Chaos of several typical asymmetric systems

Jingjing Feng, Qichang Zhang and Wei Wang

Chaos, Solitons & Fractals, 2012, vol. 45, issue 7, 950-958

Abstract: The threshold for the onset of chaos in asymmetric nonlinear dynamic systems can be determined using an extended Padé method. In this paper, a double-well asymmetric potential system with damping under external periodic excitation is investigated, as well as an asymmetric triple-well potential system under external and parametric excitation. The integrals of Melnikov functions are established to demonstrate that the motion is chaotic. Threshold values are acquired when homoclinic and heteroclinic bifurcations occur. The results of analytical and numerical integration are compared to verify the effectiveness and feasibility of the analytical method.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:45:y:2012:i:7:p:950-958

DOI: 10.1016/j.chaos.2012.02.022

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