Adaptive Fuzzy Sliding Mode Control for Electro-hydraulic Position Servo System

被引:3
|
作者
Bai, Yitong [1 ]
Li, Ping [1 ]
机构
[1] Liaoning Shihua Univ, Sch Informat & Control Engn, Fushun 113001, Peoples R China
关键词
Sliding Mode Control; Electro-hydraulic Position Servo System; Fuzzy Control; Chattering;
D O I
10.1109/CCDC.2010.5498613
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
An adaptive fuzzy sliding mode control (AFSMC) for Electro-hydraulic position servo system is proposed in this paper. Based on Lyapunov stability theory, the adaptive fuzzy algorithm with parameter online adjusted function is derived to approximate the equivalent control of sliding mode, and the nonlinear control part is also determined, so that system tracking stability can be guaranteed whether the uncertainties exist or not. Four items of fuzzy rules based on sliding mode control (SMC) are presented to smooth the chattering. The experiment results show that the high adjusted accuracy by AFSMC makes the system possess strong robustness and high stability, meanwhile the chattering phenomenon of the control effort is also suppressed effectively.
引用
收藏
页码:3249 / 3253
页数:5
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