A battery management system includes a voltage measurement unit that measures a voltage of each of a plurality of batteries; and a controller. The controller controls the voltage measurement unit to measure the voltage of each of the plurality of batteries; calculates a first deviation, which is a deviation between long-term and short-term moving average values of the voltage of each of the plurality of batteries; calculates a second deviation, which is a deviation between long-term and short-term moving average values of an average voltage of the plurality of batteries; calculates a first diagnosis deviation, which is a difference between the first and second deviations; calculates a second diagnosis deviation based on a reference value obtained by multiplying the second deviation by a threshold constant; and based on the second diagnosis deviation, diagnoses an abnormality of at least one battery among the plurality of batteries.


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    Title :

    BATTERY MANAGEMENT DEVICE AND OPERATION METHOD THEREFOR


    Additional title:

    BATTERIEVERWALTUNGSVORRICHTUNG UND BETRIEBSVERFAHREN DAFÜR
    DISPOSITIF DE GESTION DE BATTERIE ET SON PROCÉDÉ DE FONCTIONNEMENT


    Contributors:

    Publication date :

    2025-06-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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