Abstract
Dry clutches are widely used in automated manual transmissions. In order to obtain “good” clutch engagements a precise torque transmissibility estimation is crucial. In this paper, a temperature-dependent model of the torque transmissibility characteristic for dry dual clutches is proposed. Dynamic models of the clutches thermal evolutions are determined and linked to the characteristics of the mechanical components influencing the torque transmissibility. Numerical simulations obtained by considering a realistic powertrain model with a dry dual clutch transmission and a corresponding multivariable controller, confirm the effectiveness of the proposed model.
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