Adaptive Chattering-Free Sliding Mode Control of Chaotic Systems with Unknown Input Nonlinearity via Smooth Hyperbolic Tangent Function

被引：13

作者：

Fang, Jiunn-Shiou ^{[1
]}

Tsai, Jason Sheng-Hong ^{[1
]}

Yan, Jun-Juh ^{[2
]}

Guo, Shu-Mei ^{[3
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 701, Taiwan

[2] Natl Chin Yi Univ Technol, Dept Elect Engn, Taichung 41107, Taiwan

[3] Natl Cheng Kung Univ, Dept Comp Sci & Informat Engn, Tainan 701, Taiwan

来源：

MATHEMATICAL PROBLEMS IN ENGINEERING | 2019年 / 2019卷

关键词：

EXOSKELETON ROBOT CONTROL; OUTPUT-FEEDBACK CONTROL; CHUAS CIRCUIT; ROBUST; DESIGN; SYNCHRONIZATION;

D O I：

10.1155/2019/4509674

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The design of adaptive chattering-free sliding mode controller (SMC) for chaotic systems with unknown input nonlinearities is studied in this paper. A smooth hyperbolic tangent function is utilized to replace the discontinuous sign function; therefore, the proposed adaptive SMC ensures that not only the chaos phenomenon can be suppressed effectively but also the chattering often appearing in the traditional discontinuous SMC with sign function is eliminated, even when the unknown input nonlinearity is present. A sufficient condition for stability of closed-loop system is acquired by Lyapunov theory. The numerical simulation results are illustrated to verify the proposed adaptive sliding mode control method.

引用

页数：9

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