軌道交通智能控制技術(shù)專業(yè)英語(yǔ)（中英雙語(yǔ)）課件 徐磊 Unit 1 Overview of Intelligent Control of Urban Rail Transit-Unit 3  Rail Transit Vehicle

《軌道交通智能控制技術(shù)專業(yè)英語(yǔ)》（中英雙語(yǔ)）Unit

1OverviewofIntelligentControlofUrbanRail

TransitPart

1Part

2C

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sEvolutionofIntelligentControlSystemofRailTransit

TrainsIntelligentOperationandMaintenanceSystemof

UrbanRailTransit

TrainsPart

1EvolutionofIntelligentControlSystem

ofRailTransit

TrainsPart1 PassageThetrainoperationcontrolsystemcontrolstherunningdirectionandrunningspeedoftrains,andtheintervalbetweentrainsbytechnicalmeanstoenablethetrainstorunsmoothlyandsafely.Itsprimaryfunctionsincludeindicatingwhethertherailsectionaheadofthetrainsarevacant,displayingthecurrentrunningspeed,andprovidingalarmandbrakingfunctionsinemergencies.ATSATPATOATCSPart

1Passage1.Intelligentcontrol

technologyThefifthgenerationofcellularmobilecommunications,whichiscapableofhighbandwidthandhigh-capacitytransmission,providesthetechnicalguaranteesforlatency-freeexchangeofmassdataontrain-to-groundwirelesscommunicationsandprecisepositioningoftrainsneural

networksdeep

learningexpert

systems…promotethedevelopmentandapplicationofartificialintelligenceinmore

fieldscreatetechnicalconditionsforintelligentcontrol

oftrainsintherailtransit

industryPart

1Passage2.Smart

stationByvirtueofartificialintelligence,internetofthings,andbigdata,andwiththeaidoftechnologiessuchascomputervision,biometricidentification,intelligentsensors,lasers,andinfrareddetection,passengerself-servicesliketicketserviceandguidanceaswellas“smartstations”withstationequipmentandfacilitiesunderintelligentmanagementhavecomeintouse.Part

1Passage3.Compositionofintelligentcontrol

systemon-board

equipmentgroundThecontrolsystem

equipmentcentral

equipmentstation

equipmentTheon-boardequipmentintegratesdataofon-boardsubsystemsandsensorsvia

interfaces.Part

1Passage4.Evolutionoftraincontrol

technologyThepracticaloperationdemandbroughtbyincreasingpassengerflowsascitiesareconstantlydevelopingandadvancementinscienceandtechnologydeterminethattheintelligentcontrolsystemisthefutureofcontroltechnologyforrailtransittrains,whichhasparticularsignificancetotheenhancedoperationalefficiencyofrailtransitandthefullplayoftherailtransitindustryasapublictransportation

carrier.enhancedoperationalefficiencyofrail

transitthefullplayoftherailtransitindustryasa

publictransportation

carrier.particular

significancePart

1Vocabulary1intelligent [?n'tel?d??nt]2transmission [tr?nz'm??n]3guarantee [ɡ?r?n'ti?]4advancement [?d'vɑ?nsm?nt]5artificial [ɑ?t?'f??l]adj.

聰明的；智能的；有才智的；悟性強(qiáng)的n.

傳輸；傳遞；傳送；傳達(dá)；傳染n.

保證；擔(dān)保；保修單；v.

保證；擔(dān)保；保障n.

進(jìn)步；發(fā)展；前進(jìn)；促進(jìn)；推動(dòng)；晉升adj.

人造的；人工的；人為的；假的；非自然的Part

1Notes列車運(yùn)行控制系統(tǒng)行車指揮自動(dòng)化列車自動(dòng)防護(hù)自動(dòng)駕駛系統(tǒng)人工智能物聯(lián)網(wǎng)大數(shù)據(jù)生物識(shí)別智能傳感器紅外探測(cè)等技術(shù)advancedtraincontrol

systemautomatictrainsupervisionautomatictrainprotectionautomatictrainoperationartificial

intelligenceinternetofthingsbig

databiometricidentificationintelligentsensorsinfrareddetectionPart1 Reference

Translation計(jì)算機(jī)科學(xué)的進(jìn)步，編程技術(shù)、數(shù)據(jù)算法、信息處理等技術(shù)的發(fā)展，推動(dòng)了人工智能的研究和應(yīng)用。神經(jīng)網(wǎng)絡(luò)、深度學(xué)習(xí)、專家系統(tǒng)等促進(jìn)了人工智能在更多領(lǐng)域的發(fā)展和應(yīng)用，也為軌道交通行業(yè)列車智能控制創(chuàng)造了技術(shù)條件。Theadvancementofcomputerscienceandthedevelopmentoftechnologies,includingprogrammingtechnology,dataalgorithmsandinformationprocessingdrivetheresearchandapplicationofartificial

intelligence.Neuralnetworks,deeplearning,expertsystems,andotherspromotethedevelopmentandapplicationofartificialintelligenceinmorefields,andcreatetechnicalconditionsforintelligentcontroloftrainsintherailtransit

industry.Part2IntelligentOperationandMaintenanceSystemofUrbanRailTransit

TrainsPart

2Passage1.Currentsituation

analysisIntelligentoverhaulsolutionsgenerallyachieveonlinemonitoringandearlywarningbyinstallingsensorsinthetrainbrakingsystem,doorsystemandtractionsystem.Mostdomesticrailtransitenterprisestakesafetyoperationofequipmentasthefundamentalobjective,andadoptaconservativeoverhaulsystem.Excessivemaintenanceissowidespreadthatitresultsinthewasteofhuman,materialandfinancial

resources.forthelimitedperipherallayout

pointsTheoverhaulpersonnel

cannoteffectivelymonitoroperationconditionsof

trains.causePart

2Passage2.Overallschemeofintelligentoperationand

maintenanceTheintelligentoperationandmaintenancesystemofurbanrailtransittrainscanbeclassifiedintointelligentproductionmanagementsystemimplementedattrainplants,intelligenttrainoverhaulsystemandintelligentexperttraindiagnosis

system.Architectureofintelligentoperationandmaintenance

systemPart

2PassageTheintelligenttrainoverhaulsystemcanachieveintelligentdetectionoftheunderbody,side,bodyappearanceandwheelsetconditionsofurbanrailtransit

trainsTheintelligentproductionmanagementsystemimplementedattrainplantsisusedforintelligentmanagementoftrainconditions,intelligentschedulingofdailyoperationplans,automaticpositioningofequipmentandintelligentconflictdetectionofconstructionworkorders.Theintelligentexpertdiagnosissystemoftrainsusesadvancedtechnicalmeanssuchasbigdataandartificialintelligenceandreasoningalgorithmslikefuzzylogictomonitortrainoperatingconditions,predictfaults,assesstrainhealthconditions,andofferappropriatemaintenancedecisions.Part

2PassageIntelligenttraindetection

systemTheintelligenttrainoverhaulsystemacquirestheconditiondatainformationoftrainrunningpartaswellastrainbodythroughsensing,laser,imagerecognition,infraredandotherconditionmonitoringtechnologies,andeffectivelyidentifiesabnormaltrainconditionswithpatternrecognition,featurematching,deeplearningandotherdigitalimageprocessingtechnologiestoimproveoverhaulefficiencyandsavehuman

cost.Intelligentoverhaul

robotTheintelligentoverhaulrobotusesrobotics,machinevisiontechnologyandavarietyof

controltechnologiesandadvancedalgorithmstoacquirehigh-definitionimagesofunderbodyandtrainside

indynamicandstaticconditions,anddeterminestrainabnormalitieswithimageprocessing

technologies.Part

2Vocabulary1maintenance ['me?nt?n?ns]n.

維修；維護(hù)；保養(yǎng)；維持；保持；撫養(yǎng)費(fèi)2equipment [?'kw?pm?nt]n.

設(shè)備；器材；配備；裝備3diagnose [da??ɡn??z]v.

診斷（疾?。?；判斷（問(wèn)題的原因）4install [?n'st??l]v.安裝；設(shè)置；建立（程序）Part

2Vocabulary56algorithm ['?lg?r?em]n.

算法；計(jì)算程序7implement ['?mpl?ment]vt.

使生效；貫徹；執(zhí)行；實(shí)施

n.

工具；器具adopt [?'d?pt]v.

采用（某方法）；收養(yǎng)；領(lǐng)養(yǎng)；采取Part

2Notes車輛制動(dòng)系統(tǒng)車輛智能檢修系統(tǒng)實(shí)時(shí)數(shù)據(jù)車輛360度視覺(jué)檢測(cè)車輛智能專家診斷系統(tǒng)異常狀態(tài)檢測(cè)trainbraking

systemintelligenttrainoverhaul

systemreal-time

datatrain360visual

inspectionintelligenttrainexpertdiagnosis

systemabnormalconditionmonitoringPart

2Reference

Translation智能檢修解決方案一般通過(guò)在車輛制動(dòng)系統(tǒng)、車門(mén)系統(tǒng)、牽引系統(tǒng)中安裝傳感器的方式，實(shí)現(xiàn)在線監(jiān)測(cè)與預(yù)警。Intelligentoverhaulsolutionsgenerallyachieveonlinemonitoringandearlywarningbyinstallingsensorsinthetrainbrakingsystem,doorsystemandtraction

system.Thanks！《軌道交通智能控制技術(shù)專業(yè)英語(yǔ)》（中英雙語(yǔ)）Unit

2KeyControlSystemsofRail

TransitPart

1Part

2C

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sTrainPowerSupply

SystemTransitTraction

SystemBrake

SystemNetwork

SystemAir-conditioning

SystemPart

3Part

4Part

5Part

1TrainPowerSupply

SystemPart

1PassageRailtransittrainsareamaintypeofmeansoftransportofChina,andelectricdevicesareanimportantpartofatrain.Thepowersupplysystemofatrainsuppliespowertotheelectricloadsandautomaticdevicesonthe

train.powersupplyis

eithercentralizedIntermsof

distributionpowersupplyis

eitherdecentralizedTrainpowersupplysystemshavethreesupplymodes–separate,centralizedand

mixed.Part

1PassageSeparatepower

supplyIntheseparatepowersupplymode,eachtrainhasapowersupplydevicethat

operatesseparately.Separatepowersupplyfortrainshasthefollowingthreetypes:Powersupplyusingabattery

packPowersupplybyageneratordrivenbyaxlesviapulleysoruniversalshaftsandinparallelwithabattery

pack;Powersupplybyasmalldiesel

generatorPart

1PassageCentralizedpower

supplyThepowersourceforatrain’scentralizedpowersupplyisprovidedbythedieselgeneratorunitonthegeneratorcarforthenon-electrifiedsections,orbytheoverheadlinesviathemaintransformeroftheelectriclocomotivefortheelectrified

sections.Powersupplybydieselgenerator

carIncaseofpowersupplybythedieselgeneratorunitofthegeneratorcar,thesupplyvoltageisusually400V(linevoltage)or230V(phasevoltage),three-phase50Hz.Powerissuppliedtotheconnectedcarriagesviaendcouplingsintwoways,andthevoltagedropofthetransmissionmainshallnotexceed

5%.Part

1Passage2)Powersupplybyoverhead

linesInChina,thevoltageofoverheadlinesintheelectrifiedsectionsis25kV,whichisconvertedto2×1,500Vbythemaintransformeroftheelectriclocomotive,andtransmittedtothetransmissionmainofthecoupledtrain,withatransmissionpowerof800

kV·A.Electrifiedoverheadlineshavethreepowersupplymodes–locomotive-basedpowersupply,powercar-basedpowersupplyandDC600V/AC380Vcompatiblepower

supply.Intheelectrifiedsections,theelectriclocomotiveconvertsthe25kVsingle-phasehigh-voltageACreceivedbythepantographtoa600VDCthroughstep-down,rectificationandfiltration,andsuppliesittotheair-conditionedcarriages,whichperformcentralizedpowersupplyanddecentralizedconversionthroughthedistribution

cabinet.Part

1PassageInthenon-electrifiedsections,theair-conditionedcarriagesdrivenbytheinternalcombustionlocomotivereceiveACpowersupplyfromahigh-powergeneratorcar,or600VDCpowersupplyfromaspecialgenerator

car.3.Mixedpower

supplyCurrently,therearemanytypesoftractionpowerforrailtransit.Inviewofsomespecialtransportconditions,excepttheabovetwopowersupplymodes,athirdmodeisnecessary,namelymixedpower

supply.Part

1Vocabulary1device [d?'va?s]n.

裝置；儀器；器具；設(shè)備2voltage ['v??lt?d?]n.

電壓；伏特?cái)?shù)3distribution [d?str?'bju??n]4independent [?nd?'pend?nt]n.

分配；分布；分發(fā)；分送；經(jīng)銷，分銷adj.獨(dú)立的；自主的；公正的；無(wú)偏見(jiàn)的Part

2Vocabulary5convert [k?n'v??t]v.

轉(zhuǎn)換；（使）轉(zhuǎn)變；（使）改變（觀點(diǎn)、習(xí)慣等）6individual [?nd?'v?d?u?]n.

個(gè)人；與眾不同的人；有個(gè)性的人；7rectification [rekt?f?'ke??n]n.

糾正；修正；矯正；校正8filtration [f?l'tre??n]n.

過(guò)濾；濾清；濾除adj.

個(gè)別的；單獨(dú)的；一個(gè)人的Part

1Notes車輛供電系統(tǒng)單獨(dú)供電柴油機(jī)接觸網(wǎng)主變壓器三相交流電內(nèi)燃機(jī)trainpowersupply

systemseparatepowersupplydieselgeneratoroverhead

linesmaintransformerthree-phaseACinternal

combustionPart

1Reference

Translation隨著人們生活水平的不斷提高及科學(xué)技術(shù)的不斷發(fā)展，車輛上電氣設(shè)備日益增多，大多安裝了空調(diào)、信息顯示設(shè)備、冰箱、彩電等，車輛功率大大增加。Withtheimprovementofpeople’slivingstandard,andthedevelopmentofscienceandtechnology,therearemoreandmoreelectricdevicesontrains.Mosttrainsareprovidedwithair-conditioners,informationdisplaydevices,refrigerators,colorTVs,etc.,increasingtrainpowerconsumptiongreatly.Part

2Traction

SystemPart2 PassageThetractiondrivesystemusuallyadoptsthedrivemodeof

AC-DC-AC.Duringtraintractionworking,electricenergyisconvertedintomechanicalenergy,andduringregenerativebraking,mechanicalenergyisconvertedintoelectric

energy.Schematicdiagramoftractiondrive

systemPart2 PassageThetractiontransformerservestoconvertthehighvoltageoftheoverheadlinesintotheoperatingvoltageofthetractionconverter,andhasalmostthesameoperatingprincipleasthatofthepowertransformer.Inthesystem,theconverterclosetothegridsideisapulserectifier,whichservesasarectifierduringtraintractionorasaninverterduringregenerativebraking.Itcanrealizequickandsmoothconversionbetweenthetwooperating

modes.Traction

transformerPart2 PassageThetractioninverteristheconverteronthedrivemotorsideofthetractiondrivesystem,

andthemostimportantcomponentinthetractiondrive

system.Duringtraintraction,theDCvoltageintheintermediateDClinkisconvertedintoa

three-phaseACvoltagecontrolledbythetractioncharacteristicandthensuppliedtothetraction

motor.Duringtrainbraking,thetractionmotorgenerateselectricity,convertsthethree-phaseACwithvaryingvoltageandfrequencyfromthetractionmotorintoaDCandthensuppliesittotheintermediateDC

link.Tractionconverter

(YGZN2Q256)Part2 PassageThemaincomponentthatrealizesthemutualconversionbetweenelectricandmechanicalenergyisthetraction.Itworksasadrivemotorinthetractionmodetoconvertelectricenergyintomechanicalenergy,andworksasageneratorinthebrakingmodetoconvertmechanicalenergyintoelectricenergy.Tractionmotor

(YJ268A)Thegearboxservesasthewheelaxleforthedrivelocomotivemainly,andusuallyconsistsofabiggearandasmallgear.Thesmallgearconnectsthetractionmotor,andthebiggearconnectsthewheelset,transmittingthemechanicalenergygeneratedbytherotorofthetractionmotortothewheelsofthelocomotivetostartandstopthe

train.Part

2Vocabulary1device [d?'va?s]n.

裝置；儀器；器具；設(shè)備2voltage ['v??lt?d?]n.

電壓；伏特?cái)?shù)3distribution [d?str?'bju??n]4independent [?nd?'pend?nt]n.分配；分布；分發(fā)；分送；經(jīng)銷，分銷adj.獨(dú)立的；自主的；公正的；無(wú)偏見(jiàn)的Part

2Vocabulary5convert [k?n'v??t]v.

轉(zhuǎn)換；（使）轉(zhuǎn)變；（使）改變（觀點(diǎn)、習(xí)慣等）6individual [?nd?'v?d?u?]n.

個(gè)人；與眾不同的人；有個(gè)性的人；7rectification [rekt?f?'ke??n]n.

糾正；修正；矯正；校正8filtration [f?l'tre??n]n.

過(guò)濾；濾清；濾除adj.

個(gè)別的；單獨(dú)的；一個(gè)人的Part

2Notes車輛供電系統(tǒng)單獨(dú)供電柴油機(jī)接觸網(wǎng)主變壓器三相交流電內(nèi)燃機(jī)trainpowersupply

systemseparatepowersupplydieselgeneratoroverhead

linesmaintransformerthree-phaseACinternal

combustionPart

2Reference

Translation牽引傳動(dòng)系統(tǒng)一般采用交—直—交傳動(dòng)形式。電力牽引交流傳動(dòng)系統(tǒng)的構(gòu)成主要有受電弓、主斷路器、牽引變壓器、牽引變流器、三相交流牽引電動(dòng)機(jī)、齒輪箱等部分。Thetractiondrivesystemusuallyadoptsthedrivemodeof

AC-DC-AC.TheelectrictractionACdrivesystemiscomposedofapantograph,amain

circuitbreaker,atractiontransformer,atractionconverter,athree-phaseACtractionmotor,

agearbox,

etc.Part

3Brake

SystemPart

3PassageThebrakesystemisthesystemusedbyatraintodecelerateorstop,andensure

drivingsafety.Thebrakesystemisfilledwithcompressedair.Theairsupplysystemconsistsofanaircompressorandamainairreservoir,andservestosupplycompressedairforthewholesystem.Theautomaticbrakevalveisthedeviceusedbythelocomotivedrivertocontrolthetrain’sbrakesystem.theairsupply

systemautomaticbrake

valveThebrakesystemthebrakeand

basicbraking

devicebrakepipe

runningPart3 PassageWhenthebrakepipeisdecompressed,theairdistributionvalvemakesthecompressedairintheauxiliaryairreservoirenterthebrakecylindertopushthepiston,sothatthe

brake

shoes firmlypressthewheeltreadthroughtheleverinthebasicbrakingdevicetoblocktherotationofthewheels,anddecelerateorstopthetrainthroughtheadhesionbetweenthewheelsand

rails.The

brakeanairdistribution

valveanauxiliaryair

reservoirabrake

cylinderPart

3 PassageThebasicbrakingdeviceiscomposedofaseriesofdrivelevers,brakebeamsandbrakeshoes

(orbrakeshoesand

discs).1.Aircompressor;2.Mainair

reservoir;3.Pipeofmainairreservoir;4.Brake

valve;5.Mainbrakepipe;6.Brake

cylinder;7.Pistonofbrakecylinder;8.Resetspringofbrake

cylinder;9.Pistonrodofbrakecylinder;10.Basic

brakingSystemdiagramoftrainbraking

devicePart

3Vocabulary1decelerate [di?'sel?re?t]v.

減速；（使）減速行駛；降低運(yùn)行速度；（使）減緩2ensure [?n'???(r)]v.

確保；保證；擔(dān)保3respectively [r?'spekt?vli] adv.

分別地；分別；各自；順序?yàn)?；依次?charge [t?ɑ?d?]v.

收（費(fèi)）；給……充電；使充滿（……情緒）；注滿（玻璃杯）Part

3Vocabulary5auxiliary [??ɡ'z?li?ri]adj.

輔助的；備用的6compress [k?m'pres]7valve [v?lv]v.（被）壓緊；精簡(jiǎn)；濃縮；壓縮；壓縮（文件等）n.

閥門(mén)；閥；氣門(mén)；活門(mén)Part

3Notes空氣壓縮機(jī)總風(fēng)缸制動(dòng)閥制動(dòng)缸緩解彈簧基礎(chǔ)制動(dòng)裝置閘瓦aircompressormainairreservoirtraction

transformerresetspringofbrake

cylinderbasicbraking

devicebrakeshoePart

3Reference

Translation列車制動(dòng)系統(tǒng)是用以實(shí)現(xiàn)列車減速或停止運(yùn)行，保證行車安全的設(shè)備。制動(dòng)裝置由裝在機(jī)車上的供風(fēng)系統(tǒng)和自動(dòng)制動(dòng)閥、分裝在機(jī)車和車輛上的制動(dòng)機(jī)和基礎(chǔ)制動(dòng)裝置以及貫通全列車的制動(dòng)管（又稱剎車管）組成。Thebrakesystemisthesystemusedbyatraintodecelerateorstop，andensure

drivingsafety.Thebrakesystemiscomposedoftheairsupplysystemandautomaticbrakevalveinstalledonthelocomotive,thebrakeandbasicbrakingdeviceinstalledonthelocomotiveandcarriagesrespectively,andthebrakepiperunningthroughthewhole

train.Part

4Network

SystemPart

4 PassageAvarietyofbustechnologiesareappliedtointerconnectcomputersdistributedindifferentcarriagesandperformingcertainfunctionsindependentlytoformanindustrialLAN,andrealizesuchobjectivesasresourcesharing,collaboration,decentralizedmonitoringandcentralizedoperations.Thetraincontrolanddiagnosisinformationdatacommunicationworkisknownasthetraincommunicationnetwork(TCN)for

short.cturaldiagramof

TCNPart

4PassageThemostprominentfeatureofWTBisthatwhentrainsarereconnectedforcommunication,theycanidentifyandmarkthepositionanddirectionofeachtraininthetrainformationautomatically.MVBisusedtorealizetheinterconnectionofthecontrolunitsanddevicesina

train.TheTCNstandardstipulatesthatitadoptsamaster-slavemediumaccesscontrolbasedonabusmanagerintermsofreal-timetraincommunication,andthatitadoptsamedium-busmanagerredundancytechnologyintermsof

reliability.Part

4Vocabulary1detection [d?'tek?n]2process ['pr??ses]3monitor ['m?n?t?(r)]4identify [a?'dent?fa?]n.

偵查；探測(cè)；發(fā)現(xiàn)；察覺(jué)n.

過(guò)程；進(jìn)程；工藝流程；工序；v.

處理；加工；審閱n.

班長(zhǎng)；監(jiān)視器；監(jiān)控器；顯示屏；vt.

監(jiān)視；檢查v.

識(shí)別；鑒定；確認(rèn)；發(fā)現(xiàn)；找到；說(shuō)明身份Part

4Vocabulary5standard ['st?nd?d]6redundancy [r?'d?nd?nsi]n.

冗余；多余n.

標(biāo)準(zhǔn)；（品質(zhì)的）水平；規(guī)格；adj.

標(biāo)準(zhǔn)的；正常的Part

4Notes列車通信網(wǎng)列車總線車輛總線狀態(tài)監(jiān)測(cè)故障診斷traincommunication

networkwiretrainbusmultifunctionvehiclebusstatus

monitoringfaultdiagnosisPart

4Reference

Translation列車控制、檢測(cè)和診斷系統(tǒng)，是以車載微機(jī)為主要技術(shù)手段，對(duì)列車的運(yùn)行控制、機(jī)車控制、車輛控制、狀態(tài)監(jiān)測(cè)、故障診斷以及旅客信息服務(wù)，進(jìn)行綜合處理的應(yīng)用于列車的控制系統(tǒng)。Thetraincontrol,detectionanddiagnosissystemisacontrolsystemthatprocessesthetrain’soperationcontrol,locomotivecontrol,traincontrol,statusmonitoring,faultdiagnosis,andpassengerinformationservicescomprehensivelybasedmainlyontheonboard

microcomputer.Part5Air-conditioning

SystemPart5 PassageTheventilationequipmentusuallyadoptsamechanicallyforcedventilationmode,andisinstalledintheendceilingorceiling-mountedmodularair-conditioning

unit.Theair-conditionercontrolsystemisusedtorealizetheautomaticormanualcontrol,

protection,andfaultdisplayoftheequipmentforventilation,refrigeration,heating,humidification,

etc.1.Ventilation

equipmentThe

ventilationequipmentcentrifugal

ventilatorairreturn

ductfreshair

ductairsupply

ductPart

5Passage2.Refrigeration

equipmentTherefrigerationequipmentisusedtocoolairsuppliedintothetraininsummer,andhassomedehumidifyingeffect.Thevaporcompressionrefrigerationequipmentusedinpassengertrainsiscomposedmainlyofapistoncompressor,anair-cooledcondenser,anevaporator,expansionvalvesorcapillarythrottlingelements,

etc.Theautomaticair-conditionercontrolsystemcanstartandoperatethecompressor,

condenserandcoolingfan,maintaintheintakeandexhaustpressures,andlubricantpressureofthecompressor,etc.Tosuitchangesintheexternalclimateandpassengervolume,itcanadjusttherefrigerationcapacity

automatically.Part

5Passage3.Heating

equipmentIncoldweather,theheatingequipmentcanheatairsentintothetraintocompensatefortheheatlossofthetrainbody,doorsandwindows.Commonlyusedheatingequipmenthastwotypes:warmwaterheatersandelectric

heaters.Forheaterarrangement,electricorwarmwaterairpre-heatersareusuallyinstalledintheairtreatmentchamber,andwarmwaterradiatorpipesordecentralizedelectricheatingelements

areinstalledonthecarriage

floor.Theautomaticair-conditionercontrolsystemshouldswitchonorofftheheatingelementautomaticallybasedonthechangeintheexteriortemperatureandpassengervolumeincoldweather,andadjusttheheatingcapacitybychangingthe

heatingPart

5Passagepoweroftheelectricheaterortheamountofcirculatingwarmwaterenteringtheairpre-heatersandradiatorpipes.4.Humidifying

equipmentInwinters,apassengertrainhasasmallerpassengervolume,sothattherelativehumidityoftheinteriorairmaybelowerthan30%,andahumidifiershouldusuallybeinstalledintheairtreatmentchamber.Inthiscase,theautomaticair-conditionercontrolsystemshouldadjusttheinputcurrentortimeofthehumidifier,andcontroltheamountofgeneratedsteamautomaticallybasedontherelativehumidityoftheinterior

air.Part5 PassageToimprovecomfort,theautomaticair-conditionercontrolsystemofthecarriagesmayalsooperateinthefollowing

modes:(1)Controltheoperationofseveralrefrigeratorsthroughamicrocomputerusingroomtemperature,exteriortemperatureandsolarradiationsensorssothattheinteriortemperatureisdistributedevenly.(2)Inthehigh-humidityplumrainseason,controltheinteriordiscomfortindexusinghumidity

sensors.Part

5Vocabulary1ventilation [v?nt?'le???n]2humidification [hju?m?d?f?'ke???n]n.

通風(fēng)；通氣能力；通氣量；通風(fēng)設(shè)備n.

濕潤(rùn)狀況；濕潤(rùn)（作用）3inhale [?n'he?l]v.

吸入；吸氣4compensate [k?mpense?t]5interior [?n't??ri?(r)]6exterior [?k'st??ri?(r)]v.

補(bǔ)償；彌補(bǔ)；給（某人）賠償（或賠款）n.

內(nèi)部；里面；內(nèi)陸；內(nèi)地；腹地n.

外部；（尤指建筑物的）外觀；外貌Part

5Notes離心式通風(fēng)機(jī)活塞式壓縮機(jī)太陽(yáng)輻射熱傳感器膨脹閥centrifugalventilatorpistoncompressorsolarradiation

sensorexpansionvalvesPart

5Reference

Translation通風(fēng)設(shè)備工作時(shí)，從車端側(cè)門(mén)上部或單元式空調(diào)機(jī)組兩側(cè)的新風(fēng)口，吸入新鮮空氣，與從客室回風(fēng)口吸入的再循環(huán)空氣混合，經(jīng)濾塵器過(guò)濾后，由通風(fēng)機(jī)送入空氣處理室，進(jìn)行夏季的冷卻去濕或冬季的加溫加濕處理，沿送風(fēng)道經(jīng)各個(gè)送風(fēng)口，送入客室或各個(gè)包間。Whentheventilationequipmentoperates,freshairisinhaledfromthefreshairportsintheupperpartoftheendsidedoorsoronbothsidesofthemodularair-conditioningunit,andmixedwiththere-circulatedairinhaledfromthereturnairportsofthe

carriages.Thanks！《軌道交通智能控制技術(shù)專業(yè)英語(yǔ)》（中英雙語(yǔ)）Unit

3RailTransit

VehiclePart

1Part

2C

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t

e

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sHigh-speedRailTrainUrbanRail

TrainsElectric

LocomotiveHigh/Low-speedMaglev

TrainsPart

3Part

4Part

1High-speedRail

TrainPart

1PassageHigh-speedrailmeansarailwaysystemwithahighdesignstandardlevel,designedforthesafeandhigh-speeddrivingof

trainsHigh-speedrailhasdifferentprovisionsindifferentcountries,agesandacademic

fields.High-speedrailthatweoftensayrefertotherailstructure,namelythelinecomposition.Railstructureconsistsmainlyofsteelrails,couplings,sleepers,

roadbeds,switchesandanti-climbingequipment,andhassuchmainfunctionsasdirectionguidance,bearing,transfer,bufferingandpositioningfortrain

operation.Part1 PassageAmotor

carAmotorcarreferstoamotorizedlocomotiveorcarriageinarailtransitsystem,whichrunsonrailsandcangeneratecertaintraction.Motorcarsincludetwomaincategories—locomotivemotorized

carriages.Foratraintooperatenormallyonrails,theremustbeamotorcarthatprovides

sufficienttractionforthewholetrain,butanon-motorizedtrailerisnot

necessary.withdriving

wheelsacorrespondingnon-motorizedcarisatrailer.Part1 PassageMotorcarshavetwo

categories.Oneissinglelocomotives,whichareresponsiblefortraintractionwithoutthecarryingfunction;theotherismotorizedcarriages,whichnotonlygeneratetractionbutalsohavethecarryingfunction,andcancarrypassengersorgoodsonthe

train.Thestructureofamotorcarhasthefeaturesofcarriagesand/orelectriclocomotives.Itsbody,chassisandrunninggeararelargelyidenticaltothoseofa

carriage.Structuraldiagramofhigh-speedrail

trainPart1 PassageThemaindifferenceis：thattherearedrivingcontrolequipmentandviewingwindows

onbothendsofamotorcar’s

body.Ahydraulicallydrivendrivingbogiehastwomodes:Oneisthesameasa

mechanicallydrivenmotorcar,andtheotherisinstallingboththedieselengineandthehydraulicdrivingunit

onthebogietomakethestructurecompact.Inastrictsense,amotorcarisatraintype,ahigh-speedrailisarailwaylinetype,andtheyarenotthesame

concept.Parameterofh