基于单片机直流电机控制器设计毕业设计论文 推荐.docxVIP

摘要本文是对直流电机PWM控制器设计的研究，主要实现对电机的控制。本设计主要是实现PWM调速器的正转、反转、加速、减速、停止等操作。为实现系统的微机控制，在设计中，采用了AT89C51单片机作为整个控制系统的控制电路的核心部分，配以各种显示、驱动模块，实现对电动机转速参数的显示和测量；由命令输入模块、光电隔离模块及H型驱动模块组成。采用带中断的独立式键盘作为命令的输入，单片机在程序控制下，不断给光电隔离电路发送PWM波形，H型驱动电路完成电机正反转控制.在设计中，采用PWM调速方式，通过改变PWM的占空比从而改变电动机的电枢电压，进而实现对电动机的调速。设计的整个控制系统，在硬件结构上采用了大量的集成电路模块，大大简化了硬件电路，提高了系统的稳定性和可靠性，使整个系统的性能得到提高。关键词：AT89C51单片机；PWM调速；正反转控制。AbstractThis article is a DC motor PWM speed control design study, the main achievement of motor control. This course is primarily designed to achieve PWM speed controller for forward and reverse, acceleration, deceleration, and stop such an operation. And to achieve the circuit simulation. To achieve system, microcomputer control, in the design, using AT89C51 microcontroller control system as a whole, the core of the control circuit, accompanied by a variety of shows, drive module enables the motor speed parameter display and measurement; from the command input module, Optical isolation module and H-drive module. With the stand-alone keyboard with a break as a command input, single-chip in the process control, continuing to the optical isolation circuit to send PWM waveform, H-type motor driving circuit to complete positive inversion control. In the design, using PWM speed mode, by changing the PWM duty cycle to change the motor armature voltage, so as to realize the speed of the motor. Design of the control system hardware structure with a large number of integrated circuit modules, greatly simplifying the hardware circuitry to improve stability and reliability of the system so that the whole system performance is improved.Key words: AT89C51 microcontroller; PWM speed; positive inversion control.摘要1Abstract2第1章概述41.1题目背景和意义41.2题目国内外研究现状61.3PWM控制技术简述71.4完成目标8第2章系统论述82.1设计思路82.2基本原理82.3 AT89C2051单片机介绍92.3.1 51单片机简介92.3.2功能102.4总体设计框图14第3章直流电机单元电路设计与分析153.1设计思路153.2 方案论证与比较153.3直流电机驱动模块163.3.1 直流电机类型173.3.2 直流电机结构173.3.3 直流电机工作原理173.3.4 直流电机主要技术参数183.3.5 直流电机PWM调速原理183.3.6 电机驱动模块的电路设计213.3.7 程