Article(id=1228635268731830757, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228635264860484432, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2024.09.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669651200000, receivedDateStr=2022-11-29, revisedDate=1679068800000, revisedDateStr=2023-03-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1770859075005, onlineDateStr=2026-02-12, pubDate=1727452800000, pubDateStr=2024-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770859075005, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770859075005, creator=13701087609, updateTime=1770859075005, updator=13701087609, issue=Issue{id=1228635264860484432, tenantId=1146029695717560320, journalId=1225147924628267009, year='2024', volume='37', issue='9', pageStart='1451', pageEnd='1624', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770859074081, creator=13701087609, updateTime=1770859151707, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228635590502055946, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228635264860484432, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228635590502055947, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228635264860484432, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1468, endPage=1475, ext={EN=ArticleExt(id=1228635268945740268, articleId=1228635268731830757, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Modeling and parameter identification of distributed parameter dynamics model for a human body, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Establishing human body dynamics model to obtain human natural vibration frequency is a common scientific challenge in various fields such as civil engineering,traffic engineering,aerospace,rehabilitation medicine and so on. The spring-mass-damper (SMD) model is most commonly used in previous studies,which actually is not consistent with the distribution characteristics of human mass and stiffness along the height. In this study,a distributed parameter dynamics model of the human body with a pair of biomechanical forces is proposed,and the analytical solution of human natural frequency is theoretically derived. Therefore,a frequency recognition method based on gait tests is proposed. 247 subjects are organized to conduct gait tests,and their stiffness and natural frequency are identified. The rationality and applicability of the proposed model are verified from multiple perspectives: by fitting the probability distribution of results,comparing the results with other researches,and analyzing the results across different age groups.
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建立人体动力学模型获取人体自振频率是土木工程、机械工程、交通工程、航空航天、康复医学等许多领域的共性科学问题,以往研究最常采用的弹簧⁃质量块⁃阻尼器集中质量模型,与实际人体质量、刚度沿身高的分布式特性并不相符。本研究提出含有生物自驱力的人体分布参数动力模型,理论上推导了自振频率的表达式,并据此提出了基于步态测试技术的频率识别算法。组织了247名测试者进行步态试验,识别了每位测试者的人体刚度和自振频率,进一步研究了识别参数的概率分布特征,并通过与以往研究结果对比、不同年龄段统计分析等,多角度验证了所提模型的合理性和适用性。
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1College of Civil Engineering,Tongji University,Shanghai 200092,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228635280534602491, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, authorId=1228635280261972721, language=CN, stringName=陈哲瑶, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1同济大学土木工程学院,上海 200092, bio={"content":"
陈哲瑶(1998—),女,硕士研究生。电话:(021)65985270;E-mail:chzhyao@tongji.edu.cn。
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陈哲瑶(1998—),女,硕士研究生。电话:(021)65985270;E-mail:chzhyao@tongji.edu.cn。
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1同济大学土木工程学院,上海 200092)])]), Author(id=1228635280626877184, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, 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=1228635280748512007, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, authorId=1228635280626877184, language=EN, stringName=Hao-qi WANG, firstName=Hao-qi, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1同济大学土木工程学院,上海 200092)])]), Author(id=1228635281310548768, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, 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=1228635281419600676, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, authorId=1228635281310548768, language=EN, stringName=Yong-fang ZHAO, firstName=Yong-fang, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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SMD model of a pedestrian with a pair of biomechanical forces, figureFileSmall=fxOUUIOxZFtZyxBuoNh3zg==, figureFileBig=a1LAKI7oCa+Sqd7vXqjAvQ==, tableContent=null), ArticleFig(id=1228635282644337509, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图1, caption=
含生物自驱力的行人SMD模型, figureFileSmall=fxOUUIOxZFtZyxBuoNh3zg==, figureFileBig=a1LAKI7oCa+Sqd7vXqjAvQ==, tableContent=null), ArticleFig(id=1228635282833081200, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.2, caption=
Distributed parameter model of a human body with a pair of biomechanical forces, figureFileSmall=d47YdkdXj1F/1/cbQ/Yprg==, figureFileBig=849I5xJGFHA9l/yUbDbbbw==, tableContent=null), ArticleFig(id=1228635282895995763, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图2, caption=
含生物自驱力的分布式人体模型, figureFileSmall=d47YdkdXj1F/1/cbQ/Yprg==, figureFileBig=849I5xJGFHA9l/yUbDbbbw==, tableContent=null), ArticleFig(id=1228635282979881848, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.3, caption=
Layout of the laboratory, figureFileSmall=GuABNULJqP1i09Kk2YbjuQ==, figureFileBig=eUJSd1C9i6FO8NWkyvl5xg==, tableContent=null), ArticleFig(id=1228635283063767931, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图3, caption=
实验室环境, figureFileSmall=GuABNULJqP1i09Kk2YbjuQ==, figureFileBig=eUJSd1C9i6FO8NWkyvl5xg==, tableContent=null), ArticleFig(id=1228635283206374271, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.4, caption=
A subject is conducting a gait test, figureFileSmall=1uS7dLaBSFeer7dINC9dxw==, figureFileBig=5Es21jE5uuy4iOtGe7m1mQ==, tableContent=null), ArticleFig(id=1228635284636631938, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图4, caption=
某测试者正在进行步态试验, figureFileSmall=1uS7dLaBSFeer7dINC9dxw==, figureFileBig=5Es21jE5uuy4iOtGe7m1mQ==, tableContent=null), ArticleFig(id=1228635284749878150, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.5, caption=
Vertical displacement response of some Markers for two subjects in a walking gait test, figureFileSmall=fnXw16I4fNbbtKt5/igHvw==, figureFileBig=oVMAaZJxHVNa6qUnitDmVQ==, tableContent=null), ArticleFig(id=1228635284854735755, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图5, caption=
两位测试者步态试验部分Marker点的竖向位移响应, figureFileSmall=fnXw16I4fNbbtKt5/igHvw==, figureFileBig=oVMAaZJxHVNa6qUnitDmVQ==, tableContent=null), ArticleFig(id=1228635284967981965, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.6, caption=
Time history of vertical vibration at point C7, figureFileSmall=RNpuzOELYQRb4FkaAtdQAA==, figureFileBig=dJU9kpMctPt4L4dnkkI3kw==, tableContent=null), ArticleFig(id=1228635285047673745, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图6, caption=
C7点竖向振动时程图, figureFileSmall=RNpuzOELYQRb4FkaAtdQAA==, figureFileBig=dJU9kpMctPt4L4dnkkI3kw==, tableContent=null), ArticleFig(id=1228635285118976917, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.7, caption=
Vertical dynamic response at point C7, figureFileSmall=pdUQvBN/WiKYS8RStVVnqA==, figureFileBig=RP97bcfSbmPcGYutsGf0Ww==, tableContent=null), ArticleFig(id=1228635285219640221, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图7, caption=
C7点竖向动力响应, figureFileSmall=pdUQvBN/WiKYS8RStVVnqA==, figureFileBig=RP97bcfSbmPcGYutsGf0Ww==, tableContent=null), ArticleFig(id=1228635285307720609, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.8, caption=
Results of human parameters of all subjects, figureFileSmall=1P9N7sUkFwtAgR8yjZ+5Nw==, figureFileBig=cJQ7ceshGimEMbkJGDAlww==, tableContent=null), ArticleFig(id=1228635285391606696, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图8, caption=
所有测试者的人体参数结果展示, figureFileSmall=1P9N7sUkFwtAgR8yjZ+5Nw==, figureFileBig=cJQ7ceshGimEMbkJGDAlww==, tableContent=null), ArticleFig(id=1228635285488075697, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.9, caption=
Probability density distribution and fitting of human parameters, figureFileSmall=W++9NBTYR1Cx+KUaKDnQcg==, figureFileBig=lxWG9lGmnLwBlQJuSqERig==, tableContent=null), ArticleFig(id=1228635285567767477, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图9, caption=
人体参数的概率密度分布及其拟合, figureFileSmall=W++9NBTYR1Cx+KUaKDnQcg==, figureFileBig=lxWG9lGmnLwBlQJuSqERig==, tableContent=null), ArticleFig(id=1228635285672625081, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Fig.10, caption=
Probability distribution histogram of human parameters for young participants and elderly participants, figureFileSmall=K/+JqDABZ//HxVFiV3S5sA==, figureFileBig=MxIXcNlKfR4u9GN/ttzBIg==, tableContent=null), ArticleFig(id=1228635285806842815, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=图10, caption=
青年和中老年人体参数的概率分布直方图, figureFileSmall=K/+JqDABZ//HxVFiV3S5sA==, figureFileBig=MxIXcNlKfR4u9GN/ttzBIg==, tableContent=null), ArticleFig(id=1228635285920089028, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Tab.1, caption=
Statistics of young participants
, figureFileSmall=null, figureFileBig=null, tableContent=
| 性别 | 人数 | 年龄/岁 | 体重/kg | 身高/cm |
|---|
| 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 |
|---|
| 男 | 53 | 23.4 | 2.34 | 20~29 | 66.0 | 8.44 | 39~88 | 173.86 | 6.39 | 155~185 |
| 女 | 14 | 22.8 | 1.15 | 47.8 | 4.20 | 162.86 | 3.68 |
), ArticleFig(id=1228635286008169418, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=表1, caption=
青年测试者统计数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 性别 | 人数 | 年龄/岁 | 体重/kg | 身高/cm |
|---|
| 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 |
|---|
| 男 | 53 | 23.4 | 2.34 | 20~29 | 66.0 | 8.44 | 39~88 | 173.86 | 6.39 | 155~185 |
| 女 | 14 | 22.8 | 1.15 | 47.8 | 4.20 | 162.86 | 3.68 |
), ArticleFig(id=1228635286117221328, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Tab.2, caption=
Statistics of elderly participants
, figureFileSmall=null, figureFileBig=null, tableContent=
| 性别 | 人数 | 年龄/岁 | 体重/kg | 身高/cm |
|---|
| 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 |
|---|
| 男 | 32 | 71.1 | 6.31 | 60~85 | 67.7 | 13.18 | 32~93 | 167.25 | 6.34 | 137~183 |
| 女 | 148 | 67.9 | 4.95 | 57.1 | 9.93 | 156.62 | 5.46 |
), ArticleFig(id=1228635286188524501, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=表2, caption=
老年测试者统计数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 性别 | 人数 | 年龄/岁 | 体重/kg | 身高/cm |
|---|
| 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 | 均值 | 标准差 | 范围 |
|---|
| 男 | 32 | 71.1 | 6.31 | 60~85 | 67.7 | 13.18 | 32~93 | 167.25 | 6.34 | 137~183 |
| 女 | 148 | 67.9 | 4.95 | 57.1 | 9.93 | 156.62 | 5.46 |
), ArticleFig(id=1228635286264021977, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Tab.3, caption=
Statistical characteristics of human parameters
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| 统计特征 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
|---|
| 均值 | 1.70 | 2865.2 |
| 标准差 | 0.36 | 1765.4 |
| 范围 | 1.00~3.88 | 820.1~15584.2 |
), ArticleFig(id=1228635286347908061, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=表3, caption=
人体参数统计特征
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| 统计特征 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
|---|
| 均值 | 1.70 | 2865.2 |
| 标准差 | 0.36 | 1765.4 |
| 范围 | 1.00~3.88 | 820.1~15584.2 |
), ArticleFig(id=1228635286435988451, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Tab.4, caption=
Comparison with results from other researches
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| 研究来源 | 年份 | 测试人数 | 人体模型 | 测试方法 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
|---|
| Shahabpoor[7] | 2014 | 2,3,4,6,10,15 | 集中参数模型 | 实验室人行桥人群试验 | 1.50~3.50 | — |
| Nimmen等[8] | 2015 | 9,21 | 集中参数模型 | 原位人行天桥人群试验 | 2.50~4.00 | — |
| 张梦诗等[17] | 2016 | 4,7,10 | 集中参数模型 | 实验室人行桥人群试验 | 1.77~1.94 | 9350~10600 |
| Wang等[11] | 2017 | 56 | 集中参数模型 | 步行地反力测试 | 1.82~2.13 | — |
| 本文 | 2022 | 297 | 分布参数模型 | 步态试验 | 1.00~3.88 | 820~15584 |
), ArticleFig(id=1228635286561817579, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=表4, caption=
与其他研究结果的对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 研究来源 | 年份 | 测试人数 | 人体模型 | 测试方法 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
|---|
| Shahabpoor[7] | 2014 | 2,3,4,6,10,15 | 集中参数模型 | 实验室人行桥人群试验 | 1.50~3.50 | — |
| Nimmen等[8] | 2015 | 9,21 | 集中参数模型 | 原位人行天桥人群试验 | 2.50~4.00 | — |
| 张梦诗等[17] | 2016 | 4,7,10 | 集中参数模型 | 实验室人行桥人群试验 | 1.77~1.94 | 9350~10600 |
| Wang等[11] | 2017 | 56 | 集中参数模型 | 步行地反力测试 | 1.82~2.13 | — |
| 本文 | 2022 | 297 | 分布参数模型 | 步态试验 | 1.00~3.88 | 820~15584 |
), ArticleFig(id=1228635286649897969, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=EN, label=Tab.5, caption=
Statistical characteristics of human parameters for young participants and elderly participants
, figureFileSmall=null, figureFileBig=null, tableContent=
| 年龄分组 | 数量 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
|---|
| 均值 | 标准差 | 变异系数 | 范围 | 均值 | 标准差 | 变异系数 | 范围 |
|---|
| 青 年 | 109 | 1.90 | 0.51 | 0.27 | 1.00~3.88 | 3707.75 | 2645.84 | 0.71 | 820.11~15584.23 |
| 中老年 | 188 | 1.58 | 0.12 | 0.08 | 1.14~1.93 | 2381.13 | 515.32 | 0.22 | 1205.24~3883.68 |
), ArticleFig(id=1228635286733784056, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228635268731830757, language=CN, label=表5, caption=
青年和中老年的人体参数统计特征
, figureFileSmall=null, figureFileBig=null, tableContent=
| 年龄分组 | 数量 | 人体自振频率/Hz | 人体刚度/(N·m-1) |
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| 均值 | 标准差 | 变异系数 | 范围 | 均值 | 标准差 | 变异系数 | 范围 |
|---|
| 青 年 | 109 | 1.90 | 0.51 | 0.27 | 1.00~3.88 | 3707.75 | 2645.84 | 0.71 | 820.11~15584.23 |
| 中老年 | 188 | 1.58 | 0.12 | 0.08 | 1.14~1.93 | 2381.13 | 515.32 | 0.22 | 1205.24~3883.68 |
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