屆本科畢業(yè)論文（設(shè)計(jì)）論文題目：純電動(dòng)汽車(chē)電控調(diào)速系統(tǒng)設(shè)計(jì)學(xué)生姓名：所在院系：所學(xué)專(zhuān)業(yè)：應(yīng)用電子技術(shù)教育指導(dǎo)老師：完成時(shí)間：摘要本論文以純電動(dòng)汽車(chē)直流無(wú)刷電機(jī)控制器為研究目的，詳細(xì)地?cái)⑹隽嘶赟TC12C5404AD型單片機(jī)控制的PWM調(diào)速控制系統(tǒng)的設(shè)計(jì)過(guò)程。在論文中簡(jiǎn)單介紹了單片機(jī)STC12C5404AD的結(jié)構(gòu)以及IGBT功率驅(qū)動(dòng)模塊的應(yīng)用；無(wú)刷直流電機(jī)的霍爾信號(hào)與邏輯驅(qū)動(dòng)信號(hào)的關(guān)系，利用此關(guān)系來(lái)控制電機(jī)的轉(zhuǎn)動(dòng)和方向；另外，本論文中對(duì)電機(jī)的一些保護(hù)功能如限流保護(hù)、欠壓保護(hù)、短路保護(hù)都是利用模塊的自帶功能來(lái)實(shí)現(xiàn)的，而剎車(chē)斷電、智能巡航、自動(dòng)定速、防飛車(chē)、防盜等保護(hù)功能是利用程序來(lái)實(shí)現(xiàn)，這樣使電路簡(jiǎn)單，成本降低。除此之外，還設(shè)計(jì)了系統(tǒng)的軟件流程，包括主程序流程設(shè)計(jì)，調(diào)速子程序流程設(shè)計(jì)。關(guān)鍵詞：純電動(dòng)汽車(chē)；STC12C5404AD；IGBT功率模塊；PWM控制ThepureelectricvehiclesspeedelectroniccontrolsystemdesignAbstractThisarticletakedevelopmentsthepureelectricautomobileconcurrentnottobrushtheelectricalmachinerycontrollerastheresearchgoal,narratedindetailhascontrolledthepureelectricautomobilesPWMvelocitymodulationcontrolsystemsdesignprocessbasedontheSTC12C5404ADmonolithicintegratedcircuit.ThepresentpaperintroducedthemonolithicintegratedcircuitSTC12C5404ADstructureaswellastheIGBTpoweractuationmoduleapplicationindetail；IntroducednotbrushesdirectcurrentmachinesHallsignalandlogicdrivingsignalrelations,usesthisrelationstocontrolelectricalmachinerysrotationandthedirection；Moreover,inthepresentpapertoelectricalmachineryssomeprotectionfunctionlikecurrentlimitingprotection,theundervoltageprotection,theshortcircuitprotectionisrealizesusingthemodulebringingfunction,butgetsonthebrakesthepowerfailure,theintelligentcruise,theautomaticconstantspeed,againstspeedingcar,securityandsoonprotectionfunctionsisrealizesusingtheprocedure,likethismakestheelectriccircuittobesimple,costreduction.Inaddition,butalsohasdesignedsystemssoftwareflow,includingmasterroutineflowdesign,velocitymodulationsubroutineflowdesign.Keywords:thepureelectricautomobile；STC12C5404AD；IGBTpowermodule,PWMcontrols目錄1引言.12設(shè)計(jì)方案.12.1電機(jī)的選擇.12.2控制器的選擇.22.3PWM調(diào)制方式.23系統(tǒng)結(jié)構(gòu)框圖.34單片機(jī)外圍器件的設(shè)計(jì).44.1電源電路.44.2單片機(jī)主控制電路.44.2.1SoC型單片機(jī)STC12C5404AD.54.2.2ISP電路.64.2.3IGBT驅(qū)動(dòng)模塊.74.3調(diào)速器輸入電路.74.4控制模擬器.84.5換相邏輯接口.94.6IGBT驅(qū)動(dòng)電路.104.7無(wú)刷電機(jī)驅(qū)動(dòng)電路.114.8防盜報(bào)警.124.9保護(hù)電路.135軟件設(shè)計(jì)與分析.135.1主程序流程圖.135.2PWM頻率.