文档介绍：毕业设计说明书
基于MSP430单片机的无刷直流
电机控制系统设计
2013年6月
基于MSP430单片机的无刷直流电机控制系统设计
摘要
无刷直流电动机是在有刷直流电动机的基础上发展起来的。现阶段,虽然各种交流电动机和直流电动机在传动应用中占主导地位,但无刷直流电动机正受到普遍的关注。
自20世纪90年代以来,随着人们生活水平的提高和现代化生产、办公自动化的发展,家用电器、工业机器人等设备都越来越趋向于高效率化、小型化及高智能化,作为执行元件的重要组成部分,电机必须具有精度高、速度快、效率高等特点,无刷直流电机的应用和需求也因此而迅速增长。
本设计是把无刷直流电动机作为设计对象,以MSP430单片机为控制MCU,单片机采集比较电平及电机霍尔反馈信号,通过软件编程控制无刷直流电动机。将整个系统分成几个部分,讨论了各个部分的电路原理、控制策略、具体实现。根据永磁无刷直流电动机的特性实施脉宽PWM控制,并通过转速传感器测量转速通过LCD1602动态显示转速。
关键词:无刷直流电动机,单片机,霍尔位置传感器
MSP430 Microcontroller-based brushless DC
motor Control System Design
Abstract
Brushless DC motor in a brush DC motor developed on the basis of. At this stage, although exchanges of all kinds of DC motors and motor drive in the application of the dominant, but brushless DC motor is mon concern.
Since the 1990s, as people's living standards improve and modernize production, the development of office automation, household appliances, industrial robots and other equipment are increasingly tend to be high efficiency, small size and high intelligence, as the implementation ponents An ponent of the motor must have a high accuracy, speed, high efficiency, brushless DC motor and therefore the application is also growing rapidly.
This design is the brushless DC motor as the electric bicycle motor-driven control system, MSP430 microcontroller for control MCU, SCM collection parison-level electrical signal Hall feedback, software programming through brushless DC motor controller .
This paper analyzes the requirements from the system, the whole system will be divided into several parts, analysis and discussion of the various parts of the circuit of the control strategy, implementation method. According to the permanent brushless DC motor control of the PWM pulse width, speed sensor and display speed through LCD1602.
Key words:BLDCM,the single chip processor,hall position sensor
目录
1 引言 1
1
1
3
2 设计主要部件介绍 4
4
无刷直流电机组成 4
无刷直流电机工作原理