This paper takes battery cell as research object, presents a new method to estimate the state-of-charge(SOC) of battery, which solves the problem of real-time estimation of power batteries for electric vehicles in the working condition. By a constant current load, periodically measured working voltage of the battery, the remaining time can be calculated using phase-slope based on voltage in the moment, which calculates the battery SOC. The thesis proves the feasibility of that the dynamic work point can be convert to static working point, the relative error of the method is less than 7%. Through software can implement compensation of temperature and aging. The error analysis results show that the method error is small, measurement precision is high.


    Access

    Access via TIB

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Dynamic Measurement and Estimation of Power Battery Residual Capacity


    Contributors:
    Ye, Wei-Qiong (author) / Li, Bei (author)


    Publication date :

    2013


    Size :

    5 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Lithium ion battery residual capacity estimation device

    YAN TENYU / UTSUNOMIYA TAKASHI | European Patent Office | 2020

    Free access

    BATTERY RESIDUAL CAPACITY ESTIMATING SYSTEM AND BATTERY RESIDUAL CAPACITY ESTIMATING METHOD

    TAKATSUKA HIROMASA / KASAI KAZUKI | European Patent Office | 2017

    Free access

    BATTERY RESIDUAL CAPACITY ESTIMATING SYSTEM AND BATTERY RESIDUAL CAPACITY ESTIMATING METHOD

    TAKATSUKA HIROMASA / KASAI KAZUKI | European Patent Office | 2022

    Free access

    BATTERY RESIDUAL CAPACITY DISPLAY DEVICE

    TATEISHI TAKESHI | European Patent Office | 2016

    Free access

    Battery capacity estimation method and battery capacity estimation device

    IZUMI JUNTA / MITSUI MASAHIKO / YASOSHIMA JUNI | European Patent Office | 2021

    Free access