关键词: 永磁同步电机, 矢量控制, 粒子群算法, 比例积分控制器

Abstract:

The permanent magnet synchronous motor has the features of strong coupling and nonlinearity.Its application environment is complex and there is interference,which gives rise to poor system stability.The traditional PI control method has difficulty meeting the requirement of the control system,and the control is therefore poor.To suppress overshoot and improve the control accuracy,a new particle swarm optimization (pso) algorithm is proposed in this paper.With system precision as the optimization objective of particles and the optimal particle as the PI parameter,the precision and stabilization of the Servo Control System can be controlled.Simulation results show that the particle swarm algorithm of the PI controller enables this system to have better dynamic and static performance.The study provides a strong theoretical support for the servo control system optimization design which has promising application prospects.

Key words: PMSM;vector control;PSO;PI controller