Article(id=1228048674131997330, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228048667874095618, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2024.03.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1653926400000, receivedDateStr=2022-05-31, revisedDate=1658678400000, revisedDateStr=2022-07-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1770719219954, onlineDateStr=2026-02-10, pubDate=1711555200000, pubDateStr=2024-03-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770719219954, onlineIssueDateStr=2026-02-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770719219954, creator=13701087609, updateTime=1770719219954, updator=13701087609, issue=Issue{id=1228048667874095618, tenantId=1146029695717560320, journalId=1225147924628267009, year='2024', volume='37', issue='3', pageStart='365', pageEnd='538', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770719218462, creator=13701087609, updateTime=1770795476854, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228368518803030940, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228048667874095618, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228368518803030941, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228048667874095618, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=485, endPage=496, ext={EN=ArticleExt(id=1228048675440620189, articleId=1228048674131997330, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Rolling bearing fault feature extraction in the compressed domain with deep convolutional measurement network, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Compressed sensing can effectively relieve the burden of data storage and transmission for mechanical condition monitoring. However,this method exists some problems such as low compression efficiency and slow signal reconstruction process in the application of fault diagnosis. In this paper,using the corresponding relationship between autoencoder and compressed sensing,a novel fault feature extraction method of the rolling bearing in the compressed domain based on the deep convolutional measurement network is proposed. For the problem that noise-free fault signal samples are difficult to obtain,a dataset construction method based on the fault mechanism is proposed. The model trained on this dataset is suitable for bearing signals under different working conditions A deep convolutional denoising autoencoder (DCDAE) is constructed,in which the number of layers is determined by the required signal compression rate and the frequency of the hidden layer corresponds to that of the original signal. The fully trained encoding sub-network of DCDAE,named deep convolutional measurement network (DCMN),is used to compress the rolling bearing vibration signal instead of the traditional measurement matrix,and then the fault features are directly extracted in the compressed domain. The effectiveness of the proposed dataset construction method and the compressed domain feature extraction method are analyzed through the simulations. The rolling bearing experimental signals further verify that the deep convolutional measurement network trained by the proposed method has good generalization and can effectively extract fault features for fault diagnosis in the compressed domain with a compression ratio far lower than that of the traditional compressed sensing method.
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压缩感知可有效降低机械状态监测信号的数据存储和传输压力,而现有压缩感知方法在故障诊断的应用中存在压缩效率低下、信号重构过程缓慢等问题。本文利用自编码网络与压缩感知的对应关系,提出了一种基于深度卷积测量网络的滚动轴承压缩域故障特征提取方法。针对无噪声的故障信号样本难以获取的问题,提出一种利用故障机理构建数据集的方法,利用该仿真数据集训练得到的模型适用于不同工况下的实测轴承信号。构造网络层数由所需要的信号压缩率确定、隐含层与原信号的频率呈对应关系的深度卷积去噪自编码网络。截取训练完备的编码子网络(即深度卷积测量网络)代替传统的观测矩阵对滚动轴承振动信号进行压缩测量,实现压缩域的故障特征提取。仿真分析验证了所提数据集构造方法及压缩域特征提取方法的有效性。滚动轴承实验信号分析进一步验证了采用所提方法训练得到的深度卷积测量网络具有很好的泛化性,且能够在压缩率远低于传统压缩感知方法的情况下有效地提取轴承故障特征成分并进行故障诊断。
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Architecture of the autoencoder network, figureFileSmall=uaNH3J4RVDjyslu9eKA6HQ==, figureFileBig=oHhbFgvtLAcB4GTEzN2lYQ==, tableContent=null), ArticleFig(id=1228048698865807905, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图1, caption=
自编码网络架构, figureFileSmall=uaNH3J4RVDjyslu9eKA6HQ==, figureFileBig=oHhbFgvtLAcB4GTEzN2lYQ==, tableContent=null), ArticleFig(id=1228048699079717417, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.2, caption=
The corresponding relationship between compressed sensing theory and autoencoder network, figureFileSmall=jh9qOkzY3uyDW9YHpsfh1w==, figureFileBig=J2k2qIYqV4r5ZoecDTkPMA==, tableContent=null), ArticleFig(id=1228048699176186413, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图2, caption=
压缩感知理论与自编码网络的对应关系, figureFileSmall=jh9qOkzY3uyDW9YHpsfh1w==, figureFileBig=J2k2qIYqV4r5ZoecDTkPMA==, tableContent=null), ArticleFig(id=1228048699281044016, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.3, caption=
Architecture of the DCDAE network, figureFileSmall=LHhR39Uk7HMXUPmXwUz1Qw==, figureFileBig=dnVlQ97Z5JROIG3g8Z10Og==, tableContent=null), ArticleFig(id=1228048699360735797, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图3, caption=
DCDAE网络架构, figureFileSmall=LHhR39Uk7HMXUPmXwUz1Qw==, figureFileBig=dnVlQ97Z5JROIG3g8Z10Og==, tableContent=null), ArticleFig(id=1228048699432038967, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.4, caption=
Architecture of DCMN with compression ratio of 6.25%, figureFileSmall=EXWF+c+EErByy5KGaSAzdg==, figureFileBig=Nqlz8tEnPSDzRZqv8ZBWPg==, tableContent=null), ArticleFig(id=1228048699524313659, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图4, caption=
压缩率为6.25%时DCMN的架构, figureFileSmall=EXWF+c+EErByy5KGaSAzdg==, figureFileBig=Nqlz8tEnPSDzRZqv8ZBWPg==, tableContent=null), ArticleFig(id=1228048699620782654, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.5, caption=
Flow chart of the proposed method, figureFileSmall=9AK/nOU4mY1CNlXdz59Qpg==, figureFileBig=pdDDXM1LHUUEzJm2DsMnDw==, tableContent=null), ArticleFig(id=1228048699729834561, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图5, caption=
所提方法的流程图, figureFileSmall=9AK/nOU4mY1CNlXdz59Qpg==, figureFileBig=pdDDXM1LHUUEzJm2DsMnDw==, tableContent=null), ArticleFig(id=1228048699822109252, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.6, caption=
Reconstruction accuracy under different signal to noise ratio and 
, figureFileSmall=5qQq4ifsD/VAD55sydaF7A==, figureFileBig=pCK1XlPRK5qqzldXdcFF0g==, tableContent=null), ArticleFig(id=1228048699893412422, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图6, caption=
不同信噪比及
值下的重构精度, figureFileSmall=5qQq4ifsD/VAD55sydaF7A==, figureFileBig=pCK1XlPRK5qqzldXdcFF0g==, tableContent=null), ArticleFig(id=1228048699968909899, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.7, caption=
Reconstruction accuracy under different signal to noise ratio and 
, figureFileSmall=zEyiDHHpNRoZAJ2UoK8uhw==, figureFileBig=bMjuaaqmuefBp8LfcqPBXg==, tableContent=null), ArticleFig(id=1228048700065378893, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图7, caption=
不同信噪比及阻尼比下的重构精度, figureFileSmall=zEyiDHHpNRoZAJ2UoK8uhw==, figureFileBig=bMjuaaqmuefBp8LfcqPBXg==, tableContent=null), ArticleFig(id=1228048700149264977, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.8, caption=
Time domain waveform of simulation signal, figureFileSmall=v3ie/VcNUTYhgboekkAh+A==, figureFileBig=ZAdASy1a4ub+XXfoCY94Qg==, tableContent=null), ArticleFig(id=1228048700241539672, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图8, caption=
仿真信号时域波形, figureFileSmall=v3ie/VcNUTYhgboekkAh+A==, figureFileBig=ZAdASy1a4ub+XXfoCY94Qg==, tableContent=null), ArticleFig(id=1228048700342202973, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.9, caption=
Compressed domain signal and demodulation spectrum, figureFileSmall=u/Lz8k87YKMNyTjDdoaL0g==, figureFileBig=iJqkVeB6M8PsyszkO+0Lmg==, tableContent=null), ArticleFig(id=1228048700417700448, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图9, caption=
压缩域信号及解调谱, figureFileSmall=u/Lz8k87YKMNyTjDdoaL0g==, figureFileBig=iJqkVeB6M8PsyszkO+0Lmg==, tableContent=null), ArticleFig(id=1228048700489003621, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.10, caption=
The test bench and rolling bearing with outer race fault, figureFileSmall=Q9RfyLjVl+N0xL/aQ26ztA==, figureFileBig=/5zJkD/7AWleyUR+klO02A==, tableContent=null), ArticleFig(id=1228048700585472618, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图10, caption=
实验台与故障外圈, figureFileSmall=Q9RfyLjVl+N0xL/aQ26ztA==, figureFileBig=/5zJkD/7AWleyUR+klO02A==, tableContent=null), ArticleFig(id=1228048700677747308, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.11, caption=
Time domain,frequency spectrum and demodulation spectrum of the vibration signal with outer race fault, figureFileSmall=7gS4dBzqEAFcqYS80frbFQ==, figureFileBig=QF4LTJFZ1rANKdoEFV1ZMQ==, tableContent=null), ArticleFig(id=1228048702007341680, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图11, caption=
外圈故障振动信号的时域、频谱及解调谱, figureFileSmall=7gS4dBzqEAFcqYS80frbFQ==, figureFileBig=QF4LTJFZ1rANKdoEFV1ZMQ==, tableContent=null), ArticleFig(id=1228048702116393590, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.12, caption=
Compressed domain signal and demodulation spectrum with compression ratio of 6.25%, figureFileSmall=LUiN0ChdM4oUlaN80t+pCA==, figureFileBig=dhhDaf1E8k2BAea0asGl0w==, tableContent=null), ArticleFig(id=1228048702221251193, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图12, caption=
压缩率为6.25%时的压缩域信号及解调谱, figureFileSmall=LUiN0ChdM4oUlaN80t+pCA==, figureFileBig=dhhDaf1E8k2BAea0asGl0w==, tableContent=null), ArticleFig(id=1228048702326108798, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.13, caption=
Demodulation spectrum of compressed domain signal with compression ratio of 1.5625%, figureFileSmall=vcB+xyrSxQ/I7+q/Ktf5Hg==, figureFileBig=bxeaSdoy+4BU/p2P7FxAnQ==, tableContent=null), ArticleFig(id=1228048702418383489, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图13, caption=
压缩率为1.5625%时的压缩域信号解调谱, figureFileSmall=vcB+xyrSxQ/I7+q/Ktf5Hg==, figureFileBig=bxeaSdoy+4BU/p2P7FxAnQ==, tableContent=null), ArticleFig(id=1228048702510658180, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.14, caption=
Reconstruction results using comparison method of the vibration signal with outer race fault, figureFileSmall=kpQvN2A47EXDudFGDYM9NA==, figureFileBig=ewmNEm7gxKpzmBkgIsDhsQ==, tableContent=null), ArticleFig(id=1228048702586155655, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图14, caption=
对比方法外圈故障信号重构结果, figureFileSmall=kpQvN2A47EXDudFGDYM9NA==, figureFileBig=ewmNEm7gxKpzmBkgIsDhsQ==, tableContent=null), ArticleFig(id=1228048702665847433, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.15, caption=
The tested transmission,sensor’s location and inner race fault, figureFileSmall=+x8hqKoGjGwY+OZavlf3Og==, figureFileBig=z7WsNGDtDKUxvg1G5f22cw==, tableContent=null), ArticleFig(id=1228048702737150605, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图15, caption=
实验变速器、传感器安装位置及内圈故障, figureFileSmall=+x8hqKoGjGwY+OZavlf3Og==, figureFileBig=z7WsNGDtDKUxvg1G5f22cw==, tableContent=null), ArticleFig(id=1228048702800065168, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.16, caption=
Time domain,frequency spectrum and demodulation spectrum of the vibration signal with inner race fault, figureFileSmall=JQxhDJ0j5c27ArVuYH49AA==, figureFileBig=lUJfhHKkzJRDVACz9earjA==, tableContent=null), ArticleFig(id=1228048702862979731, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图16, caption=
内圈故障振动信号的时域、频谱及解调谱, figureFileSmall=JQxhDJ0j5c27ArVuYH49AA==, figureFileBig=lUJfhHKkzJRDVACz9earjA==, tableContent=null), ArticleFig(id=1228048702967837333, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.17, caption=
Compressed domain signal and demodulation spectrum with compression ratio of 6.25%, figureFileSmall=V7LbRjWOXJUXgszy4wTa+A==, figureFileBig=2qPqtl0JyqnCAnQyW+neDg==, tableContent=null), ArticleFig(id=1228048703034946199, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图17, caption=
压缩率为6.25%时压缩域信号及解调谱, figureFileSmall=V7LbRjWOXJUXgszy4wTa+A==, figureFileBig=2qPqtl0JyqnCAnQyW+neDg==, tableContent=null), ArticleFig(id=1228048703110443674, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.18, caption=
Demodulation spectrum of compressed domain signal with compression ratio of 1.5625%, figureFileSmall=PAYZFd8KxQwdq0IJ1udFrg==, figureFileBig=sygcZdcd71ewygOKW+Hx2g==, tableContent=null), ArticleFig(id=1228048703194329757, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图18, caption=
压缩率为1.5625%时的压缩域信号解调谱, figureFileSmall=PAYZFd8KxQwdq0IJ1udFrg==, figureFileBig=sygcZdcd71ewygOKW+Hx2g==, tableContent=null), ArticleFig(id=1228048703253050015, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Fig.19, caption=
Reconstruction results using comparison method of the vibration signal with inner race fault, figureFileSmall=Wt6b3s3HGMdJE9x3MSGiFQ==, figureFileBig=WJPgdL4uv08rSJl4GIyL8A==, tableContent=null), ArticleFig(id=1228048703370490529, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=图19, caption=
对比方法内圈故障信号重构结果, figureFileSmall=Wt6b3s3HGMdJE9x3MSGiFQ==, figureFileBig=WJPgdL4uv08rSJl4GIyL8A==, tableContent=null), ArticleFig(id=1228048703441793700, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Tab.1, caption=
DCDAE network parameters with compression ratio of 6.25%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 层名 | 卷积核数量K | 卷积核大小h | 池化域宽度/上采样层倍率W | 激活函数 |
|---|
| Conv1 | 128 | 5 | 2 | ReLU |
| Conv2 | 64 | 5 | 2 | ReLU |
| Conv3 | 32 | 5 | 2 | ReLU |
| Conv4 | 16 | 5 | 2 | ReLU |
| Conv5 | 1 | 5 | — | — |
| Conv6 | 16 | 5 | 2 | ReLU |
| Conv7 | 32 | 5 | 2 | ReLU |
| Conv8 | 64 | 5 | 2 | ReLU |
| Conv9 | 128 | 5 | 2 | ReLU |
| Conv10 | 1 | 5 | — | — |
), ArticleFig(id=1228048703529874087, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=表1, caption=
压缩率为6.25%时DCDAE网络的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 层名 | 卷积核数量K | 卷积核大小h | 池化域宽度/上采样层倍率W | 激活函数 |
|---|
| Conv1 | 128 | 5 | 2 | ReLU |
| Conv2 | 64 | 5 | 2 | ReLU |
| Conv3 | 32 | 5 | 2 | ReLU |
| Conv4 | 16 | 5 | 2 | ReLU |
| Conv5 | 1 | 5 | — | — |
| Conv6 | 16 | 5 | 2 | ReLU |
| Conv7 | 32 | 5 | 2 | ReLU |
| Conv8 | 64 | 5 | 2 | ReLU |
| Conv9 | 128 | 5 | 2 | ReLU |
| Conv10 | 1 | 5 | — | — |
), ArticleFig(id=1228048703605371562, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Tab.2, caption=
Comparison of models with different compression rates
, figureFileSmall=null, figureFileBig=null, tableContent=
| 压缩率/% | 训练时间/s | 重构精度 | 运算时间/s |
|---|
| 12.5 | 815 | 0.75 | 0.0011 |
| 6.25 | 890 | 0.75 | 0.0013 |
| 3.125 | 908 | 0.75 | 0.0016 |
| 1.5625 | 920 | 0.75 | 0.0017 |
), ArticleFig(id=1228048703680869037, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=表2, caption=
不同压缩率下模型对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 压缩率/% | 训练时间/s | 重构精度 | 运算时间/s |
|---|
| 12.5 | 815 | 0.75 | 0.0011 |
| 6.25 | 890 | 0.75 | 0.0013 |
| 3.125 | 908 | 0.75 | 0.0016 |
| 1.5625 | 920 | 0.75 | 0.0017 |
), ArticleFig(id=1228048703743783600, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=EN, label=Tab.3, caption=
Performance analysis of comparison method
, figureFileSmall=null, figureFileBig=null, tableContent=
| 压缩率/% | 重构精度 | 运算时间/s |
|---|
| 12.5 | 0.5 | 0.079 |
| 6.25 | 0.3125 | 0.064 |
), ArticleFig(id=1228048703827669684, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228048674131997330, language=CN, label=表3, caption=
对比方法性能分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 压缩率/% | 重构精度 | 运算时间/s |
|---|
| 12.5 | 0.5 | 0.079 |
| 6.25 | 0.3125 | 0.064 |
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