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1、課程設(shè)計(jì)說(shuō)明書課程設(shè)計(jì)名稱：電子信息工程專業(yè)課程設(shè)計(jì)課程設(shè)計(jì)題目：基于單片機(jī)的無(wú)線遙控及避障小車學(xué)院名稱：信息工程學(xué)院專業(yè)：電子信息工程班級(jí)：100401學(xué)號(hào)：10041324姓名：童海深評(píng)分：教師：陳瓊2013年7月3日30電子信息工程專業(yè)課程設(shè)計(jì)任務(wù)書2012－2013學(xué)年第2學(xué)期 第16周－19周題目基于單片機(jī)的無(wú)線遙控及避障小車內(nèi)容及要求（1）具有避障、遙控模式可切換的功能（2）遇到障礙物的時(shí)候在避障模式小車可以自行避障（3）切換成遙控模式時(shí)，可以通過(guò)手持把柄進(jìn)行用戶自定義控制，具備前進(jìn)、后退、左轉(zhuǎn)、右轉(zhuǎn)、停止等基本功能。進(jìn)度安排：第一周查閱資料，確
2、定方案；注意：學(xué)生的設(shè)計(jì)方案需經(jīng)指導(dǎo)老師檢查通過(guò)后方可進(jìn)實(shí)驗(yàn)室進(jìn)行制作。第二周集中培訓(xùn)；第三周設(shè)計(jì)制作，軟件編程；第四周電路調(diào)試，撰寫報(bào)告。學(xué)生姓名：童海深指導(dǎo)時(shí)間：第16~19周指導(dǎo)地點(diǎn)：E樓311室任務(wù)下達(dá)2013年6月10日任務(wù)完成2013年7月5日考核方式1.評(píng)閱□ 2.答辯□3.實(shí)際操作□ 4.其它□指導(dǎo)教師陳瓊系（部）主任賈杰30摘要小車在當(dāng)今的學(xué)生中非常盛行，多出現(xiàn)在可與制作及比賽中。因此本設(shè)計(jì)采用了無(wú)線遙控及避障小車這個(gè)課題。小車涉及硬件和軟件兩部分的設(shè)計(jì)。硬件上，首先根據(jù)課題要求選擇合適的車模，為后續(xù)工作搭設(shè)計(jì)基礎(chǔ)平臺(tái)；其次，對(duì)車體的機(jī)械結(jié)
3、構(gòu)進(jìn)行了設(shè)計(jì)與制作，以滿足電路板、傳感器的安裝，美觀等要求；最后，對(duì)系統(tǒng)的控制電路、驅(qū)動(dòng)電路、傳感器電路等各部分電路進(jìn)行了設(shè)計(jì)和調(diào)試，采用了STC89C52作為系統(tǒng)的控制芯片，其中最主要的技術(shù)是利用紅外避障傳感器對(duì)障礙物進(jìn)行掃描，實(shí)現(xiàn)避障和無(wú)線遙控的操作，并使用APC220無(wú)線模塊對(duì)小車經(jīng)行無(wú)線控制，諾基亞5110液晶顯示行駛狀態(tài)。軟件方面，主要使用了串口通信,IIC總線通信，鍵盤掃描，定時(shí)中斷等函數(shù)，以保證系統(tǒng)的準(zhǔn)確控制。同時(shí)，應(yīng)用差速對(duì)方向進(jìn)行控制，保證車體及時(shí)轉(zhuǎn)彎與運(yùn)行。關(guān)鍵詞避障傳感器無(wú)線模塊APC220無(wú)線模塊履帶車模30目錄摘要·········
4、·····················································3第一章設(shè)計(jì)任務(wù)及要求·············································41.1設(shè)計(jì)任務(wù)························································61.2設(shè)計(jì)要求·······················································6第二章方案論證與選擇···································
5、········72.1總體方案·······················································72.2各模塊方案選擇與論證············································72.2.1主芯片選擇················································7302.2.2電源的選擇················································82.2.3電機(jī)驅(qū)動(dòng)的選擇····················
6、·······················82.2.4避障方式選擇·············································92.2.5液晶顯示選擇·············································10第三章系統(tǒng)硬件設(shè)計(jì)············································113.1電源···························································113.1.1主控電路電源···········
7、··································113.1.2電機(jī)7.2V電源············································113.1.2紅外避障模塊電源·········································113.2電機(jī)驅(qū)動(dòng)電路··················································11303.3紅外避障傳感器電路············································123.4液晶顯示電路·
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