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1、襄樊學(xué)院畢業(yè)論文(設(shè)計(jì))論文題目:基于AVR單片機(jī)的智能滅火小車的設(shè)計(jì)EnglishTopic:TheDesignofIntelligentFire-fightingCarBasedonAVRMCU系別:物理與電子信息工程學(xué)院專業(yè):07自動(dòng)化班級(jí):0711學(xué)號(hào):07111056學(xué)生姓名:章振保指導(dǎo)教師:賈巍2011年月日II基于AVR單片機(jī)的智能滅火小車的設(shè)計(jì)摘要:隨著社會(huì)與國家的發(fā)展,現(xiàn)代火災(zāi)及時(shí)補(bǔ)救已成為迫在眉睫需要解決的問題,救火早一刻就少一分損失,消防救援人員固然速度已經(jīng)很快,但也需要一段不小的時(shí)間,而且進(jìn)入救火現(xiàn)場還有生命危險(xiǎn)的可能,于是滅火智能小車
2、的理念誕生了。本設(shè)計(jì)主要就是針對(duì)消防智能技術(shù)的制作與研究,小車以ATMEGA128單片機(jī)為控制核心,加以電源電路、電機(jī)驅(qū)動(dòng)、光電傳感電路、火焰檢測電路、滅火風(fēng)扇以及其它電路構(gòu)成。電源電路提供系統(tǒng)所需的工作電源,光電對(duì)管完成尋跡和避障,光敏電阻傳感器檢測火焰,采集到的數(shù)據(jù)通過ATMEGA128單片機(jī)處理傳輸?shù)綄S秒姍C(jī)驅(qū)動(dòng)芯片驅(qū)動(dòng)電機(jī)控制小車的前進(jìn)后退以及轉(zhuǎn)向,最終啟動(dòng)滅火風(fēng)扇進(jìn)行滅火。本論文進(jìn)行整體的硬件設(shè)計(jì),并編寫了軟件程序框圖,制作的消防小車具有簡易滅火功能,達(dá)到了實(shí)現(xiàn)現(xiàn)場滅火的目的,設(shè)計(jì)較好地完成了課題目標(biāo)。關(guān)鍵詞:ATMEGA128單片機(jī);傳感器;智能滅
3、火小車;直流電機(jī);尋跡IITheDesignofIntelligentFire-fightingCarBasedonAVRMCUAbstract:Withthesocialandnationaldevelopment,theinevitablefiresavarietyofdangerousplacesfrequently,totheSocialSecuritycreatedalotofhiddendangers,sothemodernfireremediedintime,hasbecomeanurgentneedtoaddresstheproblem,the
4、fireAsearlyasthemomenttocurbing,firerescuepersonnelofcourse,speedhasbeenfast,butitalsoneedsabigtime,andenterthefirescenethereisthepossibilityoflife-threatening,sowasborntheconceptoffire-fightingcar,stupiddesignismainlyfortheproductionoffire-fightingcarr,carinordertoATMEGA128microcon
5、trollertocontrolthecore,Topowersupplycircuits,motordrives,photoelectricsensorcircuit,theflamedetectioncircuit,firefans,andothercircuit.Powercircuittoprovidethenecessaryworkingpowersupplysystems,special-purposemotordriverchipdrivescarforwardbackwardmotorcontrol,aswellassteering,photo
6、electrictracingthecompletionofthetubeandavoidobstacles,andphotosensitiveresistancesensordetectsflame,fire-fightingfansputoutthefire.Thisdesignproducedasimplecarfireextinguishingcapabilitiestoachievetherealizationofon-sitefire-fightingpurposes,thedesigngoalofabetterwaytocompleteatask
7、.Keywords:ATMEGA128MCU;Sensor;Smartcarfire;DC;TracingII目錄1緒論11.1智能滅火小車控制系統(tǒng)的設(shè)計(jì)背景和意義11.2智能滅火小車控制系統(tǒng)的目標(biāo)11.3主要內(nèi)容12系統(tǒng)設(shè)計(jì)及方案比較22.1整體方案設(shè)計(jì)22.2硬件實(shí)現(xiàn)方案22.3硬件總體設(shè)計(jì)方案62.4軟件總體設(shè)計(jì)方案73硬件單元電路設(shè)計(jì)83.1電源電路83.2微控制器模塊的設(shè)計(jì)83.3電機(jī)驅(qū)動(dòng)電路的設(shè)計(jì)113.4舵機(jī)轉(zhuǎn)向模塊設(shè)計(jì)133.6火焰檢測電路的設(shè)計(jì)173.7滅火與音報(bào)警系統(tǒng)的設(shè)計(jì)184軟件實(shí)現(xiàn)204.1軟件開發(fā)平臺(tái)介紹204.2主程序流程圖204
8、.3尋跡程序流程圖214.4滅火程序流