Friction compensation of proportional multi-way valve based on modified viscous friction LuGre model

被引：1
|
作者：
Chen D. [1 ,2 ]
Liu Y. [1 ,2 ]
Yao C. [3 ]
Jiang D. [1 ,2 ]
Wang K. [1 ,2 ]
机构：
[1] Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao, 066004, Hebei
[2] Key Laboratory of Advanced Forging & Stamping Technology and Science (Yanshan University), Ministry of Education of China, Qinhuangdao, 066004, Hebei
[3] Key Laboratory of Industrial Computer Control Engineering of Hebei Province, Yanshan University, Qinhuangdao, 066004, Hebei
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2017年 / 28卷 / 01期
关键词：
Friction compensation; LuGre model; Parameter identification; Proportional multi-way valve; Viscous friction;
D O I：
10.3969/j.issn.1004-132X.2017.01.011
中图分类号：
学科分类号：
摘要：
To decrease the influences of friction on the proportional multi-way valves, the methods of friction characteristic analysis, parameter identification and friction compensation of proportional multi-way valves were proposed based on modified viscous friction LuGre model. The friction data were indirectly obtained through the experimental tests. The static and dynamic parameters of modified viscous friction LuGre model were identified by data fitting. The friction state observer of modified viscous friction LuGre model was designed by use of the identified parameters, and the output of state observer was fed back to the input port of control model to reduce the adverse effect of friction on the proportional multi-way valve performances. Simulation results show that the location tracking accuracy of proportional multi-way valves may be improved by using the friction compensation with identification parameter method based on modified viscous friction LuGre model. © 2017, Chinese Mechanical Engineering Society. All right reserved.
引用
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页码：62 / 68
页数：6
相关论文
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