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单片机控制直流电机的设计与实现
作者:admin   发布于:2014-02-27 16:32    文字:【】【】【
 
摘 要
    

     在国民生产中,随着现代技术的发展,电力电子技术已得到了全面的发展,其技术已应用到各个领域。在各类机电系统中,由于直流电机具有良好的启动、制动和调速性能,直流电机调速系统已广泛运用于工业、航天领域的各个方面,最常用的直流调速技术是脉宽调制(PWM)直流调速技术,具有调速精度高、响应速度快、调速范围宽和损耗低的特点.而利用计算机数字控制也成了直流调速的一种手段,数字控制系统硬件电路的标准化程度高,控制软件能够进行复杂运算,可以实现不同于一般线性调节的最优化、自适应、非线性、智能化等控制规律,此外还拥有信息存储、数据通信和故障诊断等模拟系统无法实现的功能。
 
 
关键字:AT89C51单片机  PWM技术  编码器  直流电动机

 Abstract
    In the national production, along with the development of modern technology, electronic technology has been a comprehensive development, the technology has been applied in various fields. In all kinds of mechanical system, due to the dc motor has a good start, brake and the performance of speed, dc motor control system has been widely used in industry, spaceflight, most commonly used dc speed control technology is a pulse width modulation (PWM) dc speed control technology, which has a high precision, fast response time, high speed range and width of the low loss characteristics  and use of computer digital control has become a kind of method of dc speed control system, the hardware circuit of a high degree of standardization, control software to carry out complex operation can be realized, different from the general linear optimization and adjustment of the adaptive, nonlinear, intelligent control law, also have information storage, data communication and fault diagnosis cannot achieve such simulation system
 
 
Key words: AT89C51 microcontroller  PWM technology  encoder  DC Motor
 



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