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本科畢業(yè)論文-基于plc的智能交通燈控制系統(tǒng)設計(文件)

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【正文】 T3 105 ANI T4 106 OUT Y002 107 LD T4 108 OR Y003 智能交通燈設計 27 109 ANI T0 110 OUT Y001 111 LD T4 112 OR Y004 113 ANI T2 114 OUT Y004 115 LD T4 116 CALL P11 119 LD M4 120 OR Y001 121 ANI T6 122 AND T10 123 OUT Y001 124 LD T6 125 ANI T7 126 OUT Y002 127 LD T7 128 OR Y003 129 ANI T0 130 OUT Y003 131 LD T7 132 OR Y004 133 ANI T2 134 OUT Y004 135 LD T7 136 CALL P11 139 LD M2 140 OR Y001 141 ANI T6 智能交通燈設計 28 142 AND T10 143 OUT Y001 144 LD T6 145 ANI T7 146 OUT Y002 147 LD T7 148 OR Y003 149 ANI T0 150 OUT Y003 151 LD T7 152 ANI T2 153 OUT Y004 154 LD T7 155 CALL P11 158 LD T7 159 ANI T11 160 OUT T10 K5 163 LD T10 164 OUT T11 K5 167 FEND 168 P10 169 LDP X000 171 MOV K0 D1 176 MOV K0 D2 181 MOV K0 D3 186 MOV K0 D4 191 LD X001 192 INCP D1 195 LD X002 智能交通燈設計 29 196 INCP D2 199 LD X003 200 INCP D3 203 LD X004 204 INCP D4 207 LD T1 208 ADD D1 D2 D5 215 LD T1 216 ADD D3 D4 D6 223 P11 224 LD T7 225 RST D1 228 RST D2 231 RST D3 234 RST D4 237 END 238 在此次程序的設計過程中需要考慮到幾個問題,第一是關于各個交通信號燈之間的聯(lián)鎖及互鎖,例如,南北方向的綠燈與東西方向的紅燈應該是聯(lián)鎖的關系,及假設南北方向的綠燈亮,則東西方向的紅燈必須亮,南北方向的綠燈與東西方向的綠的不能同時亮。因此在程序編制過程中,會考慮到將此程序模塊化,到要用是可以直接調(diào)用。 運行與調(diào)試 本系統(tǒng)第一次在三菱軟件編程系統(tǒng)中模擬運行時,沒有達到預期設計的效果。 智能交通燈設計 31 第四章 設 計 總 結 設計接近尾聲,針對本設計的設計初衷和設計的過程,有許許多多 值得我們反思和要注意的地方。 而對于本設計,它是立足于基本交通燈的設計思路之上,將基本交通燈控制系統(tǒng)稍作改變,從而實現(xiàn)交通智能控制的控制系統(tǒng)。這種設計的好處是不僅能夠有效的緩解路面的交通壓力,控制車流量,而且可以節(jié)約大量的交通資源,做到交通資源合理利用。如果能統(tǒng)計出出流量來進行比較,那么將會更加接近實際的情況,控制的效果也會更好。由于它的設計思路是在原交通控制燈的基礎上改進而來,這使得對于本系統(tǒng)的維護和操作也是比較方便的,不必進行特殊的培訓 和指導。通過對徐老師早期給我們資料的分析,讓我 對于此次設計的整體框架有了一個大概的了解,這也構成了我 們之后每一步設計走向的基礎。回首設計的過程,回首經(jīng)歷的種種,也算是為我四年的大學生活畫上一個完整的句號。s Zhangye city during their journey to Kazakhstan, May 5, 2022. The caravan, consisting of more than 100 camels, three horsedrawn carriages and four support vehicles, started the trip from Jingyang county in Shaanxi on Sept 19, 2022. It will pass through Gansu province and Xinjiang Uygur autonomous region, and finally arrive in Almaty, formerly known as AlmaAta, the largest city in Kazakhstan, and Dungan in Zhambyl province. The trip will cover about 15,000 kilometers and take the caravan more than one year to plete. The caravan is expected to return to Jingyang in March 2022. Then they will e back, carrying specialty products from Kazakhstan A small art troupe founded six decades ago has grown into a household name in the Inner Mongolia autonomous region. In the 1950s, Ulan Muqir Art Troupe was created by nine young musicians, who toured remote villages on horses and performed traditional Mongolian music and dances for nomadic families. The 54yearold was born in Tongliao, in eastern Inner Mongolia and joined the troupe in says there are 74 branch troupes across Inner Mongolia and actors give around 100 shows every year to local nomadic people. I can still recall the days when I toured with the troupe in the early 39。t just about sharing art with nomadic families but also about gaining inspiration for the music and dance. Ulan Muqir literally translates as red burgeon, and today39。s president, who is also a renowned tenor, tells China Daily. During a tour in 1985, he went to a village and met an elderly local man, who told him a story about his friendship with a solider from Shenyang, capital of Northeast China39。s villages and entertain nomadic families, but their fame has spread around the world. On May 16 and 17, nearly 100 singers and dancers from the troupe performed at Beijing39。t help but sing the folk songs, Nasun says. The vastness of Inner Mongolia and the lack of entertainment options for people living there, made their lives lonely. The nomadic people were very excited about our visits, Nasun recalls. We didn39。 設計者:張岳 日期: 2022 年 5 月 日 智能交通燈設計 34 為你提供優(yōu)秀的畢業(yè)論文參考資料,請您刪除以下內(nèi)容, O(∩ _∩ )O 謝謝!??! A large group of tea merchants on camels and horses from Northwest China39。在整體的程序編程過程中,由于我對于整個程序所用到的知識不了解,徐老師給我的資料給了我極大的幫助,讓我 少走了許多彎路?;厥走@ 3 個月來的的點點滴滴,還是有許許多多的感受涌上心頭。 最后,我們小組根據(jù)設計的相關硬件要求,大約估算了一下施工成本。例如,如果能將幾個交通路口的車流量數(shù)據(jù)集中起來,做到數(shù)據(jù)共享,從而根據(jù)幾個交通路口的數(shù)據(jù)來智能的控制交通燈,那么這樣的話,緩解車流 量的效果會更加明顯,效果會更加好,智能化程度會更高。本設計的設計思路是通過將交通控制時間加以細分,分段進行比較。現(xiàn)在普通交通燈控制系統(tǒng)的設計思路是在預先人工設置參數(shù)的基礎上循環(huán)的交換南北兩方向的交通燈讀秒時間。調(diào)整之后再次運行時,本系統(tǒng)基本上能夠模擬十字路口交通燈的運行狀態(tài),在輸入十字路口車流量的模擬信號后,系統(tǒng)能夠做出預期設計的反映。第三個是關于計數(shù)器清零的問題,每當一邊的燈由綠燈變?yōu)辄S燈再變?yōu)榧t燈的過程 智能交通燈設計 30 中,計數(shù)器都應該清零。與此相同,東西方向與南 北方向應該有相同的聯(lián)鎖關系。 ,東西方向為紅燈,進過 30s 后,南北方向依然為綠燈,東西方向依然為紅燈;在經(jīng)過 30s 后,南北方向還是綠燈,東西方向還是紅燈;在經(jīng)過第三個 30s 后,南北方向的綠燈開始閃爍,接著變?yōu)辄S燈,再變?yōu)榧t燈,而東西方向則由紅燈變?yōu)榫G燈。而東西南北每個方向各有一個光電計數(shù)器,加上啟動按鈕 和停止按鈕,也就是輸入端口必須有 6 個。實際上,還可以通過計數(shù)器來統(tǒng)計各個人行道的人流量來更加精確的計算各個通道的通行時間,但是這里涉及到的計算相當復雜,而且實現(xiàn)的成本也比較高,在此設計中尚不做考慮。并且不管對于那一方向,在有綠燈變?yōu)榧t燈這一過程中 ,綠燈必須持續(xù)閃爍 3s,且黃燈必須持續(xù) 2
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