Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Real-time Remote Monitoring System of Chemical Accident Response based on Multi-hop Communication

멀티 홉 통신을 기반한 화학 사고 대응 실시간 원격 모니터링 시스템

  • Lee, Seung-Chul (Department of Intelligent Robot Engineering, Pukyong National University) ;
  • Kim, Nam-Ho (School of Electrical Engineering, Pukyong National University)
  • Received : 2022.09.28
  • Accepted : 2022.10.13
  • Published : 2022.11.30
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Abstract

Recently, the safety of chemical substances has gained attention due to incidents occurring in petrochemical industrial complexes, such as gas leaks and fires. In particular, industrial complexes in Ulsan and Yeosu (South Korea) are valuable as they significantly contribute to the petrochemical industry, but accidents may occur due to chemical leakage. Therefore, in this study, sensor nodes are configured at an interval of 20 [m] based on outdoor facilities standards to respond to chemical accidents, and exposure consideration of 8 h (TWA) and 15 min (STEL) are proposed in TLVs. The proposed system pre-processes data collected in multi-hop communication at a cycle of 0.6-0.75 [s] using Python and stores it in the MySQL database through SQL and a real-time remote monitoring system that updates the stored data once every 5 s is implemented by linking MySQL and Grafana.

최근 석유화학 산업단지에서 발생하는 가스누출, 화재 등의 사고로 화학물질에 관한 안전이 더욱 중요시되고 있다. 특히 우리나라의 울산, 여수지역의 산단들은 석유화학 산업에 크게 이바지하고 있어 유익함이 있는 반면에, 화학 누출 사고 등으로 인하여 재해가 발생할 수 있다. 따라서 본 논문에서는 화학 사고 대응을 위해 실외 설비 기준 20[m] 간격으로 센서 노드를 구성하고, TLVs의 8시간 기준(TWA)과 15분 기준(STEL)의 노출 허용농도를 제시하였다. 제안된 시스템은 멀티 홉 통신에서 0.6~0.75[s] 주기로 수집된 데이터를 Python으로 전처리하여 SQL 문을 통해 MySQL 데이터베이스에 저장하였으며, MySQL과 Grafana를 연동하여 저장된 데이터를 5초에 1회씩 갱신하는 실시간 원격 모니터링 시스템을 구현하였다.

Keywords

References

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