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α-레벨집합 분해에 의한 서보시스템용 퍼지추론과 하드웨어
홍순일(S.I.Hong),안영주(Y.J.An),김정환(J.H.Kim),이요섭(Y.S.Lee) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
In this paper, we propose a calculation method for fuzzy control based on quantized α-cut decompoSItion<br/> of fuzzy sets, This method is easy to be implemented in analog hardware. The effect of quantization levels on defuzzified fuzzy inference result is investigated. A few quantization levels are sufficient for fuzzy control. The hardware implementation of this calculation method and the defuzzification by gravity center method by PWM are also presented.