静态单手拉车作业最大耐受时间建模

doi:10.16265/j.cnki.issn1003-3033.2017.02.012

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (2): 64-69.doi: 10.16265/j.cnki.issn1003-3033.2017.02.012

静态单手拉车作业最大耐受时间建模

易灿南^1,2 副教授, 李开伟^1,3 教授, 施式亮² 教授, 唐范¹, 胡鸿¹ 副教授, 陈成锋¹

1 湖南工学院安全与环境工程学院,湖南衡阳 421102
2 湖南科技大学资源环境与安全工程学院,湖南湘潭 411201
3 台湾中华大学工业管理系,台湾新竹 30012

收稿日期:2016-10-19 修回日期:2016-12-29 出版日期:2017-02-28
作者简介:易灿南 (1981—),女,湖南宁乡人,博士,副教授,主要从事肌肉疲劳和比较安全学方面的研究。E-mail:yicannan310@126.com。
基金资助:
工效学会—津发科技优秀青年学者联合研究基金资助(CES-KF-2016-03);湖南省自然科学基金资助(2017JJ3054);安全工程教育部第一类特色专业建设点项目(TS12328)。

Modeling for prediction of maximum endurance time in a static pallet truck pulling task with single arm

YI Cannan^1,2, LI Kaiway^1,3, SHI Shiliang², TANG Fan¹, HU Hong¹, CHEN Chengfeng¹

1 School of Safety & Environmental Engineering, Hunan Institute of Technology, Hengyang Hunan 421102, China
2 School of Resource Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan Hunan 411201, China
3 Department of Industrial Management, Chung Hua University, Hsinchu Taiwan 30012, China

Received:2016-10-19 Revised:2016-12-29 Published:2017-02-28

摘要/Abstract

摘要： 为分析单手拉车作业肌肉疲劳情况,设计并完成模拟静态手拉叉车试验:通过测量拉车前后单臂拉力的变化及最大耐受时间(MET),记录基于Borg CR-10主观疲劳评分表 (RPE)的身体疲劳度,探讨负荷和身体质量指数(BMI)对MET、剩余拉力、力量衰减程度和RPE的影响;并基于试验数据构建单手拉车作业肌肉疲劳MET预测方程。试验结果表明,仅负荷显著影响MET;所构建的以指数函数和幂函数为基础的MET方程与现有方程具有一致性;用所建方程得到的预测值与实测值偏差优于用现有MET方程得到的结果。

关键词: 拉车作业, 最大耐受时间(MET), 最大随意收缩(MVC), 肌肉疲劳, 主观疲劳评分表 (RPE)

Abstract: A simulated static pallet truck pulling task was designed and performed to investigate the development of muscular fatigue in a truck pulling task with single arm. The MVC of single arm before and after pulling, and MET, were measured, and the RPE data on muscular fatigue after pulling were collected using the Borg CR-10 to explore the influences of both load and body mass index(BMI) on MET, pulling strength and its variation before and after pulling, and RPE. Also, MET models were built based on the data for predicting the development of muscular fatigue in single arm pulling task. The results show that only load affects the MET significantly, that MET models of exponential function and power function are consistent with the existing MET prediction models ,and that prediction by the models built by the authors is more accurate than that by each of the existing models .

Key words: truck pulling task, maximum endurance time (MET), maximum voluntary contractions (MVC), muscular fatigue, ratings of perceived exertion (RPE)

中图分类号:

X912.9

易灿南, 李开伟, 施式亮, 唐范, 胡鸿, 陈成锋. 静态单手拉车作业最大耐受时间建模[J]. 中国安全科学学报, 2017, 27(2): 64-69.

YI Cannan , LI Kaiway , SHI Shiliang , TANG Fan , HU Hong , CHEN Chengfeng. Modeling for prediction of maximum endurance time in a static pallet truck pulling task with single arm[J]. China Safety Science Journal, 2017, 27(2): 64-69.

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静态单手拉车作业最大耐受时间建模

Modeling for prediction of maximum endurance time in a static pallet truck pulling task with single arm

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