Chaotic response of a quarter car model forced by a road profile with a stochastic component

Grzegorz Litak, Marek Borowiec, Michael I. Friswell and Wojciech Przystupa

Chaos, Solitons & Fractals, 2009, vol. 39, issue 5, 2448-2456

Abstract: The Melnikov criterion is used to examine a global homoclinic bifurcation and transition to chaos in the case of a quarter car model excited kinematically by a road surface profile consisting of harmonic and noisy components. By analyzing the potential an analytic expression is found for the homoclinic orbit. The road profile excitation including harmonic and random characteristics as well as the damping are treated as perturbations of a Hamiltonian system. The critical Melnikov amplitude of the road surface profile is found, above which the system can vibrate chaotically. This transition is analyzed for different levels of noise and illustrated by numerical simulations.

Date: 2009
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:39:y:2009:i:5:p:2448-2456

DOI: 10.1016/j.chaos.2007.07.021

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