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Open AccessArticle

Safety Helmet Wearing Management System for Construction Workers Using Three-Axis Accelerometer Sensor

1
School of Architectural Engineering, Hongik University, Sejong 30016, Korea
2
Department of Medical IT Engineering, Graduate School, Soonchunhyang University, Asan 31538, Korea
3
Department of Medical IT Engineering, Soonchunhyang University, Asan 31538, Korea
4
School of Architectural Engineering, Hongik University, Sejong 30016, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(12), 2400; https://doi.org/10.3390/app8122400
Received: 6 November 2018 / Revised: 22 November 2018 / Accepted: 24 November 2018 / Published: 26 November 2018
(This article belongs to the Section Mechanical Engineering)
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Abstract

In the Korean construction industry, legal and institutional safety management improvements are continually being pursued. However, there was a 4.5% increase in the number of workers’ deaths at construction sites in 2017 compared to the previous year. Failure to wear safety helmets seems to be one of the major causes of the increase in accidents, and so it is necessary to develop technology to monitor whether or not safety helmets are being used. However, the approaches employed in existing technical studies on this issue have mainly involved the use of chinstrap sensors and have been limited to the problem of whether or not safety helmets are being worn. Meanwhile, improper wearing, such as when the chinstrap and harness fixing of the safety helmet are not properly tightened, has not been monitored. To remedy this shortcoming, a sensing safety helmet with a three-axis accelerometer sensor attached was developed in this study. Experiments were performed in which the sensing data were classified whether the safety helmet was being worn properly, not worn, or worn improperly during construction workers’ activities. The results verified that it is possible to differentiate among wearing status of the proposed safety helmet with a high accuracy of 97.0%. View Full-Text
Keywords: construction; worker safety; safety helmet; three-axis accelerometer sensor; data mining construction; worker safety; safety helmet; three-axis accelerometer sensor; data mining
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Kim, S.H.; Wang, C.; Min, S.D.; Lee, S.H. Safety Helmet Wearing Management System for Construction Workers Using Three-Axis Accelerometer Sensor. Appl. Sci. 2018, 8, 2400.

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