Damping requirement of a suspension seat subject to low frequency vehicle vibration and shock
by Xiao Qing Ma, Subhash Rakheja, Chun-Yi Su
International Journal of Vehicle Design (IJVD), Vol. 47, No. 1/2/3/4, 2008

Abstract: Vibration attenuation performance characteristics of a suspension seat are investigated under excitations arising from different road and off-road vehicles. A Two-Degrees-of-Freedom (2-DOF) model of the suspension seat is formulated upon integration of component models, and consideration of the end-stop impacts and potential body-hop motions. Validated analytical model is applied to identify the desirable damping parameters, to achieve improved attenuation of continuous and transient vibration of varying intensities. The results, suggest that a suspension design with relatively higher compression and rebound mode damping would be desirable for realising improved shock and vibration isolation performance for vehicles with predominantly low frequency ride vibration.

Online publication date: Wed, 22-Oct-2008

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