单片机交通灯中英文资料对照外文翻译文献精品管理资料.docx

单片机交通灯中英文资料对照外文翻译文献精品管理资料.docx

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单片机交通灯中英文资料对照外文翻译文献精品管理资料

单片机交通灯

中英文资料对照外文翻译文献

原文

题目:

DESIGNOFTRAFFICLIGHTBASEDONMCU

Becauseoftherapiddevelopmentofoureconomyresultinginthecarnumberoflargeandmedium—sizedcitiessurgedandtheurbantraffic，isfacingserioustest，leadingtothetrafficproblemincreasinglyserious,itsbasicallyarebehavedasfollows：

trafficaccidentfrequency，tothehumanlifesafetyenormousthreat,Trafficcongestion，resultinginserioustraveltimeincreases，energyconsumptionincrease；Airpollutionandnoisepollutiondegreeofdeepening,etc.Dailytrafficjamsbecomepeoplecommonplaceandhadtoendure。

Inthiscontext，incombinationwiththeactualsituationofurbanroadtraffic,developtrulysuitableforourowncharacteristicsofintelligentsignalcontrolsystemhasbecomethemaintask。

Preface

Inpracticalapplicationathomeandabroad，accordingtotheactualtrafficsignalcontrolapplicationinspection，planarindependentintersectionsignalcontrolbasicusingsetcycle，muchtimesetcycle，halfinduction，wholesensoretcinseveralways。

Theformertwocontrolmodeiscompletelybasedonplanarintersectionalwaystrafficflowdataofstatisticalinvestigation，duetotrafficflowtheexistenceofvariablesexandrandomicity，thetwomethodshavetrafficefficiencyislow,thescheme，thedefectsofagingandhalfinductiveandalltheinductivethetwomethodsareintheformertwowaysbasedonincreasedvehicledetectorandaccordingtotheinformationprovidedtoadjustcycleislongandgreenletterofvehicle，itthanrandomarrivedadaptabilitybigger，canmakevehiclesintheparkingcordbeforeasfewparking，achievetrafficflowingeffect

Inmodernindustrialproduction，current,voltage,temperature,pressure，andflowrate,velocity，andswitchquantityarecommonmainlycontrolledparameter。

Forexample:

inmetallurgicalindustry,chemicalproduction，powerengineering，thepapermakingindustry,machineryandfoodprocessingandsoonmanydomains，peopleneedtotransporttheorderlycontrol.Bysinglechipmicrocomputertocontroloftraffic,notonlyhastheconvenientcontrol,configurationsimpleandflexiblewaitforanadvantage,butalsocangreatlyimprovethetechnicalindexbycontrolquantity，thusgreatlyimproveproductqualityandquantity.Therefore，themonolithicintegratedcircuittothetrafficlightcontrolproblemisanindustrialproductionweoftenencounterproblems.

Inthecourseofindustrialproduction，therearemanyindustrieshavelotsoftrafficequipment，inthecurrentsystem,mostofthetrafficcontrolsignalisaccomplishedbyrelays，butrelaysresponsetimeislong，sensitivitylow,long-termafteruse，faultopportunityincreasesgreatly，andadoptssingle—chipmicrocomputercontrol,theaccuracyoffargreaterthanrelays,shortresponsetime，softwarereliability，notbecauseworkingtimereduceditsperformancesake,comparedwith,thissolutionhasthehighfeasibility.

AboutAT89C51

1.functioncharacteristicsdescription：

AT89C51isalowpowerconsumption,highperformanceCMOS8bitmicro-controller，hasthe8KinsystemprogrammableFlashmemory.Usehigh-densityAtmelcompanythebeltpasswordnonvolatilestoragetechnologyandmanufacturing,andindustrial80S51productinstructionsandpinfullycompatible。

ChipFlashallowprogrammemoryinsystemprogrammable，alsosuitableforconventionalprogrammer.Inasinglechip，havedexterous8bitsCPUandinsystemprogrammableFlash，makeAT89C51formanyembeddedcontrolapplicationsystemprovidesthehighflexible,superefficientsolution。

AT89C51hasthefollowingstandardfunction:

8kbytesFlash,256bytesRAM，32—bitI/Omouthline,thewatchdogtimer，twodatapointer，three16timer/counter,a6vectorlevel2interruptstructure,full—duplexserialport，pieceinsidecrystalstimelyclockcircuit。

Inaddition，AT89C51candropto0Hzstaticlogicoperation，supporttwosoftwarecanchoosepowersavingmode。

Idlemode，theCPUtostopworking，allowingtheRAM,timer/counter，serialports，interruptioncontinuetowork。

Powerlostprotectionmode，RAMcontentbeingsaved,hasbeenfrozen，microcontrollerallworkstop,untilthenextinterruptionorhardwareresetsofar.Asshowninfigure1fortheAT89C51pinsallotment.

Figure1theAT89C51pinsallotment

2。

interruptintroduction

AT89C51hassixinterruptsources：

twoexternalinterruption,（and），threetimerinterrupt（timer0,1，2）andaserialinterrupts。

EachinterruptsourcecanbepassedbuybitsorremoveIEtherelevantspecialregisterinterruptallowcontrolbitrespectivelymakeeffectiveorinvalidinterruptsource。

IEalsoincludesaninterruptallowtotalcontrolbitEA，itcanbeabanallinterrupts。

IE。

Sixisnotavailable。

ForAT89C51，IE。

5bitsarealsonotbeused。

Usersoftwareshouldnotgivethesebitswrite1.TheyAT89seriesfornewproductreserved