基于DSP的四相步进电机控制系统设计

Design of Four Phase Stepper Motor Control System Based on DSP

本系统拟采用DSP控制四相步进电机的设计。首先,系统主要控制器为TMS320F28335,采用DSP输出PWM脉冲波经过脉冲分配电路、光电隔离电路和功率放大电路来对步进电机进行驱动;其次,通过电流采样电路、A/D转换器和过电流保护电路控制步进电机,从而增强步进电机的稳定性、系统的可靠性和抗干扰能力;最后,无线控制模块控制步进电机的运行状态。对DSP在步进电机控制系统中的进一步应用提供了借鉴。

The design of this system is to use DSP to control the four phase stepper motor.First, The main controller of the system is TMS320F28335, using DSP output PWM pulse passes the pulse distribution circuit, photoelectric isolation circuit and power amplifier circuit to drive the stepper motor; second, The step motor is controlled by the current sampling circuit, the A/D converter and the over current protection circuit to enhance the stability of the stepping motor, the reliability and the anti-interference ability of the system;finally, the wireless controlling module control step motor running state. It provides a reference for the further application of DSP in the control system of stepping motor.