한국안전학회지 (Journal of the Korean Society of Safety)

  • 제37권5호
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  • Pages.14-21
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  • 2022
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  • 1738-3803(pISSN)
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  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
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디지털 방식 무선 화재알림설비의 신호 패턴 인식기법 적용

Application of Signal Pattern Recognition Technique of Digital Wireless Fire Alarm System

  • 박승환 (한국원자력연구원 연구실안전팀) ;
  • 김두현 (충북대학교 안전공학과) ;
  • 김성철 (충북대학교 안전공학과)
  • Park, Seunghwan (Laboratory Safety Management Team, Korea Atomic Energy Research Institute) ;
  • Kim, Doo-Hyun (Department of Safety Engineering, Chungbuk National University) ;
  • Kim, Sung-Chul (Department of Safety Engineering, Chungbuk National University)
  • 투고 : 2022.07.04
  • 심사 : 2022.08.22
  • 발행 : 2022.10.31
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초록

The purpose of this study was to apply the signal pattern recognition technique to the digital wireless fire-alarm system and to reduce unwanted fire alarms. In this study, the fire alarms of the K Institute, which operates the largest digital wireless fire-alarm system in Korea, were classified into normal operations and unwanted fire alarms, and these were analyzed and compared with actual fire signals. In addition, by designing a non-fire signal filter and applying it to the K Institute, we confirmed that the monthly unwanted fire alarm rate of all 5,713 detectors decreased sharply. In particular, the unwanted fire alarm rate for flame decreased from 1.09% to 0.11% and the unwanted fire alarm rate for smoke decreased from 0.65% to 0.035%.

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