基于PIC16F877的PWM焊枪电机控制

PWM Control Welding Torch Motor Based on PIC16F877

介绍了一种基于PIC16F877单片机的PWM直流电机控制设计。阐述了基本设计思想和PWM控制方法,给定了脉冲参数,编制了脉宽调节的程序,并测试了运行结果。在电机控制方面,与传统的电阻调压控制相比,采用PWM控制的主要优点是效率较高,且在满电压的情况下,PWM控制会产生更大转矩。可以方便地控制和检测电机的转速,为焊枪的移动提供了一种简易、低成本的自动控制方式。

This paper presents a design of PWM control DC motor based on the PIC16F877.It also introduces the basic design idea and the PWM control method,the pulse parameter is given,the pulse width adjustment procedure is programmed,and the results are tested.This system can control and detect the rotational speed easily,and provides a simple and low-cost solution for the moving of welding torch.