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1、英文Becauseoftherapiddevelopmentofoureconomyresultinginthecarnumberoflargeandmedium-sizedcitiessurgedandtheurbantraffic,isfacingserioustest,leadingtothetrafficproblemincreasinglyserious,itsbasicallyarebehavedasfollows:trafficaccidentfrequency,tothehumanlifesafetyenorm
2、ousthreat,Trafficcongestion,resultinginserioustraveltimeincreases,energyconsumptionincrease;Airpollutionandnoisepollutiondegreeofdeepening,etc.Dailytrafficjamsbecomepeoplecommonplaceandhadtoendure.Inthiscontext,incombinationwiththeactualsituationofurbanroadtraffic,d
3、eveloptrulysuitableforourowncharacteristicsofintelligentsignalcontrolsystemhasbecomethemaintask.PrefaceInpracticalapplicationathomeandabroad,accordingtotheactualtrafficsignalcontrolapplicationinspection,planarindependentintersectionsignalcontrolbasicusingsetcycle,mu
4、chtimesetcycle,halfinduction,wholesensoretcinseveralways.Theformertwocontrolmodeiscompletelybasedonplanarintersectionalwaystrafficflowdataofstatisticalinvestigation,duetotrafficflowtheexistenceofvariablesexandrandomicity,thetwomethodshavetrafficefficiencyislow,thesc
5、heme,thedefectsofagingandhalfinductiveandalltheinductivethetwomethodsareintheformertwowaysbasedonincreasedvehicledetectorandaccordingtotheinformationprovidedtoadjustcycleislongandgreenletterofvehicle,itthanrandomarrivedadaptabilitybigger,canmakevehiclesintheparkingc
6、ordbeforeasfewparking,achievetrafficflowingeffectInmodernindustrialproduction,current,voltage,temperature,pressure,andflowrate,velocity,andswitchquantityarecommonmainlycontrolledparameter.Forexample:inmetallurgicalindustry,chemicalproduction,powerengineering,thepape
7、rmakingindustry,machineryandfoodprocessingandsoonmanydomains,peopleneedtotransporttheorderlycontrol.Bysinglechipmicrocomputertocontroloftraffic,notonlyhastheconvenientcontrol,configurationsimpleandflexiblewaitforanadvantage,butalsocangreatlyimprovethetechnicalindexb
8、ycontrolquantity,thusgreatlyimproveproductqualityandquantity.Therefore,themonolithicintegratedcircuittothetrafficlightcontrolproblemisanin
