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    • 2. 发明申请
    • METHOD AND APPARATUS FOR ESTIMATING STATE OF HEALTH OF BATTERY
    • WO2023078673A1
    • 2023-05-11
    • PCT/EP2022/078969
    • 2022-10-18
    • PSA AUTOMOBILES SA
    • ZHANG, DebuZHANG, YaxiGU, Xiang Long
    • G01R31/392G01R31/367
    • A method for estimating state of health of a battery includes: receiving operating data of a vehicle; determining whether the operating data can be used to estimate the state of health of the battery; and if yes, calculating a value of each of a plurality of health features based on the operating data, and providing the calculated values to a trained neural network model of the vehicle to estimate the state of health of the battery, wherein the trained neural network model is used to represent the relationship between the plurality of health features and the state of health of the battery. The SOH of the battery obtained by this method is more accurate because factors of usage process and environment of the battery are taken into account. Moreover, when the above method is executed on-line, i.e., the SOH of the battery is estimated at a cloud server of the original equipment manufacturer by using the operating data transmitted by an in-vehicle network terminal, the original equipment manufacturer can dynamically grasp the battery health of the sold vehicles and dynamically monitor the battery usage of the users, and consequently provide after-sales and maintenance services, thus improving the user experience.