Codimension-Two Bifurcation Analysis of a Vehicle Suspension System Moving Over Rough Surface
|Published in:||International Journal of Structural Stability and Dynamics, November 2018, n. 12, v. 18|
This paper examines the dynamics of a nonlinear semi-active suspension system using a quarter-car model moving over rough road profiles. The bifurcation analysis of the nonlinear dynamical behavior of this system is performed. Codimension-two bifurcation and homoclinic orbits can be discovered in this system. When the external force of a road profile was added to this system as a parameter with a certain range of values, a strange attractor can be found using the numerical simulation. Finally, the Lyapunov exponent is adopted to identify the onset of chaotic motion and verify the bifurcation analysis.
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