A control system (208) and method 400 for controlling energy management of a traction battery (200) of a hybrid electric vehicle (10), the traction battery configured to power at least one traction motor (212) coupled to an electric-only axle (213) of the vehicle to provide all-wheel drive, the control system comprising one or more electronic controllers (300), the one or more electronic controllers configured to: determine a change of terrain mode and/or type for the vehicle and/or determine an increase in loading of the vehicle; select an energy management control strategy for the traction battery of the vehicle in dependence on the determined change in terrain mode and/or type and/or the determined increase in loading of the vehicle, wherein the traction battery is configured to supply power to the at least one traction motor to provide torque to the electric-only axle of the vehicle to enable the vehicle to operate in an all-wheel drive mode, wherein selecting an energy management control strategy of the vehicle comprises at least one of: selecting or adjusting a charge sustain set point (30) for the traction battery; and changing energy generation to recharge the traction battery.


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    Title :

    Controlling energy management of a traction battery


    Contributors:

    Publication date :

    2021-10-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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