In order to reduce torque ripple of induction motor model predictive torque control (MPTC) system and further reduce the flux ripplea flux linkage and torque deadbeat control is proposed. The simulation results show that the induction motor system works properly under the flux linkage and torque deadbeat control. Compared with MPTCthe proposed strategy can decrease the root mean squared error (RMSE) of torque ripple by 87.84%the RMSE of flux ripple by 97.83%and the total harmonic distortion (THD) of current by 94.21%. And compared with torque deadbeat model predictive controlthe torque ripple of the proposed strategy is increased slightlybut the RMSE of flux ripple is reduced by 96.77%and the THD of current is reduced by 90.03%. The real-time experiment results show that the flux linkage and torque deadbeat control is simple to calculate and has good real-time performance. The calculation time is 4.79% of MPTC and 5.29% of torque deadbeat model predictive control.
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LI Yaohua, CHEN Guixin, WANG Xiaoyu, LIU Zikun, LIU Dongmei, REN Chao. Flux Linkage and Torque Deadbeat Control for Induction Motor[J]. Electric Machines & Control Application,2022,49(10):27-33.