基于PLC控制的交通灯毕业论文毕业论文（设计）完整版.doc

基于PLC控制的交通灯毕业论文 中文摘要 PLC可编程序控制器是以微处理器为基础,综合了计算机技术、自动控制技术和通讯技术发展而来的一种新型工业控制装置。它具有结构简单、编程方便、可靠性高等优点,已广泛用于工业过程和位置的自动控制中。据统计,可编程控制器是工业自动化装置中应用最多的一种设备。专家认为,可编程控制器将成为今后工业控制的主要手段和重要的基础设备之一,PLC、机器人、CAD/CAM将成为工业生产的三大支柱。由于PLC具有对使用环境适应性强的特性,同时其内部定时器资源十分丰富,可对目前普遍使用的“渐进式”信号灯进行精确控制,特别对多岔路口的控制可方便地实现。因此现在越来越多地将PLC应用于交通灯系统中。同时,PLC本身还具有通讯联网功能,将同一条道路上的信号灯组成一局域网进行统一调度管理,可缩短车辆通行等候时间,实现科学化管理. 关键词：交通灯 PLC 程序 设计 ABSTRACT PLC programmable logic controller is a microprocessor-based, integrated computer technology, automatic control technology and communication technology from a new type of industrial control devices. It has the advantages of simple structure, easy programming, high reliability, has been widely used in industrial processes and automatic control of the location. According to statistics, the programmable controller is the most widely used industrial automation equipment in an equipment. The expert thinks, the programmable controller will become the future of industrial control main measure and important basic equipment, PLC, CAD / CAM, the robot will become the industrial production of the three big pillar. Because PLC has the use of environmental adaptability features, while its internal timer resources are very rich, but the current widespread use of progressive signal for precise control, especially for multiple fork control can be realized conveniently. So now more and more application of the PLC in the traffic light system. At the same time, PLC also has its own communications networking functions, will be on the road with a signal to form a unified scheduling LAN management, can reduce the waiting time of vehicles, the realization of scientific management. Key words: traffic lights PLC program design 分享到 翻译结果重试 抱歉，系统响应超时，请稍后再试 支持中英、中日在线互译 支持网页翻译，在输入框输入网页地址即可 提供一键清空、复制功能、支持双语对照查看，使您体验更加流畅 分享到 翻译结果重试 抱歉，系统响应超时，请稍后再试 支持中英、中日在线互译 支持网页翻译，在输入框输入网页地址即可 提供一键清空、复制功能、支持双语对照查看，使您体验更加流畅 目录 中文摘要 1 ABSTRACT 2 第一章单片机控制交通灯的背景 5 1.1交通灯的背景 5 1.1.1交通灯的历史 5 1.1.2交通灯的出现 5 1.2单片机简介 5 1