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서영수,이상봉 명지대학교 대학원 1997 대학원논문집 Vol.1 No.-
PSPICE is not offered a library of mechanical factor like DC Motor, Induction Motor which is needed in Power Electronics field. Therefore, Induction Motor was made library by Equibalent circuit in this study. This model is applied in Voltage-Type inverter and is investigated its characteristics. IGBT is tested by two methods of Macro and Micro Modeling as semiconductor. PWM signal is used of pulse signal. Voltage and current, speed, torque was simulated for assurance of model.
유도전동기의 가변부하 운전에 대한 정속도 유지를 위한 외란상쇄 관측기의 연구
서영수 명지대학교 산업기술연구소 2005 産業技術硏究所論文集 Vol.24 No.-
This paper designed a robust control of an induction motor using a disturbance cancellation observer of a feedforward control. The speed response of conventional PI controller characteristic is affected by variations of load torque disturbance. In the proposed system, the speed control characteristic using a feedforward control isn't affected by a load torque disturbance. High speed calculation and processing for vector control is carried out by ADMC300 digital signal processor. Validity of the proposed control method is verified through simulation and experimental result.