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In this paper, we apply outer synchronization to identify unknown parameters existing in the node dynamics between two interacted networks. According to the coupling and interacted matrices, we design the corresponding adaptive control schemes and updating laws to achieve the outer synchronization. By the Lyapunov functional theory, we derive two theorems of the appearance of outer synchronization...
The recognition of system parameters in uncertain complex dynamical networks with stochastic disturbance and time-varying delay is investigated in this note. By constructing a slave network and designing feedback controllers, the outer synchronization between two networks is achieved according to the Itô differential formula, LaSalle'e invariance principle. Meanwhile, the unknown system parameters...
This paper is concerned with the problem of synchronization control of complex dynamical networks (CDN) subject to nonlinear couplings and uncertainties. An FLS (fuzzy logical system) based adaptive distributed controller is designed to achieve the synchronization. The asymptotic convergence of synchronization errors is analyzed by combining algebraic graph theory and Lyapunov theory. In contrast...
Fat-tree topology has drawn a considerable interest because it offers a rich connectivity among source and destination nodes. Routing in fat-trees is composed of a routing function and a selection function. The selection function was shown to have a great impact on the performance [2]. In this paper, we study the performance of fat-trees in case of hot-spot traffic. First, we propose a new selection...
This paper investigates out synchronization with identical topologies connection and the adaptive synchronization with nonidentical topologies connection between two nonlinearly delay-coupled complex networks with the bidirectional actions. A new Lyapunov-Krasovskii functional is constructed for the two complex networks, and the S-procedure is employed to handle the nonlinearities and identical topologies...
Adaptive global synchronization of a class of directed dynamical networks with switching topologies is investigated. It is found that if there exists a directed spanning tree in the fixed time-average of network topology and the time-average is achieved sufficiently fast, then the network will reach global synchronization for appreciate coupling strength. A sufficient condition about the global synchronization...
This paper discusses the robustness properties of a novel decentralized strategy for synchronization of complex networks based on adaptive local gains. Namely, the strategy assumes that each vertex adaptively selects the coupling strength with all of its local neighbours. The strategy was proved to guarantee synchronization and it is shown here to be surprisingly robust to topological variations of...
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