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추성호(Seongho Choo),이충환(Choong-Hwan Yi) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.10
This paper is for a Real-time Active Control System to operate a boiler. By sensing of flame we wanted to get status of a furnace as many as possible, like load, efficiency, and/or amount of pollutant. These data can be used to make optimal running point by controlling the ratio of air and fuel. So the last object is to make a closed actual control loop from optical head to valve controllers. The first job was to design and to develop a optical data acquisition system. including optical sensor module. And we gathered flame data in variable situations for taking the trend of flame against burning environment. Currently we are developing a general system model, designing some control strategy and testing this active control system.
화염 라디칼 계측을 이용한 보일러의 실시간 능동 제어 시스템
추성호(Seongho Choo),이충환(Choong-Hwan Yi),신명철(Myung-Chul Shin),김세원(Se-Won Kim) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
We have constructed a real-time active control system using a optical measurement for a middle or large size boiler system, perfomed experiments on a 40,000 ㎉/h furnace. This system is applying some radical information from the combution light as focusing wavelengths on CH, C2, and OH, so can intend more efficent with low pollution. In this paper, we show the system organization included a optic head, PMT sensors, a data acquisition system, a main control unit, a real-time control and data analysis program, and some valve actuators for the closed active control loop. And show chemiluminescence data on variable ratio of fuel and air. Being developed boiler system is performing on using gas, oil with or without reburn fuel. On this composite control system, we made efforts to find a more optimal control algorithm for high efficency with low pollutant emission like NOx.