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다중 센서들을 이용한 다양한 화재 상황의 위험도 추정 시스템 개발
이광재 ( Kwangjae Lee ),이연성 ( Youn-sung Lee ) 한국센서학회 2016 센서학회지 Vol.25 No.6
In this paper, a fire detection system based on quantitative risk estimation is presented. Multiple sensors are used to build a comprehensive indicator that represents the risk of fire quantitatively. The proposed fire risk estimation method consists of two stages which determines the occurrence of fire and estimates the toxicity of the surveillance area. In the first stage, fire is reliably detected under diverse fire scenarios. The risk of fire is estimated in the second stage. Applying Purser`s Frac-tional Effective Dose (FED) model which quantitates harmfulness of toxic gases, the risk of the surveillance area and evac-uation time are calculated. A fire experiment conducted using four different types of combustion materials for the verification of the system resulted in a maximum error rate of 12.5%. By using FED calculation and risk estimation methods, the proposed system can detect various signs of fire faster than conventional systems.