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퍼지 논리를 이용한 드럼형 보일러의 자동정지에 관한 연구
이한오(Hanoh Lee),이재혁(Jae-Hyuk Lee),황동환(Dong-Hwan Hwang),변증남(Zeungnam Bien) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
There has been continous effort to achieve total automation of the power plants. But due to complexity, nonlinearities and time-varying properties of the system, no success has been reported if conventional and/or modern control theories are applied. In spite of this, the start-up and shutdown operations are successfully performed by skilled human operators who are able to utilize a great wealth of knowledge and past experiences. In this paper, in order to automate the shutdown operation of power plants, it is proposed that the operation be performed by a more efficient method than the current used, through dividing the total process into several subprocesses, introducing checkpoints, and using fuzzy logic. For this, fuzzy logic controllers and fuzzy decision-makers are designed and the validity is shown by simulation via a set of piecewise continuous shutdown models.