机械与电子2017，Vol.35Issue(4)：39-43,5.
伺服作动器动态加载控制系统研究
Research on Dynamic Loading Control System of Servo Actuator
摘要
Abstract
According to the requirements of servo actuator dynamic loading test, a dynamic loading scheme of the force module driven by a linear motor was proposed with a mathematical model of the load system established and a compound control scheme of multi-loop and feedforward loop designed, in which the phase lag of the system was reduced based on the feedforward control.To reduce the strong displacement disturbance caused by the position closed-loop control of the servo actuator during the loading process, the feedforward compensation based on the principle of structure invariance was used to restrain the redundant force.In order to solve the problem that the position closed-loop of the loading system was subject to uncertain displacement disturbance, fuzzy self-adaptive PID was used to the force closed-loop control of the loading system,by adjusting the PID parameters in real time, which can effectively reduce the influence of uncertain displacement disturbance and improve the adaptability of the system.The simulation results show that the load system has a good dynamic tracking quality, and most of redundant force is effectively restrained by the feedforward compensation control.Compared with the traditional PID, the fuzzy PID control restrains the redundant force and reduces the force tracking error better.关键词
动态加载系统/结构不变性原理/多余力/模糊PIDKey words
dynamic loading system/structural invariance principle/redundant force/fuzzy PID分类
信息技术与安全科学引用本文复制引用
荣亮,游有鹏..伺服作动器动态加载控制系统研究[J].机械与电子,2017,35(4):39-43,5.基金项目
江苏省产学研合作前瞻性联合研究项目(BY2015003-09) （BY2015003-09）
