Exponential synchronization for coupled complex networks with time-varying delays and stochastic perturbations via impulsive control |
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| Authors: | Yongbao Wu Shengxiang Fu Wenxue Li |
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| Institution: | Department of Mathematics, Harbin Institute of Technology (Weihai), Weihai 264209, PR China |
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| Abstract: | This paper is concerned with the problem of exponential synchronization of coupled complex networks with time-varying delays and stochastic perturbations (CCNTDSP). Different from previous works, both the internal time-varying delay and the coupling time-varying delay are taken into account in the network model. Meanwhile, an impulsive controller is designed to realize exponential synchronization in mean square of CCNTDSP. Combining the Lyapunov method with Kirchhoff’s Matrix Tree Theorem, some sufficient criteria are obtained to guarantee exponential synchronization in mean square of CCNTDSP. Furthermore, we apply the theoretical results to study exponential synchronization of stochastic coupled oscillators with the internal time-varying delay and the coupling time-varying delay. And a synchronization criterion is also obtained. Finally, two numerical examples are given to demonstrate the effectiveness and feasibility of our theoretical results and the superiority of impulsive control. |
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| Keywords: | Corresponding author |
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