Article(id=1244336748499682189, tenantId=1146029695717560320, journalId=1244311425741537314, issueId=1244336743298740932, articleNumber=null, orderNo=null, doi=10.16450/j.cnki.issn.1004-6801.2025.05.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676908800000, receivedDateStr=2023-02-21, revisedDate=1686067200000, revisedDateStr=2023-06-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1774602599501, onlineDateStr=2026-03-27, pubDate=1759248000000, pubDateStr=2025-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774602599501, onlineIssueDateStr=2026-03-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774602599501, creator=13701087609, updateTime=1774602599501, updator=13701087609, issue=Issue{id=1244336743298740932, tenantId=1146029695717560320, journalId=1244311425741537314, year='2025', volume='45', issue='5', pageStart='855', pageEnd='1056', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774602598261, creator=13701087609, updateTime=1774603435030, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1244340253042000577, tenantId=1146029695717560320, journalId=1244311425741537314, issueId=1244336743298740932, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1244340253042000578, tenantId=1146029695717560320, journalId=1244311425741537314, issueId=1244336743298740932, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=961, endPage=968, ext={EN=ArticleExt(id=1244336748801672091, articleId=1244336748499682189, tenantId=1146029695717560320, journalId=1244311425741537314, language=EN, title=Detection of Planetary Gearbox Weak Fault Based on Sparsity‑Guided IEWT‑MOMEDA, columnId=1244336744728998604, journalTitle=Journal of Vibration,Measurement and Diagnosis, columnName=PAPER, runingTitle=null, highlight=null, articleAbstract=
When early failures occur in planetary gearboxes,the weak fault features are difficult to extract and identify due to the interference of background noise in industrial environments and the attenuation of fault impacts in complex transmission paths. To address this issue,a sparse-guided improved empirical wavelet transform (IEWT) is proposed combined with multipoint optimal minimum entropy deconvolution adjusted (MOMEDA) method for weak fault feature extraction. Firstly,a new fault composite index (FCI) is introduced,and the original signal is adaptively decomposed into a set of IEWT components based on the amplitude envelope of the signal spectrum. Secondly,the sensitive components,selected through the sparse-guided method,are used as the sparse representation of the original weak fault signal. Finally,the MOMEDA technique is applied to the sensitive component signals to reduce signal noise and extract the weak fault feature frequencies for identification. The effectiveness of the proposed method is validated through simulations and experiments,successfully extracting and identifying the weak fault features of planetary gearboxes. This demonstrates that the method has good diagnostic performance for noisy,non-stationary,and non-linear fault signals in planetary gearboxes,providing a new approach for the diagnosis and identification of weak faults in engineering practice.
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行星齿轮箱出现早期故障时,由于工业环境的背景噪声干扰和故障冲击在复杂传递路径中衰减,其微弱故障特征难以有效提取和识别。针对此问题,提出了稀疏引导的改进经验小波变换(improved empirical wavelet transform,简称IEWT)结合多点最优最小熵解卷积(multipoint optimal minimum entropy deconvolution adjusted,简称MOMEDA)的微弱故障特征提取方法。首先,提出了一种新的故障综合指标(fault composite index,简称FCI),结合信号频谱的幅值包络线将原始信号自适应分解为一组IEWT分量;其次,通过稀疏引导方法选出敏感分量作为原始微弱故障信号的稀疏表示;最后,对敏感分量信号进行MOMEDA处理,降低信号噪声并提取微弱信号故障特征频率用于检测。仿真和实验结果表明,所提方法对含有噪声的非平稳非线性行星齿轮箱故障信号有良好的诊断效果,验证了该方法的有效性,为工程实践中行星齿轮箱弱故障的诊断和检测提供了一种方法。
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李宏坤,男,1974年9月生,博士、教授。主要研究方向为机械系统动态测控、微弱信号特征提取、故障诊断及可靠性分析。 E-mail:
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王子博,男,1996年12月生,硕士。主要研究方向为行星齿轮箱故障诊断和物联网的故障诊断应用。 E-mail:vanccipo@gmail.com
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王子博,男,1996年12月生,硕士。主要研究方向为行星齿轮箱故障诊断和物联网的故障诊断应用。 E-mail:vanccipo@gmail.com
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Diagram of IEWT spectrum division for sun gear fault simulation signal, figureFileSmall=8yLBcN+Ann42rlMJa29GiA==, figureFileBig=z3S782L+5JBFen93YKsf8w==, tableContent=null), ArticleFig(id=1244351843162243979, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图1, caption=
太阳轮故障仿真信号IEWT频带划分示意图, figureFileSmall=8yLBcN+Ann42rlMJa29GiA==, figureFileBig=z3S782L+5JBFen93YKsf8w==, tableContent=null), ArticleFig(id=1244351843317433232, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.2, caption=
Time-domain waveform of simulated signal, figureFileSmall=NH+TVHgsbyCNX+x/nskqHQ==, figureFileBig=PZZFzisGZonwFXHzq/G1oA==, tableContent=null), ArticleFig(id=1244351843413902227, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图2, caption=
仿真信号时域波形, figureFileSmall=NH+TVHgsbyCNX+x/nskqHQ==, figureFileBig=PZZFzisGZonwFXHzq/G1oA==, tableContent=null), ArticleFig(id=1244351843539731350, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.3, caption=
Comparison of IEWT and EWT spectrum division results for sun gear fault simulation signals, figureFileSmall=dubxGWqdM78ClUtqduxkVA==, figureFileBig=bCENsxQeFDhsC6Hq85wTvA==, tableContent=null), ArticleFig(id=1244351843615228827, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图3, caption=
太阳轮故障仿真信号IEWT与EWT频谱划分结果对比, figureFileSmall=dubxGWqdM78ClUtqduxkVA==, figureFileBig=bCENsxQeFDhsC6Hq85wTvA==, tableContent=null), ArticleFig(id=1244351843694920604, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.4, caption=
Simulated signal IEWT decomposition results, figureFileSmall=U+3M+8cjDQVmUi5M6Y5tEQ==, figureFileBig=f5/lN6wMuEYeVEM77L5pCg==, tableContent=null), ArticleFig(id=1244351843778806688, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图4, caption=
仿真信号IEWT分解结果, figureFileSmall=U+3M+8cjDQVmUi5M6Y5tEQ==, figureFileBig=f5/lN6wMuEYeVEM77L5pCg==, tableContent=null), ArticleFig(id=1244351843854304162, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.5, caption=
Processing results of simulated sun gear crack signal, figureFileSmall=Cw0YOQdbD6LT8nCQRuB9oA==, figureFileBig=yFM/3I6ScAuYeHv+ol1Uuw==, tableContent=null), ArticleFig(id=1244351843946578854, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图5, caption=
太阳轮裂纹故障仿真信号处理结果, figureFileSmall=Cw0YOQdbD6LT8nCQRuB9oA==, figureFileBig=yFM/3I6ScAuYeHv+ol1Uuw==, tableContent=null), ArticleFig(id=1244351844022076331, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.6, caption=
Diagram of the acquisition system and experimental platform, figureFileSmall=es/SCVLntarkvy/HyOxRSQ==, figureFileBig=e5y+jRnzrPHwdTVGfGxjHg==, tableContent=null), ArticleFig(id=1244351844097573805, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图6, caption=
采集系统和实验平台示意图, figureFileSmall=es/SCVLntarkvy/HyOxRSQ==, figureFileBig=e5y+jRnzrPHwdTVGfGxjHg==, tableContent=null), ArticleFig(id=1244351844181459890, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.7, caption=
Faulty parts of gear, figureFileSmall=+bVHS9ZrnhTEf9JfJqhbKQ==, figureFileBig=FOufC5ycO10QU1PHoozU5Q==, tableContent=null), ArticleFig(id=1244351844286317494, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图7, caption=
齿轮故障件, figureFileSmall=+bVHS9ZrnhTEf9JfJqhbKQ==, figureFileBig=FOufC5ycO10QU1PHoozU5Q==, tableContent=null), ArticleFig(id=1244351844395369401, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.8, caption=
Sun gear crack fault signal, figureFileSmall=uFnulC98mqfXMHnD5RAKfA==, figureFileBig=Uf2amT3NzIFYRh+MXC0Iaw==, tableContent=null), ArticleFig(id=1244351844462478269, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图8, caption=
太阳轮裂纹加速度信号, figureFileSmall=uFnulC98mqfXMHnD5RAKfA==, figureFileBig=Uf2amT3NzIFYRh+MXC0Iaw==, tableContent=null), ArticleFig(id=1244351844554752961, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.9, caption=
Results of sparse-guided IEWT processing of sun gear crack signal, figureFileSmall=hnr0NATjOml5UCMeIVRk/g==, figureFileBig=zpM8qJtkRMG2JDD8nTL+eA==, tableContent=null), ArticleFig(id=1244351844634444743, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图9, caption=
稀疏引导IEWT处理太阳轮裂纹信号结果, figureFileSmall=hnr0NATjOml5UCMeIVRk/g==, figureFileBig=zpM8qJtkRMG2JDD8nTL+eA==, tableContent=null), ArticleFig(id=1244351844726719436, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.10, caption=
MOMEDA extract sun gear crack fault result, figureFileSmall=Fu6TlFpy0Bynzf6xTUOotg==, figureFileBig=RqZQ3jj3+CUPDa2y4f1WMg==, tableContent=null), ArticleFig(id=1244351844852548561, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图10, caption=
MOMEDA提取太阳轮裂纹故障结果, figureFileSmall=Fu6TlFpy0Bynzf6xTUOotg==, figureFileBig=RqZQ3jj3+CUPDa2y4f1WMg==, tableContent=null), ArticleFig(id=1244351844932240341, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.11, caption=
Planetary gear crack fault signal, figureFileSmall=nSwUrRM7BmyHNVmTlyElsg==, figureFileBig=NmOCHce6BpG/BZu80aL5xw==, tableContent=null), ArticleFig(id=1244351845003543514, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图11, caption=
行星轮裂纹故障信号, figureFileSmall=nSwUrRM7BmyHNVmTlyElsg==, figureFileBig=NmOCHce6BpG/BZu80aL5xw==, tableContent=null), ArticleFig(id=1244351845083235294, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.12, caption=
Results of sparse-guided IEWT processing of planetary gear crack signal, figureFileSmall=2La6S6zzaZl5gfJPo3Qbqg==, figureFileBig=jtz1qTlfbpEnVyCE6kbm+Q==, tableContent=null), ArticleFig(id=1244351845162927073, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图12, caption=
稀疏引导IEWT处理行星轮裂纹信号结果, figureFileSmall=2La6S6zzaZl5gfJPo3Qbqg==, figureFileBig=jtz1qTlfbpEnVyCE6kbm+Q==, tableContent=null), ArticleFig(id=1244351845238424549, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Fig.13, caption=
MOMEDA extract planetary gear crack fault result, figureFileSmall=cQSdBPy2ablaY7s7M8IwGw==, figureFileBig=RNc3k45A9RPYlkZSYKhh/Q==, tableContent=null), ArticleFig(id=1244351845313922025, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=图13, caption=
MOMEDA提取行星轮裂纹故障结果, figureFileSmall=cQSdBPy2ablaY7s7M8IwGw==, figureFileBig=RNc3k45A9RPYlkZSYKhh/Q==, tableContent=null), ArticleFig(id=1244351845393613806, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Tab.1, caption=
Gear parameters of gearbox
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), ArticleFig(id=1244351845477499890, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=表1, caption=
齿轮箱齿轮齿数
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), ArticleFig(id=1244351845582357493, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=EN, label=Tab.2, caption=
Fault characteristic frequencies of gearbox
, figureFileSmall=null, figureFileBig=null, tableContent=
| 太阳轮 | 行星轮 | 啮合频率 | 输入转频 |
|---|
| 78.75 | 8.75 | 341.25 | 30 |
), ArticleFig(id=1244351845653660666, tenantId=1146029695717560320, journalId=1244311425741537314, articleId=1244336748499682189, language=CN, label=表2, caption=
齿轮箱故障特征频率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 太阳轮 | 行星轮 | 啮合频率 | 输入转频 |
|---|
| 78.75 | 8.75 | 341.25 | 30 |
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