Synchronization of perturbed chaotic systems via nonlinear control

Synchronization of perturbed chaotic systems via nonlinear control
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通过非线性控制同步扰动混沌系统

DOI:
10.1007/s11771-012-1345-2
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发表时间:
2012-10
影响因子:
4.4
通讯作者:
Pan Huan
Pan Huan
中科院分区:
材料科学3区
文献类型:
--
作者:
Guo Ling;Nian Xiao-hong;Pan Huan

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研究了扰动系统的混沌同步问题。提出了一种实现系统混沌同步的通用非线性控制方案。该控制方案灵活、实用,在设计控制器时有更大的自由度,以达到预期的性能。利用李雅普诺夫稳定性定理和部分稳定性理论,给出了两种情况:1)无扰动和扰动为零时系统的混沌同步; 2)满足一定条件的扰动为零时系统误差态的有界性。最后,通过对Lorenz系统的仿真,验证了该方法的有效性和可行性。与现有的线性反馈控制方案的结果进行了数值比较,结果比现有的结果更尖锐。
Chaos synchronization of systems with perturbations was investigated. A generic nonlinear control scheme to realize chaos synchronization of systems was proposed. This control scheme is flexible and practicable, and gives more freedom in designing controllers in order to achieve some desired performance. With the aid of Lyapunov stability theorem and partial stability theory, two cases were presented: 1) Chaos synchronization of the system without perturbation or with vanishing perturbations; 2) The boundness of the error state for the system with nonvanishing perturbations satisfying some conditions. Finally, several simulations for Lorenz system were provided to verify the effectiveness and feasibility of our method. Compared numerically with the existing results of linear feedback control scheme, the results are sharper than the existing ones.
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发表时间: 2009-07
影响因子: 7.8
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