者：
Ji X. [1 ]
Zhao X. [1 ]
机构：
[1] School of Electrical Engineering, Shenyang University of Technology, Shenyang
来源：
Zhao, Ximei (zhaoxm_sut@163.com) | 1600年 / China Machine Press卷 / 35期
关键词：
Adaptive time-delay control; Permanent magnet linear synchronous motor; Robustness; Time-delay estimation error;
D O I：
10.19595/j.cnki.1000-6753.tces.181837
中图分类号：
学科分类号：
摘要：
The permanent magnet linear synchronous motor (PMLSM) servo system is sensitive to the uncertainties, such as parameter variations, external disturbance and so on. This paper proposed an adaptive time delay control (ATDC) scheme by combining the time delay control (TDC) and the adaptive control (AC). Firstly, the dynamic model of the PMLSM servo system with uncertainties was established. Then, the values of the uncertainties of the system were estimated by the TDC to make the dynamic model of the system more accurate, and then the TDC rate was obtained. However, because the control gain was fixed during the process of TDC, there is a large time delay estimation error. Therefore, the AC online adjustment control gain was used to compensate the error. Finally, the experimental results show that the proposed control scheme is effective and feasible. Compared with TDC, the servo system based on ATDC has better tracking performance and robustness, and significantly reduces tracking errors. © 2020, Electrical Technology Press Co. Ltd. All right reserved.
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页码：1231 / 1238
页数：7
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