Synchronization of a delayed complex dynamical network with free coupling matrix

Tae H. Lee, Ju H. Park, H. Y. Jung, S. M. Lee, O. M. Kwon

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

This paper considers synchronization problem of a delayed complex dynamical network. For the problem, the virtual target node is chosen as one of nodes in the complex network. It should be pointed out that only one connection is needed between a real target node and a virtual target node instead of N connections. Moreover, the proposed synchronization scheme does not require additional conditions for coupling matrix unlike the existing works. Based on Lyapunov stability theory, a new design criterion for an adaptive feedback controller to achieving synchronization between the real target node and all nodes of the delayed complex network is developed. Finally, the proposed method is applied to a numerical example in order to show the effectiveness of our results.

Original languageEnglish
Pages (from-to)1081-1090
Number of pages10
JournalNonlinear Dynamics
Volume69
Issue number3
DOIs
StatePublished - Aug 2012

Keywords

  • Adaptive control
  • Complex dynamical network
  • Free coupling matrix
  • Synchronization
  • Time delay

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