Adaptive Composite Fuzzy Dynamic Surface Control for Electro-Hydraulic-System, with Variable-Supply-Pressure

被引：11

作者：

Guo, Qinyang ^{[1
]}

Shi, Guanglin ^{[1
]}

Wang, Dongmei ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai, Peoples R China

来源：

ASIAN JOURNAL OF CONTROL | 2020年 / 22卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Electro-hydraulic-system; variable-supply-pressure; unknown nonlinear friction; dynamic surface control; adaptive composite fuzzy control; OUTPUT-FEEDBACK CONTROL; ELECTROHYDRAULIC ACTUATOR; BACKSTEPPING CONTROL; ROBUST-CONTROL; OBSERVER; DESIGN; MOTION;

D O I：

10.1002/asjc.1907

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a novel adaptive composite fuzzy dynamic surface controller for a variable-supply-pressure electro-hydraulic-system in the presence of unknown nonlinear friction effects. To avoid analytic calculation, command filters are utilized to produce certain virtual controllers and their derivatives. A fuzzy logic system is designed to approximate and compensate the unknown nonlinear friction influences of the electro-hydraulic-system. To achieve a precise approximation, the prediction error of a designed serial-parallel estimation model and the compensated tracking error are both used to develop the composite adaptive law. Comparative simulation and experimental results are obtained to verify the effectiveness of the proposed control method.

引用

页码：521 / 535

页数：15

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