Article(id=1149729544325742610, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.03.021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725811200000, receivedDateStr=2024-09-09, revisedDate=1733068800000, revisedDateStr=2024-12-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046484308, onlineDateStr=2025-07-09, pubDate=1748707200000, pubDateStr=2025-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046484308, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046484308, creator=13701087609, updateTime=1752046484308, updator=13701087609, issue=Issue{id=1149729526025994706, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='3', pageStart='1', pageEnd='161', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1752046479946, creator=13701087609, updateTime=1753780086246, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000797948039291, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000797948039292, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=153, endPage=161, ext={EN=ArticleExt(id=1149729544690647062, articleId=1149729544325742610, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Research on 3D Visualization Monitoring and Fault Diagnosis Methods for Urban Rail Transit Switch Machines Based on Digital Twins Technology, columnId=1152669334582243706, journalTitle=Urban Rapid Rail Transit, columnName=Electrical and Mechanical Engineering, runingTitle=null, highlight=null, articleAbstract=
To improve the visualization of switch machine status monitoring and the intelligence of fault diagnosis by urban rail transit operators, a 3D visualization monitoring and fault diagnosis method of switch machine based on digital twin is proposed, which provides a powerful technical support for the realtime monitoring of switch machine status, highquality transmission of operation data, and the precise alarm of equipment faults. Compared with the existing intelligent operation and maintenance system of Switch Machines, this study uses digital twin technology to establish a highfidelity model, maps the fieldworking Switch Machines in the information space through realtime interaction of data, and realizes threedimensional visual monitoring of Switch Machines indoors through WebGL and model lightening technology; in view of the small number of samples of fault data for switch machines in the field, it establishes a combined model of CNNTransformer to achieve fault diagnosis. To achieve the fault diagnosis of switch machines, the fault diagnosis accuracy rate is 98.67% under the condition of imbalance between normal data and fault data; In order to verify the feasibility of the proposed framework and the improved algorithmic approach, a 3D visualization monitoring and fault diagnosis platform for switch machines based on digital twins is designed.
, correspAuthors=Zhenhai ZHANG, 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, authorCompany=null, fund=null, authors=null, authorsList=Yan ZHENG, Zhenhai ZHANG, Zhaohui LIANG, Zhang MA), CN=ArticleExt(id=1149729561409143781, articleId=1149729544325742610, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=基于数字孪生的转辙机可视化监控与故障诊断方法研究, columnId=1152669334955536763, journalTitle=都市快轨交通, columnName=机电工程, runingTitle=null, highlight=null, articleAbstract=
为提高城市轨道交通作业人员对转辙机工作时状态监测的可视化与故障诊断的智能化,提出一种基于数字孪生的转辙机三维可视化监控与故障诊断方法,为转辙机工作状态的实时监测、运行数据的高质量传输和设备故障的精准化报警提供有力的技术支持。相较现有转辙机智能运维系统,本研究利用数字孪生技术建立高保真模型,通过数据的实时交互将现场工作的转辙机映射于信息空间,通过WebGL 与模型轻量化技术实现在室内对转辙机的三维可视化监控;针对现场转辙机故障数据样本较少,建立CNNTransformer 的组合模型实现转辙机的故障诊断,在正常数据与故障数据不平衡的条件下故障诊断精确率为98.67%。为验证所提框架及改进算法方法的可行性,设计基于数字孪生的转辙机三维可视化监控与故障诊断平台。
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1 College of Automation and Electrical Engineering Lanzhou Jiaotong University Lanzhou 730070), AuthorCompanyExt(id=1154050850289869105, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, companyId=1154050850281480495, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 兰州交通大学 自动化与电气工程学院 兰州 730070)]), AuthorCompany(id=1154050850356977971, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, xref=2, ext=[AuthorCompanyExt(id=1154050850365366580, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, companyId=1154050850356977971, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 China State Railway Group Co., Ltd. Beijing 100844), AuthorCompanyExt(id=1154050850369560885, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, companyId=1154050850356977971, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 中国国家铁路集团有限公司 工程管理中心 北京 100844)])], figs=[ArticleFig(id=1154050855100735885, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 1, caption=
Framework for $3\mathrm{D}$ visualization monitoring and fault diagnosis of switch machines based on digital twin technology, figureFileSmall=f2uF1bHk4QSM/3JG0PqWLQ==, figureFileBig=QflV9odlOs0eLlB0TnmCnw==, tableContent=null), ArticleFig(id=1154050855201399183, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图1, caption=
基于数字孪生技术的道岔转辙机三维可视化监控与故障诊断框架, figureFileSmall=f2uF1bHk4QSM/3JG0PqWLQ==, figureFileBig=QflV9odlOs0eLlB0TnmCnw==, tableContent=null), ArticleFig(id=1154050855255925137, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 2, caption=
Data acquisition and governance of switch machines based on cloud-edge collaboration, figureFileSmall=rTgqJCIpoVMR5y6zJYUIfQ==, figureFileBig=vWdhwG6aRCfoQ5m8qzp0GQ==, tableContent=null), ArticleFig(id=1154050855310451091, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图2, caption=
基于云边协同的道岔转辙机数据采集与治理, figureFileSmall=rTgqJCIpoVMR5y6zJYUIfQ==, figureFileBig=vWdhwG6aRCfoQ5m8qzp0GQ==, tableContent=null), ArticleFig(id=1154050855377559957, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 3, caption=
Overall structure of the master control unit, figureFileSmall=m3T4ARfoBZ2Zp2C1VVSMJA==, figureFileBig=d5d6QmnFXseyoZ+gCMr4aQ==, tableContent=null), ArticleFig(id=1154050855427891607, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图3, caption=
主控单元总体结构, figureFileSmall=m3T4ARfoBZ2Zp2C1VVSMJA==, figureFileBig=d5d6QmnFXseyoZ+gCMr4aQ==, tableContent=null), ArticleFig(id=1154050855524360602, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 4, caption=
Sectional view of switch displacement monitor, figureFileSmall=ruJb8wF/GUzHDQkU8q23UA==, figureFileBig=ZFZfDoPbySSJ9D2E4h0lfw==, tableContent=null), ArticleFig(id=1154050855612440988, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图4, caption=
道岔位移监测器剖视图, figureFileSmall=ruJb8wF/GUzHDQkU8q23UA==, figureFileBig=ZFZfDoPbySSJ9D2E4h0lfw==, tableContent=null), ArticleFig(id=1154050855687938461, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 5, caption=
Web-based three-dimensional visualization and monitoring of switch machines, figureFileSmall=TwZP8g3Yd7P28O+VMpJjGQ==, figureFileBig=N3r3/fSQ2odTWJ14y6ZmvA==, tableContent=null), ArticleFig(id=1154050855738270111, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图5, caption=
基于 Web 的道岔转辙机三维可视化监控, figureFileSmall=TwZP8g3Yd7P28O+VMpJjGQ==, figureFileBig=N3r3/fSQ2odTWJ14y6ZmvA==, tableContent=null), ArticleFig(id=1154050855784407457, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 6, caption=
Monitor measuring principle, figureFileSmall=St9b1y6SYjdR9OEk77AgUw==, figureFileBig=ELBfu/WCQm2qv1SLQR49kA==, tableContent=null), ArticleFig(id=1154050855838933411, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图6, caption=
监测器测量原理, figureFileSmall=St9b1y6SYjdR9OEk77AgUw==, figureFileBig=ELBfu/WCQm2qv1SLQR49kA==, tableContent=null), ArticleFig(id=1154050855885070757, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Figure 7, caption=
Digital twin-based three-dimensional visualization and monitoring platform for switch machines, figureFileSmall=UNoz5uaH6ocAAT9h0Hspuw==, figureFileBig=nSPoQ92GPeysoJdBE9XicA==, tableContent=null), ArticleFig(id=1154050855939596711, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=图7, caption=
基于数字孪生的道岔转辙机三维可视化监控平台, figureFileSmall=UNoz5uaH6ocAAT9h0Hspuw==, figureFileBig=nSPoQ92GPeysoJdBE9XicA==, tableContent=null), ArticleFig(id=1154050856010899880, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Table 1, caption=
Common faults and causes of S700K switch machine, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障编码 | 故障现象 | 故障原因 |
| ${\mathrm{F}}_{1}$ | 功率在转换阶段的 2.5 s 处迅 速上升并稳定 | 下拉装备异常,无法 解锁 |
| ${\mathrm{F}}_{2}$ | 进入转换阶段波动异常,解锁 耗时长 | 道岔存在异常阻力导 致卡阻 |
| ${\mathrm{F}}_{3}$ | 进入锁闭时阶段功率增幅异常 | 存在异物阻碍动作杆 工作 |
| ${\mathrm{F}}_{4}$ | 进入锁闭前功率小幅增长 | 杆件转置等出现松动 |
| ${\mathrm{F}}_{5}$ | 功率呈阶梯状上升, 锁闭阶段 有异常上幅波动 | 锁闭块或锁舌卡死 |
| ${\mathrm{F}}_{6}$ | 完成锁闭阶段时功率异常增 加并保持 | 转辙机缺口出现变化 |
| ${\mathrm{F}}_{7}$ | 完成锁闭阶段后,功率无法降 为 $0\mathrm{\;{kW}}$ | 断相表示器故障 |
| ${\mathrm{F}}_{8}$ | 完成锁闭阶段后功率起伏波 动异常 | 二极管失效,表示电 路故障 |
), ArticleFig(id=1154050856073814442, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=表1, caption=
S700K 转辙机常见故障现象及原因, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障编码 | 故障现象 | 故障原因 |
| ${\mathrm{F}}_{1}$ | 功率在转换阶段的 2.5 s 处迅 速上升并稳定 | 下拉装备异常,无法 解锁 |
| ${\mathrm{F}}_{2}$ | 进入转换阶段波动异常,解锁 耗时长 | 道岔存在异常阻力导 致卡阻 |
| ${\mathrm{F}}_{3}$ | 进入锁闭时阶段功率增幅异常 | 存在异物阻碍动作杆 工作 |
| ${\mathrm{F}}_{4}$ | 进入锁闭前功率小幅增长 | 杆件转置等出现松动 |
| ${\mathrm{F}}_{5}$ | 功率呈阶梯状上升, 锁闭阶段 有异常上幅波动 | 锁闭块或锁舌卡死 |
| ${\mathrm{F}}_{6}$ | 完成锁闭阶段时功率异常增 加并保持 | 转辙机缺口出现变化 |
| ${\mathrm{F}}_{7}$ | 完成锁闭阶段后,功率无法降 为 $0\mathrm{\;{kW}}$ | 断相表示器故障 |
| ${\mathrm{F}}_{8}$ | 完成锁闭阶段后功率起伏波 动异常 | 二极管失效,表示电 路故障 |
), ArticleFig(id=1154050856124146093, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Table 2, caption=
Hyperparameter settings of fault diagnosis model, figureFileSmall=null, figureFileBig=null, tableContent=
| 超参数名称 | 超参数值 |
| 学习率 | 0.001 |
| Epoch | 50 |
| Dropout | 0.01 |
| Transformer Embedding 维度 | 16 |
| Transformer FFN 维度 | 256 |
| 多头注意力的头数 | 8 |
| 固定位置编码 | tAPE |
| 相对位置编码 | eRPE |
| 批量大小 | 16 |
| 网络架构 | CNN-Transformer |
| 数据归一化 | False |
), ArticleFig(id=1154050856174477744, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=表2, caption=
故障诊断模型超参数设置, figureFileSmall=null, figureFileBig=null, tableContent=
| 超参数名称 | 超参数值 |
| 学习率 | 0.001 |
| Epoch | 50 |
| Dropout | 0.01 |
| Transformer Embedding 维度 | 16 |
| Transformer FFN 维度 | 256 |
| 多头注意力的头数 | 8 |
| 固定位置编码 | tAPE |
| 相对位置编码 | eRPE |
| 批量大小 | 16 |
| 网络架构 | CNN-Transformer |
| 数据归一化 | False |
), ArticleFig(id=1154050856245780914, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=EN, label=Table 3, caption=
Performance comparison of different fault diagnosis models, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 精确率1% | 召回率1% | 值/% | 时间 /s |
| 1DCNN | 95.47 | 95.31 | 95.39 | 92 |
| LSTM | 94.82 | 94.67 | 94.74 | 264 |
| 1DCNN-BiLSTM | 97.13 | 97.13 | 97.12 | 143 |
| PCA-HMM | 91.54 | 91.51 | 91.52 | 304 |
| CDET-MPSO-SVM | 95.24 | 95.21 | 95.22 | 717 |
| CNN-Transformer | 98.67 | 98.63 | 98.65 | 136 |
), ArticleFig(id=1154050856308695476, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729544325742610, language=CN, label=表3, caption=
不同故障诊断模型性能对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 精确率1% | 召回率1% | 值/% | 时间 /s |
| 1DCNN | 95.47 | 95.31 | 95.39 | 92 |
| LSTM | 94.82 | 94.67 | 94.74 | 264 |
| 1DCNN-BiLSTM | 97.13 | 97.13 | 97.12 | 143 |
| PCA-HMM | 91.54 | 91.51 | 91.52 | 304 |
| CDET-MPSO-SVM | 95.24 | 95.21 | 95.22 | 717 |
| CNN-Transformer | 98.67 | 98.63 | 98.65 | 136 |
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