The research described in this paper is aimed at exploring the effect of a dual-mass flywheel on the torsional vibration characteristics of a power-split hybrid powertrain. The dynamic equations of governing the torsional vibrations for this hybrid driveline are presented, a novel torsional vibration dynamic model is established with ADAMS, and the accuracy of this model is verified by using the mathematical model of the hybrid powertrain. Accordingly, various parameters of the dual-mass flywheel are investigated by using forced vibrations to reduce the torsional vibrations of the hybrid drive train. The analysis shows that the implementation of a dual-mass flywheel is an effective way to decrease the torsional vibrations of the hybrid powertrain. Finally, an improved combination of parameters yielding the least vibrations is provided.
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Tang et al. (2017) studied this question.