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모델기준적응시스템(MRAS) 기반의 부하토크관측기를 이용한 유도전동기 속도제어
김은기(E. G. Kim),이훈구(H. G. Lee),이승환(S. H. Lee),오봉환(B. H. Oh),정춘병(C. B. Chung),함년근(N. G. Hahm),전기영(K. Y. Jeon),이상현(S. H. Lee),한경희(K. H. Han) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
This paper investigates a speed sensorless control of induction motor. The control strategy is based on MRAS (Model Reference Adaptive System) using load-torque observer as a reference model for flux estimation. The speed response of conventional MRAS controller characteristics is affected by variations of load torque disturbance. In the proposed system, the speed control characteristics using a load-torque observer control isn't affected by a load torque disturbance. Simulation results are presented to prove the effectiveness of the adaptive sliding mode controller for the drive variable toad of induction motor.