Modeling of Powertrain System Dynamic Behavior with Torsional Vibration Damper

The paper presents the results of experimental and model research of powertrain system built with torsional vibration damper. The behaviour of powertrain system with and without vibration damper was shown in the conditions of acceleration and deceleration with different increases of rotational speed. Next, authors describe the process of building a mathematical model of such a system and its identification on the basis of experimental results. When examining the results obtained with empirical and model research, it has been shown that in the structural and parametric identification of model of such system, the main factor affecting the right development of the structure should be dynamic criterion, since the only use of static criteria leads to big errors. On the basis of such model we can make some structural solutions to the system to minimize torsional vibrations.