Stabilizability of uncontrollable systems via generalized delayed feedback control

被引:2
|
作者
Zhu, Jiandong [1 ]
Tian, Yu-Ping [2 ]
机构
[1] Nanjing Normal Univ, Sch Math & Comp Sci, Dept Informat Engn, Nanjing 210097, Peoples R China
[2] Southeast Univ, Sch Automat Control, Nanjing 210096, Peoples R China
基金
中国国家自然科学基金;
关键词
discrete systems; generalized delayed feedback control; stabilizability; unknown fixed points;
D O I
10.1016/j.physd.2008.03.029
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, the stabilizability problem via a generalized delayed feedback control (GDFC) for uncontrollable discrete systems is addressed. For single-input uncontrollable systems, a necessary and sufficient condition of stabilizability via the GDFC is obtained, which completely describes the limitation of the GDFC. For multi-input systems, a new necessary condition is derived, which reveals the limitation of the GDFC more exactly than the odd number limitation. Moreover, for a class of nonlinear systems with uncertain parameters, a nonlinear robust GDFC is designed for the first time to stabilize the unknown fixed points associated with the uncertain parameters. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:2436 / 2443
页数:8
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