In this paper the setup of a transmission for an electric powertrain concept is presented, which is based on automated manual transmission technology and can be extended by a range extender easily. To realize multispeed transmissions, the automated manual transmission technology represents the simplest approach. The traction force interruption as a matter of principle is equalized by two parallel emachines in the powertrain. Furthermore, the two e-machines enable an increase of powertrain efficiency at partial load and the functions of a combined (series and parallel) hybrid vehicle. With smart execution of the transmission it is possible to realize a parking lock without additional components. Overall, then it is possible to actuate the entire transmission including parking lock with only one actuator. A corresponding approach is presented and discussed in this paper. Additionally the function principle and the advantages of the transmission concept are shown with different driving maneuvers based on simulations. With appropriate operating and shifting strategies it is possible to maintain the entire wheel torque during gear shifts. Beyond the mentioned hybrid functions, the vehicle can be driven exclusively by the electric machines as well as exclusively by the combustion engine, which generates a high performance powertrain due to its diversity.


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    Titel :

    Electric two-drive-transmission with integrated parking lock for electric and range extender vehicles


    Beteiligte:
    Rinderknecht, Stephan (Autor:in) / Meier, Torben (Autor:in) / Rot, Ivan (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    12 Seiten, 10 Bilder, 5 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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