Article(id=1228282198479012676, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1228282191159952029, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.10.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1705334400000, receivedDateStr=2024-01-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1770774896497, onlineDateStr=2026-02-11, pubDate=1760457600000, pubDateStr=2025-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770774896497, onlineIssueDateStr=2026-02-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770774896497, creator=13701087609, updateTime=1770774896497, updator=13701087609, issue=Issue{id=1228282191159952029, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='10', pageStart='1', pageEnd='157', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1770774894751, creator=13701087609, updateTime=1770775890381, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228286367227118244, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1228282191159952029, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228286367227118245, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1228282191159952029, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=26, endPage=35, ext={EN=ArticleExt(id=1228282199934436185, articleId=1228282198479012676, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Application research on fault diagnosis of double fed wind turbine bearings based on improved generative adversarial networks, columnId=1228282191914926752, journalTitle=Journal of Mechanical Strength, columnName=Vibration·Noise·Monitoring·Diagnosis, runingTitle=null, highlight=null, articleAbstract=
Aiming at the problem of the low fault diagnosis accuracy caused by the lack of fault samples for the rolling bearings of doubly fed wind turbines under normal conditions for a long time, an improved generative adversarial network fault diagnosis method based on expanding high-quality fault samples and using dual feature extraction was proposed. Firstly,a finite number of rolling bearing fault samples were expanded through a Wasserstein type generative adversarial network with maximum mean discrepancy and penalty constraints. Secondly, based on the dual feature extraction model, the time-frequency converted temporal features and local features were extracted separately. Finally, the fault diagnosis of the rolling bearing balance data was completed through a classifier. The standard dataset and test results show that the proposed method improves the fault diagnosis performance while lacking fault samples.
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针对双馈风力发电机组滚动轴承长期处于正常情况下缺少故障样本导致的数据不平衡、故障诊断精度低下的问题,提出一种基于扩充高质量故障样本并使用双特征提取的改进生成对抗网络故障诊断方法。首先,将有限个滚动轴承故障样本通过最大均值差异与含惩罚项约束下的沃瑟斯坦(Wasserstein)式生成对抗网络完成故障样本扩充;其次,基于双特征提取模型的方法分别对经时频转换后的时序特征与局部特征进行提取;最后,通过分类器完成滚动轴承平衡数据的故障诊断。标准数据集以及试验结果表明,所提方法故障诊断性能在缺少故障样本的同时也有所提高。
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胡伟钧,男,1998年生,四川广安人,硕士研究生;主要研究方向为机械装备传动链关键部件数模驱动下的状态辨识;E-mail:huweijun1998@163.com。
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胡伟钧,男,1998年生,四川广安人,硕士研究生;主要研究方向为机械装备传动链关键部件数模驱动下的状态辨识;E-mail:huweijun1998@163.com。
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3.中车株洲电力机车有限公司,株洲 412001)])], figs=[ArticleFig(id=1228293055430722511, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.1, caption=
Structure of the MWGAN-GP, figureFileSmall=pc4su+vgSUPMDYsg8ZRbLg==, figureFileBig=u365Dv1g1WqGwF/twwqQqw==, tableContent=null), ArticleFig(id=1228293055502025680, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图1, caption=
MWGAN-GP结构, figureFileSmall=pc4su+vgSUPMDYsg8ZRbLg==, figureFileBig=u365Dv1g1WqGwF/twwqQqw==, tableContent=null), ArticleFig(id=1228293055594300369, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.2, caption=
Flow chart of MWGAN-GP, figureFileSmall=m6C5LZRjKfL1fFPCwbVitQ==, figureFileBig=Tuw0ajKs/qQmQbDdvgQM9w==, tableContent=null), ArticleFig(id=1228293055678186450, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图2, caption=
MWGAN-GP的流程图, figureFileSmall=m6C5LZRjKfL1fFPCwbVitQ==, figureFileBig=Tuw0ajKs/qQmQbDdvgQM9w==, tableContent=null), ArticleFig(id=1228293055766266835, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.3, caption=
Time domain comparison between the generated data of faulty bearings and the original data, figureFileSmall=Nj0qS+IdC+nmpzF55SE3vw==, figureFileBig=PLIIK4+JXnBAE6ew6mSGKA==, tableContent=null), ArticleFig(id=1228293055841764308, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图3, caption=
故障轴承生成数据与原始数据时域对比, figureFileSmall=Nj0qS+IdC+nmpzF55SE3vw==, figureFileBig=PLIIK4+JXnBAE6ew6mSGKA==, tableContent=null), ArticleFig(id=1228293055921456085, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.4, caption=
Confusion matrix of BiGRU-1D-CNN model, figureFileSmall=V4WtPnPSLBCXM4jmORzPgg==, figureFileBig=P/feLEiY8FDhTFjCs+hfGA==, tableContent=null), ArticleFig(id=1228293055975982038, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图4, caption=
BiGRU-1D-CNN模型混淆矩阵, figureFileSmall=V4WtPnPSLBCXM4jmORzPgg==, figureFileBig=P/feLEiY8FDhTFjCs+hfGA==, tableContent=null), ArticleFig(id=1228293056055673815, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.5, caption=
Confusion matrix of 1D-CNN model, figureFileSmall=eVSaDw4BoMS8Z2M+2pGeng==, figureFileBig=89xS18uokwx7r98GkIxSrA==, tableContent=null), ArticleFig(id=1228293056122782680, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图5, caption=
1D-CNN模型混淆矩阵, figureFileSmall=eVSaDw4BoMS8Z2M+2pGeng==, figureFileBig=89xS18uokwx7r98GkIxSrA==, tableContent=null), ArticleFig(id=1228293056194085849, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.6, caption=
Confusion matrix of BiGRU model, figureFileSmall=D3go0myXVFYi476geq7GbA==, figureFileBig=8i7oLl3Pmu/Ya7Lq3iBsTQ==, tableContent=null), ArticleFig(id=1228293056257000410, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图6, caption=
BiGRU模型混淆矩阵, figureFileSmall=D3go0myXVFYi476geq7GbA==, figureFileBig=8i7oLl3Pmu/Ya7Lq3iBsTQ==, tableContent=null), ArticleFig(id=1228293056324109275, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.7, caption=
Fault simulation test bench for wind turbine generator transmission system, figureFileSmall=WA/8mhyF/QHEO+SYJBZ/Ng==, figureFileBig=H8pSHJRq8tFc91BRllsfdA==, tableContent=null), ArticleFig(id=1228293056395412444, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图7, caption=
风机发电机传动系统故障模拟试验台, figureFileSmall=WA/8mhyF/QHEO+SYJBZ/Ng==, figureFileBig=H8pSHJRq8tFc91BRllsfdA==, tableContent=null), ArticleFig(id=1228293056479298525, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.8, caption=
Time-domain comparison between the generated data of faulty bearings and the original data (test), figureFileSmall=/d0HNj7SlH9bfdoEfYeA1w==, figureFileBig=2C/yjMYbOLYOT4nMNPWqag==, tableContent=null), ArticleFig(id=1228293056550601694, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图8, caption=
故障轴承生成数据与原始数据时域对比(试验), figureFileSmall=/d0HNj7SlH9bfdoEfYeA1w==, figureFileBig=2C/yjMYbOLYOT4nMNPWqag==, tableContent=null), ArticleFig(id=1228293056626099167, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.9, caption=
Confusion matrix of BiGRU-1D-CNN model (test), figureFileSmall=2qRnJ7NJ8vdsnmtFyL/yTQ==, figureFileBig=AMRi7wIcfaEgKUzE2VyJEg==, tableContent=null), ArticleFig(id=1228293056709985248, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图9, caption=
BiGRU-1D-CNN模型混淆矩阵(试验), figureFileSmall=2qRnJ7NJ8vdsnmtFyL/yTQ==, figureFileBig=AMRi7wIcfaEgKUzE2VyJEg==, tableContent=null), ArticleFig(id=1228293056777094113, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.10, caption=
Confusion matrix of 1D-CNN model (test), figureFileSmall=tdDwYxmbOO1zcvLmWWwL/Q==, figureFileBig=a9mFhwSl7Fe5XpF7xvd88w==, tableContent=null), ArticleFig(id=1228293056848397282, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图10, caption=
1D-CNN模型混淆矩阵(试验), figureFileSmall=tdDwYxmbOO1zcvLmWWwL/Q==, figureFileBig=a9mFhwSl7Fe5XpF7xvd88w==, tableContent=null), ArticleFig(id=1228293056932283363, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Fig.11, caption=
Confusion matrix of BiGRU model (test), figureFileSmall=6CAdgPKDi7a5FOG3NN1G5A==, figureFileBig=WIcteTATUvXiRsqsw+4zMg==, tableContent=null), ArticleFig(id=1228293056995197924, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=图11, caption=
BiGRU模型混淆矩阵(试验), figureFileSmall=6CAdgPKDi7a5FOG3NN1G5A==, figureFileBig=WIcteTATUvXiRsqsw+4zMg==, tableContent=null), ArticleFig(id=1228293057058112485, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Tab.1, caption=
Structural parameters of 6205-2RS deep groove ball bearing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称Name | 值Value |
|---|
| 滚动体节径Rolling body pitch diameter/mm | 7.94 |
| 轴承节径Bearing pitch diameter/mm | 39.04 |
| 滚动体个数Number of rolling elements | 9 |
| 接触角Contact angle/(°) | 0 |
), ArticleFig(id=1228293058421261286, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=表1, caption=
6205-2RS深沟球轴承结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称Name | 值Value |
|---|
| 滚动体节径Rolling body pitch diameter/mm | 7.94 |
| 轴承节径Bearing pitch diameter/mm | 39.04 |
| 滚动体个数Number of rolling elements | 9 |
| 接触角Contact angle/(°) | 0 |
), ArticleFig(id=1228293058521924583, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Tab.2, caption=
Evaluation parameters for inner ring faulty bearings
, figureFileSmall=null, figureFileBig=null, tableContent=
| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.06 | 0.06 | 0.059 | 0.057 |
| ② | 0.24 | 0.2 | 0.19 | 0.16 |
| ③ | 0.61 | 0.58 | 0.56 | 0.49 |
| ④ | 70 | 68 | 66 | 63 |
), ArticleFig(id=1228293058605810664, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=表2, caption=
内圈故障轴承评估参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.06 | 0.06 | 0.059 | 0.057 |
| ② | 0.24 | 0.2 | 0.19 | 0.16 |
| ③ | 0.61 | 0.58 | 0.56 | 0.49 |
| ④ | 70 | 68 | 66 | 63 |
), ArticleFig(id=1228293058677113833, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Tab.3, caption=
Evaluation parameters for rolling element faulty bearings
, figureFileSmall=null, figureFileBig=null, tableContent=
| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.185 | 0.185 | 0.185 | 0.178 |
| ② | 0.36 | 0.33 | 0.25 | 0.15 |
| ③ | 0.33 | 0.29 | 0.21 | 0.13 |
| ④ | 50 | 49 | 43 | 31 |
), ArticleFig(id=1228293058744222698, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=表3, caption=
滚动体故障轴承评估参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.185 | 0.185 | 0.185 | 0.178 |
| ② | 0.36 | 0.33 | 0.25 | 0.15 |
| ③ | 0.33 | 0.29 | 0.21 | 0.13 |
| ④ | 50 | 49 | 43 | 31 |
), ArticleFig(id=1228293058815525867, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=EN, label=Tab.4, caption=
Evaluation parameters for outer ring faulty bearings
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| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.036 | 0.036 | 0.036 | 0.035 |
| ② | 0.24 | 0.21 | 0.2 | 0.12 |
| ③ | 0.29 | 0.27 | 0.26 | 0.19 |
| ④ | 49 | 47 | 46 | 39 |
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外圈故障轴承评估参数
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| GAN | WGAN | WGAN-GP | MWGAN-GP |
|---|
| ① | 0.036 | 0.036 | 0.036 | 0.035 |
| ② | 0.24 | 0.21 | 0.2 | 0.12 |
| ③ | 0.29 | 0.27 | 0.26 | 0.19 |
| ④ | 49 | 47 | 46 | 39 |
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Bearing failure test dataset of CRWU
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数据集 Dataset | 轴承状态 Bearing status | 标签 Label | 样本量 Sample size |
|---|
| 正常Normal | 正常Normal | |
训练集 Training set | 滚动体故障 Rolling element failure | 滚动体 Rolling element | 4 600 |
| 外圈故障 Outer ring failure | 外圈 Outer ring | |
| 内圈故障 Inner ring failure | 内圈 Inner ring | |
| 正常Normal | 正常Normal | |
测试集 Test set | 滚动体故障 Rolling element failure | 滚动体 Rolling element | 1 150 |
| 外圈故障 Outer ring failure | 外圈 Outer ring | |
| 内圈故障 Inner ring failure | 内圈 Inner ring | |
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CRWU轴承故障试验数据集
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数据集 Dataset | 轴承状态 Bearing status | 标签 Label | 样本量 Sample size |
|---|
| 正常Normal | 正常Normal | |
训练集 Training set | 滚动体故障 Rolling element failure | 滚动体 Rolling element | 4 600 |
| 外圈故障 Outer ring failure | 外圈 Outer ring | |
| 内圈故障 Inner ring failure | 内圈 Inner ring | |
| 正常Normal | 正常Normal | |
测试集 Test set | 滚动体故障 Rolling element failure | 滚动体 Rolling element | 1 150 |
| 外圈故障 Outer ring failure | 外圈 Outer ring | |
| 内圈故障 Inner ring failure | 内圈 Inner ring | |
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Parameters of 6204 type motor bearing
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内径 Inner diameter/mm | 外径 Outer diameter/mm | 节径 Pitch diameter/mm | 滚珠直径 Ball diameter/mm | 滚珠个数 Number of ball bearings |
|---|
| 20 | 47 | 33.4 | 7.94 | 8 |
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6204型电动机轴承的参数
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内径 Inner diameter/mm | 外径 Outer diameter/mm | 节径 Pitch diameter/mm | 滚珠直径 Ball diameter/mm | 滚珠个数 Number of ball bearings |
|---|
| 20 | 47 | 33.4 | 7.94 | 8 |
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Evaluation parameters of fault bearings
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| 内圈 Inner ring | 滚动体 Rolling element | 外圈 Outer ring |
|---|
MMD距离 MMD distance | 0.06 | 0.043 | 0.058 |
均方误差 Mean squared error | 0.26 | 0.28 | 0.31 |
Wasserstein距离 Wasserstein distance | 0.41 | 0.42 | 0.62 |
欧氏距离 Euclidean distance | 59 | 41 | 48 |
), ArticleFig(id=1228293059335619570, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=表7, caption=
故障轴承评估参数
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| 内圈 Inner ring | 滚动体 Rolling element | 外圈 Outer ring |
|---|
MMD距离 MMD distance | 0.06 | 0.043 | 0.058 |
均方误差 Mean squared error | 0.26 | 0.28 | 0.31 |
Wasserstein距离 Wasserstein distance | 0.41 | 0.42 | 0.62 |
欧氏距离 Euclidean distance | 59 | 41 | 48 |
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Test dataset of bearing fault bench
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数据集 Dataset | 轴承状态 Bearing status | 标签 Label | 样本量 Sample size |
|---|
| 正常Normal | 正常Normal | 3 136 |
训练集 Training set | 滚动体故障 Rolling element failure | 滚动体 Rolling element |
| 外圈故障 Outer ring failure | 外圈Outer ring |
| 内圈故障 Inner ring failure | 内圈Inner ring |
| 正常Normal | 正常Normal | 784 |
测试集 Test set | 滚动体故障 Rolling element failure | 滚动体 Rolling element |
| 外圈故障 Outer ring failure | 外圈Outer ring |
| 内圈故障 Inner ring failure | 内圈Inner ring |
), ArticleFig(id=1228293059490808820, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1228282198479012676, language=CN, label=表8, caption=
轴承故障台架试验数据集
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数据集 Dataset | 轴承状态 Bearing status | 标签 Label | 样本量 Sample size |
|---|
| 正常Normal | 正常Normal | 3 136 |
训练集 Training set | 滚动体故障 Rolling element failure | 滚动体 Rolling element |
| 外圈故障 Outer ring failure | 外圈Outer ring |
| 内圈故障 Inner ring failure | 内圈Inner ring |
| 正常Normal | 正常Normal | 784 |
测试集 Test set | 滚动体故障 Rolling element failure | 滚动体 Rolling element |
| 外圈故障 Outer ring failure | 外圈Outer ring |
| 内圈故障 Inner ring failure | 内圈Inner ring |
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