文档介绍：十字路口红绿灯设计(Intersectiontrafficlightdesign)elerationofthepaceofenteringthefamilyandtheincreaseofthenumberofurbancars,ingmoreandmoreimportant・Tosolvetheproblemoftrafficsignalcontrolisanimportantlinktoensurethetrafficorder,,andaretheinherentsequentialsinglecontrol,ontrol,therearedisadvantagesoflessfunction,poorreliability,highmaintenanceetc・・ingsoftheoriginaltrafficsignalsystem,-200,hasacertaindegreeofintelligence,ordingtothetrafficlightsatthecrossroadsoftheroadtraffic,:ontroller(PLC)time-sharingcontrolCatalogdesignbackground Onebackgroundoverview ontroller ontrolsystemoftrafficsignallightatintersection Twocontrolobjectsandrequirements ・・・・ Twosystemprofiles Fourhardwareselection FivesystemI/Oallocation SixWiringdiagramof4PLCterminal Sevensoftwaredesign Eight6summary FifteenAppendixsource-STLstatement SixteenReferences Twenty-elerationofthepaceofenteringthefamilyandtheincreaseofthenumberofurbancars,ingmoreandmoreimportant・Theroadwilloftenseethisphenomenon:oncetheintersectiontrafficsignallampfailure,ifthereisnotrafficpolicetimely,pletemess,ident・puter・Ithasmanydisadvantages,suchaslessfunction,badreliabilityandlargemaintenance・Itcan,tadapttotherapiddevelopmentofurbanroadtraffic・Inaddition,accordingtothenumberofpeopleandvehicles,trafficsignalsmaybeincreasedatany time,Forexample,increasingtheturnorsidewalktrafficsignals,theoriginalsystemofcontrolismoreobvious・ingsoftheoriginaltrafficsignalsystem,ontroLInthispaper,thedesignofsoftwareandhardwareforthetrafficsignalcontrolsystemoftheintersection,usingprogrammablelogicdevicePLC,canbasicallymeetthecontrolrequirements・ThesystemonlyimplementsaprototypeofasmallPLCsystem,andneedsfurtheranalysis,researchanddebuggingintheimprovementofvariousfunctions・Iffurtherintegrationofindustrialcontrolrequirements,formingamoremoldedproducts,youneedtodomoreandmorein-depthresearch・