Assessing correlation of human response to vibration through vibrotactile threshold shift with vibration exposure determined on the subject

Peer reviewed publication - HAVS


The purpose of this paper is to examine the effectiveness of the proposed consideration for hand transmitted vibration measurement on the human.

To obtain the temporary threshold shift (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. The vibration magnitude has been measured by using conventional vibration measurement on the tool and by using the proposed consideration vibration on the human simultaneously.

The proposed hand-transmitted vibration measurement on the subject was proportional with increasing TTS. In contrast the data from conventional vibration measurement on the tool shows a relatively constant vibration level while TTS increases within a subject group.

The proposed measurement method of hand-transmitted vibration on the subject captures at least some of the effects off actors relating to the human interaction with the tool identified within Annex D of the ISO 5349-1 standard. The effectiveness of the proposed hand-transmitted vibration measurement consideration on the human for improved understanding of tool vibration exposure has been shown.

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