Robust decentralized control for uncertain switched composite large-scale systems

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作者：
Coll. of Science, Shenyang Jianzhu Univ., Shenyang 110168, China [1 ]
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来源：
Xi Tong Cheng Yu Dian Zi Ji Shu/Syst Eng Electron | 2007年 / 6卷 / 958-961期
关键词：
Asymptotic stability - Closed loop systems - Computer simulation - Control equipment - Decentralized control - Linear matrix inequalities - Lyapunov functions - Robustness (control systems) - Stabilization - State feedback - Theorem proving - Time varying systems;
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摘要：
The problem of robust decentralized state feedback stabilization for a class of uncertain switched composite large-scale systems is considered. By using single Lyapunov function technique, sufficient conditions of robust stabilization for uncertain switched composite large-scale systems are obtained respectively. The parameter uncertainties of interconnected subsystems are time-varying and unknown but are norm-bounded. Based on convex combination technique and LMI (linear matrix inequality) method, decentralized state feedback controllers and decentralized switching laws are designed to make the closed-loop systems be asymptotically stable under the assumption that each uncertain subsystem can't be stabilized. The simulation results show the validity of the designed method.
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