Sliding mode output-feedback stabilization of uncertain nonlinear nonaffine systems

被引：18
|
作者：
Bartolini, Giorgio [1 ]
Punta, Elisabetta [1 ]
机构：
[1] Natl Res Council Italy, Inst Intelligent Syst Automat, I-16149 Genoa, Italy
来源：
AUTOMATICA | 2012年 / 48卷 / 12期
关键词：
Uncertain nonlinear nonaffine systems; Nonlinear observers; Sliding mode control; OBSERVER;
D O I：
10.1016/j.automatica.2012.08.015
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The paper considers the variable-structure output-feedback stabilization of nonlinear uncertain nonaffine systems when the state vector is not completely available and the use of observers is required. The strategy of introducing integrators in the input channel is exploited to enlarge the class of tractable control systems. A full-order observer is designed and the control problem is solved by forcing a sliding regime for the observer. Depending on the type of uncertainties, conditions are found under which convergence to the unique ideal solution of both the system and the observer, either exponentially or with a bounded error, is proven. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3106 / 3113
页数：8
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