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1、汽車倒車防撞系統(tǒng)汽車倒車雷達論文-40-汽車倒車防撞系統(tǒng)汽車倒車防撞系統(tǒng)摘要隨著社會經(jīng)濟的發(fā)展交通運輸業(yè)日益興旺,汽車的數(shù)量在大副攀升。交通擁擠狀況也日趨嚴重,撞車事件屢屢發(fā)生,造成了不可避免的人身傷亡和經(jīng)濟損失,針對這種情況,設(shè)計一種響應(yīng)快,可靠性高且較為經(jīng)濟的汽車防撞預(yù)警系統(tǒng)勢在必行,超聲波測距法是最常見的一種距離測距方法,本文介紹的就是利用超聲波測距法設(shè)計的一種倒車防撞報警系統(tǒng)。論文的內(nèi)容是基于STC89C52單片機倒車防撞系統(tǒng)的設(shè)計,主要是利用超聲波的特點和優(yōu)勢,將超聲波測距系統(tǒng)和STC89C52單片機結(jié)合于一體,設(shè)計出
2、一種基于STC89C52單片機的倒車防撞報警系統(tǒng)。該系統(tǒng)采用軟、硬件結(jié)合的方法,具有模塊化和多用化的特點。論文概述了超聲波檢測的發(fā)展及基本原理,闡述了超聲波傳感器的原理及特性。對于系統(tǒng)的一些主要參數(shù)進行了討論,并且在介紹超聲波測距系統(tǒng)功能的基礎(chǔ)上,提出了系統(tǒng)的總體構(gòu)成。通過多種發(fā)射接收電路設(shè)計方案比較,得出了最佳設(shè)計方案,并對系統(tǒng)各個設(shè)計單元的原理進行了介紹。對組成各系統(tǒng)電路的芯片進行了介紹,并闡述了它們的工作原理。論文介紹了系統(tǒng)的軟件結(jié)構(gòu),通過編程來實現(xiàn)系統(tǒng)功能。最后,通過對系統(tǒng)的誤差分析,給出了系統(tǒng)的改進方案。關(guān)鍵字單片機/
3、超聲波/STC89C52-40-汽車倒車防撞系統(tǒng)AbstractIsdaybydayprosperousalongwiththesocialeconomydevelopmenttransportationshippingindustry,theautomobilequantityclimbsinthefirstmate.Trafficcongestionconditionalsodaybydayserious,thecollisioneventoccurredrepeatedly,hascausedtheinevitablepe
4、rsoncasualtiesandtheeconomicloss,inviewofthiskindofsituation,designedonekindtorespondquickly,thereliabilitywashighalsoamoreeconomicalautomobileguardsagainsthitstheearlywarningsystemimperative,theultrasonicwaverangefindingwasthemostcommononedistancerangefindermethod,t
5、hisarticleintroducesisguardsagainstusingtheultrasonicwaverangefindingdesignonekindofback-drafthitsthealarmsystem.ThepaperisbasedonthecontentsoftheAT89C51monolithicintegratedcircuitreversecollisionavoidancesystemdesign,mainlyusingultrasoundfeaturesandadvantages,ultras
6、oundrangingsystemandtheintegrationwiththeintegrationAT89C51monolithicintegratedcircuit,AT89C51monolithicintegratedcircuitbasedonthedesignofareversecollisionavoidancewarningsystems.Thesystemusedsoftwareandhardwareintegratedapproachofamodularandmulti-usecharacteristics
7、.Thepaperoutlinesthedevelopmentandthebasicprinciplesofultrasoundtestsontheprinciplesandcharacteristicsofultrasoundsensors.Someofthemainparametersforthesystemwerediscussed,andintroducingultrasonicrangingsystemfunctionsbasis,theoverallcompositionofthesystem.Throughmult
8、iplelaunchreceptioncircuitdesigncomparison,thebestdesignedprogrammedrawn,andvarioussystemdesignmodulesprinciplesintroduced.Onthecom