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针对永磁同步电机(Permanent Magnet Synchronous Motor,PMSM)伺服控制系统存在低速运行不平稳等问题提出了一种结合速度、电流双闭环的自抗扰配合PI的综合控制方法。实验中选择型号为TMS320F2812的DSP作为主控芯片,设计了永磁同步电机驱动控制系统硬件装置,通过软件程序为电机的速度环和电流环分别设计了自抗扰、PI控制器,以实现对扰动的实时估计与补偿。实验记录了永磁同步电机的速度响应曲线,实验数据证明文章中所提算法实现了永磁同步电机响应的快速性和运行的稳定性。
Aiming at the problems of unsteady low speed running of Permanent Magnet Synchronous Motor (PMSM) servo control system, a new integrated control method based on PI and PI with double loops of speed and current is proposed. In the experiment, the DSP of model TMS320F2812 was selected as the master chip, and the hardware of the PMSM drive control system was designed. The software routines were designed for the speed loop and the current loop of the motor to design the ADRC and PI controller respectively. Real-time estimation and compensation of disturbance. The experiment records the speed response curve of the permanent magnet synchronous motor. The experimental data prove that the algorithm proposed in the paper realizes the fast response and the stability of the permanent magnet synchronous motor.