1、编号: 11006520076 南阳师范学院 2013 届毕业生 毕业论文(设计) 题 目: 利用接近开关实现小车的循迹问题 完 成 人: 郭珊珊 班 级: 09 级通信 7 班 学 制: 2 年 专 业: 通信工程 指导教师: 高振海 完成日期: 2013 03 06 摘 要 本设计是 一种基于 单片机控制的简易智能寻迹小车 系统 ,旨在设计出一款可以自主按照人类预设的轨迹行走并完成指定任务的小车。本设计主要有三个模块包括信号检测模块、主控模块、电机驱动模块。信号检测模块采用红外光对管,用以对黑线进行检测。控制系统以 STC89C52 为控制核心 , 用单片 机 产生 PWM 波 , 控制小
2、车速度 及转向,从而实现自动循迹的功能。 关键词 : 循迹小车,单片机,红外传感器 Abstract(需改) The design is a simple microcontroller-based control automatically tracing the car system.The design aims to design a can of independent walking in accordance with the trajectory of human default (or completely autonomous walking) and to complet
3、e the tasks assigned to the car. The design includes the functional requirements from the design of car mechanical design and control system hardware and software design. Control system to control the core to STC89C52 microcontroller PWM wave to control the car speed. Using infrared photoelectric se
4、nsor to detect the black track on the road and to determine the current status of the car, and then the road detection signal is fed to the microcontroller. Microcontroller to be collected signal analysis and judgment, and timely control of the drive motor to adjust the steering of the car, so that the car is traveling along the black track to achieve the purpose of the car automatically tracing. Keywords: car tracking; microcontroller; Infrared sensors