軌道交通智能控制技術(shù)專業(yè)英語（中英雙語）課件 Unit 4 Critical Control Technologies for Rail Transit

《軌道交通智能控制技術(shù)專業(yè)英語》（中英雙語）Unit

4CriticalControlTechnologiesforRail

TransitPart

1Part

2C

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n

t

e

n

t

sElectricalTractionDrive

TechnologyTCMS

TechnologyScreenDoor

TechnologyATP

TechnologyPart

3Part

4Part

1ElectricalTractionDrive

TechnologyPart

1PassageTheelectrical

tractionTherailtransittrainsaremainlypoweredbytheoverheadlinesorbytheenergystoragesystemsthatarechargedoncethetrainsarriveatthe

station.alow-floor

tramatraction

motora

super-capacitorenergystoragesystemPart1 PassageTherailtransittrainsaremainlypoweredbytheoverheadlinesorbytheenergystoragesystemsthatarechargedoncethetrainsarriveatthestation.Theuseofaxlecontroltechnologyenableseachmotortobecontrolledindependently,sothatintheeventofunevenloaddistributionduetowheeldiameterdifferences,axleweighttransferandidling,itcanbecompensatedbyindependentcontrol,whichisbeneficialtothemaximizationoftrain

traction.LRVtractionsystemblockdiagramforbogie

controlPart1 PassageAccordingtothedemandoftraintraction,theconverteroutputsthevariable-frequencyandvariable-voltagepower,andcontrolstheoutputspeedandtorqueofthemotor.Thespeedandtorquefinallyactsonthewheelsetsafterconvertedbythegearbox,therebyovercomingthebasicrunningresistance,rampresistance,bendresistanceandairresistanceofthetrain,andrealizingthetraction-basedtrainrunning.Themaintrainrunningstrategiesincludetime-savingstrategy,energy-savingstrategyandintegratedoptimization

strategy.LRVrunningconditions

diagramPart

1Vocabulary1intermediate [?nt?'mi?di?t]2transient ['tr?nzi?nt]3pulsation [p?l'se??n]4torque [t??k]5asynchronous [e?'s??kr?n?s]adj.

中間的；中級(jí)的；中等的adj.

轉(zhuǎn)瞬即逝的；短暫的；過往的；臨時(shí)的n.

脈動(dòng)；脈沖；搏動(dòng)；間斷n.

扭矩；（使機(jī)器等旋轉(zhuǎn)的）轉(zhuǎn)矩adj.

不同時(shí)存在（或發(fā)生）的；非共時(shí)的Part

1Notes超級(jí)電容儲(chǔ)能系統(tǒng)牽引變流器電壓支撐電容牽引逆變器super-capacitorenergystoragesystemtraction

convertervoltagesupport

capacitortraction

inverterPart

1Reference

Translation軌道交通車輛主要通過接觸網(wǎng)獲得電能，或通過車輛儲(chǔ)能系統(tǒng)實(shí)現(xiàn)到站充電。低地板有軌電車電氣牽引傳動(dòng)部分包括牽引變流器、牽引電機(jī)和超級(jí)電容儲(chǔ)能系統(tǒng)。Therailtransittrainsaremainlypoweredbytheoverheadlinesorbytheenergystoragesystemsthatarechargedoncethetrainsarriveatthestation.Theelectricaltractiondriveofalow-floortramconsistsofatractionconverter,atractionmotorandasuper-capacitorenergystoragesystem.Part

2TCMS

TechnologyPart2 PassageThe

TCMSTCMSstandsforTrainControlandManagement

System.TheTCMSrealizescharacteristiccontrol,logiccontrol,faultmonitoringandself-diagnosisofthetrain,andtransmitsinformationtothemicrocomputerdisplayonthedriver’sconsoletogivethedriveranintuitivereflectionofthereal-timestatusofthe

locomotive.twodisplay

unitsonemaincontrol

unitThemaincontrollinkisautomaticallyremovedintheeventofafault,andthehotstandbycontrollinkisimmediatelyandautomaticallyputinto

operation.Part2 PassageTheTCMSarchitectureisbasedonastandardTCNwithahighdegreeof

redundancy.Thearchitectureuses2standardTCMSmodules,oneforeachhalftrain(calledatrain

set).TheTCMSarchitecturecarriesovertheHVarchitecture(oneTCMSmoduleper

tractiontransformer).Thetwomodulesusegatewaystocommunicateviathetrain

bus.TheCCUandERMareinstalledinthecentralcontrol

cabinet.TheCCUexchangesdatawithERM,HMI,RIOMandotherdevicesviathemultifunctionaltrainbus

(MVB).TheabovetrainnetworkusesaringEthernetnetworkandthetrainnetworkusesa

CANopenbusorRS485bus;dividingthetrainnetworkintoapowernetworkandanon-powernetwork

reducesthebusloadfactorofasingleCANopennetwork,reducesthenumberofnodesinasingleCANopennetworkandincreases

reliability.Part

2PassageNetworktopologyofastraddlingmonorail

trainPart

2Vocabulary1equalize ['i?kw?la?z]2pulsation [p?l'se???n]3compensate ['k?mpense?t]4redundancy ['r?'d?nd?nsi]5intuitive [?n'tju??t?v]v.

均衡；使平等；使均等；使相等n.

搏動(dòng)；脈沖；脈動(dòng)；間斷；角頻率v.

補(bǔ)償；彌補(bǔ)；給（某人）賠償（或賠款）n.冗余；多余；裁員，解雇adj.

憑直覺得到的；有直覺力的；易懂的Part

2Notes牽引變流器超級(jí)電容坡道阻力多功能車輛總線中央控制單元traction

convertersuper-capacitorramp

resistancemultifunctionaltrain

buscentralcontrol

unitPart

2Reference

TranslationTCMS實(shí)現(xiàn)車輛特性控制、邏輯控制、故障監(jiān)視和自我診斷，并將信息傳送到司機(jī)操縱臺(tái)上的微機(jī)顯示屏為司機(jī)直觀反映機(jī)車實(shí)時(shí)狀態(tài)。TheTCMSrealizescharacteristiccontrol,logiccontrol,faultmonitoringandself-diagnosisofthetrain,andtransmitsinformationtothemicrocomputerdisplayonthedriver'sconsoletogivethedriveranintuitivereflectionofthereal-timestatusofthe

locomotive.Part3ScreenDoor

TechnologyPart3 PassageScreendoorsareinstalledontheedgeofthemetroplatformnearthetracks,separatingtheplatformareafromthetrackarea.Themainpurposeofinstallingscreendoors:① preventpeoplefromfallingontothe

tracks② reducetheenergyconsumptionoftheairconditioningandventilationsystematthestation③ mitigatetheimpactoftrainrunningnoiseandpistonwindonthe

station④ provideasafeandcomfortablewaitingenvironmentfor

passengers⑤ avoiddelaysinarrivalsanddeparturesduetoaccidentsatthe

station,⑥ improvetheserviceofrail

transport⑦ createthenecessaryconditionsfortherailtransportsystemtorealizeunmanneddrivingPart

3PassageTherearetwomaintypesofscreen

doors.Anothertypeissemi-enclosedslidingdoorsorstainlesssteelfencedoorsinstalledinaglasspartitionwallthatdoesnotreachtheceiling.Thescreendoorsareusually1.2to1.5mhigh,andtheaircancirculatethroughabovethescreendoors.Theyaremainlyforisolationtoensurethesafetyofpassengerswaitingfortrainsontheplatform,sotheyalsoknownassafety

doors.Thefirsttypeisfullyenclosedmovabledoorsinstalledinafloor-to-ceilingglasspartitionwall,whichissetalongtheedgeofthestationplatformandextendsallthewaytobothendsoftheplatform,separatingthepassengerwaitingareafromthetrainstoparea.Thistypeofscreendoorisgenerallyusedatunderground

stations.Part

3PassageUnderabnormalconditionssuchasinaccuratetrainstopposition,signalsystemfailure,signalinterruptionbetweensignalsystemandscreendoorsystem,andscreendoorsystemfailure,thedrivercanclosethescreendoorsthroughthecontrolboxattheplatformendtoachievestation-basedoperationofthescreen

doors.Whenallthescreendoorshavebeenclosed,butthesignalsystemstillcannotconfirmthatandthereforecannotsendthedeparturesignal,thetraindriverturnsonthekeyswitchinsidethecontrolboxattheendoftheplatformafterconfirmingthatthescreendoorsarefreeoftrappedpersonsandobjects,andusestheinterlockreleasepushbuttonswitchtoforciblyissuethetraindeparturesignaltoallowthetraintoleavethe

platform.Part

3Vocabulary1consumption [k?n's?mp?n]n.

消費(fèi)；消耗，消耗量2mitigate ['m?t?ɡe?t]v.

減輕；緩和3circulate ['s??kj?le?t]v.

循環(huán)；環(huán)流；傳播；傳閱；流傳；傳遞；傳送4inaccurate [?n'?kj?r?t]adj.

不準(zhǔn)確的；不精確的5interruption [?nt?'r?p?n]n.中斷；打擾；中斷時(shí)間；插嘴；打岔Part

3Notes信號(hào)系統(tǒng)故障能源消耗屏蔽門系統(tǒng)發(fā)車信號(hào)signalsystem

failureenergyconsumptionscreendoorsystemdeparture

signalPart3 Reference

Translation列車停位不準(zhǔn)確、信號(hào)系統(tǒng)故障、信號(hào)系統(tǒng)與屏蔽門系統(tǒng)信號(hào)中斷、屏蔽門系統(tǒng)故障等非正常情況下，司機(jī)可通過站臺(tái)端頭控制盒開關(guān)屏蔽門體，實(shí)現(xiàn)屏蔽門的站臺(tái)操作。Underabnormalconditionssuchasinaccuratetrainstopposition,signalsystemfailure,signalinterruptionbetweensignalsystemandscreendoorsystem,andscreendoorsystemfailure,thedrivercanclosethescreendoorsthroughthecontrolboxattheplatformendtoachievestation-basedoperationofthescreen

doors.Part

4ATP

TechnologyPart

4PassageTheATP(AutomaticTrainProtection)subsystemisasafetycontrolsystemthatensurestrainsdonotrunfasterthantheirtarget

speeds.ItisasubsystemoftheAutomaticTrainControl(ATC)systemandisthekeydevice

forensuringthesaferunningoftrainsandforachievingprotectionagainst

over-speed.ATP

systemPart

4PassageWhendetectingthatthetrainoccupiesthetracksection,ittransmitsdatainformation

suchas“targetspeed”or“targetdistance”tothe

train.TheonboardATPequipmentreceivesandinterpretsthe“speedcommand”andother

datainformation,combinesthemwiththeactualspeed,brakingrate,wheelwearcompensationandotherrelevantconditionstoachieveoverspeedprotectioncontrol,andworkswiththe

AutomaticTrainOperation(ATO)subsystemtoachieveautomaticadjustmentofthetrain

speed.Whenthetrainreachesthestopposition,theATPsubsystemtransmitsinformationabouttheopeningandclosingofthetraindoorstothetrainviathetracksideequipmenttocontroltheopeningandclosingofthetrain

doors.Part

4PassageTheATPsubsystemsmainly

include：（1）the“speedcode”systemofaudiouninsulatedtrackcircuit（2）the“targetspeed”systemofdigitallyenc