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《基于單片機(jī)的電機(jī)轉(zhuǎn)速測量系統(tǒng)設(shè)計論文_學(xué)位論文.doc》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、哈爾濱理工大學(xué)學(xué)士學(xué)位論文學(xué)士學(xué)位論文基于單片機(jī)的電機(jī)轉(zhuǎn)速測速系統(tǒng)的設(shè)計摘要在工程實(shí)踐中,經(jīng)常會遇到各種需要測量轉(zhuǎn)速的場合,測量轉(zhuǎn)速的方法分為模擬式和數(shù)字式兩種。模擬式采用測速發(fā)電機(jī)為檢測元件,得到的信號是模擬量。數(shù)字式通常采用光電編碼器,霍爾元件等為檢測元件,得到的信號是脈沖信號。隨著微型計算機(jī)的廣泛應(yīng)用,特別是高性能價格比的單片機(jī)的出現(xiàn),轉(zhuǎn)速測量普遍采用以單片機(jī)為核心的數(shù)字式測量方法。本文便是運(yùn)用AT89C51單片機(jī)控制的智能化轉(zhuǎn)速測量儀。電機(jī)在運(yùn)行過程中,需要對其進(jìn)行監(jiān)控,轉(zhuǎn)速是一個必不可少的一個參數(shù)。本系統(tǒng)就是對電機(jī)轉(zhuǎn)速進(jìn)行測量,并可以和PC機(jī)進(jìn)行通信,顯
2、示電機(jī)的轉(zhuǎn)速,并觀察電機(jī)運(yùn)行的基本狀況。本設(shè)計主要用AT89C51作為控制核心,由霍爾傳感器、LED數(shù)碼顯像管、HIN232CPE電平轉(zhuǎn)換、及RS232構(gòu)成。詳細(xì)介紹了單片機(jī)的測量轉(zhuǎn)速系統(tǒng)及PC機(jī)與單片機(jī)之間的串行通訊。充分發(fā)揮了單片機(jī)的性能。本文重點(diǎn)是測量速度并顯示在5位LED數(shù)碼管上。其優(yōu)點(diǎn)硬件是電路簡單,軟件功能完善,測量速度快、精度高、控制系統(tǒng)可靠,性價比較高等特點(diǎn)。關(guān)鍵詞MSC-51(單片機(jī));轉(zhuǎn)速;傳感器-II-哈爾濱理工大學(xué)學(xué)士學(xué)位論文[89C51basedonthespeedmeasurementsysteminthedesign]Abstract
3、Intheprojectpractice,wewillmeeteachkindtoneedfrequentlytosurveytherotationalspeedthesituation,thesurveyrotationalspeedmethoddividesintothesimulationtypeandthedigitaltwokinds.Thesimulationtypeusesmeasuredthatthefastgeneratoristhedetectingelement,obtainsthesignalsimulatesthequantity.Dig
4、italusuallyusestheelectro-opticalencoder,theHallpartandsoonisthedetectingelement,obtainsthesignalisthesignalimpulse.Alongwithmicrocomputer'swidespreadapplication,speciallyhighperformancepricecomparedtomonolithicintegratedcircuit'sappearance,thetachometricsurveyusesgenerallytakethemono
5、lithicintegratedcircuitasthecoredigitalmeasuringtechniqueIgraduatedfromtheDesignoftheissueiscontroloftheintelligentuseofSCMspeedmeasuringinstrument.Thesystemisthemotorspeedmeasurement,andPCandcancommunicatethatthemotorspeed,andtoobservethemotorrunningthebasicsituation.ThemaindesignAT8
6、9C51controlasthecore,bytheHallsensor,LEDdigitalCRT,HIN232CPE-levelconversion,andaRS232.DetailedmeasurementsofthespeedoftheSCMsystemandPCandtheserialcommunicationbetweenthemicrocontroller.GivefullplaytotheperformanceoftheSCM.ThispaperistomeasurethespeedanddisplayedinfiveLEDdigitalpipe.
7、Theadvantageofasimplehardwareandsoftwarecapabilitiesimprove,measuringspeed,highprecisionandcontrolsystemreliable,cost-effectiveandsoon.KeywordsSC-51(One-chipcomputer);sensor;Tachometer不要刪除行尾的分節(jié)符,此行不會被打印-II-哈爾濱理工大學(xué)學(xué)士學(xué)位論文目錄摘要……IAbstractII第1章緒論51.1課題背景51.2國內(nèi)外發(fā)展水平51.3單片機(jī)測控系統(tǒng)61.4轉(zhuǎn)速測量在國民經(jīng)濟(jì)中
8、的應(yīng)用71