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구동기포화를 갖는 불확실한 시스템의 H<sub>2</sub> 제어
최현철,홍석교,좌동경,Choi, Hyoun-Chul,Hong, Suk-Kyo,Chwa, Dong-Kyoung 제어로봇시스템학회 2007 제어·로봇·시스템학회 논문지 Vol.13 No.10
This paper presents an LMI-based method to design a saturated state-feedback $H_2$ controller for uncertain systems with actuator saturation. Specifically, the paper proposes a sufficient condition such that the system under norm-bounded uncertainties and actuator saturation is asymptotically stable and the $H_2$-norm of the system has an upper-bound. The resulting condition is further utilized to solve a convex optimization problem specified in the context of $H_2$-norm minimization, whose solution yields a saturated $H_2$ controller. A numerical example is presented to show the effectiveness of the proposed method.
박현덕(Hyun-Duk Park),홍석교(Suk-Kyo Hong),좌동경(Dong-Kyoung Chwa) 대한전기학회 2009 정보 및 제어 심포지엄 논문집 Vol.2009 No.10
This paper presents an analytical fault detection and diagnosis method. By combining Luenberger Observer based method with parity equation method, the residual generator becomes robust to disturbances and it presents information of disturbance effect. From the comparison of two different residuals we can estimate whether the false alarm occurred or not.