Article(id=1245389861729973015, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245389858412282468, articleNumber=null, orderNo=null, doi=10.13197/j.eeed.2024.0207, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665417600000, receivedDateStr=2022-10-11, revisedDate=1684252800000, revisedDateStr=2023-05-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1774853681261, onlineDateStr=2026-03-30, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774853681261, onlineIssueDateStr=2026-03-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774853681261, creator=13701087609, updateTime=1774853681261, updator=13701087609, issue=Issue{id=1245389858412282468, tenantId=1146029695717560320, journalId=1241701559352995854, year='2024', volume='44', issue='2', pageStart='1', pageEnd='232', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774853680470, creator=13701087609, updateTime=1774854277127, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1245392361031840387, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245389858412282468, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1245392361031840388, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245389858412282468, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=61, endPage=71, ext={EN=ArticleExt(id=1245389862367507233, articleId=1245389861729973015, tenantId=1146029695717560320, journalId=1241701559352995854, language=EN, title=Research on hierarchical identification of structural damage based on dynamic characteristics by deep belief networks, columnId=null, journalTitle=Earthquake Engineering and Engineering Dynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To identify structural damage efficiently and accurately, a hierarchical identification method of structural damage based on structural dynamic characteristics and deep belief network is proposed by combining machine learning with intelligent algorithm, and the damage position and degree are identified in turn. In order to identify the damage location, a 6-element vector is established by using the first three vertical vibration frequencies of the structure and the third modal displacement of a single node, and the damage location is identified by using the 6-element vector as input parameters. To identify the damage degree, the first three natural frequencies and modal displacements of vertical vibration or the 6 nodes modal curvature differences are used as parameters to input the depth confidence network to identify the damage degree. A simple-supported beam is taken as a model to verify it. It is shown that the damage position recognition accuracy can reach 100% even if the noise level reaches 10%. When identifying the damage degree, the deep belief network based on six-node modal curvature difference has strong noise resistance. The maximum relative error of damage degree prediction is less than 5.08% and the mean square error is 0.4878 under the noise of 15%. Compared with BP neural network, the prediction ability of BP neural network is better than that of deep belief network when there is no noise. Under the same noise level, the prediction ability of depth belief network is obviously better than that of BP neural network, which shows that the hierarchical identification method of structural damage based on structural dynamic characteristics and deep belief networks has strong robustness and high accuracy of identification results.
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为了高效准确地识别结构损伤,将机器学习和智能算法相结合,提出一种基于结构动力特性的结构损伤深度置信网络分层识别方法,分层依次识别损伤位置与损伤程度。为识别损伤位置,利用结构前3阶竖向振动频率和单节点3阶模态位移建立六元向量,以此六元向量作为输入参数,通过深度置信网络识别损伤位置;为识别损伤程度,分别采用前3阶竖向振动固有频率和模态位移或6节点模态曲率差为参数输入深度置信网络识别损伤程度,并以简支梁为模型进行验证。结果表明:识别损伤位置时,即使噪声程度达到10%,仍可准确识别损伤位置;识别损伤程度时,基于6节点模态曲率差的深度置信网络抗噪性强,在15%噪声水平下对损伤程度预测最大相对误差不超过5.08%,均方差为0.4878。与BP神经网络相比,无噪声时,BP神经网络的预测能力优于深度置信网络;相同噪声水平下,深度置信网络的预测能力明显优于BP神经网络,体现了基于结构动力特性的结构损伤深度置信网络分层识别方法鲁棒性强,识别结果精度高。
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, authorsList=常亮亮, 姜文恺, 杨汉青, 孙星, 何伟)}, authors=[Author(id=1245389877437641084, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=250684454@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1245389877601218953, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, authorId=1245389877437641084, language=EN, stringName=Liangliang CHANG, firstName=Liangliang, middleName=null, lastName=CHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.China Railway Fourth Survey and Design Institute Group Co., Ltd., Wuhan 430063, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1245389878196810163, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, authorId=1245389877886431642, language=CN, stringName=姜文恺, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.School of Civil Engineering and Transportation, North China University of Water Resources and Electric Power, Zhengzhou 450045, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1245389878733681119, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, authorId=1245389878360388034, language=CN, stringName=杨汉青, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.华北水利水电大学 土木与交通学院,河南 郑州 450045, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1245389877160816999, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, xref=3., ext=[AuthorCompanyExt(id=1245389877165011304, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, companyId=1245389877160816999, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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DBN结构模型图, figureFileSmall=KRZdoJsKyNQIABj664B2hw==, figureFileBig=ycpFwznFSazYySlYW5EFPw==, tableContent=null), ArticleFig(id=1245389881917158044, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 3, caption=
Cross section of No.10 I-beam, figureFileSmall=ALtNuv9tsDGtdKl8obpDxw==, figureFileBig=7pVtIg4Kh7g0EOcoEBRuOA==, tableContent=null), ArticleFig(id=1245389882022015647, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图3, caption=
10号工字钢横截面, figureFileSmall=ALtNuv9tsDGtdKl8obpDxw==, figureFileBig=7pVtIg4Kh7g0EOcoEBRuOA==, tableContent=null), ArticleFig(id=1245389882198176422, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 4, caption=
Elements distribution diagram, figureFileSmall=ctbxsrzX6bDBXekQiG3Ztg==, figureFileBig=SW6bkPnHFO/48n+f7F3YTw==, tableContent=null), ArticleFig(id=1245389882365948590, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图4, caption=
单元分布图, figureFileSmall=ctbxsrzX6bDBXekQiG3Ztg==, figureFileBig=SW6bkPnHFO/48n+f7F3YTw==, tableContent=null), ArticleFig(id=1245389882483389109, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 5, caption=
Nodes distribution diagram, figureFileSmall=Sz6Wc1FrfCH5PgW7zOxyIA==, figureFileBig=Dy+Xr5yd87Mds3vf0h460A==, tableContent=null), ArticleFig(id=1245389882588246711, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图5, caption=
节点分布图, figureFileSmall=Sz6Wc1FrfCH5PgW7zOxyIA==, figureFileBig=Dy+Xr5yd87Mds3vf0h460A==, tableContent=null), ArticleFig(id=1245389882684715709, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 6, caption=
Sample prediction results based on formula (17), figureFileSmall=aGjsI6ixqOeBh3dEe1ccQw==, figureFileBig=cBpgdcTU80dayUyqP0ReqQ==, tableContent=null), ArticleFig(id=1245389882781184708, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图6, caption=
基于式(17)样本预测结果, figureFileSmall=aGjsI6ixqOeBh3dEe1ccQw==, figureFileBig=cBpgdcTU80dayUyqP0ReqQ==, tableContent=null), ArticleFig(id=1245389882886042310, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 7, caption=
Sample prediction results based on formula (20), figureFileSmall=BeAwYrK/cRkqv4RBE5SPuQ==, figureFileBig=898xE21SPEnoepykSEo/Aw==, tableContent=null), ArticleFig(id=1245389883104146126, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图7, caption=
基于式(20)样本预测结果, figureFileSmall=BeAwYrK/cRkqv4RBE5SPuQ==, figureFileBig=898xE21SPEnoepykSEo/Aw==, tableContent=null), ArticleFig(id=1245389883267723990, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 8, caption=
Sample prediction results based on formula (17) in noise condition, figureFileSmall=5H/Mvjr2bUvQNRk3niZ59g==, figureFileBig=byV+MrokZ8UNzREZjBeRqA==, tableContent=null), ArticleFig(id=1245389883393553118, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图8, caption=
含噪声时基于式(17)样本预测结果, figureFileSmall=5H/Mvjr2bUvQNRk3niZ59g==, figureFileBig=byV+MrokZ8UNzREZjBeRqA==, tableContent=null), ArticleFig(id=1245389883498410724, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 9, caption=
Predicted values and expected values of DBN in 5% noise condition, figureFileSmall=MDpPjPM2IUSRBAgq1kktgw==, figureFileBig=tHaJMrK9fFh1TgW+WOHaAg==, tableContent=null), ArticleFig(id=1245389883632628458, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图9, caption=
5%噪声下DBN的预测值与期望值, figureFileSmall=MDpPjPM2IUSRBAgq1kktgw==, figureFileBig=tHaJMrK9fFh1TgW+WOHaAg==, tableContent=null), ArticleFig(id=1245389883745874671, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 10, caption=
Predicted values and expected values of DBN in 10% noise condition, figureFileSmall=SLcSmHW0raaqJ1qlOgmzZw==, figureFileBig=ruPCnyseCC7aZj8Hlb4gGQ==, tableContent=null), ArticleFig(id=1245389883875898098, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图10, caption=
10%噪声下DBN的预测值与期望值, figureFileSmall=SLcSmHW0raaqJ1qlOgmzZw==, figureFileBig=ruPCnyseCC7aZj8Hlb4gGQ==, tableContent=null), ArticleFig(id=1245389884026893048, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 11, caption=
Predicted values and expected values of DBN in 15% noise condition, figureFileSmall=lgTBJTLKUdd3tMD4R7Zicw==, figureFileBig=h3Qznui0cgwohYgkEiHGmQ==, tableContent=null), ArticleFig(id=1245389884165305086, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图11, caption=
15%噪声下DBN的预测值与期望值, figureFileSmall=lgTBJTLKUdd3tMD4R7Zicw==, figureFileBig=h3Qznui0cgwohYgkEiHGmQ==, tableContent=null), ArticleFig(id=1245389884274356995, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 12, caption=
Predicted values and expected values of BP neural network in 5% noise condition, figureFileSmall=v0iPEXPZW5ieFkoVYy+JGA==, figureFileBig=WdVG7sZ/5YONCepKOwcbpw==, tableContent=null), ArticleFig(id=1245389884383408904, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图12, caption=
5%噪声下BP神经网络的预测值与期望值, figureFileSmall=v0iPEXPZW5ieFkoVYy+JGA==, figureFileBig=WdVG7sZ/5YONCepKOwcbpw==, tableContent=null), ArticleFig(id=1245389884479877902, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 13, caption=
Predicted values and expected values of BP neural network in 10% noise condition, figureFileSmall=ZcGmX6/iHKb+x4izAG8jEw==, figureFileBig=TygQruowqXtLk1OZJ/DsYA==, tableContent=null), ArticleFig(id=1245389884572152591, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图13, caption=
10%噪声下BP神经网络的预测值与期望值, figureFileSmall=ZcGmX6/iHKb+x4izAG8jEw==, figureFileBig=TygQruowqXtLk1OZJ/DsYA==, tableContent=null), ArticleFig(id=1245389884647650068, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Fig. 14, caption=
Predicted values and expected values of BP neural network in 15% noise condition, figureFileSmall=WiNwjhMgr+XyWWqPqxGpKw==, figureFileBig=2WOhUQ5o1rPQbeizq4embw==, tableContent=null), ArticleFig(id=1245389884748313368, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=图14, caption=
15%噪声下BP神经网络的预测值与期望值, figureFileSmall=WiNwjhMgr+XyWWqPqxGpKw==, figureFileBig=2WOhUQ5o1rPQbeizq4embw==, tableContent=null), ArticleFig(id=1245389884836393757, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 1, caption=
Labels of damage elements and damage locations
, figureFileSmall=null, figureFileBig=null, tableContent=
| 损伤单元号 | 3 | 6 | 10 | 14 | 17 |
|---|
| 输出Y | (1,0,0,0,0) | (0,1,0,0,0) | (0,0,1,0,0) | (0,0,0,1,0) | (0,0,0,0,1) |
| 标签号 | 1 | 2 | 3 | 4 | 5 |
), ArticleFig(id=1245389884941251361, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表1, caption=
损伤单元与损伤位置标签
, figureFileSmall=null, figureFileBig=null, tableContent=
| 损伤单元号 | 3 | 6 | 10 | 14 | 17 |
|---|
| 输出Y | (1,0,0,0,0) | (0,1,0,0,0) | (0,0,1,0,0) | (0,0,0,1,0) | (0,0,0,0,1) |
| 标签号 | 1 | 2 | 3 | 4 | 5 |
), ArticleFig(id=1245389885071274789, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 2, caption=
Partial sample data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 标签号 |
|---|
| 一阶频率 | 二阶频率 | 三阶频率 | 一阶模态位移 | 二阶模态位移 | 三阶模态位移 |
|---|
| 1 | 9.3617 | 37.177 | 83.557 | 0.88946 | 0.76841 | 0.08696 | 5 |
| 2 | 9.3864 | 37.452 | 84.276 | 0.89040 | 0.77686 | 0.09625 | 5 |
| 3 | 9.3130 | 37.255 | 84.704 | 0.88734 | -0.78600 | -0.10180 | 4 |
| 4 | 9.3984 | 37.587 | 84.639 | 0.89085 | 0.78116 | 0.10094 | 5 |
| 5 | 9.2589 | 37.607 | 83.608 | 0.88686 | -0.77740 | 0.09508 | 3 |
), ArticleFig(id=1245389885155160872, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表2, caption=
部分样本数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 标签号 |
|---|
| 一阶频率 | 二阶频率 | 三阶频率 | 一阶模态位移 | 二阶模态位移 | 三阶模态位移 |
|---|
| 1 | 9.3617 | 37.177 | 83.557 | 0.88946 | 0.76841 | 0.08696 | 5 |
| 2 | 9.3864 | 37.452 | 84.276 | 0.89040 | 0.77686 | 0.09625 | 5 |
| 3 | 9.3130 | 37.255 | 84.704 | 0.88734 | -0.78600 | -0.10180 | 4 |
| 4 | 9.3984 | 37.587 | 84.639 | 0.89085 | 0.78116 | 0.10094 | 5 |
| 5 | 9.2589 | 37.607 | 83.608 | 0.88686 | -0.77740 | 0.09508 | 3 |
), ArticleFig(id=1245389885251629869, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 3, caption=
RBM training parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输入层单元数 | RBM层数 | 隐层神经元数目 |
|---|
| 1000 | 1 | 0.01 | 0.01 | Sigmoid | 6 | 1 | 20 |
), ArticleFig(id=1245389885327127344, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表3, caption=
RBM训练参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输入层单元数 | RBM层数 | 隐层神经元数目 |
|---|
| 1000 | 1 | 0.01 | 0.01 | Sigmoid | 6 | 1 | 20 |
), ArticleFig(id=1245389885398430515, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 4, caption=
DBN training parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输出层神经元数目 |
|---|
| 1000 | 1 | 0.1 | 0.05 | Softmax | 5 |
), ArticleFig(id=1245389885499093812, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表4, caption=
DBN训练参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输出层神经元数目 |
|---|
| 1000 | 1 | 0.1 | 0.05 | Softmax | 5 |
), ArticleFig(id=1245389885587174202, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 5, caption=
Prediction results and expected values of some samples
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 预测值 | 期望值 | 标签 |
|---|
| 单元1 | 单元2 | 单元3 | 单元4 | 单元5 | 单元1 | 单元2 | 单元3 | 单元4 | 单元5 |
|---|
| 1 | 0.00019 | 0.00025 | 0.00000 | 0.00000 | 0.99955 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0.00000 | 0 | 0 | 1 | 0 | 0 | 3 |
| 3 | 0.00000 | 0.00003 | 0.00000 | 0.99996 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
| 4 | 0.00001 | 0.00008 | 0.00001 | 0.99990 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
| 5 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0.00000 | 0 | 0 | 1 | 0 | 0 | 3 |
), ArticleFig(id=1245389885692031804, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表5, caption=
部分样本预测结果与期望值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 预测值 | 期望值 | 标签 |
|---|
| 单元1 | 单元2 | 单元3 | 单元4 | 单元5 | 单元1 | 单元2 | 单元3 | 单元4 | 单元5 |
|---|
| 1 | 0.00019 | 0.00025 | 0.00000 | 0.00000 | 0.99955 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0.00000 | 0 | 0 | 1 | 0 | 0 | 3 |
| 3 | 0.00000 | 0.00003 | 0.00000 | 0.99996 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
| 4 | 0.00001 | 0.00008 | 0.00001 | 0.99990 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
| 5 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0.00000 | 0 | 0 | 1 | 0 | 0 | 3 |
), ArticleFig(id=1245389885796889406, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 6, caption=
Partial predicted values and expected values under 10% noise
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 预测值 | 期望值 | 标签 |
|---|
| 单元1 | 单元2 | 单元3 | 单元4 | 单元5 | 单元1 | 单元2 | 单元3 | 单元4 | 单元5 |
|---|
| 1 | 0.00016 | 0.00010 | 0.00003 | 0.00000 | 0.99971 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 0.99952 | 0.00000 | 0.00003 | 0.00000 | 0.00044 | 1 | 0 | 0 | 0 | 0 | 1 |
| 3 | 0.00000 | 0.99986 | 0.00000 | 0.00012 | 0.00002 | 0 | 1 | 0 | 0 | 0 | 2 |
| 4 | 0.00019 | 0.00007 | 0.00003 | 0.00000 | 0.99972 | 0 | 0 | 0 | 0 | 1 | 5 |
| 5 | 0.00000 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
), ArticleFig(id=1245389885889164098, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表6, caption=
10%噪声下部分预测值与期望值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 预测值 | 期望值 | 标签 |
|---|
| 单元1 | 单元2 | 单元3 | 单元4 | 单元5 | 单元1 | 单元2 | 单元3 | 单元4 | 单元5 |
|---|
| 1 | 0.00016 | 0.00010 | 0.00003 | 0.00000 | 0.99971 | 0 | 0 | 0 | 0 | 1 | 5 |
| 2 | 0.99952 | 0.00000 | 0.00003 | 0.00000 | 0.00044 | 1 | 0 | 0 | 0 | 0 | 1 |
| 3 | 0.00000 | 0.99986 | 0.00000 | 0.00012 | 0.00002 | 0 | 1 | 0 | 0 | 0 | 2 |
| 4 | 0.00019 | 0.00007 | 0.00003 | 0.00000 | 0.99972 | 0 | 0 | 0 | 0 | 1 | 5 |
| 5 | 0.00000 | 0.00000 | 0.00000 | 1.00000 | 0.00000 | 0 | 0 | 0 | 1 | 0 | 4 |
), ArticleFig(id=1245389885973050181, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 7, caption=
Input and output of network sample data based on formula (17)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 输出Y |
|---|
| 一阶频率 | 二阶频率 | 三阶频率 | 一阶模态位移 | 二阶模态位移 | 三阶模态位移 |
|---|
| 1 | 9.325 | 37.619 | 84.134 | 0.88876 | -0.77980 | -0.09864 | 14.4 |
| 2 | 9.353 | 37.624 | 84.362 | 0.88958 | -0.78083 | -0.10007 | 9.6 |
| 3 | 9.367 | 37.626 | 84.469 | 0.88996 | -0.78131 | -0.10073 | 7.2 |
| 4 | 9.375 | 37.628 | 84.538 | 0.89021 | -0.78162 | -0.10115 | 5.6 |
| 5 | 9.294 | 37.613 | 83.884 | 0.88786 | -0.77866 | -0.09707 | 19.2 |
), ArticleFig(id=1245389886061130567, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表7, caption=
基于式(17)网络样本数据输入与输出
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 输出Y |
|---|
| 一阶频率 | 二阶频率 | 三阶频率 | 一阶模态位移 | 二阶模态位移 | 三阶模态位移 |
|---|
| 1 | 9.325 | 37.619 | 84.134 | 0.88876 | -0.77980 | -0.09864 | 14.4 |
| 2 | 9.353 | 37.624 | 84.362 | 0.88958 | -0.78083 | -0.10007 | 9.6 |
| 3 | 9.367 | 37.626 | 84.469 | 0.88996 | -0.78131 | -0.10073 | 7.2 |
| 4 | 9.375 | 37.628 | 84.538 | 0.89021 | -0.78162 | -0.10115 | 5.6 |
| 5 | 9.294 | 37.613 | 83.884 | 0.88786 | -0.77866 | -0.09707 | 19.2 |
), ArticleFig(id=1245389886157599562, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 8, caption=
Input and output of network sample data based on formula (20)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 输出Y |
|---|
| 节点1 | 节点2 | 节点3 | 节点4 | 节点5 | 节点6 |
|---|
| 1 | 0.002662 | 0.002869 | -0.009998 | -0.009963 | 0.002891 | 0.002869 | 8.8 |
| 2 | 0.006439 | 0.006869 | -0.023887 | -0.023963 | 0.007002 | 0.007091 | 19.0 |
| 3 | 0.003439 | 0.003646 | -0.012554 | -0.012519 | 0.003668 | 0.003646 | 10.8 |
| 4 | 0.005550 | 0.005980 | -0.020776 | -0.021074 | 0.006224 | 0.006091 | 17.0 |
| 5 | 0.008995 | 0.009646 | -0.033443 | -0.033852 | 0.010113 | 0.009646 | 25.0 |
), ArticleFig(id=1245389886270845773, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表8, caption=
基于式(20)网络样本数据输入与输出
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本 | 输入X | 输出Y |
|---|
| 节点1 | 节点2 | 节点3 | 节点4 | 节点5 | 节点6 |
|---|
| 1 | 0.002662 | 0.002869 | -0.009998 | -0.009963 | 0.002891 | 0.002869 | 8.8 |
| 2 | 0.006439 | 0.006869 | -0.023887 | -0.023963 | 0.007002 | 0.007091 | 19.0 |
| 3 | 0.003439 | 0.003646 | -0.012554 | -0.012519 | 0.003668 | 0.003646 | 10.8 |
| 4 | 0.005550 | 0.005980 | -0.020776 | -0.021074 | 0.006224 | 0.006091 | 17.0 |
| 5 | 0.008995 | 0.009646 | -0.033443 | -0.033852 | 0.010113 | 0.009646 | 25.0 |
), ArticleFig(id=1245389886392480595, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 9, caption=
RBM training parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输入层单元数 | RBM层数 | 隐层神经元数目 |
|---|
| 1000 | 1 | 0.001 | 0.001 | Sigmoid | 6 | 1 | 30 |
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RBM训练参数
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| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输入层单元数 | RBM层数 | 隐层神经元数目 |
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| 1000 | 1 | 0.001 | 0.001 | Sigmoid | 6 | 1 | 30 |
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DBN training parameters
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| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输出层神经元数目 |
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| 1000 | 1 | 0.1 | 0 | Linear | 1 |
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DBN训练参数
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| 迭代次数 | 批处理数目 | 学习率 | 动量 | 激活函数 | 输出层神经元数目 |
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| 1000 | 1 | 0.1 | 0 | Linear | 1 |
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Predicted values, expected values and errors of partial samples
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| 样本 | 预测值 | 期望值 | 绝对误差 | 相对误差 |
|---|
| 1 | 22.00 | 22.00 | 0.00 | -0.00 |
| 2 | 19.07 | 19.00 | 0.07 | 0.39 |
| 3 | 0.58 | 0.20 | 0.38 | 191.05 |
| 4 | 24.10 | 24.20 | -0.10 | -0.43 |
| 5 | 12.44 | 12.40 | 0.04 | 0.29 |
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部分样本预测值、期望值及其误差
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| 样本 | 预测值 | 期望值 | 绝对误差 | 相对误差 |
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| 1 | 22.00 | 22.00 | 0.00 | -0.00 |
| 2 | 19.07 | 19.00 | 0.07 | 0.39 |
| 3 | 0.58 | 0.20 | 0.38 | 191.05 |
| 4 | 24.10 | 24.20 | -0.10 | -0.43 |
| 5 | 12.44 | 12.40 | 0.04 | 0.29 |
), ArticleFig(id=1245389887080346471, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=EN, label=Table 12, caption=
Prediction results of 12% damage degree under different levels of noise
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| 噪声水平 | 预测值 | 绝对误差 | 相对误差 |
|---|
| 无噪声 | 11.98 | -0.02 | -0.17 |
| 5 | 12.05 | 0.05 | 0.42 |
| 10 | 11.89 | -0.12 | -1.00 |
| 15 | 12.61 | 0.61 | 5.08 |
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12%损伤程度在不同水平噪声下预测结果
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| 噪声水平 | 预测值 | 绝对误差 | 相对误差 |
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| 无噪声 | 11.98 | -0.02 | -0.17 |
| 5 | 12.05 | 0.05 | 0.42 |
| 10 | 11.89 | -0.12 | -1.00 |
| 15 | 12.61 | 0.61 | 5.08 |
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Prediction results of DBN and BP neural networks
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| 噪声水平/% | 均方差 |
|---|
| BP神经网络 | DBN |
|---|
| 无噪声 | 0.0003 | 0.0072 |
| 5 | 0.1735 | 0.0559 |
| 10 | 0.6537 | 0.1640 |
| 15 | 1.1586 | 0.4878 |
), ArticleFig(id=1245389887365559152, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245389861729973015, language=CN, label=表13, caption=
DBN与BP神经网络预测结果
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| 噪声水平/% | 均方差 |
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| BP神经网络 | DBN |
|---|
| 无噪声 | 0.0003 | 0.0072 |
| 5 | 0.1735 | 0.0559 |
| 10 | 0.6537 | 0.1640 |
| 15 | 1.1586 | 0.4878 |
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