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首页> 外文期刊>Chaos, Solitons and Fractals: Applications in Science and Engineering: An Interdisciplinary Journal of Nonlinear Science >Synchronization of unidirectional coupled chaotic systems with unknown channel time-delay: Adaptive robust observer-based approach
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Synchronization of unidirectional coupled chaotic systems with unknown channel time-delay: Adaptive robust observer-based approach

机译:具有未知信道时滞的单向耦合混沌系统的同步:基于自适应鲁棒观测器的方法

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摘要

In this paper, an adaptive robust observer-based scheme for the synchronization of unidirectional coupled chaotic systems with unknown channel time-delay and system uncertainties is proposed. The effects of time-delay arise from the physical characteristics of coupled channel, while the system uncertainties arise due to unknown but bounded external disturbances and parametric perturbations. By appropriately selecting the observer controller and adaptation mechanism. the master slave chaotic synchronization can be guaranteed by Lyapunov approach. Finally, the Chua's circuit is used as an illustrative example, where simulation results are given to demonstrate the effectiveness of the proposed scheme. (c) 2005 Elsevier Ltd. All rights reserved.
机译:本文提出了一种基于鲁棒观测器的自适应方法,用于未知时滞和系统不确定性的单向耦合混沌系统的同步。时延的影响源于耦合通道的物理特性,而系统不确定性则是由于未知但有限的外部干扰和参数扰动而引起的。通过适当选择观察者控制器和自适应机制。 Lyapunov方法可以保证主从混沌同步。最后,以蔡氏电路为例,给出了仿真结果,证明了所提方案的有效性。 (c)2005 Elsevier Ltd.保留所有权利。

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