文档介绍：小车自动入库系统设计
摘要
本次小车自动入库设计主要由硬件和软件两部分组成,硬件部分包括:单片机SPEC061A、时钟电路、电源电路、LCD显示电路、数据存储电路、超声波接收和发射电路、蜂鸣器电路、H型PWM驱动电路;软件部分包括:单片机定时/ 计时器的使用、单片机C语言的开发概述、硬件初始化程序、LCD 动态显示编程、中断服务编程等内容。小车自动入库系统采用凌阳单片机SPEC061A 作为主控芯片, 配以各种传感器,采用自制超声波接收器检测车库位置;使用步进电动机打开、关闭门栏;采用PWM技术控制电动机的转速,H型驱动电路控制电动机转向。基于可靠的硬件设计和抗干扰的双电源供电方式,采用稳定的算法,实现对小车在行进过程中进行精确控制,使其准确检测光源、找到车库的准确位置而实现自动入库的功能。
关键词:超声波;步进电机;单片机SPEC061A;PWM调速;检测光源
Car auto storage
Abstract
The design of the main car auto storage hardware and ponents, Hardware included:SCM SPCE061A, clock circuits, power circuits, LCD display circuit, data storage circuit, ultrasonic receiver and transmitter circuit, the buzzer circuit, H-type PWM driver circuit;ponents including:Microcontroller timer / timer to use, 89C52 interrupt system, microcontroller development of C language overview, hardware initialization process, LCD dynamic display programming, interruptprogramming, storage system uses the car Sunplus SPEC061A as the main chip microcontroller, with various sensors, ultrasonic receivers with self-made garage location; use stepper motors to open and close the door bar; using PWM technique to control the motor speed, H-type Control the steering motor drive circuit. Reliable hardware-based anti-jamming design and dual power supply, the stability of the algorithm used to realize the car in the road during the process of precisely controlled light source to accurately detect, locate the exact location of the garage and automatic storage features.
Keywords: Ultrasonic;Stepper motor;SCM SPEC061A;PWM speed control;Detection of light
目录
小车自动入库系统设计 I
摘要 I
ABSTRACT II
1绪论 1
2方案论证及比较 4
单片机选择 4
4
4
5
电机驱动方案的选择 6
6
7
方位检测方案的选择 7
小车自动入库的方位检测方案 7
9
9
电源选择 11
单片机供电的选择方案 11
3系统总体功能设计 12
12
12
车体结构 12
电机PWM驱动模块电路 13
全方位超声波检测模块 14
超声波测距相位法测距基本原