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Type: Journal article
Title: Sampled-data synchronization of complex networks with partial couplings and T-S fuzzy nodes
Author: Wu, Y.
Lu, R.
Shi, P.
Su, H.
Wu, Z.
Citation: IEEE Transactions on Fuzzy Systems, 2018; 26(2):782-793
Publisher: IEEE
Issue Date: 2018
ISSN: 1063-6706
Statement of
Yuanqing Wu, Renquan Lu, Peng Shi, Hongye Su, and Zheng-Guang Wu
Abstract: This paper is concerned with the synchronization of complex networks subject to partial couplings and Takagi–Sugeno (T-S) fuzzy nodes, by adopting the aperiodic sampled-data strategy. A decoupling method is utilized to handle the partial couplings among connected nodes, which enables us to investigate each channel of complex networks independently. On the basis of the input-delay approach, the hybrid system about each channel is reformulated to a continuous time-varying delay system. Then, the free-weighting matrix approach and a novel continuous Lyapunov functional are adopted to capture the information of sampling pattern. Sufficient conditions are obtained to ensure that the complex networks achieves synchronization with the target node. Furthermore, the proposed strategy is extended to more general case, in which there exist constant transmission time delays in the local interactions of connected nodes. Based on Wirtinger’s inequality, a simplified and efficient synchronization strategy is proposed. Moreover, the corresponding optimization problem about the maximal sampling interval upper bound is addressed as well. Finally, the communication frequency reduction potential of the proposed synchronization strategy is well demonstrated via a numerical example.
Keywords: Complex networks; partial couplings; sampleddata synchronization; Takagi–Sugeno (T–S) fuzzy nodes
Description: Date of publication March 28, 2017
Rights: © 2017 IEEE
DOI: 10.1109/TFUZZ.2017.2688490
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Electrical and Electronic Engineering publications

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