基于rfid技术的公交优先关键技术-研究

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1、AbstractAbstractNow,mostcitiesofourcountryregardbustransportpriorityasthefirstprojecttoresolvetheurbantrafficcongestion.Byusingadvancedbusidentificationtechnologycombinedwithvehiclepriorityalgorithm,wecaninsurethebuspassingthecrossingtimelyinordertoreducebusdelaytimeandimp

2、rovetransportationefficiency.Thereby,thekeytechnologiesresearchofbusprioritybasedonRFIDtechnologyhasimportantpracticalapplicationvalueandsocialbenefitstourbantrafficsystem.Specificworksinthispaperareasfollows:1)TheUHFRFIDtechnologyisstudiedasabusdetectingtechnology.Andbyco

3、mbiningwiththeneedsofbustransportpriority,abusdetectingsystemisdesignedbasedonUHFRFIDtechnologywhichcandetectbusestimelyandgettheinformationsofthebus.2)Accordingtopracticaldemands,abusprioritycontrollerisdesignedwhichactsasabridgetotransformdatabetweenUHFRFIDbusdetectionde

4、viceandtraditionaltrafficsignalcontroller.Thecontroller`ssoftandhardwaredesigningandthefunctionofeachpartarepresentedindetail.Busprioritycontrollercanrunbuspriorityalgorithmandachievereal-timecontrolofintelligentbuspriorityalgorithmbyusingthenetworkparameterswhichisgottenf

5、romthewell-trainednetworkonPC.3)Accordingtodiferentcharacteristicsofeachcrossingstrafficsystem,thesinglephasebuspriorityalgorithmandmultiplephasebuspriorityalgorithmaredesignedindetail.Inmultiplephasebuspriorityalgorithm,inordertorealizemultipleBuspriorityrequest,adualsyst

6、emFNNisdesignedwhichincludingphaseselectionmoduleandgreendelaymodule.4)BuspriorityalgorithmissimulatedandcomparedwithtimingcontrolinMATLAB.Byusinghybridlearningalgorithm,theintelligentbuspriorityalgorithmistrained,andcombinedwithsinglephasebuspriorityalgorithmlinkedtobuspr

7、ioritycontrolmodule.Comparedwithtimingcontrol,theresultshowsthatthebuspriorityalgorithmpresentedinthispapercanreducetotalvehicledelayandtotalbusdelayeffectively.KeyWords:UHFRFID;Buspriority;Busprioritycontroller;DualsystemFNN–II–目录目录摘要......................................

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