Investigation of vibration and ride characteristics of a five degrees of freedom vehicle suspension system

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Abstract

Ride comfort of the passengers in a vehicle largely depends on the vibration isolation performance of its suspension system. This paper aims at vibration isolation analysis of both heavy-duty and light-duty vehicle suspension systems to corroborate ride comfort perception. A half car model with passive suspension and having five degrees of freedom has been used to investigate the dynamic response i.e. the vibration with eccentricity under sinusoidal input excitations of a rough road. The mass of the vehicle body, front/rear wheels and driver/passenger; mass moment of inertia of the vehicle body; damping coefficients and spring stiffness of front/rear suspensions; distances of the driver/passenger's seat (eccentricity) and front/rear suspension locations from the centre of gravity (CG) of the vehicle body; pitch angle - All these are considered as variable parameters. A model is created in SIMULINK ofMATLAB for simulation of the vehicle's random response and ride comfort characteristics.

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APA

Rahman, M. S., & Kibria, K. M. G. (2014). Investigation of vibration and ride characteristics of a five degrees of freedom vehicle suspension system. In Procedia Engineering (Vol. 90, pp. 96–102). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2014.11.820

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