A method of operating a vehicle transmission is described. The method includes determining lowest and highest gear ratio set points of the transmission based at least in part on minimum and maximum non-electric engine rotational speed limitations, respectively, and determining if the vehicle is in a coasting mode. When the vehicle is in coasting mode, the lowest set point is modified to slow the non-electric engine below the minimum non-electric engine rotational speed limitation, to reduce engine drag and maximize recuperation energy. When it is determined that the vehicle is no longer in coasting mode, the method includes restoring the first set point and accelerating the non-electric engine to at least the minimum non-electric engine rotational speed.


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    Titel :

    REDUCTION OF POWER LOSSES FOR VEHICLE DRIVE TRAINS WITH RECUPERATION DEVICES


    Weitere Titelangaben:

    VERRINGERUNG VON ENERGIEVERLUSTEN FÜR FAHRZEUGANTRIEBSSTRÄNGE MIT RÜCKGEWINNUNGSVORRICHTUNGEN
    RÉDUCTION DE PERTES DE PUISSANCE POUR CHAÎNES DYNAMIQUES DE VÉHICULE AVEC DISPOSITIFS DE RÉCUPÉRATION


    Beteiligte:

    Erscheinungsdatum :

    14.03.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING



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