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本科畢業(yè)論文-恒溫箱濕熱反饋控制系統(tǒng)的電路設計(參考版)

2025-01-19 15:15本頁面
  

【正文】 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 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。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。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。 35 35 參考文獻 [1]方康玲 .過程控制及其 MATLAB[M].北京 :電子工業(yè)出版社 ,2022 [2]陳朝夫,李杏彩 .單片機原理與應用 [M].北京 :化學工藝出版社 ,2022 [3]唐介 .電機拖動與控制基礎 [M].北京 :高等教育出版社 ,2022 [4]鄧興中 .機電傳動控制 [M].武漢:華中科技大學出版社 [5]沙占友 .單片機外圍電路設計 [M].北京 :電子工業(yè)大學出版社 [6]李軍 .51系列單片機系統(tǒng)高級實例開發(fā)指南 [M].北京 :北京航空航天大學 [7]李擎 .計算機控制系統(tǒng) [M].機械工業(yè)出版社 ,2022 [8]黨安明 ,張欽軍 .傳感器與檢測技術 [M].北京 :北京大學出版社 ,2022 [9]徐鳳霞,趙成安 .AT89C51單片機溫度控制系統(tǒng) [J].齊齊哈爾大學學報,2022,3 [10] Mano[M].《 Digital Design》( Third Edition) .Higher Education Press,2022 [11] Daniel[M].北京:電子工業(yè)出版社, 2022 [12] System[M].北京:電子工業(yè)出版社 36 36 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。大學生涯即將結束,對于這幾年來一直孜孜不倦地引導我學習的老師,我很想再次致以衷心的感謝,希望你們以后 身體健康,工作順利,培養(yǎng)更多優(yōu)秀的人才。在畢業(yè)設計論文的制作工程中,老師一直不遺余力地批閱我的論文,讓我一直都能及時地發(fā)現(xiàn)自己論文所出現(xiàn)的錯誤并及時改正。 34 34 致謝 幾經(jīng)周轉(zhuǎn),花費了三個多月的畢業(yè)設計已經(jīng)完成,對于這份畢業(yè)設計我頓時覺得我還是比較缺乏專業(yè)知識,與此同時,通過去完成整個畢業(yè)設計的同時,我也感受到自身知識的增長,對于單片機控制系統(tǒng)方面的了解和掌握,反饋控制的理解還有在傳感 器方面的更深刻的運用。 另外 ,在電路設計以及仿真工程中,也出現(xiàn)過,由于設置的值和環(huán)境溫度比較接近,從而使得系統(tǒng)直接默認了環(huán)境溫度就是用戶設置的溫度,導致這個電路會繼續(xù)保持不發(fā)出指令去控制制冷加熱系統(tǒng)的狀態(tài)。 主程序流程圖如 有圖 所示: 初始 開始 化 設溫濕度 采集計算 比較處理 顯示 結束 開始 27 27 溫度設定子程序流程圖如圖 42所示: 顯 示 溫 度溫 度 加 ?為 0 ℃ ?溫 度 減 1 ℃跳 到 9 9 ℃為 9 9 ℃ ?溫 度 加 1 ℃ 跳 到 0 ℃退 出返 回YYYYYNNNN溫 度 減 ?N 圖 42 溫度設定子程序流程圖 溫度采集計算子程序如圖 43所示: 28 28 9 字 節(jié) 完 ?移 入 溫 度 暫 存 器將 溫 度 數(shù) 據(jù) 轉(zhuǎn) 化 攝氏 溫 度 并 存 儲返 回D S 1 8 B 2 0 初 始 化發(fā) 跳 過 R O M 命 令寫 D S 1 8 B 2 0發(fā) 出 溫 度 轉(zhuǎn) 換開 始 命 令持 續(xù) 1 s , 等 待A D 轉(zhuǎn) 換讀 溫 度 前D S 1 8 B 2 0 初 始 化發(fā) 跳 過 R O M 命 令發(fā) 讀 取 溫 度 命令讀 取 溫 度 操 作YN 圖 43 溫度采集計算子程序流程圖 溫濕度比較處理子程序流程圖如圖 44所示 29 29 圖 44 溫濕度比較處理子程序流程圖 溫濕度顯示子程序如圖 45所示: 讀取實時溫濕度值 實時溫濕度與設定溫濕度相等嗎? 實時溫濕度比設定值大? 開啟制冷或去濕 開啟加熱或加濕 N 返回 N Y Y 選通十位地址,送顯示字符 延時約 12ms 選通個位地址,送顯示字符 延時約 12ms 返回 30 30 調(diào)試 仿真 仿真步驟 打開 新建一個設計 設置圖紙尺寸 畫出設計好的電路原理圖 通過 keil4軟件 ,編譯編寫好的程序,生成 .hex文件, 給 AT89C52 單片機加載 .hex文件 開始仿真 31 31 XTAL218XTAL119ALE30EA31PSEN29RST9P0.0/AD039P0.1/AD138P0.2/AD237P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P2.7/A1528P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.7/RD17P3.6/WR16P3.5/T115U180C51C310u+5R9200X1CRYSTALC130pC230pR1600R210k+5HEATLEDGREENCOOLLEDGREENR3300R4300+5v27.0DQ2VCC3GND1U2DS18B20+5vR510k23456789 1RP1RESPACK8+5v+5v+5v+5vR710kR810kR1010k+-R610k+5v實時溫度LEDGREEN設定溫度LEDGREENR1110kR1210k+5v 整體硬件仿真圖 32 32 仿真過程 , LED 數(shù)碼顯示管就會跳出兩位當前溫度的數(shù)字,然后一直閃爍,然后我們按下 “ +” 按鈕是,顯示管上面的溫度就是加 1 度;當我們按下 “ ” 按鈕時,顯
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