CN115943516A - 车辆电池失衡的检测方法、装置、电子设备及存储介质 - Google Patents

车辆电池失衡的检测方法、装置、电子设备及存储介质 Download PDF

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CN115943516A
CN115943516A CN202280003175.0A CN202280003175A CN115943516A CN 115943516 A CN115943516 A CN 115943516A CN 202280003175 A CN202280003175 A CN 202280003175A CN 115943516 A CN115943516 A CN 115943516A
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value
battery voltage
battery
vehicle
unbalance
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CN115943516B (zh
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胡道
张轶珍
许永刚
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Guangzhou Automobile Group Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G06N20/20—Ensemble learning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N5/00—Computing arrangements using knowledge-based models
    • G06N5/01—Dynamic search techniques; Heuristics; Dynamic trees; Branch-and-bound
    • G—PHYSICS
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    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • G06N7/01—Probabilistic graphical models, e.g. probabilistic networks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种车辆电池失衡的检测方法和系统，所述方法包括：获取目标车辆类型在预设时间段内的多个原始车辆数据；根据所述多个原始车辆数据中的数据类型和数值范围将所述多个原始车辆数据分组成预定数量的多个桶；根据每个桶中的多个原始车辆数据确定所述桶的桶位电池电压观测失衡值；根据定义的桶参数构建机器学习模型，以预测各桶的桶位电池电压失衡值；确定每个桶的所述桶位电池电压观测失衡值和桶位电池电压预测失衡值之间的差值，得到多个未计入的桶位电池电压失衡值；根据多个所述未计入的桶位电池电压失衡值的加权平均值确定所述目标车辆类型是否存在电池失衡的高风险。

Description

PCT国内申请，说明书已公开。

Claims (36)

  1. PCT国内申请，权利要求书已公开。
CN202280003175.0A 2021-06-01 2022-03-09 车辆电池失衡的检测方法、装置、电子设备及存储介质 Active CN115943516B (zh)

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US17/335,604 US20220381848A1 (en) 2021-06-01 2021-06-01 Method and system for detecting vehicle battery cell imbalance
US17/335,604 2021-06-01
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CN116087814B (zh) * 2023-01-28 2023-11-10 上海玫克生储能科技有限公司 一种提高电压采样精度的方法、装置及电子设备
CN117169753B (zh) * 2023-11-03 2024-03-08 合肥国轩高科动力能源有限公司 串联电池的电连接件参数确定方法、装置及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237795A (zh) * 2013-06-11 2014-12-24 福特全球技术公司 通过相同电压传感器测量多个电池单元的失衡探测
CN111416397A (zh) * 2019-01-07 2020-07-14 广州汽车集团股份有限公司 电池均衡方法及装置、控制设备、计算机可读存储介质
CN111612205A (zh) * 2019-02-25 2020-09-01 丰田研究所股份有限公司 用于针对驾驶路线确定目标电池充电水平的系统和方法
CN111999656A (zh) * 2020-08-28 2020-11-27 广州小鹏汽车科技有限公司 车辆电池内短路的检测方法、检测装置和电子设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267865B1 (en) * 1997-05-02 2001-07-31 3M Innovative Properties Company Electrochemical fluorination using interrupted current
JP4830382B2 (ja) * 2005-07-19 2011-12-07 日産自動車株式会社 二次電池の充電率推定装置
JP2013029407A (ja) * 2011-07-28 2013-02-07 Seiko Instruments Inc 電子機器および電子時計
JPWO2014083856A1 (ja) * 2012-11-30 2017-01-05 三洋電機株式会社 電池管理装置、電源装置およびｓｏｃ推定方法
JPWO2014185163A1 (ja) * 2013-05-16 2017-02-23 日本電気株式会社 電池状態推定装置、電池状態管理システム、電池、電池状態推定方法、及び、プログラム
CN104037821A (zh) * 2013-08-26 2014-09-10 上海明华电力技术工程有限公司 一种蓄电池组在线实时电压平衡管理系统及方法
US10101402B2 (en) * 2016-05-31 2018-10-16 GM Global Technology Operations LLC Estimation of battery power capability in a torque-generating system
KR102308629B1 (ko) * 2016-08-02 2021-10-05 삼성에스디아이 주식회사 배터리 팩 및 이를 포함하는 에너지 저장 시스템
US11087252B2 (en) * 2016-08-16 2021-08-10 Teleport Mobility, Inc. Interactive real time system and real time method of use thereof in conveyance industry segments
US10223501B1 (en) * 2017-03-24 2019-03-05 Concert Genetics, Inc. Systems and methods for tracking, monitoring, and standardizing molecular and diagnostic testing products and services
CN109061479B (zh) * 2018-06-15 2020-11-17 郑州正方科技有限公司 一种电池组失衡度分析方法及充电装置
CN110851943B (zh) * 2018-08-01 2024-02-06 北京京东尚科信息技术有限公司 一种电池充电性能的建模方法和装置
US11495976B2 (en) * 2019-10-01 2022-11-08 Samsung Sdi Co., Ltd. Battery system and method for controlling battery system
CN112748343B (zh) * 2019-10-31 2023-04-28 北京新能源汽车股份有限公司 一种动力电池功率边界的检测方法、装置及电动汽车
CN111413629B (zh) * 2020-02-24 2024-02-02 上海蔚来汽车有限公司 动力电池内单体电池的短路监测方法、系统以及装置
CN112505550B (zh) * 2020-11-26 2022-06-07 重庆长安汽车股份有限公司 一种动力电池监控预警方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237795A (zh) * 2013-06-11 2014-12-24 福特全球技术公司 通过相同电压传感器测量多个电池单元的失衡探测
CN111416397A (zh) * 2019-01-07 2020-07-14 广州汽车集团股份有限公司 电池均衡方法及装置、控制设备、计算机可读存储介质
CN111612205A (zh) * 2019-02-25 2020-09-01 丰田研究所股份有限公司 用于针对驾驶路线确定目标电池充电水平的系统和方法
CN111999656A (zh) * 2020-08-28 2020-11-27 广州小鹏汽车科技有限公司 车辆电池内短路的检测方法、检测装置和电子设备

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