Development of High Fidelity Dynamic Model with Thermal Response for Single Plate Dry Clutch

Paper #:
  • 2017-26-0260

Published:
  • 2017-01-10
DOI:
  • 10.4271/2017-26-0260
Citation:
Penta, A., Warule, P., Patel, S., and Dhamija, L., "Development of High Fidelity Dynamic Model with Thermal Response for Single Plate Dry Clutch," SAE Int. J. Passeng. Cars - Mech. Syst. 10(1):378-384, 2017, doi:10.4271/2017-26-0260.
Pages:
7
Abstract:
Single plate dry clutch is most commonly used in automotive transmission. This paper proposes a unique approach of modelling a single plate dry clutch in Simulink and Simscape simulation environment. Clutch model is divided into two subsystems as translational and rotational. The translational system is linear system of diaphragm and cushion spring as a two-degree freedom system. Nonlinearity of the diaphragm and cushion spring has been modelled based on experimental data. This enables to simulate friction torque variation during clutch engagement. In rotational system, frictional torque generation between flywheel-clutch disc and pressure plate-clutch disc has been modelled separately. This novel approach of developing separate friction models helps in understanding variation in torque carrying capacity due to rise in the temperature of the friction pads because of frictional and engine heat. The variation of friction coefficient with rise in temperature has been taken into account based on experimental data. The model is simulated for different conditions and results are discussed.
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