Article(id=1227591029474390976, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.202404024, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1712592000000, receivedDateStr=2024-04-09, revisedDate=1715356800000, revisedDateStr=2024-05-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1770610108964, onlineDateStr=2026-02-09, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770610108964, onlineIssueDateStr=2026-02-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770610108964, creator=13701087609, updateTime=1770610108964, updator=13701087609, issue=Issue{id=1227591023870800760, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='8', pageStart='1645', pageEnd='1934', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1770610107611, creator=13701087609, updateTime=1770610373804, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1227592140348388157, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1227592140348388158, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1227591023870800760, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1732, endPage=1738, ext={EN=ArticleExt(id=1227591029906404299, articleId=1227591029474390976, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Load spectrum editing method for automotive components based on generalised S-transformation, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Existing S-transform-based load spectrum editing methods for automotive components suffer from the problem of lack of adaptivity in time-frequency resolution,which affects the time-frequency aggregation of load spectrum energy and leads to poor editing results. To solve this problem,based on the theory of generalised S-transform (GST),the application of GST method in the field of automobile components load spectrum editing is explored. The GST method is used to perform time-frequency analysis of the mount load spectrum to obtain the distribution information of the load energy on the time and frequency axes. The accumulative power spectral density (APSD) of the load spectrum is calculated,and a genetic algorithm is used to determine the threshold value of the APSD in order to identify the time segments of the load spectrum with smaller damage contributions. The time segments of the load spectrum with small damage contributions are identified and removed,and the remaining load time segments are spliced to obtain a compressed load spectrum. Comparing with the load spectrum editing method based on S-transform,it is found that the time compression of the compressed load spectrum obtained based on the GST method is larger,and the compressed load spectrum basically matches with the original load spectrum in terms of statistical parameters,power spectral density,rainflow counts,fatigue life and damage distribution. The results show that the GST method is suitable for editing the load spectrum of automotive components. It can provide an effective means to improve the efficiency of durability bench tests of automotive components.
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现有的基于S变换的汽车零部件载荷谱编辑方法存在时频分辨率缺乏自适应性的问题,影响载荷谱能量的时频聚集性,并进一步影响载荷谱编辑效果。为解决此问题,以汽车橡胶悬置为研究对象,基于广义S变换理论,探索广义S变换方法在汽车零部件载荷谱编辑领域的应用。采用广义S变换方法开展悬置载荷谱时频分析,以获取载荷能量在不同时间和频率下的分布信息;计算载荷谱的累积功率谱密度,并采用遗传算法确定累积功率谱密度的阈值,以识别载荷谱中损伤贡献量较小的时间片段;删除识别到的载荷时间片段,得到缩减载荷谱。与基于S变换的载荷谱编辑方法进行比较,研究发现,基于广义S变换方法获得的缩减载荷谱的时间压缩量较大,且缩减载荷谱在统计参数、功率谱密度、雨流计数、疲劳寿命及损伤分布等方面均与原始载荷谱基本吻合。结果表明,广义S变换方法适用于编辑汽车零部件载荷谱,可为提高汽车零部件的耐久性台架试验效率提供一种有效手段。
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1.湖南科技大学机电工程学院,湖南 湘潭 411201, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653578693739517, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=1., ext=[AuthorCompanyExt(id=1227653578723099647, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653578693739517, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.湖南科技大学机电工程学院,湖南 湘潭 411201)])]), Author(id=1227653580916719697, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1227653581046743136, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653580916719697, language=EN, stringName=Chaofan YU, firstName=Chaofan, middleName=null, lastName=YU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Mechanical Engineering,Hunan University of Science and Technology,Xiangtan 411201,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653581151600748, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653580916719697, language=CN, stringName=于超凡, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.湖南科技大学机电工程学院,湖南 湘潭 411201, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653578693739517, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=1., ext=[AuthorCompanyExt(id=1227653578723099647, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653578693739517, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.湖南科技大学机电工程学院,湖南 湘潭 411201)])]), Author(id=1227653581256458358, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1227653581411647622, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653581256458358, language=EN, stringName=Wei SHI, firstName=Wei, middleName=null, lastName=SHI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Nobo Rubber Products Co., Ltd., Baoding 072550,China
3.Hebei Automotive Rubber AVS & Sealing Tech Center,Baoding 072550,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653581508116626, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653581256458358, language=CN, stringName=石伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.诺博橡胶制品有限公司,河北 保定 072550
3.河北省汽车减震与密封橡胶产品技术创新中心,河北 保定 072550, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653578874093578, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=2., ext=[AuthorCompanyExt(id=1227653578882482186, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653578874093578, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Nobo Rubber Products Co., Ltd., Baoding 072550,China), AuthorCompanyExt(id=1227653578890870795, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653578874093578, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.诺博橡胶制品有限公司,河北 保定 072550)]), AuthorCompany(id=1227653579033477143, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=3., ext=[AuthorCompanyExt(id=1227653579046060056, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653579033477143, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Hebei Automotive Rubber AVS & Sealing Tech Center,Baoding 072550,China), AuthorCompanyExt(id=1227653579062837274, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653579033477143, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.河北省汽车减震与密封橡胶产品技术创新中心,河北 保定 072550)])]), Author(id=1227653581713637541, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1227653581914964148, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653581713637541, language=EN, stringName=Xuepeng QIAN, firstName=Xuepeng, middleName=null, lastName=QIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Nobo Rubber Products Co., Ltd., Baoding 072550,China
3.Hebei Automotive Rubber AVS & Sealing Tech Center,Baoding 072550,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1227653582070153404, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, authorId=1227653581713637541, language=CN, stringName=钱学朋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.诺博橡胶制品有限公司,河北 保定 072550
3.河北省汽车减震与密封橡胶产品技术创新中心,河北 保定 072550, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1227653578874093578, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=2., ext=[AuthorCompanyExt(id=1227653578882482186, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653578874093578, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.诺博橡胶制品有限公司,河北 保定 072550)]), AuthorCompany(id=1227653579033477143, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, xref=3., ext=[AuthorCompanyExt(id=1227653579046060056, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653579033477143, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Hebei Automotive Rubber AVS & Sealing Tech Center,Baoding 072550,China), AuthorCompanyExt(id=1227653579062837274, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, companyId=1227653579033477143, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.河北省汽车减震与密封橡胶产品技术创新中心,河北 保定 072550)])])], keywords=[Keyword(id=1227653582330200276, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, orderNo=1, keyword=load spectrum editing), Keyword(id=1227653582456029408, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, orderNo=2, keyword=generalised S-transform), Keyword(id=1227653582581858538, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, orderNo=3, keyword=durability), Keyword(id=1227653582695104755, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, orderNo=4, keyword=time-frequency analysis), Keyword(id=1227653582799962367, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, orderNo=5, keyword=bench tests), Keyword(id=1227653582909014284, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, orderNo=1, keyword=载荷谱编辑), Keyword(id=1227653583009677584, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, orderNo=2, keyword=广义S变换), Keyword(id=1227653583148089627, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, orderNo=3, keyword=耐久性), Keyword(id=1227653583244558627, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, orderNo=4, keyword=时频分析), Keyword(id=1227653583328444715, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, orderNo=5, keyword=台架试验)], refs=[Reference(id=1227653588294500909, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, doi=null, pmid=null, pmcid=null, year=2020, volume=42, issue=1, pageStart=127, pageEnd=133, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=赵礼辉, 李佳欣, 井清, journalName=汽车工程, refType=null, unstructuredReference=赵礼辉,李佳欣,井清,等.关联用户的汽车试验场耐久性评价路况循环确定方法研究[J].
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Mount load spectrum, figureFileSmall=SOfel70BGw/Ev8dP58tNNA==, figureFileBig=KjAnmVW4bBiktTfy06s1Vw==, tableContent=null), ArticleFig(id=1227653585245241688, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图2, caption=
悬置载荷谱, figureFileSmall=SOfel70BGw/Ev8dP58tNNA==, figureFileBig=KjAnmVW4bBiktTfy06s1Vw==, tableContent=null), ArticleFig(id=1227653585383653726, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 3, caption=
Variation curves for aggregation metrics, figureFileSmall=9uwNYhg5aaWPsmZdX1Y80w==, figureFileBig=RoA5EwGxi/yf2hp64HyEyw==, tableContent=null), ArticleFig(id=1227653585463345514, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图3, caption=
聚集性度量值的变化曲线, figureFileSmall=9uwNYhg5aaWPsmZdX1Y80w==, figureFileBig=RoA5EwGxi/yf2hp64HyEyw==, tableContent=null), ArticleFig(id=1227653585559814514, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 4, caption=
Accumulative power density distribution spectral of mount load spectrum, figureFileSmall=0PkoKJ9B5EB9V98lXJ32XA==, figureFileBig=/xKGPxiBVOpVvS80gq7rYA==, tableContent=null), ArticleFig(id=1227653585647894907, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图4, caption=
悬置载荷谱的累积功率谱密度分布, figureFileSmall=0PkoKJ9B5EB9V98lXJ32XA==, figureFileBig=/xKGPxiBVOpVvS80gq7rYA==, tableContent=null), ArticleFig(id=1227653585744363908, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 5, caption=
Mount compressed load spectrum obtained by the generalised S-transform based method, figureFileSmall=oO3CYEh4W0ZUfsP8Z7JOXQ==, figureFileBig=aW2n6BXLlvh+XgnBQOtTGg==, tableContent=null), ArticleFig(id=1227653585857610126, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图5, caption=
基于广义S变换方法获得的悬置缩减载荷谱, figureFileSmall=oO3CYEh4W0ZUfsP8Z7JOXQ==, figureFileBig=aW2n6BXLlvh+XgnBQOtTGg==, tableContent=null), ArticleFig(id=1227653585958273429, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 6, caption=
Mount compressed load spectrum obtained by the S-transform based method, figureFileSmall=CvS6xx+9LQ6VpnT5U5lYWA==, figureFileBig=fUD52dhCCvTcMWgN5V5YHg==, tableContent=null), ArticleFig(id=1227653586054742429, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图6, caption=
基于S变换方法获得的悬置缩减载荷谱, figureFileSmall=CvS6xx+9LQ6VpnT5U5lYWA==, figureFileBig=fUD52dhCCvTcMWgN5V5YHg==, tableContent=null), ArticleFig(id=1227653586151211428, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 7, caption=
Comparison of mount load spectrum power spectral density distribution, figureFileSmall=OISR5lzQde0yXkWvNsPhww==, figureFileBig=azMVQAmpilS4S/mmjB8e3Q==, tableContent=null), ArticleFig(id=1227653586260263340, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图7, caption=
悬置载荷谱功率谱密度分布对比, figureFileSmall=OISR5lzQde0yXkWvNsPhww==, figureFileBig=azMVQAmpilS4S/mmjB8e3Q==, tableContent=null), ArticleFig(id=1227653586356732340, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 8, caption=
Mount load spectrum rainflow count analysis, figureFileSmall=U8ZjbfDHT9awtygVj0qrlw==, figureFileBig=a90AQgxOKiRWLgXu5MT7KA==, tableContent=null), ArticleFig(id=1227653586511921597, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图8, caption=
悬置载荷谱雨流计数分析, figureFileSmall=U8ZjbfDHT9awtygVj0qrlw==, figureFileBig=a90AQgxOKiRWLgXu5MT7KA==, tableContent=null), ArticleFig(id=1227653586734219718, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Fig. 9, caption=
Mount fatigue life and damage distribution under different loading spectra, figureFileSmall=Bnb3IS5gFErXSadvN1XLoA==, figureFileBig=wQ2lAcFp9PUouEdidFhJXg==, tableContent=null), ArticleFig(id=1227653586876826065, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=图9, caption=
不同载荷谱下悬置疲劳寿命及损伤分布, figureFileSmall=Bnb3IS5gFErXSadvN1XLoA==, figureFileBig=wQ2lAcFp9PUouEdidFhJXg==, tableContent=null), ArticleFig(id=1227653587036209628, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Tab. 1, caption=
Parameter setting of the genetic algorithm
, figureFileSmall=null, figureFileBig=null, tableContent=
| 种群大小 | 最大遗传代数 | 交叉概率 | 突变概率 |
|---|
| 10 | 100 | 0.7 | 0.01 |
), ArticleFig(id=1227653587149455844, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=表1, caption=
遗传算法的参数设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 种群大小 | 最大遗传代数 | 交叉概率 | 突变概率 |
|---|
| 10 | 100 | 0.7 | 0.01 |
), ArticleFig(id=1227653587296256493, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Tab. 2, caption=
Statistical parameters of mount load spectra before and after editing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱 | 均值/N | 均方根值/N | 峭度 |
|---|
| 原始载荷谱 | 182.14 | 722.88 | 4.60 |
| 缩减载荷谱Ⅰ | 208.93 | 796.68 | 3.94 |
| 缩减载荷谱Ⅱ | 208.89 | 784.96 | 3.95 |
), ArticleFig(id=1227653587443057146, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=表2, caption=
编辑前后悬置载荷谱的统计参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱 | 均值/N | 均方根值/N | 峭度 |
|---|
| 原始载荷谱 | 182.14 | 722.88 | 4.60 |
| 缩减载荷谱Ⅰ | 208.93 | 796.68 | 3.94 |
| 缩减载荷谱Ⅱ | 208.89 | 784.96 | 3.95 |
), ArticleFig(id=1227653587560497665, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Tab. 3, caption=
Relative errors of statistical parameters mount load spectra before and after editing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱 | 均值误差/% | 均方根值误差/% | 峭度误差/% |
|---|
| 缩减载荷谱Ⅰ | 14.71 | 10.21 | -14.28 |
| 缩减载荷谱Ⅱ | 14.69 | 8.59 | -14.13 |
), ArticleFig(id=1227653587673743877, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=表3, caption=
编辑前后悬置载荷谱统计参数之间的相对误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱 | 均值误差/% | 均方根值误差/% | 峭度误差/% |
|---|
| 缩减载荷谱Ⅰ | 14.71 | 10.21 | -14.28 |
| 缩减载荷谱Ⅱ | 14.69 | 8.59 | -14.13 |
), ArticleFig(id=1227653587807961614, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=EN, label=Tab. 4, caption=
Mount fatigue simulation results under different loading spectra
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱类型 | 疲劳损伤 | 疲劳寿命/次 | 计算时间/h |
|---|
| 原始载荷谱 | 3.86×10-4 | 2588 | 200.9 |
| 缩减载荷谱Ⅰ | 3.86×10-4 | 2588 | 158.5 |
| 缩减载荷谱Ⅱ | 3.86×10-4 | 2588 | 169.8 |
), ArticleFig(id=1227653587925402129, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1227591029474390976, language=CN, label=表4, caption=
不同载荷谱下悬置疲劳仿真结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷谱类型 | 疲劳损伤 | 疲劳寿命/次 | 计算时间/h |
|---|
| 原始载荷谱 | 3.86×10-4 | 2588 | 200.9 |
| 缩减载荷谱Ⅰ | 3.86×10-4 | 2588 | 158.5 |
| 缩减载荷谱Ⅱ | 3.86×10-4 | 2588 | 169.8 |
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