Dynamic characterisation of a vehicle magnetorheological shock absorber
by Zekeriya Parlak; Tahsin Engin; Şevki Çeşmeci; İsmail Şahin
International Journal of Vehicle Design (IJVD), Vol. 59, No. 2/3, 2012

Abstract: Magnetorheological (MR) dampers have received remarkable attention due to being a potential technology to conduct semi-active control in mechanical systems in order to effectively suppress vibration. It is therefore important to understand the dynamic behaviour of such devices whose non-linear hysteresis is a complicated phenomenon. In the study, an MR damper has been designed, fabricated, tested and then its dynamic behaviour has been modelled with the classical Bouc-Wen hysteretic model. After that, the seven parameters of this model have been expressed in terms of only current excitation. By this, the total damping force has been given by a compact form in which the only independent variable is the current excitation. Finally, the model has been verified with experimental data and a good agreement has been observed.

Online publication date: Tue, 23-Apr-2013

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