Predictive Technique for Forced Vibration in Hybrid Transmission

Paper #:
  • 2016-01-1058

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-1058
Citation:
Toyama, N. and Hoshi, T., "Predictive Technique for Forced Vibration in Hybrid Transmission," SAE Technical Paper 2016-01-1058, 2016, doi:10.4271/2016-01-1058.
Pages:
6
Abstract:
The subject is technology for damping forced vibration in the multiplate wet clutches used in hybrid vehicle transmissions. As a predictive technique for forced vibration caused by the structure of the clutch, three-dimensional simulation was used in the present study to anticipate the modes of vibration that occur. Next, a one-dimensional simulation was created as a predictive technique for drivetrain torsional vibration from the engine to the driveshaft. The one-dimensional simulation created was used to extract the modes of operation that are severe with regard to forced vibration from target values for vibration anticipated from the vehicle body. The results obtained were used with three-dimensional simulation to change the clutch structure to provide greater latitude with regard to the target for forced vibration. It was subsequently confirmed in actual vehicles that forced vibration did not occur in those modes of operation anticipated to be most severe with regard to forced vibration.
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