Decentralized Dynamic Output Feedback Control of Nonlinear Interconnected Systems

被引：37
|
作者：
Kalsi, Karanjit [1 ]
Lian, Jianming [2 ]
Zak, Stanislaw H. [1 ]
机构：
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
[2] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL 32310 USA
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2010年 / 55卷 / 08期
关键词：
Decentralized control; dynamic output feedback; non-linear interconnected system; sliding mode observer; ADAPTIVE-CONTROL;
D O I：
10.1109/TAC.2010.2050715
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 problem of robust stabilization is considered for a class of nonlinear interconnected systems, which consist of linear subsystems coupled by nonlinear interconnections that are unknown and quadratically bounded. A decentralized dynamic output feedback based linear controller is proposed, where the feedback gain matrices of local controllers are obtained by solving an optimization problem subject to linear matrix inequalities. Local sliding mode observers are employed to asymptotically estimate the subsystems' states and, at the same time, to reconstruct the unknown nonlinear interconnections. The closed-loop system driven by the proposed decentralized dynamic output feedback controller is guaranteed to be connectively stable with maximized interconnection bounds.
引用
收藏
页码：1964 / 1970
页数：7
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