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A methodology for integrated performance analyses of vibration reducing gloves
International Journal of Industrial Ergonomics ( IF 2.5 ) Pub Date : 2021-06-30 , DOI: 10.1016/j.ergon.2021.103174
Yumeng Yao , Subhash Rakheja , Pierre Marcotte

This study proposes a methodology for evaluating the integrated performance of vibration reducing (VR) gloves considering four measures. These include manual dexterity, distributed palm and fingers vibration transmission and grip strength preservation, which generally pose conflicting design requirements. The weights for the conflicting performance measures are identified for the given work conditions, classified according to the frequency ranges of predominant tool handle vibration (low and high), as defined in ISO-10819 together with the assembly/disassembly tasks. An index of weighted measures is formulated for identifying the most desirable VR glove for the given work condition. The results showed the greatest weighting for the fingers vibration response for high-frequency vibration spectra. Higher weightings for palm vibration and muscles' activity, were obtained for low-frequency vibration spectra, while the weighting for manual dexterity increased when coupled with manual tasks. An integrated performance index is identified and applied to rank nine different VR gloves and a conventional glove with known individual performance measures for identifying the most desirable glove. The vibration reducing gloves included: five gloves with gel vibration isolation materials, denoted as gel1, …, gel5; two gloves with air bladder vibration isolation material, denoted as air1 and air2; one hybrid glove comprising air pocket vibration isolation material in the palm region and gel in the fingers regions, denoted as hybrid; and a rubber glove. The gel2, air2 and hybrid gloves, made of air bladder or viscoelastic gels, showed superior integrated performance for high- and low-frequency vibration spectra among the ten alternatives. The fabric and rubber gloves revealed best integrated performance for the multiple tasks in conjunction with the low-frequency vibration spectrum.



中文翻译:

减振手套综合性能分析方法

本研究提出了一种评估减振 (VR) 手套综合性能的方法,该方法考虑了四种措施。这些包括手动灵活性、分布式手掌和手指振动传递和握力保持,这些通常会构成相互冲突的设计要求。根据 ISO-10819 中定义的主要工具手柄振动频率范围(低和高)以及装配/拆卸任务,确定了给定工作条件下冲突性能度量的权重。制定了加权指标指数,用于确定给定工作条件下最理想的 VR 手套。结果表明,高频振动谱中手指振动响应的权重最大。手掌振动和肌肉的更高权重 活动,是针对低频振动谱获得的,而当与手动任务相结合时,手动灵巧性的权重会增加。确定并应用综合性能指数对九种不同的 VR 手套和传统手套进行排名,这些手套具有已知的个人性能指标,用于识别最理想的手套。减振手套包括:五只带有凝胶隔振材料的手套,记为凝胶1,……,凝胶5;两只带有气囊隔振材料的手套,分别表示为air1air2;一种混合手套,包括手掌区域的气穴隔振材料和手指区域的凝胶,表示为混合;和橡胶手套。的gel2,AIR2混合手套,由空气袋或粘弹性的凝胶,显示出对高和十备选方案中低频振动谱优良的综合性能。所述织物橡胶手套揭示了与低频振动光谱一起使用时的多个任务最好的综合性能。

更新日期:2021-06-30
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