基于PIC单片机的直流无刷电机驱动控制器

摘要

介绍了一种基于PIC18Fxx单片机的直流无刷电机的控制器；实现了电机的过流保护、欠压保护、PWM调速和速度闭环控制；设计了主要的硬件电路；并给出了部分软件流程图。通过实验与仿真验证了系统的可靠性与稳定性。%This paper introduces a brushless DC motor controller based on the PIC 18Fxx MCU.The Motor Hall signal acquisition , overcurrent protection , undervoltage protection , PWM speed control and speed closed-loop control are realized .The main hardware circuit and the flowchart of software are designed .The reliability and stability of the system is verified by experiment and simulation .