Article(id=1156264262138974844, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403476, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1715356800000, receivedDateStr=2024-05-11, revisedDate=1734364800000, revisedDateStr=2024-12-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1753604482444, onlineDateStr=2025-07-27, pubDate=1740672000000, pubDateStr=2025-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753604482444, onlineIssueDateStr=2025-07-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753604482444, creator=13701087609, updateTime=1753604482444, updator=13701087609, issue=Issue{id=1156264148657886112, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='6', pageStart='2193', pageEnd='2636', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753604455388, creator=13701087609, updateTime=1753771257443, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156963767234945803, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156963767234945804, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2548, endPage=2553, ext={EN=ArticleExt(id=1156264263418237571, articleId=1156264262138974844, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Prediction of Platform Door Structure Deformation of High-Speed Railway Based on Artificial Intelligence, columnId=1156262728772735295, journalTitle=Science Technology and Engineering, columnName=Papers·Traffics and Transportations, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of real-time monitoring and accurate prediction of structural deformation of platform doors on high-speed railway lines, an artificial intelligence-based neural network method was used. Structural deformation data of platform doors, involving 210 different conditions of train length, blocking ratio, installation distance, and speed, were selected as training samples for the network model. Two neural network models, CNN(convolutional neural network) and K-Fold(K-Fold cross-validation) optimized GRNN(general regression neural network), were used to establish predictive models for platform door structural deformation under different working conditions of high-speed railways. These models were compared and verified with the remaining sample data. The research shows that both models effectively predict the operation and maintenance data of railway platform door structures. The K-Fold optimized GRNN model is superior to the CNN model in prediction accuracy. The Mean Square Error of the K-Fold optimized GRNN model is maintained within 0.22, and theRoot Mean Square Error is within 0.27, which is at the leading level in the field. The K-Fold optimized GRNN model better predicts the structural deformation of platform doors when trains pass, providing data references for the design and maintenance of high-speed railway platform doors.
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为了解决运营线路站台门结构变形难以实时监控的问题,精准预测列车过站时高速铁路站台门的结构变形数据,采用基于人工智能的神经网络方法,选取210种不同车长、阻塞比、安装距离和车速的站台门结构变形数据作为网络模型训练样本,运用CNN(convolutional neural network)和基于K-Fold(K-fold cross-validation)的GRNN(general regression neural network)两种神经网络模型,建立了不同工况下的高速铁路站台门结构变形的预测模型,并与剩余样本数据进行对比验证。研究表明,两种模型均可有效预测铁路站台门结构运维数据,在预测精度上,基于K-Fold优化的GRNN模型优于CNN模型,基于K-Fold优化的GRNN模型的预测均方差能够维持在0.22之内,均方根误差维持在0.27之内,处于研究领域的领先水平。基于K-Fold优化的GRNN模型能够较好预测列车过站时的站台门结构形变量,为高速铁路站台门的设计与运维提供数据参考。
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1 Graduate Department, China Academy of Railway Sciences, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1233422548470395769, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, authorId=1233422548059353940, language=CN, stringName=杨博璇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国铁道科学研究院研究生部, 北京 100081, bio={"content":"
杨博璇(1999—),女,汉族,河北石家庄人,硕士研究生。研究方向:智能轨道交通与安全防护技术。E-mail:yyy202302@163.com。
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杨博璇(1999—),女,汉族,河北石家庄人,硕士研究生。研究方向:智能轨道交通与安全防护技术。E-mail:yyy202302@163.com。
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2 中国铁道科学研究院集团有限公司电子计算技术研究所, 北京 100081)])], figs=[ArticleFig(id=1233422553184792780, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.1, caption=
CNN neural network structure diagram, figureFileSmall=9ja/axGjuCwWl6t3GqYm1w==, figureFileBig=FK256s9Ir8f/2bVADJf7/w==, tableContent=null), ArticleFig(id=1233422553289650394, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图1, caption=
CNN神经网络结构图, figureFileSmall=9ja/axGjuCwWl6t3GqYm1w==, figureFileBig=FK256s9Ir8f/2bVADJf7/w==, tableContent=null), ArticleFig(id=1233422554770239723, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.2, caption=
GRNN neural network structure diagram, figureFileSmall=SwwlTFKj0QkAPbA14IwiCw==, figureFileBig=SsdazsGtCYw7VOO6DVasog==, tableContent=null), ArticleFig(id=1233422554875097336, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图2, caption=
GRNN神经网络结构图, figureFileSmall=SwwlTFKj0QkAPbA14IwiCw==, figureFileBig=SsdazsGtCYw7VOO6DVasog==, tableContent=null), ArticleFig(id=1233422555055452417, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.3, caption=
K-Fold cross verification diagram, figureFileSmall=7MDi7Bu60kd/C6uSmIVqGQ==, figureFileBig=QZ/HVXRMxM/Ej6kefi5o5g==, tableContent=null), ArticleFig(id=1233422555214835984, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图3, caption=
K重交叉验证示意图, figureFileSmall=7MDi7Bu60kd/C6uSmIVqGQ==, figureFileBig=QZ/HVXRMxM/Ej6kefi5o5g==, tableContent=null), ArticleFig(id=1233422555332276506, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.4, caption=
Relation between mean square error and number of iterations, figureFileSmall=kmuOusJmLgmKs6i2FLMj/w==, figureFileBig=eWKy45jRPoE5LlvI1Y5PRw==, tableContent=null), ArticleFig(id=1233422555487465773, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图4, caption=
均方误差和迭代次数的关系, figureFileSmall=kmuOusJmLgmKs6i2FLMj/w==, figureFileBig=eWKy45jRPoE5LlvI1Y5PRw==, tableContent=null), ArticleFig(id=1233422555684598075, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.5, caption=
Comparison between the real value and the predicted value of CNN model, figureFileSmall=W7fPRQgXoqHPZJSqKdCxtQ==, figureFileBig=tY9PS3HZ6C3h1Ng8M6WWag==, tableContent=null), ArticleFig(id=1233422555835593030, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图5, caption=
真实值与CNN模型预测值对比, figureFileSmall=W7fPRQgXoqHPZJSqKdCxtQ==, figureFileBig=tY9PS3HZ6C3h1Ng8M6WWag==, tableContent=null), ArticleFig(id=1233422555974005073, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.6, caption=
Comparison between the real value and the predicted value of GRNN model based on K-Fold optimization, figureFileSmall=M3cZwRpifWfESudy/EWuww==, figureFileBig=Fq0/K9w36GfVuUV1zfgRhg==, tableContent=null), ArticleFig(id=1233422556112417120, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图6, caption=
真实值与基于K-Fold优化的GRNN模型预测值对比, figureFileSmall=M3cZwRpifWfESudy/EWuww==, figureFileBig=Fq0/K9w36GfVuUV1zfgRhg==, tableContent=null), ArticleFig(id=1233422556259217770, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Fig.7, caption=
Comparison of actual values with model predictions, figureFileSmall=j+FlS5F+UureBrwpoBMBSw==, figureFileBig=JSG8HFTDiMYQMTqGOfd19w==, tableContent=null), ArticleFig(id=1233422556401824119, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=图7, caption=
实际值与模型预测值对比, figureFileSmall=j+FlS5F+UureBrwpoBMBSw==, figureFileBig=JSG8HFTDiMYQMTqGOfd19w==, tableContent=null), ArticleFig(id=1233422556494098812, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Table 1, caption=
Sample validation data table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 车长/ m | 阻塞比 | 安装距离/ mm | 车速/ (km·h-1) | 形变量/ mm |
| 1 | 101.4 | 5.5 | 700 | 200 | 6.99 |
| 2 | 151.4 | 5.78 | 1 000 | 100 | 2.12 |
| 3 | 151.4 | 5.78 | 1 000 | 120 | 2.69 |
| 4 | 187.0 | 5.93 | 700 | 200 | 8.29 |
| 5 | 201.4 | 6.25 | 1 500 | 140 | 4.13 |
| 6 | 201.4 | 6.25 | 1 500 | 160 | 4.68 |
| 7 | 187.0 | 6.24 | 1 000 | 140 | 3.83 |
| 8 | 95.8 | 6.45 | 1 200 | 120 | 4.93 |
), ArticleFig(id=1233422556624122245, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=CN, label=表1, caption=
样本验证数据表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 车长/ m | 阻塞比 | 安装距离/ mm | 车速/ (km·h-1) | 形变量/ mm |
| 1 | 101.4 | 5.5 | 700 | 200 | 6.99 |
| 2 | 151.4 | 5.78 | 1 000 | 100 | 2.12 |
| 3 | 151.4 | 5.78 | 1 000 | 120 | 2.69 |
| 4 | 187.0 | 5.93 | 700 | 200 | 8.29 |
| 5 | 201.4 | 6.25 | 1 500 | 140 | 4.13 |
| 6 | 201.4 | 6.25 | 1 500 | 160 | 4.68 |
| 7 | 187.0 | 6.24 | 1 000 | 140 | 3.83 |
| 8 | 95.8 | 6.45 | 1 200 | 120 | 4.93 |
), ArticleFig(id=1233422556770922899, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Table 2, caption=
CNN model parameter values
, figureFileSmall=null, figureFileBig=null, tableContent=
参数更新 步长 | 最大迭 代次数 | 小批量 数据 | Shuffle/ every-epoch |
| 0.1 | 120 | 32 | 1 |
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CNN模型参数取值
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参数更新 步长 | 最大迭 代次数 | 小批量 数据 | Shuffle/ every-epoch |
| 0.1 | 120 | 32 | 1 |
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K-Fold parameter selection
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K-Fold参数选取
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Comparison of prediction errors of CNN and K-Fold GRNN
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| 序号 | 真实值/ mm | CNN | K-Fold GRNN |
预测值/ mm | 误差率 | 预测值/ mm | 误差率 |
| 1 | 6.99 | 6.64 | -0.050 | 7.07 | 0.011 |
| 2 | 2.12 | 2.08 | -0.018 | 2.40 | 0.132 |
| 3 | 2.69 | 2.97 | 0.104 | 3.03 | 0.126 |
| 4 | 8.29 | 7.31 | -0.118 | 7.98 | -0.037 |
| 5 | 4.13 | 3.74 | -0.094 | 3.85 | -0.067 |
| 6 | 4.68 | 4.69 | 0.002 | 4.76 | 0.017 |
| 7 | 3.83 | 4.15 | 0.083 | 3.97 | 0.036 |
| 8 | 4.93 | 5.09 | 0.032 | 4.89 | -0.008 |
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CNN与K-Fold GRNN预测误差对比
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| 序号 | 真实值/ mm | CNN | K-Fold GRNN |
预测值/ mm | 误差率 | 预测值/ mm | 误差率 |
| 1 | 6.99 | 6.64 | -0.050 | 7.07 | 0.011 |
| 2 | 2.12 | 2.08 | -0.018 | 2.40 | 0.132 |
| 3 | 2.69 | 2.97 | 0.104 | 3.03 | 0.126 |
| 4 | 8.29 | 7.31 | -0.118 | 7.98 | -0.037 |
| 5 | 4.13 | 3.74 | -0.094 | 3.85 | -0.067 |
| 6 | 4.68 | 4.69 | 0.002 | 4.76 | 0.017 |
| 7 | 3.83 | 4.15 | 0.083 | 3.97 | 0.036 |
| 8 | 4.93 | 5.09 | 0.032 | 4.89 | -0.008 |
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Comparison of MEA and RMSE of two models
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| 神经网络模型 | 均方差MEA | 均方根误差RMSE |
| CNN | 0.337 3 | 0.434 3 |
| K-Fold GRNN | 0.223 9 | 0.265 2 |
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两种模型的MEA与RMSE对比
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| 神经网络模型 | 均方差MEA | 均方根误差RMSE |
| CNN | 0.337 3 | 0.434 3 |
| K-Fold GRNN | 0.223 9 | 0.265 2 |
), ArticleFig(id=1233422557806916074, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264262138974844, language=EN, label=Table 6, caption=
Comparison of the optimal accuracy of two prediction methods
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| 预测方法 | 均方差 MEA | 均方根误差 RMSE |
| 有限元仿真(城际铁路)[7] | 0.43 | 0.31 |
| 有限元仿真(高速铁路)[6] | 0.38 | 0.28 |
| 机器学习(高速铁路) | 0.22 | 0.27 |
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两种预测方法最优精度对比
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| 预测方法 | 均方差 MEA | 均方根误差 RMSE |
| 有限元仿真(城际铁路)[7] | 0.43 | 0.31 |
| 有限元仿真(高速铁路)[6] | 0.38 | 0.28 |
| 机器学习(高速铁路) | 0.22 | 0.27 |
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