To provide a parameter estimation device, a parameter estimation method and a computer program that can precisely estimate a parameter of an equivalent circuit of a secondary battery and inform a person concerned with the secondary battery of information based upon an estimation result.SOLUTION: A parameter estimation device comprises: a collection part which collects a current and a voltage of a secondary battery when the secondary battery is at least charged or discharged based upon a current pattern of a pattern period; an estimation part which estimates a parameter of an equivalent circuit of the secondary battery based upon the current and voltage that the collection part collects; a calculation part which calculates a degree of deterioration of the secondary battery based upon an estimation result of the estimation part; and a notification part which gives notice of information based upon a calculation result of the calculation part.SELECTED DRAWING: Figure 4

    【課題】二次電池の等価回路のパラメータを精度よく推定し、推定結果に基づく情報を二次電池に関わる人に通知することができるパラメータ推定装置、パラメータ推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】パラメータ推定装置は、パターン周期の電流パターンに基づいて二次電池の充電又は放電の少なくとも一方を行った場合の前記二次電池の電流及び電圧を収集する収集部と、前記収集部が収集した電流及び電圧に基づいて前記二次電池の等価回路のパラメータを推定する推定部と、該推定部の推定結果に基づいて前記二次電池の劣化度を算出する算出部と、該算出部の算出結果に基づく情報を通知する通知部とを備える。【選択図】図4


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    Title :

    PARAMETER ESTIMATION DEVICE, PARAMETER ESTIMATION METHOD AND COMPUTER PROGRAM


    Additional title:

    パラメータ推定装置、パラメータ推定方法及びコンピュータプログラム


    Contributors:

    Publication date :

    2020-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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



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