CN112601968A - 用于48v轻混汽车锂离子电池的荷电状态在线估算系统 - Google Patents

用于48v轻混汽车锂离子电池的荷电状态在线估算系统 Download PDF

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Publication number
CN112601968A
CN112601968A CN201980034166.6A CN201980034166A CN112601968A CN 112601968 A CN112601968 A CN 112601968A CN 201980034166 A CN201980034166 A CN 201980034166A CN 112601968 A CN112601968 A CN 112601968A
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China
Prior art keywords
state
soc
estimation
value
covariance
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CN201980034166.6A
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English (en)
Inventor
王元
林双
冷枫
单颖会
尹求实
李开元
贺中捷
董书岭
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Omnipotent Zhike Technology Co ltd
Zibo Torch Energy Co ltd
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Omnipotent Zhike Technology Co ltd
Zibo Torch Energy 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]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • 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]
    • 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
    • G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

一种用于48V轻混汽车锂离子电池的荷电状态在线估算系统，属于混合动力汽车锂离子电池技术领域。本系统包括两个主要组成部分，第一部分为开路电压特性调节系统和等效电路模型参数校准调节系统，这两个系统可以根据环境温度对开路电压的数值与等效电路模型的参数进行精确校准，以降低由温度变化引起的模型的误差；第二部分为SOC在线估算的实现，噪声统计特性、滤波器增益自适应和递归式状态估计系统，这两个系统能够提高SOC在线估算的鲁棒性与精度。该系统能够在轻混汽车典型循环工况下对SOC实现高精度，高鲁棒性的在线估算。

Description

PCT国内申请，说明书已公开。

Claims (9)

  1. PCT国内申请，权利要求书已公开。
CN201980034166.6A 2019-08-27 2019-08-27 用于48v轻混汽车锂离子电池的荷电状态在线估算系统 Pending CN112601968A (zh)

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PCT/CN2019/102657 WO2021035500A1 (zh) 2019-08-27 2019-08-27 用于48v轻混汽车锂离子电池的荷电状态在线估算系统

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113495214A (zh) * 2021-05-25 2021-10-12 四川轻化工大学 一种基于温度变化模型的超级电容荷电状态估计方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113496009B (zh) * 2021-06-28 2023-07-28 北京控制工程研究所 卫星太阳光压力矩高精度在线估计方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103675706A (zh) * 2013-12-13 2014-03-26 桂林电子科技大学 一种动力电池电荷量估算方法
CN104569835A (zh) * 2014-12-16 2015-04-29 北京理工大学 一种估计电动汽车的动力电池的荷电状态的方法
CN106054081A (zh) * 2016-06-17 2016-10-26 合肥工业大学智能制造技术研究院 一种用于电动汽车动力电池soc估计的锂电池建模方法
CN106324521A (zh) * 2016-09-05 2017-01-11 北京理工大学 一种联合估计动力电池系统参数与荷电状态的方法
CN108445408A (zh) * 2018-03-20 2018-08-24 重庆大学 一种基于参数估计ocv的全温度soc估计方法
CN108594135A (zh) * 2018-06-28 2018-09-28 南京理工大学 一种用于锂电池均衡充放电控制的soc估算方法
CN108761340A (zh) * 2018-05-31 2018-11-06 天津工业大学 基于噪声干扰的强跟踪容积卡尔曼滤波的电池估算方法
US20200003841A1 (en) * 2017-09-07 2020-01-02 Lg Chem, Ltd. Apparatus and method for estimating a state of charge of a battery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107589379A (zh) * 2017-08-30 2018-01-16 电子科技大学 一种在线估计锂电池soc和阻抗的方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103675706A (zh) * 2013-12-13 2014-03-26 桂林电子科技大学 一种动力电池电荷量估算方法
CN104569835A (zh) * 2014-12-16 2015-04-29 北京理工大学 一种估计电动汽车的动力电池的荷电状态的方法
CN106054081A (zh) * 2016-06-17 2016-10-26 合肥工业大学智能制造技术研究院 一种用于电动汽车动力电池soc估计的锂电池建模方法
CN106324521A (zh) * 2016-09-05 2017-01-11 北京理工大学 一种联合估计动力电池系统参数与荷电状态的方法
US20200003841A1 (en) * 2017-09-07 2020-01-02 Lg Chem, Ltd. Apparatus and method for estimating a state of charge of a battery
CN108445408A (zh) * 2018-03-20 2018-08-24 重庆大学 一种基于参数估计ocv的全温度soc估计方法
CN108761340A (zh) * 2018-05-31 2018-11-06 天津工业大学 基于噪声干扰的强跟踪容积卡尔曼滤波的电池估算方法
CN108594135A (zh) * 2018-06-28 2018-09-28 南京理工大学 一种用于锂电池均衡充放电控制的soc估算方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113495214A (zh) * 2021-05-25 2021-10-12 四川轻化工大学 一种基于温度变化模型的超级电容荷电状态估计方法

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