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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Objective: The aim of this study is to suggest the standard of the direction sign on the pendant switch of overhead cranes which can reduce human errors in control.
Background: A great number of crane accidents occur in industries. One of the major causes of the accidents is the mistake in the control of cranes by confusing the orientation of crane movements. Nevertheless, three different direction sign styles, "East, West, South, North (EWSN)", "Forward, Backward, Left, Right (FBLR)", and arrows for four directions are used without standardization.
Method: An overhead crane simulator was installed for a laboratory experiment. It could move along six directions by the control of a pendant switch. 90 participants were evenly assigned to the three different conditions of direction sign styles. The participants were asked to control the pendant switch according to the continuously appearing 16 direction signs on a monitor ahead. The participants were allowed to refer an orientation sign board on the ceiling representing correct movement directions of the overhead crane simulator.
Results: The direction sign style, "EWSN", showed statistically significant better performance in task completion time and number of errors than the other sign styles. The direction sign style, "EWSN", adopting the cardinal direction system, made the participants clear in direction controls after customizing to the crane movements. However, the direction sign styles, "FBLR" and the arrows adopting the relative direction system made conflicts in direction controls due to the egocentric view of human.
Conclusion: The direction sign style, "EWSN", is the most appropriate for the standardization of the direction sign on the pendant switch of overhead cranes.
Application: The results of this study can be applied to the standardization of direction sign in the legal notification on the safety certifications of crane manufacturing.
Background: A great number of crane accidents occur in industries. One of the major causes of the accidents is the mistake in the control of cranes by confusing the orientation of crane movements. Nevertheless, three different direction sign styles, "East, West, South, North (EWSN)", "Forward, Backward, Left, Right (FBLR)", and arrows for four directions are used without standardization.
Method: An overhead crane simulator was installed for a laboratory experiment. It could move along six directions by the control of a pendant switch. 90 participants were evenly assigned to the three different conditions of direction sign styles. The participants were asked to control the pendant switch according to the continuously appearing 16 direction signs on a monitor ahead. The participants were allowed to refer an orientation sign board on the ceiling representing correct movement directions of the overhead crane simulator.
Results: The direction sign style, "EWSN", showed statistically significant better performance in task completion time and number of errors than the other sign styles. The direction sign style, "EWSN", adopting the cardinal direction system, made the participants clear in direction controls after customizing to the crane movements. However, the direction sign styles, "FBLR" and the arrows adopting the relative direction system made conflicts in direction controls due to the egocentric view of human.
Conclusion: The direction sign style, "EWSN", is the most appropriate for the standardization of the direction sign on the pendant switch of overhead cranes.
Application: The results of this study can be applied to the standardization of direction sign in the legal notification on the safety certifications of crane manufacturing.
목차
1. Introduction
2. Method
3. Results and Discussions
4. Conclusion
References
참고문헌 (9)
참고문헌 신청
1. [단행본] - KOSHA / 2009 / Cases of fatal crane accidents / Safety
2. [보고서] - KSA / 2012 / Crane-control, layout and characteristics
3. [기타자료] - Ministry of Employment and Labor / 2013 / Legal notification on safety inspection
4. [기타자료] - Ministry of Employment and Labor / 2012 / Legal notification on the safety certifications of dangerous machines
5. [보고서] - Ministry of Employment and Labor / 2003 / Yearly analysis report of industrial accidents
2. [보고서] - KSA / 2012 / Crane-control, layout and characteristics
3. [기타자료] - Ministry of Employment and Labor / 2013 / Legal notification on safety inspection
4. [기타자료] - Ministry of Employment and Labor / 2012 / Legal notification on the safety certifications of dangerous machines
5. [보고서] - Ministry of Employment and Labor / 2003 / Yearly analysis report of industrial accidents
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UCI(KEPA) : I410-ECN-0101-2016-530-001370663