Automotive Ride Comfort Control Using MR Fluid Damper

DOI: 10.4236/eng.2012.44024   PDF   HTML     8,036 Downloads   14,291 Views   Citations


In this paper, the performance of automotive ride comfort using Bouc-Wen type magneto-rheological (MR) fluid damper is studied using a two degree of freedom quarter car model. The sliding mode control is used to force the MR damper to follow the dynamics of ideal sky-hock model. The model is tested on two excitations, the first is a road hump with severe peak amplitude and the second is a statistical random road. The results are generated and presented in time and frequency domains using Matlab/Simulink software. Comparison with the fully active, ideal semi-active and conventional passive suspension systems are given as a root mean square values. Simulation results, for the designed controller, show that with the controllable MR damper has a significant improvement for the vehicle road holding then its lateral stability as well as road damage in comparison with passive, fully active and ideal semi-active suspension systems.

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M. El-Kafafy, S. El-Demerdash and A. Rabeih, "Automotive Ride Comfort Control Using MR Fluid Damper," Engineering, Vol. 4 No. 4, 2012, pp. 179-187. doi: 10.4236/eng.2012.44024.

Conflicts of Interest

The authors declare no conflicts of interest.


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