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Start-Up Transient Vibration Analysis of a Vehicle Powertrain System Equipped with a Nonlinear Clutch Damper

Journal Article
2015-01-2179
ISSN: 1946-3995, e-ISSN: 1946-4002
DOI: https://doi.org/10.4271/2015-01-2179
Published June 15, 2015 by SAE International in United States
Start-Up Transient Vibration Analysis of a Vehicle Powertrain System Equipped with a Nonlinear Clutch Damper
Sector:
Citation: Li, L. and Singh, R., "Start-Up Transient Vibration Analysis of a Vehicle Powertrain System Equipped with a Nonlinear Clutch Damper," SAE Int. J. Passeng. Cars - Mech. Syst. 8(2):726-732, 2015, https://doi.org/10.4271/2015-01-2179.
Language: English

Abstract:

The transient vibration phenomenon in a vehicle powertrain system during the start-up (or shut-down) process is studied with focus on the development and experimental validation of the nonlinear powertrain models. First, a new nonlinear four-degree-of-freedom torsional powertrain model for this transient event, under instantaneous flywheel motion input, is developed and then validated with a vehicle start-up experiment. Second, the interactions between the clutch damper and the transmission transients are established via transient metrics. Third, a single-degree-of-freedom nonlinear model, focusing on the multi-staged clutch damper, is developed and its utility is then verified.