SOH estimation unit (4613) estimates a state of health (SOH) of battery (E1, 41) based on measurement data of battery (E1, 41). Deterioration regression curve generation unit (4614) generates a deterioration regression curve of battery (E1, 41) by performing curve regression on a plurality of the SOHs specified in time series for battery (E1, 41). Rapid deterioration determination unit (4615) determines whether or not rapid deterioration has occurred in battery (E1, 41) based on a difference or a ratio between a deterioration coefficient of a deterioration regression curve of battery (E1, 41) generated based on the plurality of SOHs in a first data section and a deterioration coefficient of a deterioration regression curve of battery (E1, 41) generated based on the plurality of SOHs in a second data section.


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    Title :

    BATTERY MANAGEMENT SYSTEM, CALCULATION SYSTEM, BATTERY DEGRADATION PREDICTION METHOD, AND BATTERY DEGRADATION PREDICTION PROGRAM


    Additional title:

    BATTERIEVERWALTUNGSSYSTEM, BERECHNUNGSSYSTEM, BATTERIEVERSCHLECHTERUNGSVORHERSAGEVERFAHREN UND BATTERIEVERSCHLECHTERUNGSVORHERSAGEPROGRAMM
    SYSTÈME DE GESTION DE BATTERIE, SYSTÈME DE CALCUL, PROCÉDÉ DE PRÉDICTION DE DÉGRADATION DE BATTERIE ET PROGRAMME DE PRÉDICTION DE DÉGRADATION DE BATTERIE


    Contributors:
    ISHII YOHEI (author)

    Publication date :

    2024-06-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung




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