Article(id=1153780542022606914, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.01.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1684857600000, receivedDateStr=2023-05-24, revisedDate=1689177600000, revisedDateStr=2023-07-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1753012317423, onlineDateStr=2025-07-20, pubDate=1706112000000, pubDateStr=2024-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753012317423, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753012317423, creator=13701087609, updateTime=1753012317423, updator=13701087609, issue=Issue{id=1153780537878634558, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='1', pageStart='1', pageEnd='186', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753012316436, creator=13701087609, updateTime=1753067606853, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154012442750345936, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154012442750345937, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=161, endPage=169, ext={EN=ArticleExt(id=1153780542379122755, articleId=1153780542022606914, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research on Vehicle Diagnostic Trouble Code Decoupling Method Based on Multidimensional Association Rule, columnId=1149809889280750125, journalTitle=Automotive Engineering, columnName=Selected Papers, runingTitle=null, highlight=
A DTC decoupling method for complex coupling faults of vehicles is proposed in this paper. Firstly,by analyzing the complex association of DTCs through the principle of vehicle fault self-diagnosis and the propagation process of fault signals,the strong association relationship between DTCs is mined combined with the association rule technology and the multidimensional association rules of DTC are defined. Secondly,the FP-Growth algorithm for DTC multidimensional association rule mining is improved by the characteristics of the DTCs dataset. Finally,the DTC association knowledge graph is constructed by multidimensional association rules to realize complex DTCs decoupling by combining graph theory. The results show that this method can effectively reduce the number and complexity of DTCs,and improve the efficiency of troubleshooting faults based on DTCs.
, articleAbstract=
A DTC decoupling method for complex coupling faults of vehicles is proposed in this paper. Firstly, by analyzing the complex association of DTCs through the principle of vehicle fault selfdiagnosis and the propagation process of fault signals, the strong association relationship between DTCs is mined combined with the association rule technology and the multidimensional association rules of DTC are defined. Secondly, the FPGrowth algorithm for DTC multidimensional association rule mining is improved by the characteristics of the DTCs dataset. Finally, the DTC association knowledge graph is constructed by multidimensional association rules to realize complex DTCs decoupling by combining graph theory. The results show that this method can effectively reduce the number and complexity of DTCs, and improve the efficiency of troubleshooting faults based on DTCs.
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本文提出一种针对车辆复杂耦合故障的故障码(DTC)解耦方法。首先由车辆故障自诊断原理及故障信号传播过程分析故障码的复杂关联性,结合关联规则技术挖掘故障码间强关联关系,并定义故障码多维关联规则;其次由故障码数据集特征,改进适用于故障码多维关联规则挖掘的FP-Growth算法;最后由多维关联规则构建故障码关联知识图谱,结合图论实现复杂故障码解耦。结果表明,该方法能有效降低故障码的数量及复杂度,提升基于故障码检修故障的效率。
, articleAbstract=
本文提出一种针对车辆复杂耦合故障的故障码(DTC)解耦方法。首先由车辆故障自诊断原理及故障信号传播过程分析故障码的复杂关联性,结合关联规则技术挖掘故障码间强关联关系,并定义故障码多维关联规则;其次由故障码数据集特征,改进适用于故障码多维关联规则挖掘的FPGrowth算法;最后由多维关联规则构建故障码关联知识图谱,结合图论实现复杂故障码解耦。结果表明,该方法能有效降低故障码的数量及复杂度,提升基于故障码检修故障的效率。
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1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170305208568521616, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305208421720973, language=CN, stringName=胡杰, firstName=杰, middleName=null, lastName=胡, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170305208270726021, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, xref=1, ext=[AuthorCompanyExt(id=1170305208279114630, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070)])]), Author(id=1170305208644019090, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170305208753070996, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305208644019090, language=EN, stringName=Haihua Qing, firstName=Haihua, middleName=null, lastName=Qing, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170305208803402645, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305208644019090, language=CN, stringName=卿海华, firstName=海华, middleName=null, lastName=卿, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170305208270726021, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, xref=1, ext=[AuthorCompanyExt(id=1170305208279114630, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070), AuthorCompanyExt(id=1170305208287503239, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 武汉理工大学,现代汽车零部件技术湖北省重点实验室,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070)])]), Author(id=1170305208866317207, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170305208966980505, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305208866317207, language=EN, stringName=Min Wei, firstName=Min, middleName=null, lastName=Wei, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 SAIC General Wuling Automobile Co.,Ltd.,Liuzhou 545000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170305209050866586, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305208866317207, language=CN, stringName=魏敏, firstName=敏, middleName=null, lastName=魏, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170305209625486244, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305209382216609, language=CN, stringName=张潇, firstName=潇, middleName=null, lastName=张, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170305208270726021, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, xref=1, ext=[AuthorCompanyExt(id=1170305208279114630, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070), AuthorCompanyExt(id=1170305208287503239, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 武汉理工大学,现代汽车零部件技术湖北省重点实验室,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070)])]), Author(id=1170305209709372326, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170305209851978664, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305209709372326, language=EN, stringName=Lin Chen, firstName=Lin, middleName=null, lastName=Chen, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1170305209919087529, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, authorId=1170305209709372326, language=CN, stringName=陈林, firstName=林, middleName=null, lastName=陈, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1170305208270726021, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, xref=1, ext=[AuthorCompanyExt(id=1170305208279114630, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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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,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070)])])], keywords=[Keyword(id=1170305210061693866, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, orderNo=1, keyword=diagnostic trouble code (DTC)), Keyword(id=1170305210153968555, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, orderNo=2, keyword=decoupling), Keyword(id=1170305210254631852, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, orderNo=3, keyword=multidimensional association rule), Keyword(id=1170305210367878061, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, orderNo=4, keyword=knowledge graph), Keyword(id=1170305210548233134, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, orderNo=1, keyword=故障码), Keyword(id=1170305210795697071, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, orderNo=2, keyword=解耦), Keyword(id=1170305210997023664, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, orderNo=3, keyword=多维关联规则), Keyword(id=1170305211076715441, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, orderNo=4, keyword=知识图谱)], refs=[Reference(id=1170305214436352984, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=OLIVEIRA M F,LUDERS R. 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1 Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan 430070), AuthorCompanyExt(id=1170305208287503239, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208270726021, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 武汉理工大学,现代汽车零部件技术湖北省重点实验室,现代零部件技术湖北省协同创新中心,新能源与智能网联车湖北工程技术研究中心,武汉 430070)]), AuthorCompany(id=1170305208337834888, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, xref=2, ext=[AuthorCompanyExt(id=1170305208342029193, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, companyId=1170305208337834888, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 上汽通用五菱汽车股份有限公司,柳州 545000)])], figs=[ArticleFig(id=1170305211227710386, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=mVKUD06MLoD0bODs+8YE/g==, figureFileBig=HoYF6LlHCY56fhGDA9QVew==, tableContent=null), ArticleFig(id=1170305211299013555, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图1, caption=
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故障码多维关联规则挖掘及应用方案, figureFileSmall=KwAazoQkjan/FZHGzpp1/g==, figureFileBig=D2J2Gfycksk6i4O4NubDAg==, tableContent=null), ArticleFig(id=1170305211621974968, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=vg+ERSdSLIS7SibxaNSVag==, figureFileBig=iS1du9LAJ/Cm/wwB+dMUVg==, tableContent=null), ArticleFig(id=1170305211676500921, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图4, caption=
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故障码关联知识图谱模式层, figureFileSmall=QK0GF0RgKD6iz+R8ZuZyHg==, figureFileBig=9ni2tIS21zYdeuHUiqjJBg==, tableContent=null), ArticleFig(id=1170305212108514238, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=clw0HezmIafuNIX4nCGtjw==, figureFileBig=OiJK1i/HpB36+r0ZmkKrkg==, tableContent=null), ArticleFig(id=1170305212213371839, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图7, caption=
Neo4j故障码关联知识图谱查询窗口及可视化界面, figureFileSmall=clw0HezmIafuNIX4nCGtjw==, figureFileBig=OiJK1i/HpB36+r0ZmkKrkg==, tableContent=null), ArticleFig(id=1170305212355978176, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=9p0eoURm3AKsvmvhRGzbJQ==, figureFileBig=j9Z6V6GK1oztbjWre5zqQA==, tableContent=null), ArticleFig(id=1170305212435669953, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图8, caption=
故障码解耦原理, figureFileSmall=9p0eoURm3AKsvmvhRGzbJQ==, figureFileBig=j9Z6V6GK1oztbjWre5zqQA==, tableContent=null), ArticleFig(id=1170305212515361730, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=tvR0jXyQFDuGFLCCuiNDPA==, figureFileBig=SSFZ5kM5Tm/hBG4+3dm27g==, tableContent=null), ArticleFig(id=1170305212595053507, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图9, caption=
故障码解耦流程, figureFileSmall=tvR0jXyQFDuGFLCCuiNDPA==, figureFileBig=SSFZ5kM5Tm/hBG4+3dm27g==, tableContent=null), ArticleFig(id=1170305212678939588, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=UbSP3FzoZuIIzFNYIV2gRQ==, figureFileBig=+Ey8wOZT51oFUe+ssRqGew==, tableContent=null), ArticleFig(id=1170305212758631365, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图10, caption=
故障实例, figureFileSmall=UbSP3FzoZuIIzFNYIV2gRQ==, figureFileBig=+Ey8wOZT51oFUe+ssRqGew==, tableContent=null), ArticleFig(id=1170305212850906054, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=9OYIVjrs/6gFJvl5VjU78Q==, figureFileBig=HzEDQrQcXKnJ+T9sMeb4OQ==, tableContent=null), ArticleFig(id=1170305212959957959, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图11, caption=
所有数据、高频次数据各置信度阈值平均精简率, figureFileSmall=9OYIVjrs/6gFJvl5VjU78Q==, figureFileBig=HzEDQrQcXKnJ+T9sMeb4OQ==, tableContent=null), ArticleFig(id=1170305213043844040, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=1evBI7C7Tq17rYnHS6cBZg==, figureFileBig=EXEWlBP+cSe2jQGmboQWFQ==, tableContent=null), ArticleFig(id=1170305213140313033, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=图12, caption=
不同层次DTC集解耦效果, figureFileSmall=1evBI7C7Tq17rYnHS6cBZg==, figureFileBig=EXEWlBP+cSe2jQGmboQWFQ==, tableContent=null), ArticleFig(id=1170305213203227594, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 车型 | Ecu | 编码 | 状态 | 时间 | Vin |
| E… | BMS | U180187 | 当前 | 2022/6/6 9:00:58 | LK6… |
| E… | OBC | P1A2212 | 当前 | 2022/6/6 9:00:58 | LK6… |
| E… | BMS | P180516 | 历史 | 2022/6/6 8:59:36 | LK6… |
| E… | BMS | P181900 | 历史 | 2022/6/6 8:59:36 | LK6… |
| E… | IC | U1C0287 | 当前 | 2021/7/2 11:41:55 | LK6… |
| E… | ESP | C112224 | 当前 | 2021/7/2 11:41:55 | LK6… |
| E… | … | … | … | … | … |
), ArticleFig(id=1170305213312279499, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表1, caption=
故障车辆DTC清单初始格式
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| 车型 | Ecu | 编码 | 状态 | 时间 | Vin |
| E… | BMS | U180187 | 当前 | 2022/6/6 9:00:58 | LK6… |
| E… | OBC | P1A2212 | 当前 | 2022/6/6 9:00:58 | LK6… |
| E… | BMS | P180516 | 历史 | 2022/6/6 8:59:36 | LK6… |
| E… | BMS | P181900 | 历史 | 2022/6/6 8:59:36 | LK6… |
| E… | IC | U1C0287 | 当前 | 2021/7/2 11:41:55 | LK6… |
| E… | ESP | C112224 | 当前 | 2021/7/2 11:41:55 | LK6… |
| E… | … | … | … | … | … |
), ArticleFig(id=1170305213375194060, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 事务 数据 | DTC所属模块 |
| EPS | BMS | … | VCU |
| | C100016, C166001, U198081 | P110416, U007300 | … | U1D0087, B108D00, B101914 |
| | U198087 | P180616 | … | B104A00, B102811 |
| | U140287, C166001 | P182000, P110416 | … | —— |
| | C166001 | P182400 | … | B100016, B104800 |
| | U198087, C166001 | P180117, P182000, P182400 | … | B102A00, U1A1181, B101914 |
), ArticleFig(id=1170305213492634573, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表2, caption=
事务数据示例
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| 事务 数据 | DTC所属模块 |
| EPS | BMS | … | VCU |
| | C100016, C166001, U198081 | P110416, U007300 | … | U1D0087, B108D00, B101914 |
| | U198087 | P180616 | … | B104A00, B102811 |
| | U140287, C166001 | P182000, P110416 | … | —— |
| | C166001 | P182400 | … | B100016, B104800 |
| | U198087, C166001 | P180117, P182000, P182400 | … | B102A00, U1A1181, B101914 |
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| 节点属性 | 含义 |
| Father | 父节点 |
| Children | 子节点 |
| Count | 该分支节点频次 |
| nodeLink | 指向下一个分支相同节点 |
| | 节点在项头表的逆序索引值 |
), ArticleFig(id=1170305213639435215, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表3, caption=
改进后FP-Tree节点属性及含义
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| 节点属性 | 含义 |
| Father | 父节点 |
| Children | 子节点 |
| Count | 该分支节点频次 |
| nodeLink | 指向下一个分支相同节点 |
| | 节点在项头表的逆序索引值 |
), ArticleFig(id=1170305213719126992, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据量 | 原算法 /s | 改进后 /s | 速度提升/% |
| 2 000 | 6.74 | 2.25 | 66.70 |
| 4 000 | 7.91 | 3.94 | 50.18 |
| 6 000 | 8.23 | 4.76 | 42.16 |
| 8 000 | 16.01 | 5.30 | 66.90 |
| 10 000 | 内存溢出 | 11.43 | |
| 20 000 | 内存溢出 | 66.31 | |
), ArticleFig(id=1170305213782041553, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表4, caption=
算法改进前后挖掘所需频繁项集耗时
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| 数据量 | 原算法 /s | 改进后 /s | 速度提升/% |
| 2 000 | 6.74 | 2.25 | 66.70 |
| 4 000 | 7.91 | 3.94 | 50.18 |
| 6 000 | 8.23 | 4.76 | 42.16 |
| 8 000 | 16.01 | 5.30 | 66.90 |
| 10 000 | 内存溢出 | 11.43 | |
| 20 000 | 内存溢出 | 66.31 | |
), ArticleFig(id=1170305213861733330, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 节点属性 | 属性值 |
| <id> | 412 |
| name | B104B00 |
| 故障定义 | 电池包总电压状态——电压过低 |
| 所属模块 | VCU |
| 是否报文故障 | 否 |
| 发生频次 | 132 |
| 衍生DTC | B104A00、B104C00、B105C00、B107C00 |
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故障码节点属性值示例
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| 节点属性 | 属性值 |
| <id> | 412 |
| name | B104B00 |
| 故障定义 | 电池包总电压状态——电压过低 |
| 所属模块 | VCU |
| 是否报文故障 | 否 |
| 发生频次 | 132 |
| 衍生DTC | B104A00、B104C00、B105C00、B107C00 |
), ArticleFig(id=1170305214008533972, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| DTC | DTC含义 |
| B104B00 | 电池包总电压状态--电压过低 |
| B104C00 | 电池内部CAN总线异常 |
| B105C00 | 电池包温度传感器异常 |
| B107C00 | 电池包单体电压传感器异常 |
| B104A00 | 电池包告警级别--电池停车请求 |
| P183016 | 电池组总压低于4级告警门限值 |
| P191200 | 电池温度传感器故障 |
| B101311 | PTC1使能回路对地短路 |
), ArticleFig(id=1170305214071448533, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表6, caption=
相关DTC含义
, figureFileSmall=null, figureFileBig=null, tableContent=
| DTC | DTC含义 |
| B104B00 | 电池包总电压状态--电压过低 |
| B104C00 | 电池内部CAN总线异常 |
| B105C00 | 电池包温度传感器异常 |
| B107C00 | 电池包单体电压传感器异常 |
| B104A00 | 电池包告警级别--电池停车请求 |
| P183016 | 电池组总压低于4级告警门限值 |
| P191200 | 电池温度传感器故障 |
| B101311 | PTC1使能回路对地短路 |
), ArticleFig(id=1170305214151140310, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障代号 | 常见故障 | 频次 | 精简率R/% |
| I | 电池单体电压压差大 | 202 | 82.53 |
| II | 轮胎压力传感器故障 | 181 | 74.15 |
| III | 左前轮速传感器故障 | 156 | 69.51 |
| IV | 充电模块故障 | 57 | 58.13 |
| V | 电池单体温度过高 | 109 | 79.24 |
), ArticleFig(id=1170305214243414999, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780542022606914, language=CN, label=表7, caption=
车辆常见故障的DTC集解耦效果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障代号 | 常见故障 | 频次 | 精简率R/% |
| I | 电池单体电压压差大 | 202 | 82.53 |
| II | 轮胎压力传感器故障 | 181 | 74.15 |
| III | 左前轮速传感器故障 | 156 | 69.51 |
| IV | 充电模块故障 | 57 | 58.13 |
| V | 电池单体温度过高 | 109 | 79.24 |
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