Technique for Predicting Powertrain Self-Excited Vibration at Vehicle Start-Up

Paper #:
  • 2015-01-1674

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-1674
Citation:
Hoshi, T., "Technique for Predicting Powertrain Self-Excited Vibration at Vehicle Start-Up," SAE Int. J. Engines 8(4):1798-1803, 2015, doi:10.4271/2015-01-1674.
Author(s):
Affiliated:
Pages:
6
Abstract:
A clutch FEM model was created to quantitatively understand the operation and dynamic friction characteristics of the facing materials. And a simulation model for dynamic behavior analysis of the torque transmission characteristics from a transmission that incorporates drivetrain damping characteristics to the vehicle body was constructed. The data of the actual vehicle was also measured when vibration occurs and loss torque is generated by friction in the drivetrain, and damping characteristics were determined from the measurement values. In order to confirm the usefulness of this method, the construction of a clutch that suppresses self-excited vibration was examined by simulation and the reduction of vibration in an actual vehicle was confirmed.
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