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Sustainability 2017, 9(8), 1488; doi:10.3390/su9081488

Proximity Warning and Excavator Control System for Prevention of Collision Accidents

Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Korea
Research and Development Center, Youngshine, Gyeonggi-do 13487, Korea
Author to whom correspondence should be addressed.
Received: 26 July 2017 / Revised: 18 August 2017 / Accepted: 20 August 2017 / Published: 22 August 2017
(This article belongs to the Special Issue Management Strategies and Innovations for Sustainable Construction)


Construction is a hazardous industry in which accidents occur frequently. Occupational accidents at construction sites are a serious public health issue in Korea. Construction site conditions often create dangerous situations by requiring workers and heavy equipment to work in close proximity to each other. In 2015, approximately 11% (46) of the 437 occupational fatalities in the construction industry in Korea resulted from workers colliding with objects or equipment. In this paper, we present a proximity warning system developed to address this issue and enhance safety at construction sites. The proposed technology functions in real time to alert workers and equipment operators of hazardous proximity situations. Also, when the radio frequency identification (RFID) sensor detects an approaching worker, the main board instantly shuts down the excavator for the prevention of accident. This system contains an RFID tag, RFID reader, alarm device, camera, a display device (the Around View Monitor), and excavator control technology. A field test demonstrated successful performance of the proposed system. It is widely applicable in small construction fields alongside excavators and other equipment because this system does not require additional communication infrastructure, such as servers. View Full-Text
Keywords: construction; occupational accidents; proximity warning system; excavator; RFID; Around View Monitor construction; occupational accidents; proximity warning system; excavator; RFID; Around View Monitor

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Jo, B.-W.; Lee, Y.-S.; Kim, J.-H.; Kim, D.-K.; Choi, P.-H. Proximity Warning and Excavator Control System for Prevention of Collision Accidents. Sustainability 2017, 9, 1488.

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