Output-feedback finite-time stabilization of disturbed LTI systems

被引:38
|
作者
Tulio Angulo, Marco [1 ]
Fridman, Leonid [2 ]
Levant, Arie [3 ]
机构
[1] Fac Ingn UNAM, Dept Ingn Control & Robot, Mexico City, DF, Mexico
[2] CINVESTAV IPN, Dept Automat Control, Mexico City, DF, Mexico
[3] Tel Aviv Univ, Sch Math Sci, Dept Appl Math, Tel Aviv, Israel
关键词
Sliding-mode control; Dynamic output feedback; Finite-time stability; SLIDING-MODE CONTROLLERS; OBSERVER;
D O I
10.1016/j.automatica.2012.01.003
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Semi-global finite-time exact stabilization of linear time-invariant systems with matched disturbances is attained using a dynamic output feedback, provided the system is controllable, strongly observable and the disturbance has a bound affine in the state norm. The novel non-homogeneous high-order sliding-mode control strategy is based on the gain adaptation of both the controller and the differentiator included in the feedback. A robust criterion is developed for the detection of differentiator convergence to turn on the controller at a proper time. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:606 / 611
页数:6
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