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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.
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
Han-O YUN(윤한오) 대한전자공학회 2013 전자공학회논문지 Vol.50 No.8
본 논문은 동일하지 않는 노드들을 갖는 복잡동적 네트워크의 동기화문제를 고려한다. 이 문제에서 타켓 노드는 별도의 독립노드 대신에 네트워크내의 한 노드를 택하였다. 더욱이 본 논문의 동기화기법에서는 기존에 존재하는 연결행렬의 정보나 부가적인 조건을 필요하지 않는 장점이 있다. 리아프노프 안정성기법에 의거하여 타켓 노드와 다른 노드들 사이의 동기화를 위한 새로운 적응제어기를 위한 조건을 유도한다. 마지막으로 제안된 기법의 효율성을 보이기 위하여 수치적인 예제를 제시한다. 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.