锻压技术

数控转台液压伺服双马达系统改进PSO同步控制设计

英文标题：Improved PSO synchronous control design on hydraulic servo double motor system with CNC turntable

单位：1. 周口师范学院机械与电气工程学院 2. 河南理工大学数学与信息科学学院 3.河南欧力传动科技有限公司

分类号：TH137

出版年,卷(期):页码：2021,46(6):150-154

摘要：

为了提高数控转台液压伺服双马达系统的同步控制精度，设计了一种改进PSO算法和共反馈同步误差校正控制方案。共反馈同步误差校正控制方案利用主反馈误差来实现对跟踪误差的控制，并通过同步误差完成马达控制系统的反馈补偿，以达到更高的同步控制精度并提升运动性能。通过仿真分析得到：采用改进的复合控制方式获得了最小系统超调和稳态误差，并且能够在最短时间内实现位置响应稳态。利用改进PSO算法调试同步误差校正通道的PID超调量为2.385，调节时间为0.872 s，稳态误差为5.822×10-3，ITAE为0.6235，表现出优秀的控制性能。通过对比发现，综合运用共反馈同步误差校正并改进PSO算法进行控制时，明显降低了系统超调与波动性，确保了系统静态与动态性能均符合数控转台的控制要求。

In order to improve the synchronous control accuracy of hydraulic servo double motor system with CNC turntable, a control scheme of the improved PSO algorithm and the common feedback synchronous error correction was designed, the common feedback synchronization error correction control scheme used the main feedback error to control the tracking error, and completed the feedback compensation of motor control system by the synchronous errors so as to achieve the higher synchronous control accuracy and improve the motion performance. The simulation results show that the minimum system overshoot and steady state error are obtained by the improved composite control method, and the position response steady state is achieved in the shortest time. Furthermore, the synchronous error correction channel is debugged by improved PSO algorithm such as the PID overshoot of 2.385, the adjustment time of 0.872 s, the steady state error of 5.822×10-3, and the ITAE of 0.6235, which shows excellent control performance. The comparison shows that when the common feedback synchronous error correction and the improved PSO algorithm are comprehensively used for control, the system overshoot and volatility are significantly reduced, and the static and dynamic performances of system meets the control requirements of CNC turntable.

基金项目：

国家自然科学基金青年基金资助项目（52001340）

贺娅莉（1981-），女，硕士，讲师 E-mail：yali_he2004@126.com

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