毕业设计单片机控制交通灯.doc

基于单片机的交通灯设计 摘要: 当今时代是一个自动化时代，交通灯控制等很多行业的设备都与计算机密切相关。因此，一个好的交通灯控制系统，将给道路拥挤、违章控制等方面给予技术革新。随着大规模集成电路及计算机技术的迅速发展，以及人工智能在控制技术方面的广泛运用，智能设备有了很大的发展，是现代科技发展的主流方向。本文介绍了一个智能交通灯系统的设计。该智能交通灯控制系统可以实现的功能有：对某市区的四个主要交通路口进行监控；各路口有固定的工作周期，并且在道路拥挤时中控中心能改变其周期；对路口违章的机动车能够即时拍照，并提取车牌号。该设计介绍了以AT89c51单片机为路口控制核心，以磁感应传感器采集违章信号，中控室以微机为控制器对路口进行监视违章处理等操作，图象传输采用电信ADSL公共网进行传输。对单片机的通信采用MAX232进行转换，当意外死机时本系统还有防死机等功能。The ages is an automation ages nowadays and transportation light controls waiting a lot of equipmentses of professions all is closely related with calculator.Therefore, a good transportation light control system, will hustle for road, illegal control etc. give technique innovation.Along with the technical quick development of the large scale integration and the calculator, and the artificial intelligence is control the extensive usage of technique, the intelligence equipments had a very big development, is the essential direction that modern science and technology develop.This text introduced the design of an intelligence transportation light system.The intelligences transportation light control the system can carry out of the function have:Carry on supervision to four main transportation street corners of some downtown;Each street corner contains fixed work period, and control center in the road hustle the hour can change its period;Can immediately take photo to the street corner illegal automobile, and withdraw license plate number.That design introduced with AT89 c 51 single slice machine for the street corner control core, respond to spread a feeling machine to collect illegal signal by Ci, medium control room to take tiny machine as controller to carry on keeping watch on illegal processing etc. operation to the street corner, the portrait delivers the adoption telecommunication ADSL public net to carry on deliver.To single slice the correspondence of the machine adopt the MAX232 carry on a conversion and this system still has already defended to crash to wait function while being an