Abstract
In this paper, projective synchronization of drive-response coupled dynamical network with delayed system nodes and coupling time-varying delay is investigated via impulsive control, where the scaling factors are different from each other. Different controllers are designed to achieve the projective synchronization: only impulsive control is used when the scaling factors need extra limitation, while an extra controller, that is, a simple linear feedback controller, is added when the scaling factors don’t need extra limitation. Based on the stability analysis of the impulsive functional differential equation, the sufficient conditions for achieving projective synchronization of such coupled network are established, and an estimate of the upper bound of impulsive intervals ensuring global exponential synchronization of drive-response coupled dynamical network is also given. Numerical examples on the time-delay Lorenz chaotic systems are presented finally to illustrate the effectiveness and advantage of the proposed synchronization criteria.
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Acknowledgements
This work was jointly supported by the Startup Fund for Ph.D. of Zhejiang University of Finance & Economics, the National Science Foundation of China (Grant 11102076) and the Society Science Foundation from Ministry of Education of China (Grant 2012JA790057).
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Zheng, S. Analyzing projective synchronization on different scaling factors in a drive-response coupling dynamical network with time-varying delays. Nonlinear Dyn 70, 709–719 (2012). https://doi.org/10.1007/s11071-012-0489-9
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DOI: https://doi.org/10.1007/s11071-012-0489-9