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页数:9页
时间:2020-02-29
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1、TechnologyFeaturesReasearchofJapaneseRailwaySignalSystem Thispaperbeginswiththedevelopinghistoryandtechnicalclassificationofrailwaytransportation,introducestherailwaycontrolsystemusedinJapan,analyzesitstechnologyfeaturesrespectivelyfromtheaspectsofelectronic,computerandcommunicationt
2、echnology,andatlastproposesthetechnicaldevelopingdirectionoffuturetraincontrolsystem.1、IntroductionIntheearlydaysofrailways,therewasnosignalingsystem.Astationattendantshowedthesignalofgoorstopbygestures.Butpeoplewouldmakesomemistakeswhichcausedaccidents.Signalingsystempreventstheacci
3、dentsefficiently.EarlysignalsysteminJapanwasAutomaticTrafficStop(ATS)devices.Thisdevicecouldautomaticallystopthetrainwhenitreceivedthestopsignal.Evenifthedriverignoredthealarmofthetrain-bornestopdevice,thedeviceonthetrackcouldstopthetrainautomatically.ATS-P(AutomaticTrainStopProtecti
4、on)wasdevelopedtoraiseefficiency.Usingtherespondertosendareceivedatasignal,ATS-Psystemtransmitsinformationofthedistanceaboutthenextstoptothetrainviathetrack,andthenthesystemgeneratesatrainspeed-checkingpatternwiththeseinformation.ATC(AutomaticTrainControl)systemisdevelopedtoresolvepr
5、oblemsofATS-P.InATCsystem,safetyoperationprocedurewillbeactivatedtoguaranteethesafeperformanceofthetrainwhenthetrainoperatormademistakes.Tomeettheneedsofthemodernmassivehigh-efficienttransportation,newtrafficcontrolsystemsareemergingsuchasATACS(AdvancedTrainAdministrationCommunicatio
6、nSystem),CBTC(CommunicationBasedTrainControl),etc.Withtheintegrationofrailwaysignalandcommunicationtechnology,trackstructureofnewpatternandadditionaltrain-bornefunctions.ThispaperproposesthefeaturesofthecurrentrailwaycontrolsysteminJapanwiththedevelopmenthistoryoftherailwaysignalsyst
7、emasbackground,andthenshowsitskeytechnologyanddevelopmentsinfuture. 2、RailwaySignalSystemsThefirstrailwaytransportationsystembegantooperatein1830betweenLiverpoolandManchester.Signalsystemwasintroducedtoimprovesafetyandtocopewiththeincreaseoftrafficvolume.In1841,thesignaltechnologywas
8、usedatthetwo
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