Sliding mode control with fuzzy tuning for an electro-hydraulic position servo system

被引:0
|
作者
Ha, QP [1 ]
Nguyen, HQ [1 ]
Rye, DC [1 ]
Durrant-Whyte, HF [1 ]
机构
[1] Univ Sydney, Dept Mech & Mechatron Engn J07, Australian Ctr Field Robot, Sydney, NSW 2006, Australia
关键词
nonlinear system; electro-hydraulic servo control; sliding made; fuzzy tuning;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper presents a navel robust sliding mode controller for a class of nonlinear systems, The central signal consists of an equivalent control to assign desired dynamics to the closed-loop system, a switching control to guarantee a sliding mode, and a fuzzy central to enhance fast tracking and to attenuate chattering. Sufficient conditions for asymptotic tracking are achieved when matching conditions ave satisfied. The control method is applied to the position control of an electro-hydraulic servo system. To verify the potential and effectiveness of the proposed controller, simulation results demonstrate its strong robustness against a large range of parameter variations, load disturbance, and nonlinear spring stiffness.
引用
收藏
页码:141 / 148
页数:8
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