交通信号灯中英文对照外文翻译文献

1、(文档含英文原文和中文翻译)PLC-based design of traffic lightsAbstract:One kind of traffic light control system using programmable logiccontroller (PLC), via software control traffic lights run automatically. In the system,the original line is the program instead of the relay, programmable logic controller(PLC) s

2、ystem hardware and software resources to be fair use. Normal operation andemergency transport for a detailed description and from the East and Westemergencies can be mutually linked. Traffic signal systems and two seven-segmentdigital display in the countdown order; also discussed in detail the wiri

3、ng of thehardware and PLC ladder. Traffic lights at the crossroads of the remote monitoringsystem design configuration software MCGS, real-time monitoring of traffic lights,1greatly improving the reliability of data transmission. At the same time, we canconfigure the traffic lights to change the sta

4、tus of photographs.Keywords:switching power,supply protection, circuit system design1 IntroductionWith the social development and progress, traffic flow becomes increasinglyimportant. On the one hand, too many crossroads, more and more vehicles, which arecausing serious traffic congestion. On the ot

5、her hand, in the limited time it isnecessary to maintain the vehicle and pedestrian fast and safe. Therefore, one kind oftraffic light control system design, can be used to display time countdown, withcomputer controlled real-time data. In addition, the configuration technology forreal-time images t

6、hat reflect the traffic lights, understand the historical crossroads ofwork to get traffic lights visualization. The system consists of host computer and alow computer. MCGS configuration is installed in the host computer is lower by thePLC control system.Normal traffic signal timing diagram shown i

7、n Figure 1. But there are someurgent matters, for example. There are a number of ambulances to transport patients tothe hospital or to deal with a number of fire engines and fire. Fire engines andambulances rushed to take precedence over other traffic scene. According to urbantraffic control system,

8、 under normal circumstances, two control methods and urgencytraffic control factors into account. This process can show 14 segment encoder. U.S.traffic lights instant record of the monitoring process.Emergency control signals to control traffic emergency switch. If there is noemergency lights all wo

9、rk, but when an emergency open. In this case, the car is urgentpriority pass. Once the emergency vehicle passes, emergency switch off immediately.The green light in the same direction of the vehicle quickly flashes three times,followed by the normal operation. If you were from the north-south and ea

10、st-west twoemergency vehicles, traffic control systems can respond quickly came early, and thenanother.22 Traffic Control System DesignA Hardware design3C Monitoring System4Computer system has two main functions: an output signal acquisition anddisplay real-time status of the programmable logic cont

11、roller (PLC) to control trafficlights, traffic lights. Another notification robot status and history of the state real-timecurve by examining the history and alarm window.Serial Communications Number: COM0 endedThe minimum sampling period: 200 msProgrammable Logic Controller (PLC) The parameters are

12、 defined as follows:5The minimum sampling period of the basic properties: 200 msThree read / write channel: X0, X1, X2Six read-only access (read U.S. traffic lights): Q0-Q563 ConclusionExperimental results show that the system is usually configured with enoughgood photos. This system simplifies the

13、programmable logic controller (PLC) and thecommunication between the host computer using industrial configuration softwaredevelopment time is greatly reduced. In particular, more suitable for complex controlsystems. We can control the traffic lights by the PLC and MCGS configuration,replace the orig

14、inal relay control, improve the systems lifetime. At the same time, thismethod can be applied to control the motor and fluid levels. Remote control andconfiguration combined with the simulation, can be applied to similar control zone.4 References D 7 摘要：一种交通灯控制系统采用可编程序控制器(PLC), 通过软件控制交通灯自动运行。在系统原有的继

15、电器线路被程序代替，可编程序控制器(PLC)系统秩序; 同时详细的论述布线的硬件和 PLC 的梯形图。在十字路口的交通信号灯远程监控系统设计了组态软 MCGS靠性。与此同时，我们可以通过合理配置改变交通信号灯的状况。关键词：PLC，交通信号灯，SDEC，配置软件，MCGS 组态一 引言随着社会的发展和进步,太多的十字路口,车辆越来越多，这些都造成严重的交通堵塞。另一方面，在有限的时间有必要, 可以用来显示时间的倒计时, 与电脑联网控制实时数据。此外,配置技术应用于实时图像反映的交通信号灯、了解历史工作的十字路口， 获得交通信号灯的可视化。该系统由计算机主机和较低的电脑。MCGS 组态被安装于主

16、机、较低的电脑是由 PLC控制系统。时序图正常交通信号灯显示图 1车用来运送病人医院或一些消防车用来对付大火。消防车和救护车优先于其他的交通赶到出事地点，根据城市交通控制系统，正常情况下两种控制方法交通控制和紧迫性因素考虑在内。这个过程可以显示了14 段编码器，美国的交通信号灯的即时照片记录了监控过程。紧急控制信号是控制交通紧急开关如果没有紧急事件所有的红绿灯正常工作，只是紧急事件发生的时候打开。在这种情况下,紧急的车是优先通过。一旦紧急车辆经过,应急开关立即关掉。那绿色的光在同一方向的车辆迅速闪三次，8应来得早的，然后另一个。二 交通控制系统的设计A 硬件电路设计CP1H 系列的 PLC 作

17、为控制器,，显示的程序应该停止的时候，时间序列异应该被重置。在 220 V 交流系统是用来控制交通信号灯，24 V 直流控制七段编码器，图 2 显示了方案东西方时间显示。CP1H 系列可编程序控制器的一个简单的控制器，它由 24 输入和 16 个输出。因为需要二十输出在这个系统中,一个 I / O模块必须被扩展。线路图如图 2：910计算机系统有两个主要功能： 一个输出信号的采集和显示实时状态的可编程序控制器控制交通信号灯、交通信号灯，另一个通知机械手的状态和历史状态实时通过检验历史曲线及报警窗口。该监控系统的设计和组态软件 MCGS 组态。父亲装置的参数设置的串行通信的实现如下：1112通信波特率：6 9600数据位：0-7bit,Stop-bit:2-2bit数据检查方法：双止串行通信号码：COM0最小的采样周期：200 毫秒可编程序控制器的参数定义如下：最小的采样周期的基本属性：200 毫秒三个读/写渠道：X0、X1、X2六只读通道：Q0-Q513所有的通道必须连接到变量中定义一个接一个的实时数据库访问和其他参数的默认值。一个成功的关系后,PLC 与计算机控制系统能够模拟信号改变颜色 PC ,通过改变参数的主机、相应的值写入PLC 内部继电器的控制、路口交通信号灯能够