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무선통신기반을 이용한 피난유도표지 표준 Logic 회로에 관한 연구
김인태(In-Tea Kim),이유림(Yu-Lim Lee),이다혜(Da-Hye Lee),최장원(Jang-Won Choi),박윤철(Yoon-Cheol Park),전공준(Gong-Jun Jeon) 한국철도학회 2017 한국철도학회 학술발표대회논문집 Vol.2017 No.05
국내 터널 내 피난유도등은 상시 점등 상태로 좌/우방향을 동시에 표시하고 있어 피난방향에 혼돈을 줄 수 있다. 따라서 본 연구에서는 Modbus TCP 프로토콜을 이용하여 메시지를 전송하는 무선통신 방법으로 안전한 피난방향을 표시한다. 기계설비 자동제어 CRT 시스템에 Server와 Client를 구축하고 응답받은 정보를 유도등에 반영하여 표준 Logic회로를 구성한다. 또한 국내에 있는 장대터널의 현황 파악을 통해 모든 터널에서도 적용 가능한 표준 Logic 회로를 제시하고 다양한 시나리오를 구성하여 추후 연구한 표준 Logic 회로를 검증하고자 한다. The exit lighting in the domestic tunnel displays the left and right direction at all times, which can confuse the direction of evacuation. Therefore, in this study, we investigate a wireless communication method to transmit messages using Modbus TCP protocol to display safe direction of evacuation. The server and the client are built in the automatic control CRT system and the response information is reflected in the exit lighting to construct the standard logic circuit. In addition, we propose a standard logic circuit that can be applied to all tunnels by analyzing the domestic tunnels, and verify the standard logic circuit by various scenarios.
장대철도터널 배연설비와 연동되는 피난유도시스템 개발연구
김인태(In-Tea Kim),이유림(You-Lim Lee),이다혜(Da-Hye Lee),최장원(Jang-Won Choi),박윤철(Yoon-Cheol Park),정남철(Nam-Cheol Jung) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.10
우리나라는 산악지역 특성으로 인해 터널이 장대화 되는 경향이 있어 터널 내에서의 위험성이 증가하고 있는 추세이다. 본 연구에서는 터널 내 열차화재로부터 승객이 안전하게 대피할 수 있도록 배연설비와 연동되는 피난유도등 제어시스템을 설계하여 보다 명확한 피난방향을 제시하고자 한다. 터널 내 피난유도등은 상시 점등 상태로 좌우방향을 동시에 표시하고 있어 피난 방향에 혼돈을 줄 수 있다. 따라서 피난유도등을 반으로 나누어 배연방향의 피난유도등을 소등하고 피난방향의 피난유도등만 점등되도록 배연설비와 연동하여 제어시스템을 구성한다. 제어시스템 구성은 터널 배연설비 원격제어반으로부터 TCP/IP 통신방식으로 배연설비 작동정보를 취득하고, 그에 따른 유도등 제어 Logic 이 결정되면 LoRa 무선통신방식으로 개별 유도등에 대한 소등명령이 전송되어 안전한 피난방향을 제시할 수 있도록 한다. Currently, it is a trend that the danger in the tunnel is increasing because the tunnel tends to be longer due to the characteristics of mountainous area in Korea. The purpose of this study is to propose a more clear direction to evacuate the passengers safely by designing a control system of an evacuation guide light that works with Smoke Exhaustion Equipment so that the passengers can safely evacuate from a train when fire breaks out in the tunnel. The evacuation guide light shows the left and right direction at the same time due to being on all the time, thus, it may make passengers confused in the evacuation direction. Therefore, after the evacuation guide light is divided into two directions, the control system is configured to be worked with Smoke Exhaustion Equipment so that the only evacuation guide light of the evacuation direction is turned on while that of Smoke Exhaustion Equipment direction is turned off. The control system uses TCP/IP communication method from the remote control panel of Smoke Exhaustion Equipment. If the control logic of the guide light is determined after the guide light acquires operating information of the Smoke Exhaustion Equipment, the decision guides a safe evacuation direction because the order of lights-out with LoRa wireless communication method is transmitted to each guide light.
블라인드 PV 제어에 따른 실내 빛환경 및 발전량 측정
김소현(So-Hyun Kim),손아롬(A-Rom Son),김인태(In-Tea Kim),최안섭(An-Seop Choi) 한국조명·전기설비학회 2013 조명·전기설비학회논문지 Vol.27 No.2
Today, energy problem has become an important issue, and a development of renewable energy is urgent. In architectural fields, a research of the energy efficient lighting system using renewable energy is in progress. The energy efficient lighting system could be realized by integrating a daylight responsive LED lighting control system and a blind PV system. This system is able to save and generate electric energy. Efficiency of this system depends on control methods of blind PV. As a preliminary research, this research analyzed power generation and inflow of available daylight according to control method of blind PV.
블라인드연동 LED조명의 조광제어에 따른 재실자의 밝기 변화 인식에 관한 연구
염현주(Hyun-Ju Youm),김인태(In-Tea Kim),최안섭(An-Seop Choi) 한국조명·전기설비학회 2013 조명·전기설비학회논문지 Vol.27 No.12
This study has attempted to investigate how subjects perceive changes of brightness and their visual comfort according to daylight responsive LED(Light Emitting Diode) dimming systems in the office with venetian blind. Two studies was conducted. First study is that how subjects perceive changes of brightness and their visual comfort depending on angle control method of the venetian blind while the workplane illuminance level is being maintained through daylight responsive LED dimming system. Second study is that how subjects perceive changes of brightness and their visual comfort depending on the amount of daylight penetrated into the building while the illuminance level is being maintained through daylight responsive LED dimming system. The results of this study could be proposed as basic data in the control of the venetian blind and LED lighting in consideration of their perception on changes of brightness and visual comfort.