2012•Advanced materials researchOpen access

Research on Ride Comfort of Nonlinear Vehicle Suspension

Zi Yue Zhao, Zhi Hong Fan, Jing Jun Zhang, Zi Qiang Xia

Abstract

In this paper, in order to study the effect of nonlinear suspension system, a nonlinear dynamic model considering nonlinearity of suspension is built and another model with the respective of linear suspension system is developed which is for comparison. Then the dynamic equation of the model is set up. The simulation is accomplished through MATLAB/SIMULINK. It is found that the band-limited white noise module can simulate the power spectral density of road surface well. Finally, numerical simulation results indicates that an appropriate nonlinear suspension model fits reality better than a linear one and using relative control can provide the best ride comfort.

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Available abstract

Key concepts: Nonlinear system, Suspension (topology), MATLAB, Control theory (sociology), Engineering, Active suspension, Noise (video), Power (physics)