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An optimal direct torque control system of PMSM based on backstepping model

机译：基于反推模型的永磁同步电机最优直接转矩控制系统

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In this paper, an optimal direct torque control system of permanent magnet synchronous motor based on backstepping model is proposed. The actual model and the reference model equations of permanent magnet synchronous motor are established. The control rate is derived reversely with the error vector, and then the stator flux and torque values are predicted. The stability of the system is proved by using Lyapunov stability theorem. Evaluation function of direct torque controller and the current state of the constraints are designed. It can make direct torque controller select the appropriate control vectors according to the results of backstepping model controller. The simulation experiment is carried out in the Matlab/Simulink simulation environment, the results show that the method can reduce the speed and torque fluctuations obviously and has a better dynamic and static control performance.
机译：提出了一种基于反推模型的永磁同步电动机最优直接转矩控制系统。建立了永磁同步电动机的实际模型和参考模型方程。通过误差矢量反向导出控制率，然后预测定子磁通和转矩值。利用Lyapunov稳定性定理证明了系统的稳定性。设计了直接转矩控制器的评估功能和当前约束条件。它可以使直接转矩控制器根据反推模型控制器的结果选择合适的控制矢量。在Matlab / Simulink仿真环境中进行了仿真实验，结果表明该方法可以明显降低速度和转矩波动，具有较好的动，静态控制性能。

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