Coefficient of friction testing parameters influence the prediction of human slips.

Coefficient of friction testing parameters influence the prediction of human slips.
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DOI:
10.1016/j.apergo.2018.02.017
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发表时间:
2018-07
期刊:
影响因子:
3.2
通讯作者:
Beschorner KE
Beschorner KE
中科院分区:
工程技术2区
文献类型:
--
作者:
Iraqi A;Cham R;Redfern MS;Beschorner KE

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测量鞋-地板界面的有效摩擦系数(ACOF)受法向力、鞋-地板角度和滑动速度的选择的影响。本研究的目的是量化的质量滑移预测模型的基础上,在不同的测试条件下测量的ACOF值。使用测试整个鞋类样品的动态ACOF测量装置(便携式滑动模拟器)。ACOF测量了九种不同的鞋类污染物组合,具有两个水平的法向力,滑动速度和鞋地板角。这些鞋类污染物组合也用于人类步态研究,以量化所需的摩擦系数(RCOF)和滑动结果。结果表明,试验条件对ACOF有显著影响。在步态研究期间,最佳预测滑动风险的条件是250 N法向力、17°鞋底角、0.5 m/s滑动速度。这些发现可以为鞋类防滑测量方法提供信息,以改进设计和防止滑倒。
Measuring the available coefficient of friction (ACOF) of a shoe-floor interface is influenced by the choice of normal force, shoe-floor angle and sliding speed. The purpose of this study was to quantify the quality of slip prediction models based on ACOF values measured across different testing conditions. A dynamic ACOF measurement device that tests entire footwear specimens (Portable Slip Simulator) was used. The ACOF was measured for nine different footwear-contaminant combinations with two levels of normal force, sliding speed and shoe-floor angle. These footwear-contaminant combinations were also used in human gait studies to quantify the required coefficient of friction (RCOF) and slip outcomes. The results showed that test conditions significantly influenced ACOF. The condition that best predicted slip risk during the gait studies was 250 N normal force, 17° shoe-floor angle, 0.5 m/s sliding speed. These findings can inform footwear slip-resistance measurement methods to improve design and prevent slips.
DOI: 10.1016/s0966-6362(01)00150-3
发表时间: 2002-04-01
期刊: GAIT & POSTURE
影响因子: 2.4
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发表时间: 2016-07-01
期刊: GAIT & POSTURE
影响因子: 2.4
作者:
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