Article(id=1157001741939069168, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.07.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1703606400000, receivedDateStr=2023-12-27, revisedDate=1709049600000, revisedDateStr=2024-02-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1753780311330, onlineDateStr=2025-07-29, pubDate=1721836800000, pubDateStr=2024-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753780311330, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753780311330, creator=13701087609, updateTime=1753780311330, updator=13701087609, issue=Issue{id=1157001740768858346, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='7', pageStart='1137', pageEnd='1334', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753780311052, creator=13701087609, updateTime=1756792480363, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169635694612853253, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169635694612853254, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1189, endPage=1196, ext={EN=ArticleExt(id=1157001742572409077, articleId=1157001741939069168, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research on Early Fault Diagnosis of Lithium Battery Based on WOA-VMD and Shannon Entropy, columnId=null, journalTitle=Automotive Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A lithium battery early fault diagnosis method based on WOA-VMD and Shannon entropy is proposed in this paper to solve the problem of current battery management systems being unable to diagnose early faults. Firstly, the whale optimization algorithm is introduced to optimize the parameters of the variational mode decomposition algorithm to improve its decomposition performance and obtain intrinsic mode function components containing more fault feature information. Then, the voltage signal of the individual battery is decomposed and reconstructed to reduce the impact of measurement noise and additional excitation voltage. Furthermore, a sliding window is used to calculate the Shannon entropy range of individual voltage and the overall Shannon entropy of individual voltage dispersion to set appropriate thresholds for early fault diagnosis. After verification with actual vehicle data, this method can provide fault warning about 10 minutes in advance without generating false warnings for vehicles without faults. It has strong robustness and reliability.
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针对当前电池管理系统无法诊断早期故障的问题,本文提出了一种基于WOA-VMD和香农熵的锂电池早期故障诊断方法。首先引入鲸鱼优化算法对变分模态分解算法进行参数寻优,提高变分模态分解算法的分解效果,使之分解得到包含更多故障特征信息的本征模态函数分量,再对单体电池电压信号进行分解重构,减少测量噪声和额外激励电压造成的影响。进而采用滑动窗口计算单体电压的香农熵极差和单体电压离差的总体香农熵,设置合适的阈值进行早期故障诊断。经过实际车辆数据验证,该方法可以提前10 min左右进行故障预警,且对于无故障车辆不会产生虚假预警,具有较强的鲁棒性和可靠性。
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1. Wuhan University of Technology,Hubei Key Laboratory of Modern Automotive Parts Technology,Wuhan 430070
2. Wuhan University of Technology,Hubei Collaborative Innovation Center for Automotive Parts Technology,Wuhan 430070
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2. 武汉理工大学,汽车零部件技术湖北省协同创新中心,武汉 430070
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1. Wuhan University of Technology,Hubei Key Laboratory of Modern Automotive Parts Technology,Wuhan 430070
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1. 武汉理工大学,现代汽车零部件技术湖北省重点实验室,武汉 430070
2. 武汉理工大学,汽车零部件技术湖北省协同创新中心,武汉 430070
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1. 武汉理工大学,现代汽车零部件技术湖北省重点实验室,武汉 430070)]), AuthorCompany(id=1157001949678752356, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, xref=2., ext=[AuthorCompanyExt(id=1157001949687140965, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, companyId=1157001949678752356, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2. 武汉理工大学,汽车零部件技术湖北省协同创新中心,武汉 430070)]), AuthorCompany(id=1157001949737472616, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, xref=3., ext=[AuthorCompanyExt(id=1157001949745861225, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, companyId=1157001949737472616, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 3, address=
1. Wuhan University of Technology,Hubei Key Laboratory of Modern Automotive Parts Technology,Wuhan 430070
2. Wuhan University of Technology,Hubei Collaborative Innovation Center for Automotive Parts Technology,Wuhan 430070
3. Hubei Engineering Technology Research Center for New Energy and Intelligent Connected Vehicles,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1157001950354035336, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, authorId=1157001950224011905, language=CN, stringName=余海, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1. 武汉理工大学,现代汽车零部件技术湖北省重点实验室,武汉 430070
2. 武汉理工大学,汽车零部件技术湖北省协同创新中心,武汉 430070
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1. 武汉理工大学,现代汽车零部件技术湖北省重点实验室,武汉 430070)]), AuthorCompany(id=1157001949678752356, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, xref=2., ext=[AuthorCompanyExt(id=1157001949687140965, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, companyId=1157001949678752356, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 3, address=
1. Wuhan University of Technology,Hubei Key Laboratory of Modern Automotive Parts Technology,Wuhan 430070
2. Wuhan University of Technology,Hubei Collaborative Innovation Center for Automotive Parts Technology,Wuhan 430070
3. Hubei Engineering Technology Research Center for New Energy and Intelligent Connected Vehicles,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1157001950546973329, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, authorId=1157001950416949898, language=CN, stringName=贾超明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2. 武汉理工大学,汽车零部件技术湖北省协同创新中心,武汉 430070
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4号车辆静置时无故障报警的单体电压, figureFileSmall=sD7xTVzwqj9Kw39dFvB+9w==, figureFileBig=k/GepYMxtOx7pG57plvE3w==, tableContent=null), ArticleFig(id=1157001961980646074, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=ZThOj/+YdZsUtb0o6Cnqcg==, figureFileBig=i9wW48bMa/rgM9ug9R35kA==, tableContent=null), ArticleFig(id=1157001962064532155, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图4, caption=
单体电池电压信号分解的8个分量, figureFileSmall=ZThOj/+YdZsUtb0o6Cnqcg==, figureFileBig=i9wW48bMa/rgM9ug9R35kA==, tableContent=null), ArticleFig(id=1157001962127446716, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=jBb3BdMEpzG4EI5kV51RLg==, figureFileBig=Da88XiWZlLHZ9ifl5l7GIg==, tableContent=null), ArticleFig(id=1157001962186166973, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图5, caption=
重构后的单体电池电压, figureFileSmall=jBb3BdMEpzG4EI5kV51RLg==, figureFileBig=Da88XiWZlLHZ9ifl5l7GIg==, tableContent=null), ArticleFig(id=1157001962270053054, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=aD7nX5YrrjgBWrbvFm+iMA==, figureFileBig=V2UFgVwcsbAQMWtlIYBwSA==, tableContent=null), ArticleFig(id=1157001962328773311, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图6, caption=
原始单体电池电压, figureFileSmall=aD7nX5YrrjgBWrbvFm+iMA==, figureFileBig=V2UFgVwcsbAQMWtlIYBwSA==, tableContent=null), ArticleFig(id=1157001962442019521, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=RA2Q6q595DmPnvN9z60swg==, figureFileBig=Ds6V41TSP6f2FXc+vuJbww==, tableContent=null), ArticleFig(id=1157001962517516994, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图7, caption=
4号车单体电池电压的香农熵, figureFileSmall=RA2Q6q595DmPnvN9z60swg==, figureFileBig=Ds6V41TSP6f2FXc+vuJbww==, tableContent=null), ArticleFig(id=1157001962613985987, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=T6qNm+D1GP8374FNL1qdvQ==, figureFileBig=x1na0165W7rUEzhQVCxTDA==, tableContent=null), ArticleFig(id=1157001962664317636, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图8, caption=
7号车单体电池电压的香农熵, figureFileSmall=T6qNm+D1GP8374FNL1qdvQ==, figureFileBig=x1na0165W7rUEzhQVCxTDA==, tableContent=null), ArticleFig(id=1157001962718843589, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=UAql5iHTJVLrdre0vYMOzw==, figureFileBig=QUKV31Z2u/K0F+Kw03G7BA==, tableContent=null), ArticleFig(id=1157001962773369542, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图9, caption=
5号车单体电池电压的香农熵, figureFileSmall=UAql5iHTJVLrdre0vYMOzw==, figureFileBig=QUKV31Z2u/K0F+Kw03G7BA==, tableContent=null), ArticleFig(id=1157001962827895495, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=uk5GjKIry8Y0/zKRcybmVQ==, figureFileBig=TgTIGShQYkNC0OOXPwetrQ==, tableContent=null), ArticleFig(id=1157001962882421448, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图10, caption=
基于香农熵和z分位数的电池故障诊断, figureFileSmall=uk5GjKIry8Y0/zKRcybmVQ==, figureFileBig=TgTIGShQYkNC0OOXPwetrQ==, tableContent=null), ArticleFig(id=1157001962941141705, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=s3Z1A124gSMhl14Ie0lxbw==, figureFileBig=ZlRe738WoeHjhV6ATbejMQ==, tableContent=null), ArticleFig(id=1157001962995667658, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=图11, caption=
基于WOA-VMD和香农熵的电池故障诊断, figureFileSmall=s3Z1A124gSMhl14Ie0lxbw==, figureFileBig=ZlRe738WoeHjhV6ATbejMQ==, tableContent=null), ArticleFig(id=1157001963045999307, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据字段名称 | 数据说明 |
| total_volt | 总电压/V |
| total_current | 总电流/A |
| cell_volt_list | 单体电池电压值列表 |
| cell_temp_list | 单体电池温度值列表 |
| max_cell_volt | 单体电池电压最高值/V |
| min_cell_volt | 单体电池电压最低值/V |
| alarm_info | 通用报警标志 |
| max_alarm_lvl | 最高报警等级 |
), ArticleFig(id=1157001963113108172, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=表1, caption=
数据部分参数
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| 数据字段名称 | 数据说明 |
| total_volt | 总电压/V |
| total_current | 总电流/A |
| cell_volt_list | 单体电池电压值列表 |
| cell_temp_list | 单体电池温度值列表 |
| max_cell_volt | 单体电池电压最高值/V |
| min_cell_volt | 单体电池电压最低值/V |
| alarm_info | 通用报警标志 |
| max_alarm_lvl | 最高报警等级 |
), ArticleFig(id=1157001963163439821, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 香农熵极差 | 总体香农熵 | 诊断结果 |
| | | 正常 |
| | 一级预警 |
| | |
| | 二级预警 |
), ArticleFig(id=1157001963234742990, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=表2, caption=
电池故障分级准则
, figureFileSmall=null, figureFileBig=null, tableContent=
| 香农熵极差 | 总体香农熵 | 诊断结果 |
| | | 正常 |
| | 一级预警 |
| | |
| | 二级预警 |
), ArticleFig(id=1157001963293463247, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障车辆 | 故障类型 | 预警时间 |
| 1号车 | 单体电池欠压 | 8 min 56 s |
| 2号车 | 单体电池过压 | 11 min 02 s |
| 6号车 | 车载储能装置过压 | 9 min 23 s |
| 7号车 | 单体电池欠压、电池单体一致性差 | 8 min 24 s |
), ArticleFig(id=1157001965306729168, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001741939069168, language=CN, label=表3, caption=
其他故障车辆预警结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障车辆 | 故障类型 | 预警时间 |
| 1号车 | 单体电池欠压 | 8 min 56 s |
| 2号车 | 单体电池过压 | 11 min 02 s |
| 6号车 | 车载储能装置过压 | 9 min 23 s |
| 7号车 | 单体电池欠压、电池单体一致性差 | 8 min 24 s |
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