Chattering free full-order sliding-mode control

被引:545
|
作者
Feng, Yong [1 ,2 ]
Han, Fengling [3 ]
Yu, Xinghuo [4 ]
机构
[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Peoples R China
[2] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing, Peoples R China
[3] RMIT Univ, Sch Comp Sci & IT, Melbourne, Vic 3001, Australia
[4] RMIT Univ, Sch Elect & Comp Engn, Melbourne, Vic 3001, Australia
基金
澳大利亚研究理事会; 中国国家自然科学基金;
关键词
Sliding-mode control; Terminal sliding-mode; Finite-time stability; Lyapunov stability; Singularity; HOMOGENEITY;
D O I
10.1016/j.automatica.2014.01.004
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In conventional sliding-mode control systems, the sliding-mode motion is of reduced order. Two main problems hindering the application of the sliding-mode control are the singularity in terminal sliding-mode control systems and the chattering in both the conventional linear sliding-mode and the terminal sliding-mode control systems. This paper proposes a chattering-free full-order terminal-sliding-mode control scheme. Since the derivatives of terms with fractional powers do not appear in the control law, the control singularities are avoided. A continuous control strategy is developed to achieve the chattering free sliding-mode control. During the ideal sliding-mode motion, the systems behave as a desirable full-order dynamics rather than a desirable reduced-order dynamics. A systematic design method of full-order sliding-mode control for nonlinear systems is presented, which allows both the chattering and singularity problems to be resolved. Simulations validate the proposed chattering free full-order sliding-mode control. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1310 / 1314
页数:5
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