基于TMS320F28335的永磁同步电动机控制器的设计

针对永磁同步电机（PMSM）具有结构简单、效率高、功率因数高等优点，研究和设计了一款以浮点型TMS320F28335数字信号处理器（DSP）为控制核心的永磁同步电机控制器。该控制器设计了三相全控桥式功率驱动电路和过流、欠压检测，温度监控等检测保护电路。能通过CAN总线连接外部显示模块以及RS232通信接口与上位机的高速通信并进行实时数据交换，软件部分采用空间矢量算法实现电流、速度和位置的精确控制。实验结果表明，控制器精度高、响应快、控制效果稳定。

Design of controller for PMSM based on TMS320F28335

According to the simple structure, high-efficiency and high power factor of permanent magnet synchronous motor (PMSM),a controller for permanent magnet synchronous motor based on float-point digital signal processor (DSP) TMS320F28335 was researched and designed. The controller contains three-phase full-bridge driving circuit, over current sampling circuit and under voltage sampling circuit, temperature sampling circuit and so on. It can connect to the external display module by CAN bus and has capability of high-speed communication with the host via by RS232 interface and real-time data exchange. In software part, space vector algorithm is adopted to precise control of current, speed and position. The experimental results show that the controller has the characteristics of high precision, fast response and the stability of the control effect.