Method and device for estimating residual life of vehicle-mounted battery pack and storage medium

Method and device for estimating residual life of vehicle-mounted battery pack and storage medium

The invention discloses a method and device for estimating the residual life of a vehicle-mounted battery pack and a storage medium, and the method comprises the steps: obtaining the state parameters of the whole life cycle of a single battery cell in a battery pack through a BMS (Battery Management...

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Hauptverfasser: HU XING, WU MING, ZHOU DAOWU, JIANG TAO, ZHU YUANSHENG, YANG LIN, RUAN SHENRUI
Format: Patent
Sprache:chi ; eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator HU XING
WU MING
ZHOU DAOWU
JIANG TAO
ZHU YUANSHENG
YANG LIN
RUAN SHENRUI
description The invention discloses a method and device for estimating the residual life of a vehicle-mounted battery pack and a storage medium, and the method comprises the steps: obtaining the state parameters of the whole life cycle of a single battery cell in a battery pack through a BMS (Battery Management System) of the vehicle-mounted battery pack, taking the state parameters as first data, and selecting a plurality of battery cells as observation battery cells; determining initial m-time and staged m-time charge-discharge cycle data of the plurality of observation battery cells as second data based on the first data; processing the second data to obtain a three-dimensional data table; training a pre-established estimation neural network model by using the plurality of three-dimensional data tables until convergence; and obtaining a three-dimensional data table correspondingly generated by initial m times of charge-discharge cycle data and latest m times of charge-discharge cycle data of a plurality of observation
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Method and device for estimating residual life of vehicle-mounted battery pack and storage medium
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