Provided is a battery management device capable of effectively utilizing battery performance while securing battery life. The battery management device includes: a divergence amount calculation unit 106 that calculates a divergence amount Z between a life target value or a degradation amount target value of a storage battery, which is a secondary battery, and a life prediction value or a degradation amount prediction value according to use history of the storage battery in an arbitrary period from the past to the present; and a limit value change unit 108 that changes charge/discharge limit values L 1A and L 2A for controlling degradation of the storage battery based on the divergence amount Z calculated by the divergence amount calculation unit 106. The limit value change unit 108 includes a first limit value calculation unit 1082 that calculates a first limit value set that is a combination of the charge/discharge limit values L 1A and L 2A for each of a plurality of types of control parameters that change in correlation with each other based on the divergence amount Z.


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    Title :

    BATTERY MANAGEMENT DEVICE, BATTERY SYSTEM, AND HYBRID VEHICLE CONTROL SYSTEM


    Additional title:

    BATTERIEMANAGEMENTVORRICHTUNG, BATTERIESYSTEM UND HYBRIDFAHRZEUGSTEUERUNGSSYSTEM
    DISPOSITIF DE GESTION DE BATTERIE, SYSTÈME DE BATTERIE ET SYSTÈME DE COMMANDE DE VÉHICULE HYBRIDE


    Contributors:

    Publication date :

    2019-05-08


    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 / 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 / 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 / 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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