Abstract
Recently, starting control takes an important role in the automatic manual transmission systems; clutch engagement control is the key of it. In order to improve the starting performance of AMT vehicle, clutch dynamic response must be control during the slipping phase. Therefore, this paper puts forward a control strategy for the dry clutch engagement process, considered as a finite time optimal control problem. The main idea of this strategy is to obtain a linear quadratic state feedback controller by solving the optimal control problem. The performance obtained with the proposed controller are compared with those achievable by means of a classical open loop control strategy. Moreover, different starting operating conditions are used to test the controller performance. Numerical simulations shows the good performance obtained by the proposed controller, which guarantees fast engagement, minimize the slip losses, reduce the fuel consumption and improve in the shift quality.
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