Abstract
In this research, an analytical modeling and analysis approach called the transfer matrix method is applied to study a planetary gear type dynamic antiresonant vibration isolator (PG-DAVI) for complex rotational systems. In this part 2 of series papers, the transfer matrix method is applied to an automotive powertrain system with an embedded PG-DAVI to characterize torsional vibration attenuation. First, the internal configuration of an automotive powertrain system is described as a baseline system, and its modal characteristics and harmonic responses are calculated. Then, two additional powertrain systems modified with a PG-DAVI and a classical dynamic absorber are presented. Finally, the effectiveness of vibration suppression in the powertrain system using a PG-DAVI is investigated by comparing the modal characteristics, harmonic responses, and time responses of the three powertrain configurations using the transfer matrix method as well as conventional analytical and numerical methods.
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