When charging each electric power storage device from a power supply external to a vehicle is requested (YES in S10), then before each electric power storage device is charged the electric power storage devices charge/discharge therebetween (S20). A battery ECU calculates a voltage-current characteristic of each electric power storage device, as based on each electric power storage device's voltage and current collected when the electric power storage devices charge/discharge therebetween (S30). Each electric power storage device's OCV is calculated as based on the calculated voltage-current characteristic (S40), and each electric power storage device's SOC is estimated from the calculated OCV (S50).


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    Title :

    ELECTRIC VEHICLE, METHOD FOR ESTIMATING STATE OF CHARGE, AND COMPUTER READABLE RECORDING MEDIUM RECORDING PROGRAM FOR EXECUTING STATE OF CHARGE ESTIMATION METHOD ON COMPUTER


    Additional title:

    ELEKTROFAHRZEUG, VERFAHREN ZUR KALKULATION DES LADEZUSTANDES SOWIE COMPUTERLESBARES AUFZEICHNUNGSMEDIUM MIT AUFZEICHNUNG EINES PROGRAMMES FÜR DIE AUSFÜHRUNG DER LADESTANDSKALKULATION AUF EINEM COMPUTER
    VEHICULE ELECTRIQUE, PROCEDE D'ESTIMATION D'UN ETAT DE CHARGE, ET SUPPORT D'ENREGISTREMENT LISIBLE PAR ORDINATEUR AYANT ENREGISTRE SUR CELUI-CI UN PROGRAMME POUR EXECUTER LE PROCEDE D'ESTIMATION D'ETAT DE CHARGE SUR ORDINATEUR


    Contributors:
    OKI RYOJI (author)

    Publication date :

    2019-08-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung