Article(id=1149738722855404320, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738718707237637, articleNumber=1003-3033(2024)08-0238-09, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2024.08.1776, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1708358400000, receivedDateStr=2024-02-20, revisedDate=1716134400000, revisedDateStr=2024-05-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1752048672641, onlineDateStr=2025-07-09, pubDate=1724774400000, pubDateStr=2024-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752048672641, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752048672641, creator=13701087609, updateTime=1752048672641, updator=13701087609, issue=Issue{id=1149738718707237637, tenantId=1146029695717560320, journalId=1146031787341344770, year='2024', volume='34', issue='8', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752048671651, creator=13701087609, updateTime=1756376992009, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1167893010143519453, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738718707237637, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1167893010143519454, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738718707237637, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=238, endPage=246, ext={EN=ArticleExt(id=1149738723031565089, articleId=1149738722855404320, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=MET prediction model of muscle fatigue in drilling with simulated overhand position, columnId=1149735805633081985, journalTitle=China Safety Science Journal, columnName=Occupational health, runingTitle=null, highlight=null, articleAbstract=
In order to evaluate the development of muscle fatigue during drilling operations in the hand-over-head posture,a simulated drilling test was conducted to measure the maximum voluntary contraction (MVC) of muscles before the test,the maximum residual muscle strength (MRF) after the test,the degree of strength output attenuation (ΔF),and ratings of perceived exertion (RPE) of wrists,elbows,and shoulders. MET was recorded. By setting different combinations of three operating surfaces (front,side,and bottom) and three operating heights as experimental variables,the effects of different operating methods on muscle fatigue during drilling operations under hand head posture were compared. Subsequently,the effects of three operating surfaces (front,side,and bottom) and three operating heights on MET,MRF,ΔF,as well as RPE of wrist,elbow,and shoulder were analyzed. Research has shown that using frontal manipulation and reducing arm lift height can effectively alleviate muscle fatigue. Different operating surfaces significantly affect MET,MRF,and ΔF,as well as RPE of the wrist,elbow,and shoulder. Different operating heights significantly affect MET,MRF,and RPE of the elbow. MET prediction model established in this article can reflect the muscle fatigue status of personnel during drilling operations in the hand-head posture.
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为评价手过头姿势下钻孔作业过程中人员肌肉疲劳发展情况,先通过模拟手过头姿势下的钻孔试验,测量试验前肌肉的最大随意收缩(MVC)、试验后的最大剩余肌力(MRF)、力量输出衰减程度(ΔF)以及手腕、手肘和肩部的主观疲劳评分(RPE),记录最大耐受时间(MET);通过设定3种操作面(正面、侧面、底面)和3种操作高度的不同操作组合作为试验变量,比较不同操作方式对手过头姿势下钻孔作业的肌肉疲劳影响情况,随后分析3种操作面(正面、侧面、底面)和3种操作高度下对MET、MRF、ΔF以及手腕、手肘和肩部RPE的影响。研究结果表明:采用正面操作并降低手臂上举高度能有效减轻肌肉疲劳;不同操作面显著影响MET、MRF及ΔF,同时,显著影响手腕、手肘和肩部的RPE;不同的操作高度显著影响MET、MRF以及手肘的RPE;所建立的MET预测模型可反映手过头姿势下钻孔作业过程中人员肌肉疲劳状态。
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赵川 (1988—),男,山东淄博人,博士,讲师(助理教授),主要从事人机工效和工业设计等方面的研究。E-mail:zhaochuancow@gmail.com。
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赵川 (1988—),男,山东淄博人,博士,讲师(助理教授),主要从事人机工效和工业设计等方面的研究。E-mail:zhaochuancow@gmail.com。
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42(10):1 943-1 950., articleTitle=Sex differences in fatigue resistance are muscle group dependent, refAbstract=null)], funds=[Fund(id=1167877711352570717, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, awardId=2021-JCJQ-JJ-1026, language=CN, fundingSource=基础加强计划技术领域基金(2021-JCJQ-JJ-1026), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1167877707305067295, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, xref=null, ext=[AuthorCompanyExt(id=1167877707309261600, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, companyId=1167877707305067295, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical and Electrical Engineering,Qingdao University,Qingdao Shandong 266071,China), AuthorCompanyExt(id=1167877707317650209, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, companyId=1167877707305067295, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=青岛大学 机电工程学院,山东 青岛 266071)])], figs=[ArticleFig(id=1167877708907291451, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.1, caption=
Three operating surface illustrations, figureFileSmall=dVurp9I9J1uKJAy7WhaJRQ==, figureFileBig=mFLtg6akgUteu1Q+OUzXqA==, tableContent=null), ArticleFig(id=1167877708995371836, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图1, caption=
3种操作面, figureFileSmall=dVurp9I9J1uKJAy7WhaJRQ==, figureFileBig=mFLtg6akgUteu1Q+OUzXqA==, tableContent=null), ArticleFig(id=1167877709100229437, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.2, caption=
Diagram of three types of operation heights, figureFileSmall=z2dXTt98HkzV6k9HcAG2Tg==, figureFileBig=9BPtsrVpPVDGdZGd73yGIQ==, tableContent=null), ArticleFig(id=1167877709213475646, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图2, caption=
3种操作高度, figureFileSmall=z2dXTt98HkzV6k9HcAG2Tg==, figureFileBig=9BPtsrVpPVDGdZGd73yGIQ==, tableContent=null), ArticleFig(id=1167877709314138943, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.3, caption=
Experimental design process, figureFileSmall=tFMCdTXXsq4QaOYFI2lmKw==, figureFileBig=XdMFryWalasMzmUevezu/A==, tableContent=null), ArticleFig(id=1167877709381247808, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图3, caption=
试验流程, figureFileSmall=tFMCdTXXsq4QaOYFI2lmKw==, figureFileBig=XdMFryWalasMzmUevezu/A==, tableContent=null), ArticleFig(id=1167877709431579457, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.4, caption=
Muscle fatigue of different operation surfaces and heights, figureFileSmall=wWuR0IjjgxTREWnSGuNLMg==, figureFileBig=7PJHQ25rMFpkuu4l5wxw4w==, tableContent=null), ArticleFig(id=1167877709486105410, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图4, caption=
不同试验条件下的MET数值, figureFileSmall=wWuR0IjjgxTREWnSGuNLMg==, figureFileBig=7PJHQ25rMFpkuu4l5wxw4w==, tableContent=null), ArticleFig(id=1167877709536437059, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.5, caption=
Pairwise comparison results of MET,MRF,ΔF on different operating surfaces and heights, figureFileSmall=vAA6bIfs7wInZ5ma1wispw==, figureFileBig=4uBsCR8tbOWf+JbPSxaD0Q==, tableContent=null), ArticleFig(id=1167877709582574404, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图5, caption=
MET、MRF、ΔF在不同操作面和不同操作高度的两两比较结果 注:***p<0.001,** p<0.01,* p<0.05
, figureFileSmall=vAA6bIfs7wInZ5ma1wispw==, figureFileBig=4uBsCR8tbOWf+JbPSxaD0Q==, tableContent=null), ArticleFig(id=1167877709641294661, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.6, caption=
Pairwise comparison results of RPE (wrist,elbow,shoulder) on different operating surfaces and heights, figureFileSmall=IfnZPWFwJEuhHDo9XzjEyw==, figureFileBig=hJliqY7nmvhGgfksVC2HqA==, tableContent=null), ArticleFig(id=1167877709691626310, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图6, caption=
RPE(手腕、手肘、肩)在不同操作面和操作高度的两两比较结果, figureFileSmall=IfnZPWFwJEuhHDo9XzjEyw==, figureFileBig=hJliqY7nmvhGgfksVC2HqA==, tableContent=null), ArticleFig(id=1167877709821649735, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Fig.7, caption=
MET-f curves under different MET models, figureFileSmall=MnLQJ0zF/1MgqGwJ86CcuQ==, figureFileBig=CVT5ZQfixnxWsCCkBEIk4A==, tableContent=null), ArticleFig(id=1167877709876175688, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=图7, caption=
MET 模型的MET-f曲线, figureFileSmall=MnLQJ0zF/1MgqGwJ86CcuQ==, figureFileBig=CVT5ZQfixnxWsCCkBEIk4A==, tableContent=null), ArticleFig(id=1167877709955867465, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 1, caption=
Sorting of experiments with different operating surfaces and heights
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验编号 | 自变量 |
| 操作面 | 操作高度/mm |
| 1 | 正面S1 | H1 |
| 2 | 正面S1 | H2 |
| 3 | 正面S1 | H3 |
| 4 | 侧面S2 | H1 |
| 5 | 侧面S2 | H2 |
| 6 | 侧面S2 | H3 |
| 7 | 底面S3 | H1 |
| 8 | 底面S3 | H2 |
| 9 | 底面S3 | H3 |
), ArticleFig(id=1167877710006199114, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表1, caption=
不同操作面与不同操作高度的试验排序
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验编号 | 自变量 |
| 操作面 | 操作高度/mm |
| 1 | 正面S1 | H1 |
| 2 | 正面S1 | H2 |
| 3 | 正面S1 | H3 |
| 4 | 侧面S2 | H1 |
| 5 | 侧面S2 | H2 |
| 6 | 侧面S2 | H3 |
| 7 | 底面S3 | H1 |
| 8 | 底面S3 | H2 |
| 9 | 底面S3 | H3 |
), ArticleFig(id=1167877710069113675, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 2, caption=
Repeated measurements ANOVA of MET,MRF,ΔF with different operating surface and height
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应 | MET | MRF | ΔF |
| df | F | p | df | F | p | df | F | p |
| 主效应 | — | — | — | — | — | — | — | — | — |
| 操作面 | 2 | 95.84 | 0.00 | 2 | 135.37 | 0.00 | 2 | 135.37 | 0.00 |
| 操作高度 | 2 | 4.08 | 0.02 | 2 | 3.84 | 0.03 | 2 | 2.75 | 0.05 |
| 交互效应 | — | — | — | — | — | — | — | — | — |
| 操作面与操作高度 | 4 | 1.41 | 0.25 | 4 | 10.12 | 0.00 | 4 | 3.75 | 0.03 |
), ArticleFig(id=1167877710136222540, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表2, caption=
MET、MRF、ΔF在不同操作面和操作高度的重复测量方差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应 | MET | MRF | ΔF |
| df | F | p | df | F | p | df | F | p |
| 主效应 | — | — | — | — | — | — | — | — | — |
| 操作面 | 2 | 95.84 | 0.00 | 2 | 135.37 | 0.00 | 2 | 135.37 | 0.00 |
| 操作高度 | 2 | 4.08 | 0.02 | 2 | 3.84 | 0.03 | 2 | 2.75 | 0.05 |
| 交互效应 | — | — | — | — | — | — | — | — | — |
| 操作面与操作高度 | 4 | 1.41 | 0.25 | 4 | 10.12 | 0.00 | 4 | 3.75 | 0.03 |
), ArticleFig(id=1167877710203331405, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 3, caption=
Comparison of p among MET,MRF,ΔF on different operating surfaces and operating heights
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 正面与 侧面 | 正面与 底面 | 侧面与 底面 | H1与 H2 | H1与 H3 | H2与 H3 |
| MET | 0.000 | 0.000 | 0.479 | 0.231 | 0.998 | 0.058 |
| MRF | 0.070 | 0.000 | 0.000 | 0.000 | 0.001 | 0.004 |
| ΔF | 0.001 | 0.000 | 0.009 | 0.078 | 0.000 | 0.441 |
), ArticleFig(id=1167877710270440270, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表3, caption=
MET、MRF、ΔF在不同操作面与操作高度p比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 正面与 侧面 | 正面与 底面 | 侧面与 底面 | H1与 H2 | H1与 H3 | H2与 H3 |
| MET | 0.000 | 0.000 | 0.479 | 0.231 | 0.998 | 0.058 |
| MRF | 0.070 | 0.000 | 0.000 | 0.000 | 0.001 | 0.004 |
| ΔF | 0.001 | 0.000 | 0.009 | 0.078 | 0.000 | 0.441 |
), ArticleFig(id=1167877710320771919, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 4, caption=
Mean values of MET,MRF and ΔF for different operating surfaces and heights
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | MET | MRF | ΔF |
| S1 | 3.97(±1.81) | 10.08(±3.47) | 2.61(±1.05) |
| S2 | 1.40(±0.55) | 6.52(±1.16) | 0.86(±0.28) |
| S3 | 1.60(±0.60) | 12.10(±2.88) | 2.91(±1.79) |
| H1 | 2.59(±1.71) | 9.69(±3.28) | 1.82(±1.37) |
| H2 | 2.28(±1.68) | 8.72(±2.76) | 1.72(±1.38) |
| H3 | 2.10(±1.49) | 10.30(±4.27) | 1.70(±1.48) |
), ArticleFig(id=1167877710400463696, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表4, caption=
不同操作面和不同操作高度的MET、MRF、ΔF平均值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | MET | MRF | ΔF |
| S1 | 3.97(±1.81) | 10.08(±3.47) | 2.61(±1.05) |
| S2 | 1.40(±0.55) | 6.52(±1.16) | 0.86(±0.28) |
| S3 | 1.60(±0.60) | 12.10(±2.88) | 2.91(±1.79) |
| H1 | 2.59(±1.71) | 9.69(±3.28) | 1.82(±1.37) |
| H2 | 2.28(±1.68) | 8.72(±2.76) | 1.72(±1.38) |
| H3 | 2.10(±1.49) | 10.30(±4.27) | 1.70(±1.48) |
), ArticleFig(id=1167877710454989649, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 5, caption=
MET,MRF,ΔF Pearson correlation analysis
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 相关性 | MET | MRF | ΔF |
| MET | 皮尔逊相关性 | 1 | -0.056 | 0.112 |
| MRF | 皮尔逊相关性 | -0.056 | 1 | 0.201* |
| ΔF | 皮尔逊相关性 | 0.112 | 0.201* | 1 |
), ArticleFig(id=1167877710513709906, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表5, caption=
MET、MRF、ΔF皮尔逊相关分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 相关性 | MET | MRF | ΔF |
| MET | 皮尔逊相关性 | 1 | -0.056 | 0.112 |
| MRF | 皮尔逊相关性 | -0.056 | 1 | 0.201* |
| ΔF | 皮尔逊相关性 | 0.112 | 0.201* | 1 |
), ArticleFig(id=1167877710585013075, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 6, caption=
Repeated measurements ANOVA of RPE (Wrist,elbow,shoulder) with different operating surface and height
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应 | RPE |
| 手腕 | 手肘 | 肩 |
| df | F | p | df | F | p | df | F | p |
| 主效应 | — | — | — | — | — | — | — | — | — |
| 操作面 | 2 | 4.45 | 0.01 | 2 | 3.58 | 0.03 | 2 | 3.12 | 0.04 |
| 操作高度 | 2 | 0.46 | 0.64 | 2 | 3.30 | 0.04 | 2 | 0.99 | 0.46 |
| 交互效应 | — | — | — | — | — | — | — | — | — |
| 操作面与操作高度 | 4 | 1.14 | 0.34 | 4 | 2.14 | 0.08 | 4 | 0.09 | 0.98 |
), ArticleFig(id=1167877710647927636, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表6, caption=
RPE(手腕、手肘、肩)在操作面和操作高度的重复测量方差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应 | RPE |
| 手腕 | 手肘 | 肩 |
| df | F | p | df | F | p | df | F | p |
| 主效应 | — | — | — | — | — | — | — | — | — |
| 操作面 | 2 | 4.45 | 0.01 | 2 | 3.58 | 0.03 | 2 | 3.12 | 0.04 |
| 操作高度 | 2 | 0.46 | 0.64 | 2 | 3.30 | 0.04 | 2 | 0.99 | 0.46 |
| 交互效应 | — | — | — | — | — | — | — | — | — |
| 操作面与操作高度 | 4 | 1.14 | 0.34 | 4 | 2.14 | 0.08 | 4 | 0.09 | 0.98 |
), ArticleFig(id=1167877710719230805, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 7, caption=
Comparison of p in RPE (wrist,elbow,shoulder) across different operating surfaces and operating heights
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| 类型 | 正面与侧面 | 正面与底面 | 侧面与底面 | H1与H2 | H1与H3 | H2与H3 |
| 手腕 | 0.726 | 0.731 | 0.169 | 0.672 | 0.699 | 0.993 |
| 手肘 | 0.762 | 0.213 | 0.759 | 0.478 | 0.003 | 0.554 |
| 肩 | 0.867 | 0.263 | 0.444 | 1.000 | 0.819 | 0.859 |
), ArticleFig(id=1167877710815699798, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表7, caption=
RPE(手腕、手肘、肩)在不同操作面与操作高度p比较
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| 类型 | 正面与侧面 | 正面与底面 | 侧面与底面 | H1与H2 | H1与H3 | H2与H3 |
| 手腕 | 0.726 | 0.731 | 0.169 | 0.672 | 0.699 | 0.993 |
| 手肘 | 0.762 | 0.213 | 0.759 | 0.478 | 0.003 | 0.554 |
| 肩 | 0.867 | 0.263 | 0.444 | 1.000 | 0.819 | 0.859 |
), ArticleFig(id=1167877710874420055, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 8, caption=
MET regression equation for overhead work
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| 函数形式 | 回归方程 | 决定系数R2 | p | MET计算公式 |
| 指数函数 | 有截距 | | 0.61 | 截距: p<0.001; X: p = 0.000 | | (5) |
| 无截距 | | 0.29 | p<0.001 | | (6) |
| 幂函数 | 有截距 | | 0.31 | 截距: p<0.001; X: p = 0.000 | | (7) |
| 无截距 | | 0.73 | p<0.001 | | (8) |
), ArticleFig(id=1167877710941528920, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表8, caption=
手过头作业MET回归方程
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| 函数形式 | 回归方程 | 决定系数R2 | p | MET计算公式 |
| 指数函数 | 有截距 | | 0.61 | 截距: p<0.001; X: p = 0.000 | | (5) |
| 无截距 | | 0.29 | p<0.001 | | (6) |
| 幂函数 | 有截距 | | 0.31 | 截距: p<0.001; X: p = 0.000 | | (7) |
| 无截距 | | 0.73 | p<0.001 | | (8) |
), ArticleFig(id=1167877711021220697, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 9, caption=
In this paper,the prediction model and the MAD and RD of some existing MET models are established
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| 模型 | MAD/min | RD/% |
| — | 式(5) | | 0.66 (0.38) | 29.65(11.24) |
| — | 式(8) | | 0.68(0.43) | 32.27(13.54) |
| 单手拉车作业模型 | 易灿南等[7] (指数模型) | | 16.80(2.10) | 72.51(5.95) |
| 双手拉车作业模型 | 唐范等[8] (幂函数模型) | | 9.40 (5.73) | 57.48(5.35) |
| 疲劳模型 | MA Liang等[15] | | 17.35(6.18) | 92.12(5.88) |
| 一般模型 | MANENICA[11] | | 5.16(1.05) | 33.18(11.40) |
| 手部/抓握模型 | MANENICA[11] | | 5.10(1.10) | 37.64(9.76) |
| AVIN等[16] | | 10.39(1.89) | 63.48(11.68) |
), ArticleFig(id=1167877711100912474, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表9, caption=
文中预测模型与部分现有MET模型的MAD及RD
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | MAD/min | RD/% |
| — | 式(5) | | 0.66 (0.38) | 29.65(11.24) |
| — | 式(8) | | 0.68(0.43) | 32.27(13.54) |
| 单手拉车作业模型 | 易灿南等[7] (指数模型) | | 16.80(2.10) | 72.51(5.95) |
| 双手拉车作业模型 | 唐范等[8] (幂函数模型) | | 9.40 (5.73) | 57.48(5.35) |
| 疲劳模型 | MA Liang等[15] | | 17.35(6.18) | 92.12(5.88) |
| 一般模型 | MANENICA[11] | | 5.16(1.05) | 33.18(11.40) |
| 手部/抓握模型 | MANENICA[11] | | 5.10(1.10) | 37.64(9.76) |
| AVIN等[16] | | 10.39(1.89) | 63.48(11.68) |
), ArticleFig(id=1167877711159632731, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=EN, label=Table 10, caption=
Comparison of actual and predicted MET values at different operating surfaces and heights using formula(5)and (8)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 公式 | 类型 | MAD/min | RD/% |
| 式(5) | S1 | 1.17(0.53) | 37.32(7.23) |
| S2 | 0.45(0.24) | 25.95(9.50) |
| S3 | 0.35(0.21) | 25.69(13.23) |
| H1 | 0.75(0.47) | 30.55(6.34) |
| H2 | 0.58(0.26) | 29.78(7.29) |
| H3 | 0.63(0.38) | 28.46(9.21) |
| 式(8) | S1 | 0.76(0.33) | 21.85(8.13) |
| S2 | 0.46(0.21) | 32.18(19.40) |
| S3 | 0.43(0.28) | 32.32(11.21) |
| H1 | 0.73(0.39) | 36.84(6.85) |
| H2 | 0.53(0.18) | 27.75(11.44) |
| H3 | 0.40(0.27) | 21.79(9.35) |
), ArticleFig(id=1167877711218352988, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738722855404320, language=CN, label=表10, caption=
式(5)和式(8)在不同操作面和不同操作高度的MET实际值与预测值比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 公式 | 类型 | MAD/min | RD/% |
| 式(5) | S1 | 1.17(0.53) | 37.32(7.23) |
| S2 | 0.45(0.24) | 25.95(9.50) |
| S3 | 0.35(0.21) | 25.69(13.23) |
| H1 | 0.75(0.47) | 30.55(6.34) |
| H2 | 0.58(0.26) | 29.78(7.29) |
| H3 | 0.63(0.38) | 28.46(9.21) |
| 式(8) | S1 | 0.76(0.33) | 21.85(8.13) |
| S2 | 0.46(0.21) | 32.18(19.40) |
| S3 | 0.43(0.28) | 32.32(11.21) |
| H1 | 0.73(0.39) | 36.84(6.85) |
| H2 | 0.53(0.18) | 27.75(11.44) |
| H3 | 0.40(0.27) | 21.79(9.35) |
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