Article(id=1320037861664079966, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.06.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764172800000, receivedDateStr=2025-11-27, revisedDate=1779897600000, revisedDateStr=2026-05-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651151338, onlineDateStr=2026-10-22, pubDate=1782748800000, pubDateStr=2026-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651151338, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651151338, creator=13701087609, updateTime=1792651151338, updator=13701087609, issue=Issue{id=1320037798686605953, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='6', pageStart='1', pageEnd='122', issueExtLink='null', onlineDate='null', pubDate='1782748800000', pubDateStr='2026-06-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651136322, creator='13701087609', updateTime=1792656254917, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059267693003413, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059267693003414, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=112, endPage=122, ext={EN=ArticleExt(id=1320037862851068000, articleId=1320037861664079966, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Multi‑domain multi‑body digital twin model of a five‑cylinder pump and its application, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issues in traditional data‑driven fault diagnosis methods for five‑cylinder pumps,such as difficulty in obtaining fault data,insufficient diagnostic capability during the early stage of equipment operation,and poor model generalization,a multi‑domain digital twin model of the five‑cylinder pump was established.The motor system,control system,mechanical system,and hydraulic system of the five‑cylinder pump were modeled,the mathematical models and parameter transfer relationships of each subsystem were clarified,and the overall model was consequently constructed.Based on fault mechanism analysis,the injection and response quantitative analysis of four typical faults,namely piston leakage,inlet blockage,bearing damage,and motor open circuit,were realized.A multi‑domain simulation model coupled with electromechanical‑hydraulic‑control was built using MATLAB/Simscape to obtain simulation data after fault injection.The consistency of the digital twin model was verified using experimental data from the XZQ2200 drilling pump.To demonstrate the application of the model,a drilling rig circulation system model was constructed using the five‑cylinder pump digital twin model,and a TimesNet‑based fault diagnosis method was proposed.The results show that the root mean square error between the twin data and the measured data is 0.039 2.The fault diagnosis model achieves a fault location classification accuracy of 98.33% and a fault classification accuracy of 89.44% on the twin dataset.The established five‑cylinder pump digital twin model has high fidelity and can effectively support typical fault mechanism analysis and fault diagnosis model construction.This study provides a new technical approach for predictive maintenance of complex equipment.
, authors=Xin ZHANG
1, Zhiliang LIU
1, Chenyang WANG
1, Chuan XIE
2, Meng RAO
3, Mingjian ZUO
1, 3, authorsList=Xin ZHANG, Zhiliang LIU, Chenyang WANG, Chuan XIE, Meng RAO, Mingjian ZUO, authorCompany=null, correspAuthors=Zhiliang LIU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320037867477385348, articleId=1320037861664079966, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=五缸泵多领域多体数字孪生模型及其应用, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
为解决传统基于数据驱动的五缸泵故障诊断方法存在故障数据获取困难、设备运行初期诊断能力不足、模型泛化能力差的问题,建立了五缸泵多领域数字孪生模型。对五缸泵的电机系统、控制系统、机械系统及液压系统进行建模,明确各子系统数学模型及参数传递关系,进而建立整体模型;并基于故障机理分析,实现了对活塞泄漏、入口堵塞、轴承破损和电机开路4种典型故障的注入与响应定量分析;利用MATLAB/Simscape搭建了机电液控耦合的多域仿真模型,获取了故障注入后的仿真数据;利用XZQ2200型钻井泵实验数据对完成了数字孪生模型的一致性校验;为演示模型用途,本文利用五缸泵数字孪生模型构建了钻机的循环系统模型,提出了基于TimesNet的故障诊断方法。结果表明,孪生数据与实测数据之间的均方根误差为0.039 2,故障诊断模型在孪生数据集上的故障定位分类正确率为98.33%,故障分类正确率为89.44%。所建立的五缸泵数字孪生模型具有较高保真度,可有效支撑典型故障机理分析与故障诊断模型构建。研究为复杂装备预测性维护提供了新的技术途径。
, authors=张鑫
1, 刘志亮
1, 王晨阳
1, 谢川
2, 饶猛
3, 左明健
1, 3, authorsList=张鑫, 刘志亮, 王晨阳, 谢川, 饶猛, 左明健, authorCompany=null, correspAuthors=刘志亮, authorNote=
, correspAuthorsNote=
刘志亮(1984),男,博士,教授,博士生导师,主要研究方向为复杂装备智能测试、诊断与运维,通信地址:611731四川省成都市高新区(西区)西源大道2006号电子科技大学机械与电气工程学院,E-mail:
zhiliang_liu@uestc.edu.cn。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=bYvhAjZEyB7tUNwnmT1gUg==, magXml=JdFpVyhOWjtSHzS/SqYYZQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=+pym+wUiB9H+wrwgXz8Weg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=LSl2j3dNSRD11LDXNysNWw==, mapNumber=null, fund=null)}, authors=[Author(id=1320037867989090447, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=480340213@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037868060393617, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, authorId=1320037867989090447, language=EN, stringName=Xin ZHANG, firstName=Xin, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1电子科技大学 机械与电气工程学院,成都 611731)])]), Author(id=1320037870967046302, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, 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=1320037871222898848, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, authorId=1320037870967046302, language=EN, stringName=Chuan XIE, firstName=Chuan, middleName=null, lastName=XIE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1电子科技大学 机械与电气工程学院,成都 611731
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五缸泵结构示意, figureFileSmall=qyYyzRazK6M5oe+PFGIzVg==, figureFileBig=+pym+wUiB9H+wrwgXz8Weg==, tableContent=null), ArticleFig(id=1320037875069075641, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.2, caption=
Digital twin model of the five‑cylinder pump power end, figureFileSmall=GlH1uIH03AOxcGltP2o8Kg==, figureFileBig=5HZ6Far1tIBB7EPnyDg4HA==, tableContent=null), ArticleFig(id=1320037875127795898, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图2, caption=
五缸泵动力端数字孪生模型, figureFileSmall=GlH1uIH03AOxcGltP2o8Kg==, figureFileBig=5HZ6Far1tIBB7EPnyDg4HA==, tableContent=null), ArticleFig(id=1320037875199099067, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.3, caption=
Digital twin model of the five‑cylinderpump hydraulic end, figureFileSmall=y99+3E24QlYdJ2/nIHMpZg==, figureFileBig=zyDqhY1fH/1zCs/939WWQQ==, tableContent=null), ArticleFig(id=1320037875291373756, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图3, caption=
五缸泵液力端数字孪生模型, figureFileSmall=y99+3E24QlYdJ2/nIHMpZg==, figureFileBig=zyDqhY1fH/1zCs/939WWQQ==, tableContent=null), ArticleFig(id=1320037875375259837, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.4, caption=
Digital twin model of the five‑cylinder pumpelectrical end, figureFileSmall=E5YzN/dEZHVnefxfkbhX2g==, figureFileBig=+OgX0gP8o5RuU8Xk3Z5ctg==, tableContent=null), ArticleFig(id=1320037875459145918, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图4, caption=
五缸泵电气端数字孪生模型, figureFileSmall=E5YzN/dEZHVnefxfkbhX2g==, figureFileBig=+OgX0gP8o5RuU8Xk3Z5ctg==, tableContent=null), ArticleFig(id=1320037875543031999, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.5, caption=
Digital twin model of the five‑cylinder pumpcontrol end, figureFileSmall=5gprqZLU6YrBXs6y+67J5Q==, figureFileBig=RzXiUpQWQEsMwwHrI09kBg==, tableContent=null), ArticleFig(id=1320037875622723776, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图5, caption=
五缸泵控制端数字孪生模型, figureFileSmall=5gprqZLU6YrBXs6y+67J5Q==, figureFileBig=RzXiUpQWQEsMwwHrI09kBg==, tableContent=null), ArticleFig(id=1320037875698221249, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.6, caption=
Overall digital twin model of the five‑cylinder pump, figureFileSmall=GF+Orgiwxam0SLehP18axg==, figureFileBig=/eewpxVqINF9IlF11pavNw==, tableContent=null), ArticleFig(id=1320037875761135810, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图6, caption=
五缸泵数字孪生总体模型, figureFileSmall=GF+Orgiwxam0SLehP18axg==, figureFileBig=/eewpxVqINF9IlF11pavNw==, tableContent=null), ArticleFig(id=1320037875857604803, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.7, caption=
XZQ2200 experimental platform, figureFileSmall=H5fv4U71m1mZ/egW4u/E+g==, figureFileBig=UwAozeihZy/LeV/vbwjcbA==, tableContent=null), ArticleFig(id=1320037875954073796, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图7, caption=
XZQ2200实验平台, figureFileSmall=H5fv4U71m1mZ/egW4u/E+g==, figureFileBig=UwAozeihZy/LeV/vbwjcbA==, tableContent=null), ArticleFig(id=1320037876037959877, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.8, caption=
Hydraulic end outlet pressure signal, figureFileSmall=b8tJL4YHtqMFcX/UcQAiew==, figureFileBig=eHM6a1SIn3c5EbjLQ2xrEQ==, tableContent=null), ArticleFig(id=1320037876109263046, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图8, caption=
液力端出口压强信号, figureFileSmall=b8tJL4YHtqMFcX/UcQAiew==, figureFileBig=eHM6a1SIn3c5EbjLQ2xrEQ==, tableContent=null), ArticleFig(id=1320037876197343431, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.9, caption=
Spectrum comparison of hydraulic end outletpressure signal, figureFileSmall=+CfSVWHB9HkTW3QVlCpjGA==, figureFileBig=hhxQHLoXKWms4EX6YDJtjw==, tableContent=null), ArticleFig(id=1320037876281229512, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图9, caption=
液力端出口压强信号频谱对比, figureFileSmall=+CfSVWHB9HkTW3QVlCpjGA==, figureFileBig=hhxQHLoXKWms4EX6YDJtjw==, tableContent=null), ArticleFig(id=1320037876339949769, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.13, caption=
Hydraulic end outlet pressure under bearingfault condition, figureFileSmall=dGNaY0UgdDBuXe0/8GfGzA==, figureFileBig=Pi34N/M/XcNRQEKCcRwS2g==, tableContent=null), ArticleFig(id=1320037876398670026, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图13, caption=
轴承故障工况下的液力端出口压强, figureFileSmall=dGNaY0UgdDBuXe0/8GfGzA==, figureFileBig=Pi34N/M/XcNRQEKCcRwS2g==, tableContent=null), ArticleFig(id=1320037876469973195, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.14, caption=
Digital twin model of the circulation system, figureFileSmall=b8565G/Eb6sjkbeIvBjS9w==, figureFileBig=OPPMBFSVku6OLDUIr2wkfg==, tableContent=null), ArticleFig(id=1320037876528693452, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图14, caption=
循环系统数字孪生模型, figureFileSmall=b8565G/Eb6sjkbeIvBjS9w==, figureFileBig=OPPMBFSVku6OLDUIr2wkfg==, tableContent=null), ArticleFig(id=1320037876604190925, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.15, caption=
Fault classification confusion matrix, figureFileSmall=bvDhBGpt2vWoIRRWBBwIDw==, figureFileBig=ChjHx8c/7LoPNOv+m2tUXA==, tableContent=null), ArticleFig(id=1320037876662911182, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图15, caption=
故障分类混淆矩阵, figureFileSmall=bvDhBGpt2vWoIRRWBBwIDw==, figureFileBig=ChjHx8c/7LoPNOv+m2tUXA==, tableContent=null), ArticleFig(id=1320037876725825743, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.16, caption=
Schematic diagram of T-SNE visualization forfault classification, figureFileSmall=arqLueW9V6lFRLjt2ZgzYg==, figureFileBig=nMSpJdeZBMhEye4RKNgeBA==, tableContent=null), ArticleFig(id=1320037876788740304, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图16, caption=
故障分类T-SNE可视化示意, figureFileSmall=arqLueW9V6lFRLjt2ZgzYg==, figureFileBig=nMSpJdeZBMhEye4RKNgeBA==, tableContent=null), ArticleFig(id=1320037876864237777, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Fig.17, caption=
Confusion matrix of localization results in thesecond stage of testing, figureFileSmall=LAQ95nr/mY3H1l1Go55jKQ==, figureFileBig=E1ZmVqjcF9FRgGDLLPYgGw==, tableContent=null), ArticleFig(id=1320037876939735250, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=图17, caption=
试验第二阶段定位结果混淆矩阵, figureFileSmall=LAQ95nr/mY3H1l1Go55jKQ==, figureFileBig=E1ZmVqjcF9FRgGDLLPYgGw==, tableContent=null), ArticleFig(id=1320037877023621331, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.1, caption=
Mechanical system model parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| /m | 0.1 | /kg | 59.712 |
| /m | 0 | /kg | 91.087 |
| /m | 0.57 | /Pa | 101 325 |
| /m | 1.14 | /() | 4 348.098 |
| /m | 1.71 | /() | 389.153 |
| /m | 2.28 | /m2 | 0.000 15 |
| /m | 0.405 | /m2 | 0.000 452 |
), ArticleFig(id=1320037877107507412, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表1, caption=
机械系统模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| /m | 0.1 | /kg | 59.712 |
| /m | 0 | /kg | 91.087 |
| /m | 0.57 | /Pa | 101 325 |
| /m | 1.14 | /() | 4 348.098 |
| /m | 1.71 | /() | 389.153 |
| /m | 2.28 | /m2 | 0.000 15 |
| /m | 0.405 | /m2 | 0.000 452 |
), ArticleFig(id=1320037878789423317, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.2, caption=
Hydraulic system model parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| | 0.7 | /m2 | 0.03 |
| /(kg⋅m-3) | 1 000 | /Pa | 120 000 |
| /Pa | 80 000 | /m2 | 0.000 1 |
| /(N⋅m-1) | 2.2×109 | /m2 | 1×10-12 |
| /(kg⋅s-1) | 0.001 | | 150 |
| /m2 | 3.6×10-5 | /m3 | 1.0×10-3 |
| /m3 | 1.45×10-3 | | |
), ArticleFig(id=1320037878902669526, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表2, caption=
液压系统模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| | 0.7 | /m2 | 0.03 |
| /(kg⋅m-3) | 1 000 | /Pa | 120 000 |
| /Pa | 80 000 | /m2 | 0.000 1 |
| /(N⋅m-1) | 2.2×109 | /m2 | 1×10-12 |
| /(kg⋅s-1) | 0.001 | | 150 |
| /m2 | 3.6×10-5 | /m3 | 1.0×10-3 |
| /m3 | 1.45×10-3 | | |
), ArticleFig(id=1320037878990749911, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.3, caption=
Fault parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| /m2 | 0.003 0 |
| | 0.000 4 |
), ArticleFig(id=1320037879062053080, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表3, caption=
故障参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
|---|
| /m2 | 0.003 0 |
| | 0.000 4 |
), ArticleFig(id=1320037879141744857, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.5, caption=
Dataset sample types
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集样本类型 | 样本数目 | 样本长度 | 标签 |
|---|
| 1号泵电机故障 | 90 | 10 000×1 | 1 |
| 2号泵电机故障 | 90 | 10 000×1 | 2 |
| 3号泵电机故障 | 90 | 10 000×1 | 3 |
| 1号泵活塞泄漏 | 90 | 10 000×1 | 4 |
| 2号泵活塞泄漏 | 90 | 10 000×1 | 5 |
| 3号泵活塞泄漏 | 90 | 10 000×1 | 6 |
| 1号泵入口堵塞 | 90 | 10 000×1 | 7 |
| 2号泵入口堵塞 | 90 | 10 000×1 | 8 |
| 3号泵入口堵塞 | 90 | 10 000×1 | 9 |
| 正常运行工况 | 270 | 10 000×1 | 10 |
), ArticleFig(id=1320037879213048026, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表5, caption=
数据集样本类型
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集样本类型 | 样本数目 | 样本长度 | 标签 |
|---|
| 1号泵电机故障 | 90 | 10 000×1 | 1 |
| 2号泵电机故障 | 90 | 10 000×1 | 2 |
| 3号泵电机故障 | 90 | 10 000×1 | 3 |
| 1号泵活塞泄漏 | 90 | 10 000×1 | 4 |
| 2号泵活塞泄漏 | 90 | 10 000×1 | 5 |
| 3号泵活塞泄漏 | 90 | 10 000×1 | 6 |
| 1号泵入口堵塞 | 90 | 10 000×1 | 7 |
| 2号泵入口堵塞 | 90 | 10 000×1 | 8 |
| 3号泵入口堵塞 | 90 | 10 000×1 | 9 |
| 正常运行工况 | 270 | 10 000×1 | 10 |
), ArticleFig(id=1320037879284351195, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.6, caption=
Definition of test labels
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号名称 | 原始标签 | 标签 |
|---|
| 电机故障信号 | 标签1,2,3 | 1 |
| 活塞泄漏信号 | 标签4,5,6 | 2 |
| 入口堵塞信号 | 标签7,8,9 | 3 |
| 正常信号 | 标签10 | 4 |
), ArticleFig(id=1320037879397597404, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表6, caption=
试验标签定义
, figureFileSmall=null, figureFileBig=null, tableContent=
| 信号名称 | 原始标签 | 标签 |
|---|
| 电机故障信号 | 标签1,2,3 | 1 |
| 活塞泄漏信号 | 标签4,5,6 | 2 |
| 入口堵塞信号 | 标签7,8,9 | 3 |
| 正常信号 | 标签10 | 4 |
), ArticleFig(id=1320037879615701213, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=EN, label=Tab.7, caption=
Performance evaluation results of the faultclassification model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 统计指标 | 总体准确率/% | 宏平均 精度/% | 宏平均召回率/% | 宏平均F1分数/% |
|---|
| 数值 | 89.44 | 89.30 | 89.44 | 89.37 |
), ArticleFig(id=1320037879712170206, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037861664079966, language=CN, label=表7, caption=
故障分类模型的性能评价结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 统计指标 | 总体准确率/% | 宏平均 精度/% | 宏平均召回率/% | 宏平均F1分数/% |
|---|
| 数值 | 89.44 | 89.30 | 89.44 | 89.37 |
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