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고재섭(Jse-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
The drying method that is applied in industry is mainly used hot air drying method witch is circulated heated air by generating heat from thermal source. But these methods have problems such as decreasing drying efficiency and waste of energy by low thermal efficiency. Therefore, this paper proposes high efficiency hybrid drying system using near infrared ray(NIR) drying method using halogen lamp and hot air drying method. And this paper proves validity of proposed drying system through experiment about thermal and humidity of drying system inside.
유도전동기 드라이브의 DTC 제어를 위한 하이브리드 퍼지제어기
문주희(Ju-Hui Mun),고재섭(Jse-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),김순영(Sun-Young Kim),정동화(Dong-Hwa Chung) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
An induction motor operated with a conventional direct self controller(DSC) shows a sluggish response during startup and under changes of torque command. Fuzzy logic controller(FLC) is used in conjunction with DSC to minimize these problems. A FLC chooses the switching states based on a set of fuzzy variables. Flux position, error in flux magnitude and error in torque are used as fuzzy state variables. Fuzzy rules are determinated by observing the vector diagram of flux and currents. This paper proposes hybrid FLC for direct torque control(DTC) of induction motor chives. This controller is controlled speed using hybrid FLC. The performance of the proposed induction motor chive with hybrid FLC is verified by analysis results at various operation conditions.