摘要
为减小直驱式电液伺服系统运行过程中的液压冲击,提高系统运行的平稳性和位置精度,采用速度前馈和位置反馈的复合控制策略。该文介绍了直驱式电液伺服系统的组成,复合控制的原理;导出包含负载信息的速度前馈量计算模型;设计速度与位置信号发生器,实现速度前馈控制与位置反馈控制的无扰切换;搭建系统Simulink与AMESim联合仿真模型。仿真结果表明,在不同期望速度、不同的负载下,系统可以很好的跟踪速度和位置给定信号,具有良好的控制性能。
In order to reduce the hydraulic impact during the operation of DDVC servo system and improve the stability and position accuracy of the system,the compound control strategy of speed feedforward and position feedback is adopted.This paper introduces the composition of DDVC servo system and the principle of compound control;derives the speed feed-forward calculation model including load information;designs speed and position signal generator to realize the undisturbed switching between speed feed-forward control and position feedback control;builds the system Simulink and AMESim joint simulation model.The simulation results show that the system can track the given speed and position signals well under different expected speeds and loads,and has good control performance.
作者
杨国来
乔樑
白桂香
陈伟
何皓
YANG Guo-lai;QIAO Liang;BAI Gui-xiang;CHEN Wei;HE Hao(College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China;Key Laboratory of Fluid Machinery and Systems,Lanzhou University of Technology,Lanzhou 730050,China)
出处
《液压气动与密封》
2021年第8期23-26,共4页
Hydraulics Pneumatics & Seals
基金
甘肃省流体机械及系统重点实验室(兰州理工大学)开放基金(kfms2018-10)。
