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논문 기본 정보

자료유형
학술대회자료
저자정보
한승조 (국방과학연구소) 김선욱 (단국대학교)
저널정보
대한산업공학회 대한산업공학회 춘계공동학술대회 논문집 2016년 대한산업공학회 춘계공동학술대회 논문집 [4개 학회 공동개최]
발행연도
2016.4
수록면
2,765 - 2,772 (8page)

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The arm muscle fatigue and degree of discomfort for seven combinations of positions in a touchpad and two click-buttons (one hand: center, mid-right, and right in position of touchpad & buttons; two hands: all centered, centered touchpad & left buttons, right touchpad & centered buttons, and right touchpad & left buttons) were investigated while using a laptop PC. Sixteen subjects participated in tasks involving the operation of a touchpad and two click buttons. The muscle fatigue was evaluated through EMG median frequency while subjects were performing each task for 5 min, and the overall degree of discomfort was measured by fuzzy logic questions after the completion of each condition. When using only one hand, the right position resulted in the lowest muscle fatigue and degree of discomfort in comparison with the other conditions. When using two hands, the right placement of the touchpad and buttons showed the lowest results in both the muscle fatigue and degree of discomfort. On the other hand, the traditional centered locations in the case of both one hand and two hands were the most disadvantageous for the shoulder and wrist. The results indicate that the traditional location of the touchpad and click-buttons in the center induced abduction in both the shoulder and wrist, which was expressed as an increase in muscle fatigue and overall discomfort when using them. Therefore, developing a configuration adjusting the positions of the touchpad and buttons based on the user’s preference is required.

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Abstract
1. Introduction
2. Methods
3. Results
4. Discussion
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-530-002688768