Article(id=1156986625868784228, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402034, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1710950400000, receivedDateStr=2024-03-21, revisedDate=1734278400000, revisedDateStr=2024-12-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1753776707378, onlineDateStr=2025-07-29, pubDate=1742227200000, pubDateStr=2025-03-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753776707378, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753776707378, creator=13701087609, updateTime=1753776707378, updator=13701087609, issue=Issue{id=1156963927277003616, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='8', pageStart='3079', pageEnd='3528', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753771295613, creator=13701087609, updateTime=1753777038876, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156988016305726153, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156988016305726154, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156963927277003616, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3296, endPage=3303, ext={EN=ArticleExt(id=1156986627806552687, articleId=1156986625868784228, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Identification and Location of Leakage Aperture of Underground Water Supply Pipeline in Coal Mine, columnId=1156963928489157478, journalTitle=Science Technology and Engineering, columnName=Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
In order to quickly identify the location of the leakage point and the leak aperture in the coal mine, a model was proposed for identifying and locating the leak aperture by using the pressure and flow signals generated when the water supply pipeline leaked. Modal energy entropy and genetic algorithm combined with envelope entropy were used to optimize the parameters of variational mode decomposition (VMD), and then VMD was used to denoise the pressure signal. Convolutional neural network (CNN) was used to extract the deep feature sequence of pressure and flow signal, and the long short-term memory network (LSTM) was used to extract the time sequence of deep feature sequence to identify and locate the leak aperture. The experimental results show that compared with Kalman filter, mean value filter and low-pass filter, the variational modal decomposition with optimized parameters has higher root-mean-square error (RMSE), mean absolute error (MAE), signal-to-noise ratio (SNR) and normalized cross correlation (NCC), which indicates that it can effectively reduce noise components and retain effective signals. Compared with LSTM, the MAE, mean absolute percentage error (MAPE) and RMSE of CNN-LSTM in leak location decrease by 65.97%, 61.22% and 59.11%. In the identification of leak aperture, MAE decreases by 12.04%, MAPE decreases by 22.45%, and RMSE decreases by 3.29%, which proves that CNN-LSTM can make full use of the spatial and temporal characteristics of pipeline pressure and flow signals to identify the leak location and aperture, and its detection effect is more accurate and stable than LSTM.
, correspAuthors=Zhen CHEN, 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=Jing-yi DU, Zhen CHEN, Jia-wei ZHANG, Chen LI, Rui GAO, Peng WANG), CN=ArticleExt(id=1156986809591882028, articleId=1156986625868784228, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=煤矿井下供水管道泄漏孔径识别与定位, columnId=1154013913436902243, journalTitle=科学技术与工程, columnName=自动化技术、计算机技术, runingTitle=null, highlight=null, articleAbstract=
为快速识别煤矿井下泄漏点的位置及泄漏孔径,利用供水管道泄漏时产生的压力及流量信号,提出一种泄漏孔径识别与定位模型。首先利用模态能量熵和遗传算法结合包络熵对变分模态分解(variational mode decomposition,VMD) 进行参数优化,再使用VMD 对压力信号进行降噪处理;采用卷积神经网络(convolutional neural networks, CNN) 提取压力及流量信号的深层特征序列,长短时记忆网络(long short- term memory, LSTM) 提取深层特征序列的时序特征,进行泄漏孔径识别与定位。实验结果表明:经过参数优化的变分模态分解,相较卡尔曼滤波、均值滤波、低通滤波在均方根误差(root mean square error,RMSE) 、平均绝对误差(mean absolute error, MAE) 、信噪比(signal to noise ratio, SNR) 、归一化互相关系数(normalized cross correlation, NCC) 上均有提高,表明其能够有效降低噪声成分,保留有效信号;CNN-LSTM 相较LSTM,在泄漏点定位中,MAE降低了65. 97% ,平均绝对百分比误差( mean absolute percentage error, MAPE) 降低了61. 22% ,RMSE 降低了59. 11% 。在泄漏孔径识别中,MAE 降低了12. 04% ,MAPE 降低了22. 45% ,RMSE 降低了3. 29% ,证明CNN-LSTM 可以充分利用管道压力及流量信号的空间及时间特征进行泄漏位置及孔径的识别,其检测效果相较LSTM 更加准确和稳定。
, correspAuthors=陈镇, authorNote=null, correspAuthorsNote=
*陈镇(1999—),男,汉族,安徽六安人,硕士研究生。研究方向:模式识别与嵌入式系统。E-mail:1745293122@qq.com。
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杜京义(1965—),男,汉族,山东淄博人,博士,教授。研究方向:检测技术及其自动化。E-mail:517571853@qq.com。
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1 College of Electrical and Control Engineering Xi'an University of Science and Technology Xi'an 710054 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156986812481757571, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, authorId=1156986812360122750, language=CN, stringName=杜京义, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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杜京义(1965—),男,汉族,山东淄博人,博士,教授。研究方向:检测技术及其自动化。E-mail:517571853@qq.com。
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杜京义(1965—),男,汉族,山东淄博人,博士,教授。研究方向:检测技术及其自动化。E-mail:517571853@qq.com。
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Parameter optimization workflow, figureFileSmall=bjSEZd2qjJVkwIvCf1gg5Q==, figureFileBig=RPxkmsP81PfOcBKIArsd4g==, tableContent=null), ArticleFig(id=1156986820098613781, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图2, caption=
参数寻优工作流程, figureFileSmall=bjSEZd2qjJVkwIvCf1gg5Q==, figureFileBig=RPxkmsP81PfOcBKIArsd4g==, tableContent=null), ArticleFig(id=1156986820169916950, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 3, caption=
Three gate structures of LSTM, figureFileSmall=DiVSLwtuEuzuKspC/sUufQ==, figureFileBig=luVSsdilXaZj30NPpIzB1Q==, tableContent=null), ArticleFig(id=1156986820228637207, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图3, caption=
LSTM 3 种门结构 ${\mathbf{C}}_{t - 1}$ 为上一时刻的状态;${\mathbf{C}}_{t}$ 为当前时刻的状态;${\mathbf{h}}_{t - 1}$ 为前一时刻的隐藏状态信息;${\mathbf{h}}_{t}$ 为当前时刻隐藏状态;$\sigma$ 为 sigmoid 激活函数; tanh 为双曲正切激活函数
, figureFileSmall=DiVSLwtuEuzuKspC/sUufQ==, figureFileBig=luVSsdilXaZj30NPpIzB1Q==, tableContent=null), ArticleFig(id=1156986820295746072, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 4, caption=
Leakage transient simulation calculation model, figureFileSmall=+n4rqNArfvx+yCG/9lJsKw==, figureFileBig=hEadmzfW/URcodVI0bkujw==, tableContent=null), ArticleFig(id=1156986820341883417, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图4, caption=
泄漏瞬态仿真计算模型, figureFileSmall=+n4rqNArfvx+yCG/9lJsKw==, figureFileBig=hEadmzfW/URcodVI0bkujw==, tableContent=null), ArticleFig(id=1156986820408992282, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 5, caption=
Original signal and noisy signal, figureFileSmall=TEdZqSG0SuQ4cpQpK8rEKA==, figureFileBig=vpBOP8MlbdQ8Y/KWATpgNg==, tableContent=null), ArticleFig(id=1156986820471906843, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图5, caption=
原始信号与带噪信号, figureFileSmall=TEdZqSG0SuQ4cpQpK8rEKA==, figureFileBig=vpBOP8MlbdQ8Y/KWATpgNg==, tableContent=null), ArticleFig(id=1156986820534821404, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 6, caption=
Energy change ratio iteration diagram, figureFileSmall=Vs5mEVfqQdFfigHAv+WxLQ==, figureFileBig=hB7GC4UKRbwLfKBWNaPRUw==, tableContent=null), ArticleFig(id=1156986820589347357, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图6, caption=
能量变化比迭代图, figureFileSmall=Vs5mEVfqQdFfigHAv+WxLQ==, figureFileBig=hB7GC4UKRbwLfKBWNaPRUw==, tableContent=null), ArticleFig(id=1156986820648067614, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 7, caption=
Each IMF component, figureFileSmall=05F7oGNH3ZC+GkaHNKGouw==, figureFileBig=x54Xa7KeNyn5tmrmZqnTng==, tableContent=null), ArticleFig(id=1156986820706787872, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图7, caption=
各 IMF 分量, figureFileSmall=05F7oGNH3ZC+GkaHNKGouw==, figureFileBig=x54Xa7KeNyn5tmrmZqnTng==, tableContent=null), ArticleFig(id=1156986820765508129, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 8, caption=
IMF spectrum diagram, figureFileSmall=yXSN5Rp7GvjnVENcSwBqnw==, figureFileBig=XSlWapUaMPPZfwbyqTdrqQ==, tableContent=null), ArticleFig(id=1156986820811645474, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图8, caption=
各 IMF 频谱图, figureFileSmall=yXSN5Rp7GvjnVENcSwBqnw==, figureFileBig=XSlWapUaMPPZfwbyqTdrqQ==, tableContent=null), ArticleFig(id=1156986820861977123, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 9, caption=
Reconstruction signal, figureFileSmall=jh7IOZ0MYFuTnEbPxL/MVg==, figureFileBig=Az1bSU/Zb2cXGWFxdiCb+g==, tableContent=null), ArticleFig(id=1156986820954251812, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图9, caption=
重构信号, figureFileSmall=jh7IOZ0MYFuTnEbPxL/MVg==, figureFileBig=Az1bSU/Zb2cXGWFxdiCb+g==, tableContent=null), ArticleFig(id=1156986821004583461, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 10, caption=
Algorithm evaluation radar chart, figureFileSmall=fuyEEs0tTH+EBRKbYzqOJg==, figureFileBig=LMNWZor6NlPG7vq07aCrHQ==, tableContent=null), ArticleFig(id=1156986821063303718, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图10, caption=
算法评估雷达图, figureFileSmall=fuyEEs0tTH+EBRKbYzqOJg==, figureFileBig=LMNWZor6NlPG7vq07aCrHQ==, tableContent=null), ArticleFig(id=1156986821122023975, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 11, caption=
Model loss iteration diagram, figureFileSmall=K6lIWeWkHc08BEzqAu15zw==, figureFileBig=CKck5rs0txVq45U6MUa12g==, tableContent=null), ArticleFig(id=1156986821172355624, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图11, caption=
模型损失迭代图, figureFileSmall=K6lIWeWkHc08BEzqAu15zw==, figureFileBig=CKck5rs0txVq45U6MUa12g==, tableContent=null), ArticleFig(id=1156986821281407529, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Fig. 12, caption=
Test set leak detection and location results, figureFileSmall=l+UfKTvSliJcANUBdJmCRQ==, figureFileBig=uL3URnOh8Diw24vUnjWUMw==, tableContent=null), ArticleFig(id=1156986821428208172, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=图12, caption=
测试集泄漏孔径识别与定位结果, figureFileSmall=l+UfKTvSliJcANUBdJmCRQ==, figureFileBig=uL3URnOh8Diw24vUnjWUMw==, tableContent=null), ArticleFig(id=1156986821482734126, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Table 1, caption=
Filter algorithm evaluation, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | RMSE | MAE | SNR | NCC |
| 卡尔曼 | 0.066 | 0.057 | 35.36 | 0.985 |
| 均值 | 0.080 | 0.051 | 34.54 | 0.982 |
| 低通 | 0.042 | 0.057 | 37.27 | 0.990 |
| VMD | 0.020 | 0.044 | 40.62 | 0.995 |
), ArticleFig(id=1156986821566620209, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=表1, caption=
滤波算法评估, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | RMSE | MAE | SNR | NCC |
| 卡尔曼 | 0.066 | 0.057 | 35.36 | 0.985 |
| 均值 | 0.080 | 0.051 | 34.54 | 0.982 |
| 低通 | 0.042 | 0.057 | 37.27 | 0.990 |
| VMD | 0.020 | 0.044 | 40.62 | 0.995 |
), ArticleFig(id=1156986821629534771, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=EN, label=Table 2, caption=
Assessment results of CNN-LSTM and LSTM, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 指标 | 泄漏位置 $/\mathrm{m}$ | 泄漏孔径 $/\%$ |
| CNN-LSTM | MAE | 2.028 000 | 0.000 621 |
| MAPE | 2.112 000 | 3.092 000 |
| RMSE | 2.848 000 | 0.000 734 |
| LSTM | MAE | 5.959 000 | 0.000 706 |
| MAPE | 5.446 000 | 3.987 000 |
| RMSE | 6.965 000 | 0.000 759 |
), ArticleFig(id=1156986821679866421, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156986625868784228, language=CN, label=表2, caption=
CNN-LSTM 和 LSTM 评估结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 指标 | 泄漏位置 $/\mathrm{m}$ | 泄漏孔径 $/\%$ |
| CNN-LSTM | MAE | 2.028 000 | 0.000 621 |
| MAPE | 2.112 000 | 3.092 000 |
| RMSE | 2.848 000 | 0.000 734 |
| LSTM | MAE | 5.959 000 | 0.000 706 |
| MAPE | 5.446 000 | 3.987 000 |
| RMSE | 6.965 000 | 0.000 759 |
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