According to the characteristics of DTC (direct torque control) in induction machine, this paper analyzed the estimation error of flux linkage and torque, and introduced an improved method of flux estimation, a compensation method based on low-pass filter
According to the characteristics of DTC (direct torque control) in induction machine, this paper analyzed the estimation error of flux linkage and torque, and introduced an improved method of flux estimation, a compensation method based on low-pass filter
摘要根据感应电机直接转矩控制的特点，对低速下磁链观测误差产生的原因进行了分析，给出了一种磁链观测的改进方法－低通滤波器补偿法。