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개선된 Unit 보강 알고리즘을 이용한 강안정화 제어기 설계
윤한오,신창훈,박홍배 대한전자공학회 1994 전자공학회논문지-B Vol.b31 No.8
This paper presents an improved interpolation algorithm which enables to find a unit function in $H^{\infty}$. From the proposed algorithm the interpolation problem on the infinity point with multiplicity can be solved. This is based on the DPL algorithm the acquired unit function has low order and can be directly applied to strong/simultaneous stabilization problem in control systems. Finally, we verify that poles of transfer function of closed-loop system exist in stable region while investgating internal stability.
Synchronization of a Complex Dynamical Network with nonidentical Node and Free Coupling Strength
윤한오 대한전자공학회 2013 전자공학회논문지 Vol.50 No.8
This paper considers synchronization problem of a complex dynamical network with nonidentical nodes. For the problem, the target node is chosen as one of nodes in the complex network instead of an isolate node. Moreover, our synchronization scheme does not need additional conditions and information of coupling matrix comparing with existing works. Based on Lyapunov stability theory, a design criterion for a novel adaptive feedback controller for the synchronization between the target node and another nodes of the complex network is proposed. Finally, the proposed method is applied to a numerical example in orther to show the effectiveness of our results.