日本鐵路信號(hào)系統(tǒng)的技術(shù)特點(diǎn)考索畢業(yè)論文外文翻譯

1、附錄A外文TechnologyFeaturesReasearchofJapaneseRailwaySignalSystemThispaperbeginswiththedevelopinghistytechnicalclassificationofrailwaytransptationintroducestherailwaycontrolsystemusedinJapananalyzesitstechnologyfeaturesrespe

2、ctivelyfromtheaspectsofelectroniccomputercommunicationtechnologyatlastproposesthetechnicaldevelopingdirectionoffuturetraincontrolsystem.1、IntroductionIntheearlydaysofrailwaystherewasnosignalingsystem.Astationattendantsho

3、wedthesignalofgostopbygestures.Butpeoplewouldmakesomemistakeswhichcausedaccidents.Signalingsystempreventstheaccidentsefficiently.EarlysignalsysteminJapanwasAutomaticTrafficStop(ATS)devices.Thisdevicecouldautomaticallysto

4、pthetrainwhenitreceivedthestopsignal.Evenifthedriverignedthealarmofthetrainbnestopdevicethedeviceonthetrackcouldstopthetrainautomatically.ATSP(AutomaticTrainStopProtection)wasdevelopedtoraiseefficiency.Usingtherespondert

5、osendareceivedatasignalATSPsystemtransmitsinfmationofthedistanceaboutthenextstoptothetrainviathetrackthenthesystemgeneratesatrainspeedcheckingpatternwiththeseinfmation.ATC(AutomaticTrainControl)systemisdevelopedtoresolve

6、problemsofATSP.InATCsystemsafetyoperationprocedurewillbeactivatedtoguaranteethesafeperfmanceofthetrainwhenthetrainoperatmademistakes.Tomeettheneedsofthemodernmassivehighefficienttransptationnewtrafficcontrolsystemsareeme

7、rgingsuchasATACS(AdvancedTrainAdministrationCommunicationSystem)CBTC(CommunicationBasedTrainControl)etc.Withtheintegrationofrailwaysignalcommunicationtechnologytrackstructureofnewpatternadditionaltrainbnefunctions.Thispa

8、perproposesthefeaturesofthecurrentrailwaycontrolsysteminJapanwiththedevelopmenthistyoftherailwaysignalsystemasbackgroundthenshowsitskeytechnologydevelopmentsinfuture.2、RailwaySignalSystemsThefirstrailwaytransptationsyste

9、mbegantooperatein1830betweenrollingstockperfmanceisimproved.Operabilityisimprovedbyindicatingthetrainusageonroutestodrivers.Alongwithinfmationtechnologydevelopssorapidlyanewrailwaytrafficcontrolsystemappears.Thesystemcan

10、maketrainsknowitsownpositioninfmationthedistancewithothers.ThedevelopingsystemiscalledATACS(advancedtrainadministercommunicationsystem).ATACSisanewrailcontrolsystembasedoninfmationtechnologyADStechnology.3、TechnologyFeat

11、uresofJapaneseRailwaySignalSystemDecentralizedTechnologyFeatureAtfirstATCwasusedfsupptingthesafetysuperspeedsystemoftheJapaneseShinkansenthenwasintroducedtotraditionalrailsystemtoshtenthedistancebetweentrains.Butitcan’tw

12、keffectivelybecauseoftheATCtechnologylimit.InthisbackgroundDATC(datadecentralizedATC)basedonADS(autonomousdecentralizedsystem)developedasthelevel2system.InDATCsystemeverytrainisallowedtocalculateitsownspeed.JREastdevelop

13、edakindofShinkansenDATCinwhichdatacommunicationwasused.TheDATCisofficiallycalledDSATC.ThesystemisusedonKeihinTohokulinecalledDATCwhileinShinkansencalledDSATC.IntheATCsystemthespeedsignalisinthedriverscabwhichreceivedperm

14、ittedspeedinfmationfromthegroundequipmentcontinuously.ATCscentrallogicsystemtransmitsATCsignalstotrackcircuit.ATCsignalsareaboutspeedinfmationwhiletheyareusedastraindetectionsignals.Thelogicdevicecandeterminethesectionon

15、whichatrainispresentbymonitingthelevelofreceivedATCsignalpowerbecausethewheelsofthetrainshtthetrackcircuits.Tosettherackcircuitboundaryspeedpatternistosustaintrainsheadwaywhichisnecessaryftraintrafficcontrol.IntheATCsyst

16、emthecentrallogicsystemundertakesthemosttrainintervalcontrol.Theonboardsystemcontrolsthebrakingsystemaccdingtotheinstructionsfromthecentrallogicsystem.Distancebetweentrainsisanimptantconceptinrailwaytransptationcontrol.I

17、nthiscontrolmethodthesystemrecognizesthedistancebetweentwoconsecutivetrainsfirstly.Thenthesystemcontrolstheirspeedtoinsureasafedistance.Indertorealizethisdistancecontrolvariousnewfunctionsarerequiredsuchaspositioningexac