A very promising approach to save fuel and to minimize exhaust emission are Hybrid Electrical Vehicles (HEV). Despite of the fuel savings, the drivability can be increased by realizing gear shifts without an intermission in the wheel torque or a noticeable jerk. An important task for the HEV control is the start and the coupling of the ICE during electrical driving. This task has to also be done without an intermission in the wheel torque or a noticeable jerk to obtain a good drivability. In this paper we will describe a feedforward control for the launch clutch of a parallel HEV (pHEV) with an Automated Manual Transmission (AMT) and a dry clutch. The feedforward control is obtained using a simplified model of the drivetrain. We presented a feedforward control with which it is possible to crank the ICE and to synchronize the angular velocities of the gearbox and the ICE to close the clutch. The presented simulation results are very promising.


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    Title :

    Feedforward control of a parallel hybrid launch clutch


    Contributors:
    Gasper, Rainer (author) / Beck, Ralf (author) / Abel, Dirk (author)


    Publication date :

    2009


    Size :

    12 Seiten, 3 Bilder, 10 Quellen


    Remarks:

    (nicht paginiert)


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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