Permanent magnet synchronous motor model prediction speed control method using firefly group optimization and controller thereof

The invention discloses a permanent magnet synchronous motor model prediction speed control method using firefly group optimization, which comprises the following steps: updating fluorescein, finding a better position in a decision radius, calculating the probability that each position is selected, salculating a moving step, updating the position of the firefly, setting the maximum number of iterations, and updating the decision domain range. The invention further discloses a permanent magnet synchronous motor model prediction speed controller using firefly group optimization, and the controller comprises a reference track module, a rolling optimization module, a feedback correction module and a prediction model module. The optimal weight coefficient can be obtained under different working conditions, so that high-performance speed control is obtained. Simulation and experiments show that the problem that the weight coefficient of the controller is difficult to adjust and the problem that the performance of the controller is poor due to fixed parameters are solved, and the controller has good dynamic response capability and robustness due to the real-time change of the weight coefficient.