Article(id=1223202681334911160, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20231008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1687190400000, receivedDateStr=2023-06-20, revisedDate=1689782400000, revisedDateStr=2023-07-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563845236, onlineDateStr=2026-01-28, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563845236, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563845236, creator=13701087609, updateTime=1769563845236, updator=13701087609, issue=Issue{id=1223202678788965355, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='12', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769563844630, creator=13701087609, updateTime=1769563913308, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223202966899901286, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223202966899901287, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223202678788965355, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=97, endPage=100, ext={EN=ArticleExt(id=1223202681813061832, articleId=1223202681334911160, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on the Phased Trend Recognition Method of Deformation Monitoring Sequence for Dams, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

The phased trend recognition of deformation monitoring sequences for dams can deepen the understanding of the evolution laws of deformation monitoring sequences at different time scales, which is of great significance for the safe operation and management of dams. The heuristic segmentation algorithm (BG algorithm) is adopted to identify the mutation points of deformation monitoring sequences for dams, which can effectively avoid the interference of mutation points in trend recognition. On this basis, the segmented sub-sequences are trend identified using an improved ITA method, which can retain the internal correlation of the sequences and has good applicability. The engineering case analysis shows that the proposed method can effectively identify the mutation points in the deformation monitoring sequences for dams, divide the monitoring sequences into sub-sequences with stable trends, and identify the changing trends of each sub-sequence.

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对大坝变形监测序列进行阶段性趋势识别,有助于加深对不同时间尺度上大坝变形监测序列的演变规律认识,对于大坝安全运行和管理具有重要意义。采用启发式分割算法(BG算法)对大坝变形监测序列进行突变点识别,能够有效避免突变点对趋势识别的干扰;在此基础上,通过改进ITA方法对分段子序列进行趋势识别,改进后的ITA方法能够保留序列内部相关性,具有较好适用性。工程实例分析表明,所提方法能够有效识别出大坝变形监测序列中的突跳点,将监测序列分为具有稳定趋势的子序列,并能识别出每段子序列的变化趋势。

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李占超(1985-),男,副教授、硕导,研究方向为水工结构工程及优化,E-mail:
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郑宇航(1999-),男,硕士研究生,研究方向为水工结构工程及优化,E-mail:

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郑宇航(1999-),男,硕士研究生,研究方向为水工结构工程及优化,E-mail:

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郑宇航(1999-),男,硕士研究生,研究方向为水工结构工程及优化,E-mail:

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大坝变形监测序列的阶段性趋势识别方法研究
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郑宇航 , 潘登 , 田甜 , 梁佳铭 , 李占超
水电能源科学 | 大坝安全与监测 2023,41(12): 97-100
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水电能源科学 | 大坝安全与监测 2023, 41(12): 97-100
大坝变形监测序列的阶段性趋势识别方法研究
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郑宇航 , 潘登, 田甜, 梁佳铭, 李占超
作者信息
  • 扬州大学水利科学与工程学院,江苏 扬州 225100
  • 郑宇航(1999-),男,硕士研究生,研究方向为水工结构工程及优化,E-mail:

通讯作者:

李占超(1985-),男,副教授、硕导,研究方向为水工结构工程及优化,E-mail:
Study on the Phased Trend Recognition Method of Deformation Monitoring Sequence for Dams
Yu-hang ZHENG , Deng PAN, Tian TIAN, Jia-ming LIANG, Zhan-chao LI
Affiliations
  • College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225100, China
出版时间: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20231008
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对大坝变形监测序列进行阶段性趋势识别,有助于加深对不同时间尺度上大坝变形监测序列的演变规律认识,对于大坝安全运行和管理具有重要意义。采用启发式分割算法(BG算法)对大坝变形监测序列进行突变点识别,能够有效避免突变点对趋势识别的干扰;在此基础上,通过改进ITA方法对分段子序列进行趋势识别,改进后的ITA方法能够保留序列内部相关性,具有较好适用性。工程实例分析表明,所提方法能够有效识别出大坝变形监测序列中的突跳点,将监测序列分为具有稳定趋势的子序列,并能识别出每段子序列的变化趋势。

变形监测序列  /  趋势识别  /  BG算法  /  改进ITA方法  /  显著性检验

The phased trend recognition of deformation monitoring sequences for dams can deepen the understanding of the evolution laws of deformation monitoring sequences at different time scales, which is of great significance for the safe operation and management of dams. The heuristic segmentation algorithm (BG algorithm) is adopted to identify the mutation points of deformation monitoring sequences for dams, which can effectively avoid the interference of mutation points in trend recognition. On this basis, the segmented sub-sequences are trend identified using an improved ITA method, which can retain the internal correlation of the sequences and has good applicability. The engineering case analysis shows that the proposed method can effectively identify the mutation points in the deformation monitoring sequences for dams, divide the monitoring sequences into sub-sequences with stable trends, and identify the changing trends of each sub-sequence.

deformation monitoring sequence  /  trend recognition  /  BG algorithm  /  improved ITA method  /  significance test
郑宇航, 潘登, 田甜, 梁佳铭, 李占超. 大坝变形监测序列的阶段性趋势识别方法研究. 水电能源科学, 2023 , 41 (12) : 97 -100 . DOI: 10.20040/j.cnki.1000-7709.2023.20231008
Yu-hang ZHENG, Deng PAN, Tian TIAN, Jia-ming LIANG, Zhan-chao LI. Study on the Phased Trend Recognition Method of Deformation Monitoring Sequence for Dams[J]. Water Resources and Power, 2023 , 41 (12) : 97 -100 . DOI: 10.20040/j.cnki.1000-7709.2023.20231008
  • 国家自然科学基金项目(51779215)
  • 港士源建设工程集团有限公司重大研发项目(2020RS-1058)
  • 华电电力科学研究院技术研发项目(CHDER/SXB-CG-2021-0002)
2023年第41卷第12期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20231008
  • 接收时间:2023-06-20
  • 首发时间:2026-01-28
  • 出版时间:2023-12-25
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出版历史
  • 收稿日期:2023-06-20
  • 修回日期:2023-07-20
基金
国家自然科学基金项目(51779215)
港士源建设工程集团有限公司重大研发项目(2020RS-1058)
华电电力科学研究院技术研发项目(CHDER/SXB-CG-2021-0002)
作者信息
    扬州大学水利科学与工程学院,江苏 扬州 225100

通讯作者:

李占超(1985-),男,副教授、硕导,研究方向为水工结构工程及优化,E-mail:
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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