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http://dx.doi.org/10.7734/COSEIK.2020.33.2.113

Bridge Monitoring System based on LoRa Sensor Network  

Park, Jin-Oh (Institute of Technology, Dong-Il Inc)
Park, Sang-Heon (Institute of Technology, Dong-Il Inc)
Kim, Kyung-Soo (Institute of Technology, Dong-Il Inc)
Park, Won-Joo (Long Span Bridge Management Center, KISTEC)
Kim, Jong-Hoon (Long Span Bridge Management Center, KISTEC)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.33, no.2, 2020 , pp. 113-119 More about this Journal
Abstract
The IoT-based sensor network is one of the methods that can be efficiently applied to maintain the facilities, such as bridges, at a low cost. In this study, based on LoRa LPWAN, one of the IoT communications, sensor board for cable tension monitoring, data acquisition board for constructing sensor network along with existing measurement sensors, are developed to create bridge structural health monitoring system. In addition, we designed and manufactured a smart sensor node for LoRa communication and established a sensor network for monitoring. Further, we constructed a test bed at the Yeonggwang Bridge to verify the performance of the system. The test bed verification results suggested that the LoRa LPWAN-based sensor network can be applied as one of the technologies for monitoring the bridge structure soundness; this is excellent in terms of data rate, accuracy, and economy.
Keywords
internet of things; LoRa LPWAN; wireless sensor network; structural health monitoring;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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