基于PLC技术实现十字路口交通信号灯控制系统  

Controlled System of Traffic Lights at Crossroads Based on PLC Technology

作　　者：王琳[1] 

机构地区：[1]中山市中等专业学校,广东中山528400

出　　处：《工业控制计算机》2015年第10期151-152,共2页Industrial Control Computer

摘　　要：详细介绍了基于PLC定时器实现十字路口交通信号灯控制的设计方法,通过对交通信号灯控制要求、时序波形图和脉冲序列的分析,完成了该自动循环控制系统的程序设计,该系统编程简单、维护方便、可靠性高,并通过了实验室程序调试验证了其可行性。In this paper,the design method of the controlled system of traffic lights at the crossroads based on timer is introduced in detail.The control requirements of traffic light,the sequential waveform and pulse sequence are analyzed.At the foundation of that,the ladder diagram process is designed to realize the auto cycle controlled system.The designed system has the features of simple program,convenient maintenance and high reliability.

关 键 词：PLC 十字路口交通信号灯控制 定时器 

分 类 号：U491.5[交通运输工程—交通运输规划与管理] TP273[交通运输工程—道路与铁道工程]