Abstract：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.
姬相超, 赵希梅. 永磁直线同步电动机的自适应时滞控制[J]. 电工技术学报, 2020, 35(6): 1231-1238.
Ji Xiangchao, Zhao Ximei. Adaptive Time Delay Control of Permanent Magnet Linear Synchronous Motor. Transactions of China Electrotechnical Society, 2020, 35(6): 1231-1238.
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2020, Vol. 35 
