基于單片機(jī)汽車倒車測(cè)距儀的設(shè)計(jì)論文-全文預(yù)覽
【正文】 .........................................................................8 AT89C51單片機(jī)的介紹 ...............................................................................................9 AT89C51單片機(jī)概述 ........................................................................................9 AT89C51單片機(jī)特點(diǎn) ......................................................................................9 AT89C51單片機(jī)的引腳圖 ............................................................................... 10 第四章 汽車倒車測(cè)距儀的硬件設(shè)計(jì) .................................................................................. 10 總體設(shè)計(jì)思路 .......................................................................................................... 10 .................................................................................. 11 發(fā)射電路的設(shè)計(jì) ............................................................................................ 11 接收電路的設(shè)計(jì) ............................................................................................ 12 顯示模塊的設(shè)計(jì) .............................................................................................. 13 第五章 超聲波汽車倒車測(cè)距儀軟件設(shè)計(jì) .............................................................................. 14 主程序編制及流程圖 .............................................................................................. 14 延時(shí)程序的編制 ....................................................................................................... 14 中斷服務(wù)程序的流程圖及編制 .................................................................................. 15 第六章 總結(jié) .............................................................................................................. 16 致謝 ...................................................................................................................................... 17 參考文獻(xiàn) ............................................................................................................................... 17 基于單片機(jī)汽車倒車測(cè)距儀的設(shè)計(jì) 汽車倒車測(cè)距儀的設(shè)計(jì) 摘 要 ： 超聲波具有指示性強(qiáng)，能量消耗緩慢，傳播距離較遠(yuǎn)等優(yōu)點(diǎn)，所以，在利用傳感器技術(shù)和自動(dòng)控制技術(shù)相結(jié)合的測(cè)距方案中，超聲波測(cè)距是目前應(yīng)用最普遍的一種，它廣泛應(yīng)用于防盜、倒車?yán)走_(dá)、水位測(cè)量、建筑施工工地以及一些工業(yè)現(xiàn)場(chǎng)。 關(guān)鍵詞： AT89C51 單片機(jī) 超聲波 測(cè)距 基于單片機(jī)汽車倒車測(cè)距儀的設(shè)計(jì) The design of car parking rangefinder Abstract: Ultrasonic wave has strong pointing to nature, slowly energy consumption, propagating distance farther, so, in utilizing the scheme of distance finding that sensor technology and automatic control technology bine together, ultrasonic wave finds range to use the most general one at present, it applies to guard against theft, move backward the radar, water level measuring, building construction site and some industrial scenes extensively. This subject has introduced principle and characteristic of the ultrasonic sensor in detail, and the performance and characteristic of onechip puter AT89C51 of Atmel Company, and on the basis of analyzing principle that ultrasonic wave finds range, the systematic thinking and questions needed to consider that have pointed out that designs and finds range, provide low cost
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