The study of Direct Torque Controlled BLDC Motor Drive with Sinusoidal EMF

정현파 역기전력을 갖는 BLDC의 직접토크 제어에 관한 연구

This paper describe a control scheme for direct torque control of BLDC Motor. The proposed Luenberger Observer scheme calculate flux errors in order to control the torque and flux more correctly. This proposed control scheme has not the requirement of a separate current regulator and proportional-integral (PI) control of the flux and torque, there by improving transient performance and also has the advantage of less torque ripple in steady state with a fixed switching period. The effect of proposed method has been proven by simulations.