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Hopf Bifurcation Analysis for a Stochastic Discrete-Time Hyperchaotic System

Author

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  • Jie Ran
  • Yu-Qin Li
  • Shao-Juan Ma
  • Juan Wu

Abstract

The dynamics of a discrete-time hyperchaotic system and the amplitude control of Hopf bifurcation for a stochastic discrete-time hyperchaotic system are investigated in this paper. Numerical simulations are presented to exhibit the complex dynamical behaviors in the discrete-time hyperchaotic system. Furthermore, the stochastic discrete-time hyperchaotic system with random parameters is transformed into its equivalent deterministic system with the orthogonal polynomial theory of discrete random function. In addition, the dynamical features of the discrete-time hyperchaotic system with random disturbances are obtained through its equivalent deterministic system. By using the Hopf bifurcation conditions of the deterministic discrete-time system, the specific conditions for the existence of Hopf bifurcation in the equivalent deterministic system are derived. And the amplitude control with random intensity is discussed in detail. Finally, the feasibility of the control method is demonstrated by numerical simulations.

Suggested Citation

  • Jie Ran & Yu-Qin Li & Shao-Juan Ma & Juan Wu, 2015. "Hopf Bifurcation Analysis for a Stochastic Discrete-Time Hyperchaotic System," Discrete Dynamics in Nature and Society, Hindawi, vol. 2015, pages 1-12, December.
    • Handle: RePEc:hin:jnddns:127404
    DOI: 10.1155/2015/127404
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