Article(id=1236369223891611655, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1236369220812984708, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202407173, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721750400000, receivedDateStr=2024-07-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772702993604, onlineDateStr=2026-03-05, pubDate=1732464000000, pubDateStr=2024-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772702993604, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772702993604, creator=13701087609, updateTime=1772702993604, updator=13701087609, issue=Issue{id=1236369220812984708, tenantId=1146029695717560320, journalId=1210938733613449225, year='2024', volume='53', issue='11', pageStart='1', pageEnd='168', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772702992871, creator=13701087609, updateTime=1772703093306, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236369642126627337, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1236369220812984708, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236369642126627338, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1236369220812984708, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=101, endPage=111, ext={EN=ArticleExt(id=1236369224155852814, articleId=1236369223891611655, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Fault diagnosis for motor bearing based on vibro-acoustic signal fusion and WR-VMD, columnId=1211002405299294959, journalTitle=Thermal Power Generation, columnName=Thermal energy science research, runingTitle=null, highlight=null, articleAbstract=
In cooling systems of thermal and nuclear power generating unit, the bearing fault signal of the motor is weak and nonlinear, which is easily masked by running signals and invalid signals, and the use of a single vibration monitoring may not be sufficient to collect complete defect information. To address this problem, vibration and sound signals are combined to monitor bearing fault signals, and the collected sound and vibration signal features are fused. To process the sound and vibration signals of motor bearings, a WR-VMD algorithm that integrates wavelet ridge (WR) and varational mode decomposition (VMD) is proposed. The WR is used to analyze the components of the original signal, and then the acquired information is used to determine the parameters of the VMD, which makes up for the shortcomings of the original VMD method that requires the parameters to be set empirically in advance. The simulated signal results show that, compared with the same type of methods, the features extracted by the WR-VMD method are the most obvious and have the least interference information. Finally, the acoustic and vibration signal fusion technique and the WR-VMD algorithm are applied to the measured motor bearing fault data, and the results show that, compared with other feature extraction algorithms of the same type, the WR-VMD extracts the most obvious features and has the highest accuracy in fault diagnosis. The acoustic and vibration signal fusion has at least a 7% increase in accuracy compared with a single vibration or acoustic signal in fault diagnosis.
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在火电和核电机组冷却系统中,电机轴承故障信号因具有微弱性和非线性特征,容易被运行信号和无效信号掩盖,采用单一的振动监测不足以采集到完整的故障信息。对此,提出融和声音和振动(声振融合)信号的方法来监测电机轴承的故障信息。首先,针对采集的电机轴承声振信号,提出一种结合小波脊线(WR)和变分模态分解(VMD)的WR-VMD算法提取声振信号的特征;利用WR分析原信号的成分,随后利用获取的信息确定VMD的参数,这样弥补了原VMD方法需要预先根据经验设定参数的不足;最后,将声振信号融合技术和WR-VMD算法用于实测的电机轴承故障数据,仿真结果显示:对比同类型的方法,WR-VMD方法所提取的特征最明显,干扰信息最少,用于故障诊断的准确率最高;融合声振信号相比单一振动信号或者声音信号用于故障诊断的准确率提升了至少7%。
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45(8): 83-87., articleTitle=Research of motor fault diagnosis method based on noise analysis, refAbstract=null)], funds=[Fund(id=1236369234717110755, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, awardId=K-A2023.560, language=EN, fundingSource=Science and Technology Project of China General Nuclear Power Group(K-A2023.560), fundOrder=null, country=null), Fund(id=1236369234809385446, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, awardId=K-A2023.560, language=CN, fundingSource=中国广核集团科研项目(K-A2023.560), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1236369228316602594, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, xref=1., ext=[AuthorCompanyExt(id=1236369228324991204, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228316602594, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.China Nuclear Power Engineering Co., Ltd., Shenzhen 518120, China), AuthorCompanyExt(id=1236369228329185508, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228316602594, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.中广核工程有限公司,广东 深圳 518120)]), AuthorCompany(id=1236369228400488680, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, xref=2., ext=[AuthorCompanyExt(id=1236369228408877287, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228400488680, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Huzhou Institute of Zhejiang University, Huzhou 313000, China), AuthorCompanyExt(id=1236369228413071592, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228400488680, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.浙江大学湖州研究院,浙江 湖州 313000)]), AuthorCompany(id=1236369228513734895, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, xref=3., ext=[AuthorCompanyExt(id=1236369228526317809, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228513734895, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.College of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China), AuthorCompanyExt(id=1236369228534706418, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, companyId=1236369228513734895, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.浙江大学控制科学与工程学院,浙江 杭州 310027)])], figs=[ArticleFig(id=1236369230719938890, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.1, caption=
Flow of WR-VMD processing, figureFileSmall=x3WMc2gG2pL9q+etIblcrw==, figureFileBig=8U3HGusyfBazLRGh+xLXCQ==, tableContent=null), ArticleFig(id=1236369230820602189, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图1, caption=
WR-VMD流程, figureFileSmall=x3WMc2gG2pL9q+etIblcrw==, figureFileBig=8U3HGusyfBazLRGh+xLXCQ==, tableContent=null), ArticleFig(id=1236369231042900310, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.2, caption=
Waveform of the subsignal, figureFileSmall=DTn2yfr4xuEQaWX8pzHMhA==, figureFileBig=WRxRMde9IGPM+bHeFabMFw==, tableContent=null), ArticleFig(id=1236369231122592089, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图2, caption=
子信号波形, figureFileSmall=DTn2yfr4xuEQaWX8pzHMhA==, figureFileBig=WRxRMde9IGPM+bHeFabMFw==, tableContent=null), ArticleFig(id=1236369231202283871, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.3, caption=
The EMD results, figureFileSmall=uZXz3SFxrk1kKX1HmwGIzA==, figureFileBig=JdQC6/Cr1qmv6iyMSk52RA==, tableContent=null), ArticleFig(id=1236369231273587041, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图3, caption=
EMD结果, figureFileSmall=uZXz3SFxrk1kKX1HmwGIzA==, figureFileBig=JdQC6/Cr1qmv6iyMSk52RA==, tableContent=null), ArticleFig(id=1236369231353278823, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.4, caption=
The EWT results, figureFileSmall=W2If3c0bdmmtpE6IB02tsA==, figureFileBig=dICPJPIftyxKa7zmM1R4wA==, tableContent=null), ArticleFig(id=1236369231437164905, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图4, caption=
EWT结果, figureFileSmall=W2If3c0bdmmtpE6IB02tsA==, figureFileBig=dICPJPIftyxKa7zmM1R4wA==, tableContent=null), ArticleFig(id=1236369231521050989, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.5, caption=
The results of wavelet ridge, figureFileSmall=cJm5IqQIxX53KJrG4vAC7g==, figureFileBig=u3DA5S8Dwaaw2zcXs7p+sw==, tableContent=null), ArticleFig(id=1236369231688823152, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图5, caption=
小波脊线结果, figureFileSmall=cJm5IqQIxX53KJrG4vAC7g==, figureFileBig=u3DA5S8Dwaaw2zcXs7p+sw==, tableContent=null), ArticleFig(id=1236369231755932019, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.6, caption=
The results of WR-VMD, figureFileSmall=Phhq1D0ZYSW1gqdAZxxpjQ==, figureFileBig=AGsy4gpqxymurcdkftj1Gg==, tableContent=null), ArticleFig(id=1236369231860789624, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图6, caption=
WR-VMD结果, figureFileSmall=Phhq1D0ZYSW1gqdAZxxpjQ==, figureFileBig=AGsy4gpqxymurcdkftj1Gg==, tableContent=null), ArticleFig(id=1236369231961452925, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.7, caption=
Field test, figureFileSmall=Px6RKwZjArIG8DfzBj5oTA==, figureFileBig=5MaFvocpb/QcTSjalRch/g==, tableContent=null), ArticleFig(id=1236369232036950400, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图7, caption=
现场试验, figureFileSmall=Px6RKwZjArIG8DfzBj5oTA==, figureFileBig=5MaFvocpb/QcTSjalRch/g==, tableContent=null), ArticleFig(id=1236369232154390916, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.8, caption=
Data acquisition system, figureFileSmall=8YgAw/tG42RsTzKdgPnCjA==, figureFileBig=xmkRReJOxjBQ9V954meQbg==, tableContent=null), ArticleFig(id=1236369232234082696, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图8, caption=
数据采集系统, figureFileSmall=8YgAw/tG42RsTzKdgPnCjA==, figureFileBig=xmkRReJOxjBQ9V954meQbg==, tableContent=null), ArticleFig(id=1236369232309580172, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.9, caption=
Vibration and acoustic signals of bearings, figureFileSmall=C5v7PKWzI59so4i5L46SZQ==, figureFileBig=t89IxF5BXjcUE50gDKRkKw==, tableContent=null), ArticleFig(id=1236369232393466256, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图9, caption=
轴承振动和声信号, figureFileSmall=C5v7PKWzI59so4i5L46SZQ==, figureFileBig=t89IxF5BXjcUE50gDKRkKw==, tableContent=null), ArticleFig(id=1236369232510906774, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.10, caption=
The EMD results of bearing vibration signals, figureFileSmall=n/5miKFxz+lq98YU4DJsYA==, figureFileBig=CuhbKo7da5GV2pXYwmuwnw==, tableContent=null), ArticleFig(id=1236369232632541593, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图10, caption=
轴承振动信号EMD结果, figureFileSmall=n/5miKFxz+lq98YU4DJsYA==, figureFileBig=CuhbKo7da5GV2pXYwmuwnw==, tableContent=null), ArticleFig(id=1236369232699650460, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.11, caption=
The EWT results of bearing vibration signals, figureFileSmall=J0xiCq5fUfNBvxUD7NOBAw==, figureFileBig=IAQN2POBx3T4u07vV+oxWg==, tableContent=null), ArticleFig(id=1236369232800313760, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图11, caption=
轴承振动信号EWT结果, figureFileSmall=J0xiCq5fUfNBvxUD7NOBAw==, figureFileBig=IAQN2POBx3T4u07vV+oxWg==, tableContent=null), ArticleFig(id=1236369232859034018, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.12, caption=
The WR-VMD results of bearing vibration signals, figureFileSmall=XLM4mHcG5i0881+9eLUq6w==, figureFileBig=WawgP/BJCuOq6mSsAqM/6g==, tableContent=null), ArticleFig(id=1236369232934531493, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图12, caption=
轴承振动信号WR-VMD结果, figureFileSmall=XLM4mHcG5i0881+9eLUq6w==, figureFileBig=WawgP/BJCuOq6mSsAqM/6g==, tableContent=null), ArticleFig(id=1236369233051972009, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.13, caption=
Spectral results of 3 decomposition methods, figureFileSmall=rwN/tjn2MNAqb0IZ8ah3+A==, figureFileBig=qh7mR6ELwRP09Z0WMtZy7Q==, tableContent=null), ArticleFig(id=1236369233161023919, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图13, caption=
3种分解方法频谱结果, figureFileSmall=rwN/tjn2MNAqb0IZ8ah3+A==, figureFileBig=qh7mR6ELwRP09Z0WMtZy7Q==, tableContent=null), ArticleFig(id=1236369233236521395, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Fig.14, caption=
Bearing fault diagnosis results, figureFileSmall=+ifRMFJLrQM1iriG8qrVEQ==, figureFileBig=vfQUdRlR5YnCWKA9KnObWA==, tableContent=null), ArticleFig(id=1236369233332990392, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=图14, caption=
轴承故障诊断结果, figureFileSmall=+ifRMFJLrQM1iriG8qrVEQ==, figureFileBig=vfQUdRlR5YnCWKA9KnObWA==, tableContent=null), ArticleFig(id=1236369233446236604, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.1, caption=
Error analysis of correlation coefficients
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | R1 | R2 | R3 | R4 |
|---|
| EMD | 0.75 | 0.33 | 0.58 | 0.50 |
| EWT | 0.95 | 0.79 | 0.82 | 0.62 |
| WR-VMD | 0.97 | 0.94 | 0.88 | 0.67 |
), ArticleFig(id=1236369233546899904, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表1, caption=
相关系数误差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | R1 | R2 | R3 | R4 |
|---|
| EMD | 0.75 | 0.33 | 0.58 | 0.50 |
| EWT | 0.95 | 0.79 | 0.82 | 0.62 |
| WR-VMD | 0.97 | 0.94 | 0.88 | 0.67 |
), ArticleFig(id=1236369233676923330, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.2, caption=
Root mean square error (RMSE) analysis
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | C1 | C2 | C3 | C4 |
|---|
| EMD | 1.86 | 0.68 | 1.75 | 1.22 |
| EWT | 0.28 | 0.39 | 0.57 | 0.45 |
| WR-VMD | 0.22 | 0.30 | 0.27 | 0.29 |
), ArticleFig(id=1236369233777586627, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表2, caption=
均方根误差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | C1 | C2 | C3 | C4 |
|---|
| EMD | 1.86 | 0.68 | 1.75 | 1.22 |
| EWT | 0.28 | 0.39 | 0.57 | 0.45 |
| WR-VMD | 0.22 | 0.30 | 0.27 | 0.29 |
), ArticleFig(id=1236369233840501192, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.3, caption=
Type of bearing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轴承类型 | 节圆 直径/mm | 滚珠 直径/mm | 滚珠 数量/个 | 接触角/ (°) |
|---|
| NSK6203ZZ | 28.50 | 6.77 | 8 | 25 |
), ArticleFig(id=1236369233924387275, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表3, caption=
轴承型号
, figureFileSmall=null, figureFileBig=null, tableContent=
| 轴承类型 | 节圆 直径/mm | 滚珠 直径/mm | 滚珠 数量/个 | 接触角/ (°) |
|---|
| NSK6203ZZ | 28.50 | 6.77 | 8 | 25 |
), ArticleFig(id=1236369234025050575, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.4, caption=
Parameters of the sensor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 传感器 | 加速度传感器 | 麦克风传声器 |
|---|
| 型号 | B&K 4535B | B&K 4958 |
| 频响范围/Hz | 0.3~12 800.0 | 5.0~20 000.0 |
| 灵敏度 | 1.0 mV/(m·s–2) | 11.3 mV/Pa |
| 重量/g | 6.0 | 3.8 |
), ArticleFig(id=1236369234129908178, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表4, caption=
传感器参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 传感器 | 加速度传感器 | 麦克风传声器 |
|---|
| 型号 | B&K 4535B | B&K 4958 |
| 频响范围/Hz | 0.3~12 800.0 | 5.0~20 000.0 |
| 灵敏度 | 1.0 mV/(m·s–2) | 11.3 mV/Pa |
| 重量/g | 6.0 | 3.8 |
), ArticleFig(id=1236369234234765782, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.5, caption=
Features of acoustics and vibration
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| 声音特征指标 | 振动特征指标 |
|---|
| 梅尔倒频谱系数 | 轴承特征频率(内圈、外圈、滚珠、…) |
| 1/3倍频特征 | 倍频特征 |
| 响度 | 振动幅值 |
| 尖锐度 | 振动尖峰能量 |
| 幅值 | 高频加速度 |
| 有效值 | 轴承自振频率能量 |
| 平均值 | 平均值 |
| 频谱重心 | 频谱重心 |
| 波峰频率 | 波峰频率 |
), ArticleFig(id=1236369234310263257, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表5, caption=
声学和振动特征
, figureFileSmall=null, figureFileBig=null, tableContent=
| 声音特征指标 | 振动特征指标 |
|---|
| 梅尔倒频谱系数 | 轴承特征频率(内圈、外圈、滚珠、…) |
| 1/3倍频特征 | 倍频特征 |
| 响度 | 振动幅值 |
| 尖锐度 | 振动尖峰能量 |
| 幅值 | 高频加速度 |
| 有效值 | 轴承自振频率能量 |
| 平均值 | 平均值 |
| 频谱重心 | 频谱重心 |
| 波峰频率 | 波峰频率 |
), ArticleFig(id=1236369234389955036, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=EN, label=Tab.6, caption=
Comparison between and among EMD, EWT and WR-VMD
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| 方法 | 训练样本 | 测试样本 | 误差个数 | 识别精度/% |
|---|
| EMD | 800 | 40 | 7 | 82.5 |
| EWT | 800 | 40 | 3 | 92.5 |
| WR-VMD | 800 | 40 | 2 | 95.5 |
), ArticleFig(id=1236369234465452513, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1236369223891611655, language=CN, label=表6, caption=
EMD、EWT和WR-VMD对比
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| 方法 | 训练样本 | 测试样本 | 误差个数 | 识别精度/% |
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| EMD | 800 | 40 | 7 | 82.5 |
| EWT | 800 | 40 | 3 | 92.5 |
| WR-VMD | 800 | 40 | 2 | 95.5 |
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