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首页> 外文期刊>International Journal of Industrial Ergonomics >Temporary threshold shifts (TTS) of fingertip vibrotactile perception thresholds from hand-held tool vibration exposures at working surface
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Temporary threshold shifts (TTS) of fingertip vibrotactile perception thresholds from hand-held tool vibration exposures at working surface

机译：指尖振动反应阈值的临时阈值位移（TTS），其来自工作表面上的手持式工具振动暴露

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摘要

Objective: The effect of hand-held vibration exposure in the working surface on the temporary threshold shift (TTS) in vibrotactile perception threshold at the fingers has been studied. Method: Subjects were exposed to the hand-held tool with the exposure time of 5 min at different positions in the working surface. A controlled condition with no vibration was included. In order to obtain the TTS in the fingertip vibrotactile perception threshold, the vibrotactile perception thresholds were measured before and after the subjects were exposed to hand-transmitted vibration from the hand-held tool. Results: The results of TTS were different at different positions in the working surface, even though the hand-held tool vibration magnitudes were the same frequency-weighted rms acceleration according to the ISO 5349-1 standard. Conclusions: Even though the tool vibration magnitudes were the same, the TTS values were different in the working surface. The results suggest that the ISO 5349-1 standard needs to be revised to include other factors that many influence the risk of obtaining a vibration-induced injury, such as posture.
机译：目的：研究了工作表面手持振动暴露对手指触觉感知阈值中临时阈值偏移（TTS）的影响。方法：将受试者在工作表面的不同位置以5分钟的暴露时间暴露于手持工具。包括无振动的受控条件。为了获得指尖触觉感知阈值中的TTS，在受试者暴露于来自手持工具的手传递振动之前和之后测量触觉感知阈值。结果：即使根据ISO 5349-1标准，手持式工具的振动幅度是相同的频率加权均方根加速度，TTS的结果在工作表面的不同位置上也不同。结论：即使工具振动幅度相同，工作表面的TTS值也不同。结果表明，需要修订ISO 5349-1标准，以包括许多其他因素，这些因素会影响获得振动引起的伤害的风险，例如姿势。

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