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매트릭스 컨버터를 이용한 유도전동기 구동장치의 기준모델 적응제어기법 기반의 강인한 센서리스 제어
沈暻勳(Gyung-Hun Sim),許成會(Sung-Hoi Huh),李敎範(Kyo-Beum Lee) 대한전기학회 2008 전기학회논문지 Vol.57 No.4
This paper presents a new robust sensorless control system for high performance induction motor drives fed by a matrix converter with variable structure. The lumped disturbances such as parameter variation and load disturbance of the system are estimated by a variable structure approach based on model reference adaptive scheme. A Reduced Order Extended Luenberger Observer (ROELO) is also employed to bring better responses at the low speed operation. Experimental results are shown to illustrate the performance of the proposed system.