PROBLEM TO BE SOLVED: To provide an abnormality determination device, an abnormality determination method and a computer program, capable of detecting abnormality of a secondary battery more efficiently in a shorter period of time.SOLUTION: Disclosed is an abnormality determination device which determines whether a current sensor for detecting a discharging current or charging current of a secondary battery is abnormal or not. The abnormality determination device includes: a first calculation part for calculating a first open voltage value based on a charge amount calculated from an integral value of the current detected by a current sensor; a second calculation part for calculating a second open voltage value by applying the current detected by the current sensor to a circuit model of the secondary battery; and a determination part which determines whether the current sensor is abnormal or not based on the difference between the first open voltage value and the second open voltage value.SELECTED DRAWING: Figure 2

    【課題】二次電池の異常の発生をより精度よくより短時間で検知することができる異常判定装置、異常判定方法及びコンピュータプログラムを提供する。【解決手段】二次電池の放電電流又は充電電流を検出する電流センサが異常であるか否かを判定する異常判定装置であって、電流センサが検出した電流の積分値から算出される充電量に基づき第1の開放電圧値を算出する第1算出部と、電流センサが検出した電流を二次電池の回路モデルに適用して第2の開放電圧値を算出する第2算出部と、第1の開放電圧値及び第2の開放電圧値の差分に基づき電流センサが異常であるか否かを判定する判定部とを備える。【選択図】図2


    Access

    Download


    Export, share and cite



    Title :

    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD, AND COMPUTER PROGRAM


    Additional title:

    異常判定装置、異常判定方法及びコンピュータプログラム


    Contributors:

    Publication date :

    2018-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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



    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION SYSTEM, ABNORMALITY DETERMINATION METHOD, AND ABNORMALITY DETERMINATION PROGRAM

    ISHIKAWA KENTARO / KOKIDO TOMOYOSHI / FUJIYOSHI HIROKI | European Patent Office | 2023

    Free access

    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD, AND ABNORMALITY DETERMINATION PROGRAM

    OMORI YASUHIRO / ISHIKAWA HIROAKI | European Patent Office | 2018

    Free access

    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD, AND ABNORMALITY DETERMINATION PROGRAM

    OMORI YASUHIRO / ISHIKAWA HIROAKI | European Patent Office | 2018

    Free access

    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD, AND ABNORMALITY DETERMINATION PROGRAM

    NAGAYAMA HIROKI / NAGAFUCHI YUKIO / MIYAJIMA ASAMI | European Patent Office | 2023

    Free access

    ABNORMALITY DETERMINATION SYSTEM, ABNORMALITY DETERMINATION PROGRAM

    KURIWAKI YUICHI | European Patent Office | 2018

    Free access