Article(id=1223201269037252862, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221541, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1658851200000, receivedDateStr=2022-07-27, revisedDate=1663862400000, revisedDateStr=2022-09-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563508519, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563508519, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563508519, creator=13701087609, updateTime=1769563508519, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=127, endPage=131, ext={EN=ArticleExt(id=1223201273554518595, articleId=1223201269037252862, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Leakage Detection Based on Flow Data of Pipeline Network, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=
In order to alleviate the waste of resources caused by the leakage of urban water supply networks, taking predictive classification as the basic idea, the monitoring data after wavelet noise reduction processing was used in the prediction model of PSO seeking least squares support vector machine algorithm, and the prediction model was trained and evaluated, then combined with the model prediction error distribution law, the estimation method of threshold value and leakage volume was introduced for leakage detection. The results show that the average error between the model prediction and the actual water volume is low, the stability is high, and the combination of the prediction-threshold classification method can detect sudden leakage in a timely manner and estimate the leakage volume relatively accurately.
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为减轻城镇供水管网漏损造成资源浪费,以预测分类为基本思想,将小波降噪处理后的管网流量监测数据用于PSO寻优最小二乘支持向量机(LSSVM)算法的预测模型,并对预测模型进行训练和评估,再结合模型预测误差分布规律,推出阈值和漏损量的估算方法用于漏损检测。结果表明,模型预测值与实际水量的平均误差较低,稳定性高,结合预测—阈值分类法能够及时检测出突发性漏损并相对准确地估算出漏损量。
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, authorsList=王彤, 李钟毓, 康炳卿, 朱多林, 王晴怡, 赵红斌, 许德伦, 洪磊)}, authors=[Author(id=1223201274510820041, tenantId=1146029695717560320, journalId=1205116964453384197, articleId=1223201269037252862, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=894496318@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1223201274670203615, tenantId=1146029695717560320, journalId=1205116964453384197, articleId=1223201269037252862, authorId=1223201274510820041, language=EN, stringName=Tong WANG, firstName=Tong, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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a.School of Civil Engineering, Chang’an University, Xi’an 710061, China
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a.长安大学建筑工程学院,陕西 西安 710061
b.长安大学住房与城乡建设部给水排水重点实验室,陕西 西安 710061, bio={"content":"
王彤(1965-),男,教授、硕导,研究方向为给排水系统优化及人工湿地,E-mail:894496318@qq.com
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王彤(1965-),男,教授、硕导,研究方向为给排水系统优化及人工湿地,E-mail:894496318@qq.com
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a.School of Civil Engineering, Chang’an University, Xi’an 710061, China
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a.长安大学建筑工程学院,陕西 西安 710061
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a.School of Civil Engineering, Chang’an University, Xi’an 710061, China
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a.长安大学建筑工程学院,陕西 西安 710061
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