It is aimed to provide a power management system for an electrically driven vehicle that comprises a powertrain of at least two electric motors that can be selectively geared into the powertrain and an electric power source for powering the at least two electric motors. The power management system comprises a mechanical power demand indicator, indicating a level of mechanical power demanded from the powertrain, and an electrical power demand estimator, arranged to estimate an electrical power demand from the electric power source of a respective one of the at least two electrical motors as a function of the demanded mechanical power. The power management system is arranged to activate or deactivate a respective one of said at least two electric motors in response to the mechanical power demand indicator. The power management system is further arranged to deactivate a respective one of the at least two electric motors when the power management system detects that the demanded mechanical power does not exceed a maximum value for the powertrain having a respective one of said at least two electric motors deactivated; and that the estimated electric power demanded by the powertrain having the respective one of said at least two electric motors deactivated, is lower than the powertrain having the respective one of said at least two electric motors activated; or otherwise activate the respective one of the at least two electric motors.


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    Titel :

    POWER MANAGEMENT SYSTEM FOR ELECTRICAL VEHICLES WITH MULTIPLE MOTORS



    Erscheinungsdatum :

    2023-11-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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