1、 题 目 PLCPLC 十字路口交通灯设计十字路口交通灯设计 【摘要】 交通信号灯的出现，使交通得以有效管理，对于疏导交通流量、提高 道路通行能力，减少交通事故有明显效果。为了实现交通道路的管理，力求交通 管理先进性、科学化。用可编程控制器实现交通灯管制的控制系统，以及该系统 软、硬件实际方法。实践证明该系统实现简单、经济，能够有效的疏导交通，提 高交通路口的通行能力。分析了现代城市交通控制与管理问题的现状，结合交通 的实际情况阐述了交通灯控制系统的工作原理， 给出了一种简单实用的城市交通 灯控制系统放的 PLC 设计方案。可编程控制器在工业自动化中的地位极为重要， 广泛的应用于各行各业。随着
2、科技的发展，可编程控制器的功能日益完善加上小 型化、价格低、可靠性高，在现代工业中的作用更加突出。 关键词：交通灯，PLC 程序 设计 Abstract: The presence of traffic lights, efficient traffic management, for improving traffic flow, dredging traffic ability, has been a marked reduction of traffic accidents. In order to allow traffic on the roads where management,
3、 strives to achieve a traffic management and scientific advancement. Using programmable logic controller traffic light control system, as well as the actual system. Practice demonstrate that the system for simple, economy, ease the traffic effectively improve the traffic capacity of traffic. Analysi
4、s of modern urban traffic control and management of traffic on the present situation, the actual situation of elaborate the signal-controlled systems, presents a simple and practical city traffic light control system-and-drop design scheme of the PLC. Programmable clianthus automations high, widely used in all walks of life. With the advance of technology, the ability to Programmable plus the miniaturization of perfection, low prices, high reliability, in modern industry. Tags: traffi
