Article(id=1204385692785811572, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385692009870183, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20220244, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=1652198400000, revisedDateStr=2022-05-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1765077525563, onlineDateStr=2025-12-07, pubDate=1684857600000, pubDateStr=2023-05-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765077525563, onlineIssueDateStr=2025-12-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765077525563, creator=13701087609, updateTime=1765077525563, updator=13701087609, issue=Issue{id=1204385692009870183, tenantId=1146029695717560320, journalId=1189621681917173762, year='2023', volume='', issue='5', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765077525378, creator=13701087609, updateTime=1765079144073, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1204392481388470847, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385692009870183, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1204392481388470848, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385692009870183, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=15, endPage=24, ext={EN=ArticleExt(id=1204385693008109686, articleId=1204385692785811572, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Noise Source Identification of Electric Drive Assembly Based on RVMD-RobustICA-ST Combined with Coherence Analysis, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to study the noise source characteristics of integrated electric drive assembly, this paper proposed a joint algorithm of RVMD-RobustICA-ST combined with coherence analysis method. Firstly, the spatial dimension of the noise was estimated by Rule of Dominant Eigenvalues(RDE) based on Singular Value Decomposition(SVD), and the variational modal decomposition was subjected to targeted conditional constraints, and then Robust Independent Component Analysis(RobustICA) combined with variational modal decomposition to extract signal features. Secondly, S Transform and Fast Fourier Transform were used to identify the time-frequency characteristics of each component signal. Finally, on the basis of analyzing the waveform error of the component signal using the quadratic residual method, a linear system was established with the vibration signal, noise signal, and time-frequency overlapping component signal of the electric drive assembly as variables for coherence analysis. The results show that the meshing vibration noise of the second gear pair of the reducer has the greatest contribution to the noise of the electric drive assembly under steady state conditions, and the noise energy of the time-frequency overlapping component signal is mainly provided by the meshing vibration of the first gear pair of the reducer.
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为研究集成一体化电驱动总成的噪声源特性,提出一种RVMD-RobustICA-ST联合算法融合相干性分析的噪声源识别方法。首先,采用基于奇异值分解的占优特征值准则估计噪声子空间维数对变分模态分解参数进行指向性条件约束,并利用鲁棒性独立分量分析联合占优特征值约束的变分模态分解对信号特征进行提取。然后,利用S变换和快速傅里叶变换对各分量信号时频特性进行识别。最后,在二次残差法分析分量信号波形误差度基础上,以电驱动总成振动信号、噪声信号、时频重叠分量信号为变量建立线性系统并进行相干性分析。结果表明,稳态工况下减速二级齿副啮合振动噪声对该电驱动总成噪声贡献度最大,且时频重叠分量信号的噪声能量主要由减速一级齿副啮合振动提供。
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1 Tianjin Key Laboratory of Power Transmission and Safety Technology for New Energy Vehicles, Hebei University of Technology, Tianjin 300400, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1204452620099367378, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, authorId=1204452619839320505, language=CN, stringName=张威, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 河北工业大学,天津市新能源汽车动力传动与安全技术重点实验室,天津 300400)])]), Author(id=1204452620216807904, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=okjgx@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1204452620367802868, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, authorId=1204452620216807904, language=EN, stringName=Guoxi Jing, firstName=Guoxi, middleName=null, lastName=Jing, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 河北工业大学,天津市新能源汽车动力传动与安全技术重点实验室,天津 300400)])]), Author(id=1204452620665598480, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, 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=1204452620812399139, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, authorId=1204452620665598480, language=EN, stringName=Zhengrui Yang, firstName=Zhengrui, middleName=null, lastName=Yang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 CATARC (Tianjin) Automotive Engineering Research Institute Co., Ltd., Tianjin 300300
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2 中汽研(天津)汽车工程研究院有限公司,天津 300300
3 中国汽车技术研究中心有限公司,天津 300300, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1204452619570885016, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, xref=2, ext=[AuthorCompanyExt(id=1204452619591856538, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, companyId=1204452619570885016, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 中汽研(天津)汽车工程研究院有限公司,天津 300300)]), AuthorCompany(id=1204452619730268584, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, xref=3, ext=[AuthorCompanyExt(id=1204452619747045804, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, companyId=1204452619730268584, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 中国汽车技术研究中心有限公司,天津 300300)])]), Author(id=1204452621147943495, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, orderNo=3, 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=1204452621277966933, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, authorId=1204452621147943495, language=EN, stringName=Hui Gao, firstName=Hui, middleName=null, lastName=Gao, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 CATARC (Tianjin) Automotive Engineering Research Institute Co., Ltd., Tianjin 300300
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2 中汽研(天津)汽车工程研究院有限公司,天津 300300
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3 中国汽车技术研究中心有限公司,天津 300300)])]), Author(id=1204452621525430895, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, orderNo=4, 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=1204452621663842942, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, authorId=1204452621525430895, language=EN, stringName=Dong Wang, firstName=Dong, middleName=null, lastName=Wang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 CATARC (Tianjin) Automotive Engineering Research Institute Co., Ltd., Tianjin 300300
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2 中汽研(天津)汽车工程研究院有限公司,天津 300300
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各振动信号与噪声信号相干性, figureFileSmall=yxhqJJjSlOdGEbfzwPqtgA==, figureFileBig=PVHa2z52OKlGTcajUS1V6A==, tableContent=null), ArticleFig(id=1204452629561717155, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
主特征 值比 | k=5层 | k=6层 | k=7层 | k=8层 | k=9层 | k=10层 |
| γ1 | 1.999 4 | 1.999 3 | 1.997 5 | 1.943 0 | 1.753 9 | 1.417 8 |
| γ2 | 2.000 5 | 2.717 2 | 2.000 4 | 2.000 4 | 2.629 1 | 2.001 1 |
| γ3 | 1.997 5 | 1.470 6 | 1.999 7 | 1.999 7 | 1.602 5 | 1.998 9 |
| γ4 | 1.001 2 | 1.001 1 | 1.157 3 | 1.255 9 | 1.256 1 | 1.601 4 |
| γ5 | | 58.687 3 | 4.125 8 | 2.915 4 | 3.188 4 | 4.050 1 |
| γ6 | | | 5.692 3 | 1.935 8 | 6.638 1 | 3.032 8 |
| γ7 | | | | 4.826 7 | 1.114 7 | 1.133 1 |
| γ8 | | | | | 1.418 9 | 1.669 5 |
| γ9 | | | | | | 5.909 7 |
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不同参数VMD分解γk对比数据
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主特征 值比 | k=5层 | k=6层 | k=7层 | k=8层 | k=9层 | k=10层 |
| γ1 | 1.999 4 | 1.999 3 | 1.997 5 | 1.943 0 | 1.753 9 | 1.417 8 |
| γ2 | 2.000 5 | 2.717 2 | 2.000 4 | 2.000 4 | 2.629 1 | 2.001 1 |
| γ3 | 1.997 5 | 1.470 6 | 1.999 7 | 1.999 7 | 1.602 5 | 1.998 9 |
| γ4 | 1.001 2 | 1.001 1 | 1.157 3 | 1.255 9 | 1.256 1 | 1.601 4 |
| γ5 | | 58.687 3 | 4.125 8 | 2.915 4 | 3.188 4 | 4.050 1 |
| γ6 | | | 5.692 3 | 1.935 8 | 6.638 1 | 3.032 8 |
| γ7 | | | | 4.826 7 | 1.114 7 | 1.133 1 |
| γ8 | | | | | 1.418 9 | 1.669 5 |
| γ9 | | | | | | 5.909 7 |
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| 参数 | 取值 | 参数 | 取值 |
| 半消声室截止频率/Hz | 50 | 负载额定扭矩/N·m | 4 000 |
| 半消声室背景噪声/dB | 16 | 负载最高转速/r·min-1 | 3 000 |
| 负载额定功率/kW | 355 | | |
), ArticleFig(id=1204452629985341898, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, language=CN, label=表2, caption=
动力传动半消声室技术参数
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| 参数 | 取值 | 参数 | 取值 |
| 半消声室截止频率/Hz | 50 | 负载额定扭矩/N·m | 4 000 |
| 半消声室背景噪声/dB | 16 | 负载最高转速/r·min-1 | 3 000 |
| 负载额定功率/kW | 355 | | |
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| 噪声信号 | 分量信号主频/Hz | VQM |
| 减速器二级齿轮副啮合噪声信号 | 749 | -0.219 0 |
| 1 499 | -0.263 7 |
| 2 244 | -0.108 6 |
| 2 991 | -0.177 0 |
| 驱动电机电磁噪声信号 | 2 409 | -0.155 2 |
| 3 212 | -0.094 3 |
| 减速器一级齿轮副啮合噪声信号 | 6 018 | -0.054 6 |
| 开关频率噪声信号 | 10 291 | -0.045 1 |
| 时频重叠噪声信号 | 4 017 | -0.029 4 |
), ArticleFig(id=1204452630220222950, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385692785811572, language=CN, label=表3, caption=
各分量信号VQM
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| 噪声信号 | 分量信号主频/Hz | VQM |
| 减速器二级齿轮副啮合噪声信号 | 749 | -0.219 0 |
| 1 499 | -0.263 7 |
| 2 244 | -0.108 6 |
| 2 991 | -0.177 0 |
| 驱动电机电磁噪声信号 | 2 409 | -0.155 2 |
| 3 212 | -0.094 3 |
| 减速器一级齿轮副啮合噪声信号 | 6 018 | -0.054 6 |
| 开关频率噪声信号 | 10 291 | -0.045 1 |
| 时频重叠噪声信号 | 4 017 | -0.029 4 |
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