THE INVESTIGATION OF RANDOM TORSIONAL VIBRATION IN AUTOMOBILE TRANSMISSION EXCITED BY ROAD PROFILE

摘要

In this paper, the action of road profile to the torsional vibrations in automobile transmissions are studied. The model to calculate the random torsional vibrations in the transmissions is proposed and the values of the model parameters are determined by computer and experiment also. Further, the dynamic characteristics and the responses of automobile transmissions to the random excitation of road profile are calculated. The results of road experiment of automobile demonstrates that the theoretic analyses and the calculation are right. All the results shows that the low frequency torsional vibrations in automobile transmissions are caused by the random excitation of road profile.