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Variable Gain Robust Output Feedback Controllers for a Class of Polytopic Uncertain Systems
Hidetoshi OYA,Kojiro HAGINO 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper discusses a design problem of a variable gain robust output feedback controller for a class of polytopic uncertain systems. The uncertainties under consideration satisfy the matching condition and are bounded. In this paper, we show a design method of the variable gain robust output feedback controller. Finally, the effectiveness of the proposed design scheme is shown through simple illustrative examples.
Trajectory-Based Design of Robust Stabilizing Controllers for Polytopic Uncertain Systems
Hiroki WADA,Hidetoshi OYA,Kojiro HAGINO,Yasumitsu EBINUMA 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper deals with a design problem of robust controllers for polytopic uncertain systems. The proposed design method is based on computation of the trajectory for the uncertain system and differs from the existing methods based on quadratic stabilization via Lyapunov criterion. In this paper, we show that sufficient conditions for asymptotical stability of the polytopic uncertain system and a LMI-based design algorithm of a robust stabilizing controller. Finally, the effectiveness of the proposed design scheme is shown through illustrative examples.