【正文】 統(tǒng)加入電壓跟隨器來改善。不過此設(shè)計(jì)也有很多不足之處，測(cè)量時(shí)要在容器的底部開口才能讀出壓力，還可以加入報(bào)警系統(tǒng)，當(dāng)測(cè)量超出范圍時(shí)，系統(tǒng)自動(dòng)報(bào)警。 31 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 8 總結(jié)與體會(huì) 綜合上述各部分的測(cè)試結(jié)果，本設(shè)計(jì)完成了課程設(shè)計(jì)的大多數(shù)的要求。 這次智能綜合設(shè)計(jì)歷時(shí)接近一個(gè)月，在這期間可以說是苦多于甜，但是可以學(xué)到很多很多的東西， 不僅可以鞏固以前所學(xué)過的知識(shí)，而且學(xué)到了很多書本上沒有接觸過的知識(shí)。通過畫程序方框圖可以使我們對(duì)所要完成的每一步任務(wù)都有一個(gè)很清楚的思路，讓我們明白每一步的任務(wù)，同時(shí)在程序測(cè)試的過程中也有利于查錯(cuò)。 這次課程 設(shè)計(jì)終于順利完成了，在設(shè)計(jì)中遇到了很多編程問題，最后在同學(xué)們的幫助下并且查閱了很多相關(guān)的資料才得以解決。本次設(shè)計(jì)使我深刻認(rèn)識(shí)到自己軟件編程方面的知識(shí)薄弱，同時(shí)也使我體會(huì)到軟件編程在實(shí)際硬件電路連接中的重要作用，軟件編程的使用使硬件開銷大大減少，同時(shí)也使設(shè)計(jì)更加的簡潔易于控制，在今后的學(xué)習(xí)中我們會(huì)加強(qiáng)軟件編程方面知識(shí)的積累和運(yùn)用，會(huì)更加注重理論與 實(shí)際的結(jié)合。通過這次課程設(shè)計(jì)自己看到了許多工程和一些產(chǎn)品中的要求，讓自己明白了自己現(xiàn)在缺乏很多工程意識(shí)和思考問題的全面性。在設(shè)計(jì)過程中他為我們提供了很多的幫助和指導(dǎo)。 sbit wr=P3^6。 void delay(uint z) { uint x,y。x0。y0。 } void adopen()//adc0804 初始化 { wr=1。 wr=1。 rd=0。 i=i。 rd=1。//設(shè)置定時(shí)器 1 為工作方式 2 TH1=0xfd。 TR1=1。//串口始能 REN=1 時(shí)允許串行口接收數(shù)據(jù) SM0=0。 EA=1。//串口通斷 } void main() { initial()。 if(flag==1) { ES=0。 SBUF=j/2。 TI=0。 } } } void ser() interrupt 4//串口中斷 { 37 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 while(TI)。 } 上位機(jī) VB 部分程序如下： Dim i As Single Dim j As Integer Dim k As Integer Dim d(1) As Byte Dim b As Long Dim c As Double Dim summ As Double Dim e(20) As Double Private Sub Combo1_click() = + 1 39。打開串口 End Sub Private Sub Command10_Click() End End Sub Private Sub Form_Load() 39。串口通訊初始化：波特率為 9600，沒有校驗(yàn)位，八位數(shù)據(jù)傳送，一位停止位 = 1 = InputModeText 39。程序的核心部分： VB 的串口通訊控件MSComm Dim a As String Select Case Case EvReceive 39。收 20 個(gè)數(shù)據(jù)取平均值再顯示出來 減小抖動(dòng) j = j + 1 If j = 19 Then = False For k = 0 To 19 summ = summ + e(k) Next k c = summ / 20 summ = 0 i = (c / 255) * 10 If i Then = 0 = 0 38 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 Else = i * = * i * End If = True j = 0 End If End Select 39 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 附錄 3 元器件清單 元器件清單如下表 1： 品名 單位 單價(jià)（元） 數(shù)量 價(jià)格（元） STC89C52 個(gè) 6 1 6 ADC0804 個(gè) 10 1 10 MAX232 個(gè) 2 2 4 串口母頭 套 2 1． 6 USB轉(zhuǎn)串口線 根 20 1 20 面包板 塊 4 2 8 排線 米 若干 壓力傳感器 D3B 個(gè) 25 1 25 晶振 個(gè) 2 1 合計(jì) 表 1：元器件清單表 由于這次的設(shè)計(jì)所用的電阻電容是在實(shí)驗(yàn)室找的而且很便宜就沒有計(jì)算在成本內(nèi)，總的來說這次設(shè)計(jì)的智能液位傳感器成本還在預(yù)算范圍內(nèi)。t agree with the disciplinary action your employer has taken against you ? your employer dismisses you and you think that you have been dismissed unfairly. For more information about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。s antiracism taskforce, is in London for the Football Association39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s 21 win. Michel Platini, president of European football39。s actions. CSKA said they were surprised and disappointed by Toure39。 May be back in the past, to oneself the paranoid weird belief 41 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開頭的年齡已經(jīng)到了尾聲?？傆X得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。 The end of our life, and can meet many things really do? 而窮盡我們的一生，又能遇到多少事情是真正地非做不可？ During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。t really grow up, it seems is not so important。t want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has already can39。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual. 一個(gè)人的時(shí)候，自己的想法總是特別地清晰。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但更多的時(shí)候是最后又打起了退堂鼓。那些曾經(jīng)所謂的非做不可，只是青蔥年華里自己給自己注射的一支強(qiáng)心劑，或者說，是自以為是的精神寄托罷了。 Those were broken into various shapes of stationery。 Have declared the end of the encounter that haven39。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的友誼；還有那場(chǎng)還沒有開始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可，終于和青春一樣，都將在我們的人生中謝幕。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps for the big jump 43 西華大學(xué)電氣信息學(xué)院智能化測(cè)控應(yīng)用系統(tǒng)設(shè)計(jì)報(bào)告 When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39