An experimental and analytical study of the tractor ride comfort
by A.M.A. Soliman, S.M. Moustafa, F.M. El-Sayed, K.A. Abd El-Gawwad
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 2, No. 1, 1995

Abstract: This paper is concerned with an investigation into the dynamic ride behaviour of a Nasr tractor (type 651) in three degrees of freedom. The tractor itself is treated as a rigid body undergoing vertical, pitch and roll motions. The influence of wheel stiffness is studied with a view to improving ride comfort. A mathematical model for an off-road vehicle (tractor) is developed, and the results it predicts are compared with experimental measurements. The experimental and theoretical results obtained indicate that the mathematical model produces optimistic results for the vertical pitch and roll directions. The effect of wheel stiffness and damping coefficient to improve the tractor ride response are discussed.

Online publication date: Tue, 18-Jun-2013

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