Sliding Mode Control in Position Control for Asymmetrical Hydraulic Cylinder with Chambers Connected  

作　　者：雷军波 王宣银 皮阳军 

机构地区：[1]State Key Laboratory of Fluid Power Transmission and Control,Zhejiang University [2]College of Engineering,Jiangxi Agricultural University

出　　处：《Journal of Shanghai Jiaotong university(Science)》2013年第4期454-459,共6页上海交通大学学报（英文版）

基　　金：the National Natural Science Foundation of China(No.50575202)

摘　　要：In this paper, single, two-position, two-way proportional valve is used to carry out the positon control of asymmetrical hydraulic cylinder with two chambers connected. The system structure and the working princle are introduced. The dynamic model of the asymmetrical hydraulic cylinder system is established with power bond graphs method, and becomes a fundament for analyzing the system. Sliding mode controller is designed, and the stability of the control system is analyzed. The simulation results indicate that the sliding mode controller designed can actualize the position control of asymmetrical hydraulic cylinder system, and controller is superior to traditional PID controller when the load changes in some range.In this paper, single, two-position, two-way proportional valve is used to carry out the positon control of asymmetrical hydraulic cylinder with two chambers connected. The system structure and the working princle are introduced. The dynamic model of the asymmetrical hydraulic cylinder system is established with power bond graphs method, and becomes a fundament for analyzing the system. Sliding mode controller is designed, and the stability of the control system is analyzed. The simulation results indicate that the sliding mode controller designed can actualize the position control of asymmetrical hydraulic cylinder system, and controller is superior to traditional PID controller when the load changes in some range.

关 键 词：sliding mode control asymmetrical hydraulic cylinder position control bond graph 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]