Design of Brushless DC Motor Control System Based on Microcontroller

Based on dsPIC30F4011 which was specifically designed for the needs of digital motor control,a control system was developed to drive the brushless DC motor.The control strategy and the operational principle of the control system were elaborated,and the software and hardware design was presented.The experimental results indicate that excellent speed adjusting performance can be achieved in this system which combines the flexible control with high-speed operation ability.In addition,with the advantages of simple circuit structure,low power consumption and high reliability,the system can achieve high performance control and has a wide field of application.