1、 电力拖动技术课程设计报告书电力拖动技术课程设计报告书 直流电动机调速设计直流电动机调速设计 专专 业:业: 电气自动化 学生姓名学生姓名: 班班 级:级: 0909 电气自动化大专电气自动化大专 指导老师:指导老师: 提交日期: 2012 年 3 月 1 摘摘 要要 在电气时代的今天,电动机在工农业生产与人们日常生活中都起着十分重要的作用。直流电机 作为最常见的一种电机,具有非常优秀的线性机械特性、较宽的调速范围、制动性能,宜于在大范 围内平滑调速,良好的起动性以及简单的控制电路等优点,在许多需要调速或快速正反向的电力拖 动领域中得到了广泛的应用。 本文设计了直流电机控制系统的基本方案,阐述
2、了该系统的基本结构、工作原理、运行特性及其设 计方法。本系统采用霍尔元器件测量电动机的转速,本设计主要研究直流电机的控制和测量方法, 从而对电机的控制精度、响应速度以及节约能源等都具有重要意义。经过驱动放大电路对直流电机 进行调速控制。并将转速显示出来。从而实现快速的调节电机转速 关键字:直流调速 Summary In the electrical era, the motor plays an important role in industrial and agricultural production and daily life. DC motor as the most common
3、 type of motor, with a very good linear mechanical properties of a wide speed range, the braking performance, it is appropriate to smooth speed in a wide range, good start, and a simple control circuit advantages, has been widely used in many of the governor or the fast forward and reverse the field
4、 of electric drive. Designed the basic scheme of the DC motor control system, described the basic structure of the system, working principles, operating characteristics and its design method. The system uses the Hall components to measure the motor speed, the design of DC motor control and measurement methods, which the motor control accuracy, faster response and energy conservation are all of great significance. After the driver am