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本科畢業(yè)論文-交通十字路口紅綠燈控制系統(tǒng)-文庫吧資料

2025-01-22 14:51本頁面
  

【正文】 asing. In a word, the overall market trend is very unpredictable. Although China Guardian 2022 Spring Auctions has achieved remarkable results, it does not mean that the market has walked out of the predicament. We still have to wait for the big economic boom to invigorate the art market.‖ Even so, the hot pursuit of some special items appeared this spring. A special session of China Guardian Spring Auctions titled ―Fine Gilt—Bronze Buddhist Images‖ achieved a great deal with total sales volume of million yuan and 92 percent sale rate. The 5th Shamar Rinpoche Statue from 1617th century of Tibet was sold for million yuan. The Beijing Chengxuan Auctions featured almost 2,800 items of coins and stamps in three sessions with good sale rate. The Huachen Auctions also set a special session of photographs under the condition of largescale decline of auction sessions. There was a palpable dull thud of disappointment that acpanied the return of the imperial entourage of Zhen Huan to her homeland. It followed a couple years of hushed excitement as Chinese fans were fed tidbits about their proud concubine who was supposed to conquer the high ground of the North American market. Zhen Huan is, of course, the title character of The Legend of Zhen Huan, a 2022 television series that swept China off its feet and later took other Asian countries by storm. Two years ago, it was reported that HBO, a premium cable service headquartered in the United States, was going to air it in North America after some modification. Now, a condensed version that provides English subtitles but no dubbing has finally been made available on Netflix for online streaming. This version, highly anticipated as a milestone in China39。s Poly Theater. Their show, titled Ulan Muqir on the Grassland, depicted the history and development of the art troupe. Being from the region allowed me to embrace the culture of Inner Mongolia and being a member of the troupe showed me where I belonged, Nasun, the art troupe39。s performers of the troupe still tour the region39。t have a formal stage. The audience just sat on the grass. Usually, the performances became a big party with local people joining in. For him, the rewarding part about touring isn39。80s. We sat on the back of pickup trucks for hours. The sky was blue, and we couldn39。s Shaanxi province pass through a stop on the ancient Silk Road, Gansu39。 感謝我的同學和朋友,在我寫論文的過程中給予我了很多你問素材 。在此向幫助和指導過我的各位老師表示最中心的感謝! 感謝這篇論文所涉及到的各位學者。尤其要強烈感謝我的論文指導老師, 他 對我進行了無私的指導和幫助,幫助 我 進行論文的修改和改進。 致謝 感謝我的導師,老師您嚴謹細致、一絲不茍的作風一直是我工作中、學習中的榜樣;您循循善誘的教導和不拘一格的思路給予了我無盡的啟迪。 PLC 一般品牌都配備了實時時鐘,通過編程控制,可實現(xiàn)全天候無人管理的信號燈。因此,交通故障和城市交通擁堵越來越多,直接導致汽車的運行工況惡劣、交通時效低、能源浪費、汽車尾氣多余的排放等一系列交通問題,給生 活環(huán)境造成了巨大的影響,減緩了經(jīng)濟的發(fā)展。 (四) I/0 端口接線圖 四、軟件設計 (一)交通燈流程圖設計 X0 Y0 X1 Y1 X2 Y2 X3 Y3 X4 Y4 X5 Y5 X6 Y6 Y7 COM Y8 Y9 Y10 Y11 COM 24V GND 開始 東西綠燈 Y 東西綠燈亮 8s 東西綠燈閃亮 3s 東西黃燈亮 2s N 南北綠燈亮 8s 南北綠燈閃亮 3s 南北黃燈亮 2s 南北紅燈亮 15s 東西 紅燈亮 15s 南北的車流量小于 東西的車流量 南北的車流量 大于東西的 車流量 開始 南北方向為綠燈,東西方向為紅燈,持續(xù) 40 秒 比較南北與東西的車流量 南北為綠燈拍照,東西為紅燈,持續(xù) 55 秒 比較南北與東南北的綠燈閃爍 3 秒后變?yōu)辄S燈,且黃燈持續(xù) 2 秒,東西為紅燈 南北為紅燈,東西為綠燈拍照,計數(shù)清零,持續(xù) 55 秒 循環(huán)比較 南北的車流量小于 東西的出流量 南北的車流量大 于東西的車流 量 3.緊急通車 南北為綠燈拍照,東西為紅燈,持續(xù) 55 秒 南北的綠燈閃爍 3 秒后變?yōu)辄S燈,且黃燈持續(xù) 2 秒,東西為紅燈 南北為紅燈,東西為綠燈拍照,計數(shù)器清零,并且持續(xù) 55 秒 循環(huán)比較 南北的綠燈閃爍 3 秒后變?yōu)辄S燈,且黃燈持續(xù) 2 秒,東西為紅燈 南北為紅燈,東西為綠燈拍照,計數(shù)器清零,持續(xù) 55秒 循環(huán)比較 有急車 是 否 南北強通 人為調(diào)節(jié) 南北綠燈亮 東西紅燈亮 人為調(diào)節(jié) 東西綠燈亮 南北紅燈亮 東西強通 開始 正常運行 (二)梯形 圖設計 五、結(jié)論 隨著城市中城市汽車化進程的加快,我國城市中機動車輛的數(shù)目呈爆發(fā)式的增長。啟動和關閉兩個按鍵就是控制系統(tǒng)的啟動和停止。 FX2N64MR001 可編程控制器有著眾多優(yōu)點: ,對系統(tǒng)的穩(wěn)固具有良好的作用,對交通燈穩(wěn)定性有著重要保證; ,更易的去控制編程 3 具有可自由選擇,豐富的品種; ; 特殊用途; ; ; ,安全性高。 PLC 光電傳感器 車輛 檢測儀的輸出 信號的輸出 有車輛經(jīng)過 沒有車輛經(jīng)過 圖 1 檢測器工作原理和波形 圖 2 十字路口光電傳感器的鋪設情況 (二) 可編程控制器的選擇 本次實驗交通燈,設計的來自 FX2N64MR001 可編程控制器 FX2N64MR001 是 FX2N 系列中三菱 PLCFX 家族 中最先進的系列。進而完成對數(shù)據(jù)的統(tǒng)計工作。
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