Compared with traditional direct torque control, direct torque control using torque prediction algorithm can effectively improve the control accuracy of motor torque and stator flux. Existing algorithms generally focus on the control of torque increment in the calculation process, and approximate the increment of stator flux, which leads to a large flux control deviation and affects the control performance of the motor. Therefore, a stator flux control strategy is proposed to improve the stator flux increment in torque prediction control. Experimental results show that under the premise of ensuring the torque control effect, the proposed method can further improve the control accuracy of stator flux and improve the overall control performance of the motor.
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