铁道信号自动控制专业教学资源库CBTC--ATP(12-14)安徽交通职业技术学院

MAUreceivesrouterequestfromATS.Iftherouterequestincludesaswitch,andMAUsendstherouterequesttoPMI,andPMIhandlestherouteaccordingtotherouterequest,controlstheswitchtothepositionrequiredfortheroute,andopensthesignal.RouteRequestofATP

Whenthetrainstopsontheplatform,VOBCdetectsthatthedoorisallowedtoopen,andthensendsPSDopeningauthorizationtoMAUandMAUsendsanopeningcommandtoPSD,andPSDopensafterreceivingtheopeningcommandPSDControlofATP

Similarly,whenthetrainisreadytodepart,VOBCsendsPSDclosingauthorizationtoMAUandMAUsendsaclosingcommandtoPSDandPSDclosesafterreceivingtheclosingcommand.PSDControlofATP

PMImonitorsthestatusoftracksideequipmentsuchasturnouts,signals,axlecounters,anemergencystopbrake,andPSDandPMIsendsthestatusofthetracksideequipmenttotheMAUandMAUsendsthestatusofthetracksideequipmenttoATSsystem.Atthesametime,thestatusofPSDissenttoMAUtocontrolPSD.PMIINTERLOCKING

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