基于plc的交通燈控制系統(tǒng)設(shè)計(jì)外文翻譯

1、<p>　　畢業(yè)設(shè)計(jì)（外文翻譯）</p><p>　　英文題目 PLC-based design of traffic lights</p><p>　　中文題目 基于PLC的交通燈設(shè)計(jì) </p><p>　　系 （院） 自動化系 </p><p

2、>　　專 業(yè) 電氣工程與自動化 </p><p>　　學(xué)生姓名 </p><p>　　學(xué) 號 2009022388 </p><p>　　指導(dǎo)教師

3、 </p><p>　　職 稱 講 師 </p><p>　　二〇一三 年 六 月</p><p>　　PLC-based design of traffic lights</p><p>　　Abstract: One kin

4、d of traffic light control system using programmable logic controller (PLC), via software control traffic lights run automatically. In the system, the original line is the program instead of the relay, programmable logic

5、 controller (PLC) system hardware and software resources to be fair use. Normal operation and emergency transport for a detailed description and from the East and West emergencies can be mutually linked. Traffic signal s

6、ystems and two seven-segment digital displa</p><p>　　Keywords: switching power,supply protection, circuit system design</p><p>　　1. Introduction </p><p>　　With the social develop

7、ment and progress, traffic flow becomes increasingly important. On the one hand, too many crossroads, more and more vehicles, which are causing serious traffic congestion. On the other hand, in the limited time it is nec

8、essary to maintain the vehicle and pedestrian fast and safe. Therefore, one kind of traffic light control system design, can be used to display time countdown, with computer controlled real-time data. In addition, the co

9、nfiguration technology for real-time </p><p>　　Normal traffic signal timing diagram shown in Figure 1. But there are some urgent matters, for example. There are a number of ambulances to transport patients t

10、o the hospital or to deal with a number of fire engines and fire. Fire engines and ambulances rushed to take precedence over other traffic scene. According to urban traffic control system, under normal circumstances, two

11、 control methods and urgency traffic control factors into account. This process can show 14 segment encoder. U.S. traffi</p><p>　　Emergency control signals to control traffic emergency switch. If there is no

12、 emergency lights all work, but when an emergency open. In this case, the car is urgent priority pass. Once the emergency vehicle passes, emergency switch off immediately. The green light in the same direction of the veh

13、icle quickly flashes three times, followed by the normal operation. If you were from the north-south and east-west two emergency vehicles, traffic control systems can respond quickly came early, and then</p><p

14、>　　2. Traffic Control System Design </p><p>　　A. Hardware design </p><p>　　CP1H series PLC as controller, display the procedure should stop when the time series of abnormal system operation,

15、the time will not be displayed. When the emergency procedures are completed time series, countdown display program should be reset. At 220 V AC system is used to control traffic lights, 24 V DC control segment encoder, F

16、igure 2 shows the scheme Eastern time display. CP1H series programmable logic controller (PLC) is a simple controller, which consists of 24 inputs and sixteen outpu</p><p>　　B. Control Program Design</p&g

17、t;<p>　　Six timers and two special normal open pulse is used in this system, the green light flashes for all north-south and east-timer and a special pulse; eight kinds of interlocking internal relay is used to im

18、plement the urgency and transmit pulse two directions to PLC, shown in the figure. Two SDEC instructions are used to display the countdown display the corresponding light. As an important part of the countdown display pr

19、ogram, east and west of the green light reflected in the view 4 in these pr</p><p>　　C. Monitoring System</p><p>　　Computer system has two main functions: an output signal acquisition and displa

20、y real-time status of the programmable logic controller (PLC) to control traffic lights, traffic lights. Another notification robot status and history of the state real-time curve by examining the history and alarm windo

21、w.</p><p>　　This monitoring system design and configuration software MCGS configuration is easy. The serial communication is implemented as follows.</p><p>　　Data inspection methods: double ende

22、d</p><p>　　Serial Communications Number: COM0 ended</p><p>　　The minimum sampling period: 200 ms</p><p>　　Programmable Logic Controller (PLC) The parameters are defined as follows:&

23、lt;/p><p>　　The minimum sampling period of the basic properties: 200 ms</p><p>　　Three read / write channel: X0, X1, X2</p><p>　　Six read-only access (read U.S. traffic lights): Q0-Q5&

24、lt;/p><p>　　All channels must be connected to a variable defined in a real-time database access visits and other parameters to their default values. After a successful relationship, PLC and computer control sys

25、tem is able to change the color of the analog signal lights in the picture on the PC being collected data through the serial port.. In contrast, by changing the parameters of the host, the corresponding value is written

26、to the PLC internal relay control, intersection traffic lights can be implemented.</p><p>　　3. Conclusion</p><p>　　Experimental results show that the system is usually configured with enough goo

27、d photos. This system simplifies the programmable logic controller (PLC) and the communication between the host computer using industrial configuration software development time is greatly reduced. In particular, more su

28、itable for complex control systems. We can control the traffic lights by the PLC and MCGS configuration, replace the original relay control, improve the system's lifetime. At the same time, this method</p><

29、;p>　　4. References</p><p>　　[1] Whitworth, Duller, Jones D I. Aerial video inspection of overhead power lines [J].Power Engineering Journal,2001,15:25-32.</p><p>　　[2] Jan Axelson, Lakeview R

30、esearch-Serial port complete [D]. USA:1999:91-135.</p><p>　　基于PLC的交通燈控制系統(tǒng)設(shè)計(jì)</p><p><b>　　摘要</b></p><p>　　一種交通燈控制系統(tǒng)采用可編程序控制器(PLC), 通過軟件控制交通燈自動運(yùn)行。在系統(tǒng)原有的繼電器線路被程序代替，可編程序控制器(P

31、LC)系統(tǒng)的硬件和軟件資源的被合理使用。正常運(yùn)行和緊急運(yùn)輸進(jìn)行了詳細(xì)的介紹，并從突發(fā)事件的東西南北可以相互連鎖。交通燈信號系統(tǒng)和兩個數(shù)碼管顯示在倒計(jì)時(shí)秩序; 同時(shí)詳細(xì)的論述布線的硬件和PLC的梯形圖。在十字路口的交通信號燈遠(yuǎn)程監(jiān)控系統(tǒng)設(shè)計(jì)了組態(tài)軟MCGS，實(shí)時(shí)監(jiān)控紅綠燈，大大提高了數(shù)據(jù)傳輸?shù)目煽啃浴Ｅc此同時(shí)，我們可以通過合理配置改變交通信號燈的狀況。</p><p>　　關(guān)鍵詞：PLC，交通信號燈，SDEC，配置

32、軟件，MCGS組態(tài)</p><p><b>　　一、引言</b></p><p>　　隨著社會的發(fā)展和進(jìn)步,交通暢通變得越來越重要。一方面,太多的十字路口,車輛越來越多，這些都造成嚴(yán)重的交通堵塞。另一方面，在有限的時(shí)間有必要保持車載和行人快速和安全。因此，一種交通燈控制系統(tǒng)的設(shè)計(jì), 可以用來顯示時(shí)間的倒計(jì)時(shí), 與電腦聯(lián)網(wǎng)控制實(shí)時(shí)數(shù)據(jù)。此外,配置技術(shù)應(yīng)用于實(shí)時(shí)圖像反映的

33、交通信號燈、了解歷史工作的十字路口， 獲得交通信號燈的可視化。該系統(tǒng)由計(jì)算機(jī)主機(jī)和較低的電腦。MCGS組態(tài)被安裝于主機(jī)、較低的電腦是由PLC控制系統(tǒng)。</p><p>　　時(shí)序圖正常交通信號燈顯示圖1，但也有一些緊急的事情。例如有一些救護(hù)車用來運(yùn)送病人醫(yī)院或一些消防車用來對付大火。消防車和救護(hù)車優(yōu)先于其他的交通趕到出事地點(diǎn)，根據(jù)城市交通控制系統(tǒng)，正常情況下兩種控制方法交通控制和緊迫性因素考慮在內(nèi)。這個過程可以顯示

34、了14段編碼器，美國的交通信號燈的即時(shí)照片記錄了監(jiān)控過程。</p><p>　　緊急控制信號是控制交通緊急開關(guān)如果沒有緊急事件所有的紅綠燈正常工作，只是緊急事件發(fā)生的時(shí)候打開。在這種情況下,緊急的車是優(yōu)先通過。一旦緊急車輛經(jīng)過,應(yīng)急開關(guān)立即關(guān)掉。那綠色的光在同一方向的車輛迅速閃三次，隨后正常運(yùn)行。如果從南北和東西分別有兩個緊急車，交通控制系統(tǒng)只能迅速反應(yīng)來得早的，然后另一個。</p><p&g

35、t;　　二、交通控制系統(tǒng)的設(shè)計(jì)</p><p><b>　　A.硬件電路設(shè)計(jì)</b></p><p>　　CP1H系列的PLC作為控制器,，顯示的程序應(yīng)該停止的時(shí)候，時(shí)間序列異常系統(tǒng)工作，時(shí)間不會被顯示。當(dāng)緊急程序完成了時(shí)間序列、倒計(jì)時(shí)顯示的程序應(yīng)該被重置。在220 V交流系統(tǒng)是用來控制交通信號燈，24 V直流控制七段編碼器，圖2顯示了方案東西方時(shí)間顯示。CP1H系列

36、可編程序控制器(PLC)的一個簡單的控制器，它由24輸入和16個輸出。因?yàn)樾枰敵鲈谶@個系統(tǒng)中,一個I / O模塊必須被擴(kuò)展。線路圖如圖2：</p><p><b>　　B.控制程序的設(shè)計(jì)</b></p><p>　　六個定時(shí)器和兩個特殊的正常開啟脈沖是用來在這個系統(tǒng)中，綠色燈閃南北及東西進(jìn)行所有的定時(shí)器和特殊的脈沖；八種內(nèi)部繼電器被用來實(shí)現(xiàn)聯(lián)鎖的緊迫性和發(fā)送脈沖

37、兩個方向至PLC，圖中顯示。兩個SDEC指示是用來顯示倒計(jì)時(shí)顯示相應(yīng)的光。作為一個重要的部分,倒計(jì)時(shí)顯示程序，東、西向的綠燈表現(xiàn)在視圖4。在這些程序下載到可編程序控制器(PLC)，所有的交通燈運(yùn)行準(zhǔn)確、緊迫性和從南北東西可以聯(lián)鎖嚴(yán)格時(shí)，所有的燈都能回到設(shè)置的迫切性經(jīng)過時(shí)的狀態(tài)。所以這些控制程序是正確的、簡單的。</p><p><b>　　C.監(jiān)控系統(tǒng)的設(shè)計(jì)</b></p>&

38、lt;p>　　計(jì)算機(jī)系統(tǒng)有兩個主要功能： 一個輸出信號的采集和顯示實(shí)時(shí)狀態(tài)的可編程序控制器(PLC)控制交通信號燈、交通信號燈，另一個通知機(jī)械手的狀態(tài)和歷史狀態(tài)實(shí)時(shí)通過檢驗(yàn)歷史曲線及報(bào)警窗口。</p><p>　　該監(jiān)控系統(tǒng)的設(shè)計(jì)和組態(tài)軟件MCGS組態(tài)。父親裝置的參數(shù)設(shè)置的串行通信的實(shí)現(xiàn)如下：</p><p>　　通信波特率：6 ~9600</p><p>　

39、　數(shù)據(jù)位：0-7bit,Stop-bit:2-2bit</p><p><b>　　數(shù)據(jù)檢查方法：雙止</b></p><p>　　串行通信號碼：COM0</p><p>　　最小的采樣周期：200毫秒</p><p>　　可編程序控制器的參數(shù)定義如下：</p><p>　　最小的采樣周期的基本屬

40、性：200毫秒</p><p>　　三個讀/寫渠道：X0、X1、X2</p><p>　　六只讀通道：Q0-Q5</p><p>　　所有的通道必須連接到變量中定義一個接一個的實(shí)時(shí)數(shù)據(jù)庫訪問和其他參數(shù)的默認(rèn)值。一個成功的關(guān)系后,PLC與計(jì)算機(jī)控制系統(tǒng)能夠模擬信號改變顏色的燈在這幅畫中，在PC上被收集到的數(shù)據(jù)通過串口。然后進(jìn)行狀態(tài)監(jiān)測的十字路口交通信號燈術(shù)。相反,通過

41、改變參數(shù)的主機(jī)、相應(yīng)的值寫入PLC內(nèi)部繼電器的控制、路口交通信號燈能夠得到貫徹執(zhí)行。實(shí)驗(yàn)結(jié)果表明，該系統(tǒng)通常和動畫了足夠的好。在線監(jiān)測系統(tǒng)的交通信號燈如圖5：</p><p><b>　　三、結(jié)論 </b></p><p>　　實(shí)驗(yàn)結(jié)果表明，該系統(tǒng)通常和配置了足夠的好照片。該系統(tǒng)簡化了可編程序控制器(PLC)和計(jì)算機(jī)主機(jī)之間的通信采用工業(yè)組態(tài)軟件開發(fā)的時(shí)間大大縮短。尤

42、其是,更適合復(fù)雜的控制系統(tǒng)。我們可以控制交通信號燈由PLC和MCGS組態(tài),取代原來的繼電器控制，提高該系統(tǒng)的壽命。與此同時(shí)，可以將此方法應(yīng)用到控制電機(jī)和液體的水平。遠(yuǎn)程控制和配置仿真的組合在一起，也可以應(yīng)用到類似的控制區(qū)域。</p><p><b>　　參考文獻(xiàn)</b></p><p>　　[1]Maman Avishay, Goldschlager Sharon,