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Complex Generalized Synchronization and Parameter Identification of Nonidentical Nonlinear Complex Systems

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  • Shibing Wang
  • Xingyuan Wang
  • Bo Han

Abstract

In this paper, generalized synchronization (GS) is extended from real space to complex space, resulting in a new synchronization scheme, complex generalized synchronization (CGS). Based on Lyapunov stability theory, an adaptive controller and parameter update laws are designed to realize CGS and parameter identification of two nonidentical chaotic (hyperchaotic) complex systems with respect to a given complex map vector. This scheme is applied to synchronize a memristor-based hyperchaotic complex Lü system and a memristor-based chaotic complex Lorenz system, a chaotic complex Chen system and a memristor-based chaotic complex Lorenz system, as well as a memristor-based hyperchaotic complex Lü system and a chaotic complex Lü system with fully unknown parameters. The corresponding numerical simulations illustrate the feasibility and effectiveness of the proposed scheme.

Suggested Citation

  • Shibing Wang & Xingyuan Wang & Bo Han, 2016. "Complex Generalized Synchronization and Parameter Identification of Nonidentical Nonlinear Complex Systems," PLOS ONE, Public Library of Science, vol. 11(3), pages 1-19, March.
    • Handle: RePEc:plo:pone00:0152099
    DOI: 10.1371/journal.pone.0152099
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    References listed on IDEAS

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    1. Fangfang Zhang & Shutang Liu, 2014. "Self-time-delay synchronization of time-delay coupled complex chaotic system and its applications to communication," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 25(03), pages 1-13.
    2. Chao Luo & Xingyuan Wang, 2013. "Chaos Generated From The Fractional-Order Complex Chen System And Its Application To Digital Secure Communication," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 24(04), pages 1-23.
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