本文设计了基于GD32F407的全国产化的电机驱动系统,该系统是定位定向导航系统应用中转位装置的重要组成部分,需要搭配转台使用,其主要功能是实现角位置传感器即旋转变压器激磁信号激励的产生,使用专用的调制解调位置信息芯片实现对电机旋转位置的精确判断,使用单片机实现信号处理、调制解调位置信息处理以及控制电机驱动芯片WSA67驱动电机完成转台的定向定量转位,转位过程中实现转台的稳速控制,同时通过隔离的串行接口完成与转台系统的数据传输等功能。

In the paper,a domestic motor drive system is designed based on GD32F407.The system is an important part of the application transfer device of positioning directional navigation system and needs to be used with a turntable.Its main function is to generate excitation signals of angle position sensors,namely rotating transformers.The dedicated modulation and demodulation position information chip is used to accurately judge the rotating position of the motor,the single-chip microcomputer is used to realize signal processing,modulation and demodulation position information processing,and the motor driver chip WSA67 is used to drive the motor to complete directional quantitative rotation of the turntable,and the stable speed control of the turntable is realized in the process of rotation.At the same time,the data transmission with the turntable system is completed through the isolated serial interface.