Generation of hyperchaos from the Chen–Lee system via sinusoidal perturbation

Lap Mou Tam, Juhn Horng Chen, Hsien Keng Chen and Wai Meng Si Tou

Chaos, Solitons & Fractals, 2008, vol. 38, issue 3, 826-839

Abstract: A system with more than one positive Lyapunov exponent can be classified as a hyperchaotic system. In this study, a sinusoidal perturbation was designed for generating hyperchaos from the Chen–Lee chaotic system. The hyperchaos was identified by the existence of two positive Lyapunov exponents and bifurcation diagrams. The system is hyperchaotic in several different regions of the parameters c, ε, and ω. It was found that this method not only can enhance or suppress chaotic behavior, but also induces chaos in non-chaotic parameter ranges. In addition, two interesting dynamical behaviors, Hopf bifurcation and intermittency, were also found in this study.

Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:38:y:2008:i:3:p:826-839

DOI: 10.1016/j.chaos.2007.01.039

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