A hybrid electric vehicle having one or more controllers, at least two axles independently driven by respective electric machines (EMs) that are each coupled to a separate battery, and a combustion engine (CE) coupled to one of the axles. At least one of the controller(s) are configured to deliver power to one of the axles in a single axle drive mode, and in response to a torque demand signal (TDS) exceeding a single axle power limit, to deliver power to another axle, and/or all axles. The controller(s) are further configured to respond to the TDS exceeding a multiple axle power limit, and to deliver additional CE power to the coupled axle. In response to a braking signal, the controller(s) may also adjust at least one of the EMs to capture mechanical braking energy from a respective axle, and generate negative torque to charge one or more of the separate batteries.


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    Titel :

    VEHICLES WITH MULTIPLE HIGH VOLTAGE BATTERIES


    Beteiligte:

    Erscheinungsdatum :

    02.05.2019


    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



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