Article(id=1240594160697275166, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.03.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1689955200000, receivedDateStr=2023-07-22, revisedDate=1693238400000, revisedDateStr=2023-08-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1773710297035, onlineDateStr=2026-03-17, pubDate=1741968000000, pubDateStr=2025-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773710297035, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773710297035, creator=13701087609, updateTime=1773710297035, updator=13701087609, issue=Issue{id=1240594155198534488, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='3', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1773710295724, creator=13701087609, updateTime=1773714468205, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240611655898420098, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240611655902614403, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=136, endPage=142, ext={EN=ArticleExt(id=1240594160990876461, articleId=1240594160697275166, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Multi-source heterogeneous data fusion model for reliability evaluation based on approximate failure points, columnId=1240594158461703059, journalTitle=Journal of Mechanical Strength, columnName=Optimization·Reliability, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of multi-source heterogeneous data fusion and improve the accuracy of reliability evaluation, a multi-source heterogeneous data fusion method based on approximate failure point was proposed by using D-S theory and the least squares method.Firstly, the probability envelope curves were obtained through constructing probability assignment for a single source of data and performing weighted fusion.A distribution fitting model based on approximate failure points was also established.Secondly, the parameter estimation value was obtained by the least squares method, and the area metric was constructed to determine the true failure distribution function,and then the reliability assessment was completed.Finally, the feasibility and effectiveness of the proposed method were verified by examples, and the accuracy was higher than that of Bayes method.
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为解决多源异构数据的融合问题,提高可靠性评估的精度,根据D-S(Dempster-Shafer)理论和最小二乘法相结合的思想,提出一种基于近似失效点的多源异构数据融合方法。首先,针对单一数据源构造概率分配并进行加权融合得到概率包络,建立基于近似失效点的分布拟合模型。其次,采用最小二乘法得到参数估计值并构造面积度量指标确定真实的失效分布函数,进而完成可靠性评估。最后,通过算例验证了该方法的可行性与有效性,相较于Bayes方法精度更高。
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, authorsList=杨童博, 魏政, 周坤)}, authors=[Author(id=1240594171132702936, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ytb@my.swjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240594171229171939, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, authorId=1240594171132702936, language=EN, stringName=Tongbo YANG, firstName=Tongbo, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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杨童博,女,1999年生,河南开封人,硕士研究生;主要研究方向为可靠性统计;E-mail:ytb@my.swjtu.edu.cn。
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杨童博,女,1999年生,河南开封人,硕士研究生;主要研究方向为可靠性统计;E-mail:ytb@my.swjtu.edu.cn。
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近似失效曲线和最优失效分布曲线, figureFileSmall=fm5T4OIjisUAoFxALV/aIw==, figureFileBig=rC8lRMC/4WvBvdNyZNf2rw==, tableContent=null), ArticleFig(id=1240594175264092510, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Fig.2, caption=
Flow chart of product reliability assessment, figureFileSmall=frvJrrwMQwNAS7zfrC93sQ==, figureFileBig=zGh3CX41XdvGiD/zGNp6sA==, tableContent=null), ArticleFig(id=1240594175343784291, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=图2, caption=
产品可靠性评估流程图, figureFileSmall=frvJrrwMQwNAS7zfrC93sQ==, figureFileBig=zGh3CX41XdvGiD/zGNp6sA==, tableContent=null), ArticleFig(id=1240594175448641894, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Fig.3, caption=
Calculation results of approximate failure point, figureFileSmall=QM6lVIUDb6XqwnOVzf64eg==, figureFileBig=MoV7BZwtwBXr+BL+wmUz4w==, tableContent=null), ArticleFig(id=1240594175540916585, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=图3, caption=
近似失效点计算结果, figureFileSmall=QM6lVIUDb6XqwnOVzf64eg==, figureFileBig=MoV7BZwtwBXr+BL+wmUz4w==, tableContent=null), ArticleFig(id=1240594175641579885, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Fig.4, caption=
Comparison of reliability before and after data fusion, figureFileSmall=L2F1PGFzUD/U0oiziqHRnw==, figureFileBig=326UxXgL685BE5EoRyG6hw==, tableContent=null), ArticleFig(id=1240594175733854580, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=图4, caption=
融合前后可靠度对比, figureFileSmall=L2F1PGFzUD/U0oiziqHRnw==, figureFileBig=326UxXgL685BE5EoRyG6hw==, tableContent=null), ArticleFig(id=1240594177247998328, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Fig.5, caption=
Comparison of fusion results of the two methods, figureFileSmall=ocyt1YcmpBcEN/JaeEX4LA==, figureFileBig=XTj4KljnHjMoGCsjRYOHhQ==, tableContent=null), ArticleFig(id=1240594177445130620, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=图5, caption=
两种方法的融合结果对比, figureFileSmall=ocyt1YcmpBcEN/JaeEX4LA==, figureFileBig=XTj4KljnHjMoGCsjRYOHhQ==, tableContent=null), ArticleFig(id=1240594177591931268, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Fig.6, caption=
Comparison of fusion result S and true distribution, figureFileSmall=WOiH/bzSMS2fOi5SSDmKEA==, figureFileBig=T1yr/Aqu6BVaNv/C56H2og==, tableContent=null), ArticleFig(id=1240594177742926215, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=图6, caption=
融合结果S与真实分布对比图, figureFileSmall=WOiH/bzSMS2fOi5SSDmKEA==, figureFileBig=T1yr/Aqu6BVaNv/C56H2og==, tableContent=null), ArticleFig(id=1240594177851978128, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Tab.1, caption=
Data from different sources
, figureFileSmall=null, figureFileBig=null, tableContent=
信息源 Information source | 寿命数据值 Life data value/ a |
|---|
A源-仿真数据X1 A source-simulation data X1 | 2.51 3.58 3.59 5.52 5.87 5.90 6.46 7.72 8.15 8.21 8.30 8.77 9.44 9.46 9.54 9.55 9.95 10.41 11.55 11.63 11.78 12.35 13.38 13.47 14.04 14.50 15.09 16.64 16.87 17.31 |
B源-半实物仿真数据X2 B source-semi-physical simulation data X2 | 7.94 8.96 9.14 9.20 9.63 9.78 10.17 10.39 10.48 11.15 |
C源-现场试验数据X3 C source-field test data X3 | 11.96 12.59 12.76 12.92 13.25 13.52 13.53 14.39 |
), ArticleFig(id=1240594177986195859, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=表1, caption=
不同信息源数据
, figureFileSmall=null, figureFileBig=null, tableContent=
信息源 Information source | 寿命数据值 Life data value/ a |
|---|
A源-仿真数据X1 A source-simulation data X1 | 2.51 3.58 3.59 5.52 5.87 5.90 6.46 7.72 8.15 8.21 8.30 8.77 9.44 9.46 9.54 9.55 9.95 10.41 11.55 11.63 11.78 12.35 13.38 13.47 14.04 14.50 15.09 16.64 16.87 17.31 |
B源-半实物仿真数据X2 B source-semi-physical simulation data X2 | 7.94 8.96 9.14 9.20 9.63 9.78 10.17 10.39 10.48 11.15 |
C源-现场试验数据X3 C source-field test data X3 | 11.96 12.59 12.76 12.92 13.25 13.52 13.53 14.39 |
), ArticleFig(id=1240594178095247769, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Tab.2, caption=
Fitted results for a single data source
, figureFileSmall=null, figureFileBig=null, tableContent=
单一数据源 Single source of data | 未知参数的极大似然估计 Maximum likelihood estimation of unknown parameters |
|---|
| A | 尺度参数Scale parameter 形状参数Shape parameter | α1=11.299 1 β1=2.799 2 |
| B | 尺度参数Scale parameter 形状参数Shape parameter | α2=10.076 2 β2=12.722 3 |
| C | 均值Mean value 标准差Standard deviation | μ3=13.115 0 σ3=0.685 0 |
), ArticleFig(id=1240594178183328156, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=表2, caption=
单一数据源拟合结果
, figureFileSmall=null, figureFileBig=null, tableContent=
单一数据源 Single source of data | 未知参数的极大似然估计 Maximum likelihood estimation of unknown parameters |
|---|
| A | 尺度参数Scale parameter 形状参数Shape parameter | α1=11.299 1 β1=2.799 2 |
| B | 尺度参数Scale parameter 形状参数Shape parameter | α2=10.076 2 β2=12.722 3 |
| C | 均值Mean value 标准差Standard deviation | μ3=13.115 0 σ3=0.685 0 |
), ArticleFig(id=1240594178267214242, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Tab.3, caption=
Fusion results and area metrics
, figureFileSmall=null, figureFileBig=null, tableContent=
分布类型 Distribution type | 参数估计值 Parameter estimation value | ρ1 |
|---|
Weibull分布 Weibull distribution | 尺度参数Scale parameter αd=12.250 0 | 0.155 7 |
| 形状参数Shape parameter βd=9.819 5 |
正态分布 Normal distribution | 均值Mean value μd=11.486 0 | 0.158 5 |
| 标准差Standard deviation σd=1.636 6 |
Bayes方法 Bayes method | 均值Mean value μ0=11.35 | 3.032 0 |
| 标准差Standard deviation σ0=6.85 |
), ArticleFig(id=1240594178330128806, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=表3, caption=
融合结果及面积度量指标
, figureFileSmall=null, figureFileBig=null, tableContent=
分布类型 Distribution type | 参数估计值 Parameter estimation value | ρ1 |
|---|
Weibull分布 Weibull distribution | 尺度参数Scale parameter αd=12.250 0 | 0.155 7 |
| 形状参数Shape parameter βd=9.819 5 |
正态分布 Normal distribution | 均值Mean value μd=11.486 0 | 0.158 5 |
| 标准差Standard deviation σd=1.636 6 |
Bayes方法 Bayes method | 均值Mean value μ0=11.35 | 3.032 0 |
| 标准差Standard deviation σ0=6.85 |
), ArticleFig(id=1240594178409820586, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Tab.4, caption=
Deviation ratio results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时间 Time/a | 5.34 | 7.15 | 11.60 | 13.74 |
|---|
| dS, A | 0.115 2 | 0.238 7 | 0.387 9 | 2.888 0 |
| dS, B | 0.000 022 436 | 0.007 6 | 0.995 5 | 1.000 0 |
| dS, C | 0.000 3 | 0.005 1 | 0.771 6 | 2.960 4 |
), ArticleFig(id=1240594178514678190, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=表4, caption=
偏差比例度结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时间 Time/a | 5.34 | 7.15 | 11.60 | 13.74 |
|---|
| dS, A | 0.115 2 | 0.238 7 | 0.387 9 | 2.888 0 |
| dS, B | 0.000 022 436 | 0.007 6 | 0.995 5 | 1.000 0 |
| dS, C | 0.000 3 | 0.005 1 | 0.771 6 | 2.960 4 |
), ArticleFig(id=1240594178619535795, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=EN, label=Tab.5, caption=
Summary of fusion results
, figureFileSmall=null, figureFileBig=null, tableContent=
| ρ1 | ρ2 | 真实分布 True distribution | 融合分布 Fusion distribution |
|---|
正态分布 Normal distribution | Weibull 分布 Weibull distribution | 正态分布 Normal distribution | Weibull 分布 Weibull distribution |
|---|
| 产品1 Product 1 | 0.045 8 | 0.006 5 | 0.150 7 | 0.110 2 | β=6 α=37.2 |   |
| 产品2 Product 2 | 0.071 1 | 0.134 9 | 0.122 4 | 0.153 2 | μ=25 σ=6 |   |
), ArticleFig(id=1240594178707616181, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594160697275166, language=CN, label=表5, caption=
融合结果汇总
, figureFileSmall=null, figureFileBig=null, tableContent=
| ρ1 | ρ2 | 真实分布 True distribution | 融合分布 Fusion distribution |
|---|
正态分布 Normal distribution | Weibull 分布 Weibull distribution | 正态分布 Normal distribution | Weibull 分布 Weibull distribution |
|---|
| 产品1 Product 1 | 0.045 8 | 0.006 5 | 0.150 7 | 0.110 2 | β=6 α=37.2 |   |
| 产品2 Product 2 | 0.071 1 | 0.134 9 | 0.122 4 | 0.153 2 | μ=25 σ=6 |   |
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