文献翻译先进转向架测试系统的发展.docx

文献翻译先进转向架测试系统的发展.docx

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文献翻译先进转向架测试系统的发展

附录

Advancedthedevelopmentoftestsystemsbogie

Summary:

Thisarticledescribesthecurrentpassengercarproblemsfacedbytestsystem.Advancedtestsystemsontheforefrontofscience.Andlookforwardtoanadvancedprospectsforthedevelopmentoftestsystem.

Keyword:

Advancedtestsystem；Frontierscience;Applicationsprospects

Inrecently,withthecallingsbecomingmoreandmoreseriouse,thepeoplepayattentiontofatiguelifeofcomponentwhichrelativetosecurityandeconomics.So,theyallputforwardfrondoserequestsforfatiguelifeofcomponent.Inthetwenty-fistcentury,thefatigue-lifeforecastofcomponentisappliedincompaniesallovertheworldstepbystep.Insomecircumstance,peoplecanforecasttheexactpositionoffatiguedamageandcomparethedifferencefatiguelifeexistsamongcomponentsunderdefiniteloadwhicharemadeindifferentmethod.Duringthedesignandmodifyingofnewpart,wemakefatiguelifeanalysisinordertogetthereliablefatiguelifeofcomponentAsresult，wecanshortenresearchingcycleandsavealotofexperimentaloutlay.Thetraditionalmethodisthatmakeexperimentwithalocomotivesampleintest-caryardandroad,whichwastelongperiodandalotmoney.However,thismethodnotonlycan'tfindouttherootofproblem,butalsodothetestaftermanufacturingthevehiclesandthatistosay:

wecanonlytestitbutnotforecast.Presently,inthefiercecompetitionsinmarket,theproductsrenovationbecomeincreasingandmatureproductsimprovecontinuelytoadopttomarketrequests.Therefore,theimportanceoffatiguelifeanalysisofcomponentinproductdesignandimprovementisregardedbyresearcher.Withhigh-speed,heavy-dutytrainthedevelopmentofrailwayvehiclesKineticpropertiesofahigherdemand.ParticipationoftheperformanceofthebogieDynamicsofthenumberofvehicleshavegreatimpactonperformance.UsuallyinthebogieDesign,theuseofspecializedsoftware,thedynamicperformanceofthebogieOptimizationparameters,butbecauseoffactorssuchasmanufacturingprocesses,theseperformanceparametersThenumberofactualvaluesvarygreatlywiththetheoreticalvalue,itisdifficulttograspinthedesign,Asaresult,oftenresultinginthemanufactureofcardesignaftertheperformanceoflessthanSeeking,orspendalotoftesttimeandfundingneedtomeetthedemand,notOnlyleadtowasteofresources,butalsodelayedtheproject.SotherollingstockfactoryinChinBogieDevelopmentBankhavecalledforthebogiewhentheparametersfortesting.WestNationalChiaoTungUniversityandZhuzhouSouthernfactoriesvehicles,developedamulti-functionalperformanceParametersoftest-bed,notonlytotesttheparametersofthebogie,butalsoStaticstrengthofbodyandpartstesting.TheentiretestbedisthekeytothehydraulicservoloadingsystemandtestAnalysissystem.

Atpresent,thetrainsofincreasingspeedonmainrailwaylineshaveworked.Thecarriagewithhighspeedandcarriagewithheavyloadarethefuturetrendestablished.Bogieframeworkisoneofthemostimportantcarryingcomponentsinrollingstock,whichisthestructureofanon-steeringforrollingstock.Agreatofresearchbothathomeandabroadindicatesthatfailuremodelsofrollingstock.frameworkareusuallyfatiguebreakingunderthefunctionofrandomload.Inordertoguaranteethesafetyoftravelingtrain,itisimportanttoanalyzethefatiguelifeevaluationandreliabilitydesign.Thispaperanalyzesthefinitestress&strainof

bogieframeworkandweldingseam,andthenitsfatiguelifebasedonfiniteelementanalysissoftwareHypermesh,MSC.Patran/Nastranandfatiguesoftware,sowededucereliablepredictionoffatiguelifeandsaveagreatdealofexperimentationcost.Thethesishassignificantguidingmeaningforproductdesign.

Trainbogiesuspensionofthesecondarysuspensiondevicetoensurethatthetrainissafe,comfortableoperationofthekeypieces.High-speedtrainsrunning,inordertoreducethebody'svibrationfrequency,thispaper,thesecondarysuspensiondeviceoftheairsprings,cylindricalmetalrubberspringstiffnesstests.Carbodytoreducethestressarisingfromtheunknown,giventhesecondarysuspensiondeviceoftheheightdifferencebetweenthetestmethods.Subwaymakesthecomfortofvehicles,safetyisguaranteed.MetroBogienewlydevelopedintegratedtestplatformcandoastatictest.Behindinthearticle,butalsoaneedforcorrectiongivendisplacementsensor,pressuresensorzero,aslongasthedynamictestingofthemaximumdisplacementresponse,theinitialvalue,finalvalueandtheloadingcapacitytorespondtotheinitialvalue,terminalvalue,toobtainasuspensiondevicesthanthecoefficientofdamping,thedynamicstiffnessofthetestprogram,andPXI-1000B8-slotchassis,interpolationPXI-6070Edataacquisitioncard,theapplicationofgraphicalprogramminglanguagesuccessfullyfortheimpositionofexcitationpower,thedynamicmeasurementshiftroundtwoofthefourverticaldisplacement,fourhorizontalandfourverticaldisplacementoftheexperimentalpressure,youcanreceivereal-timefour-wheelbogietrainthestiffnesscoefficientanddampingratio.Forthetrainbogiecomprehensivetestsystemtoimprovethefoundation.

China'sBeijingratherTektronixproductsproducedbytherailwaybogieperformancedetector,usedtomonitorthevehiclewasturningacornerwhenrunning.Bogiedetectormeasuringtheperformanceofvehiclesinresponsetoturningacorner,aswellasthemechanicalconditionsofvehiclesandotherinformation.WILDinthecompanyoftheframe,TPDtoprovideareliablemonitoringsystemtohelpusersinreducingthedevelopmentofkeyaspectsofrailwearandtearofthedecision-making.

1.Characteristics:

Trains,vehiclesandwheelsinformationtwo-waytrafficcountsandautomaticvehicleidentificationofhigh-qualitywiredandwirelesscommunicationshardware（morethan20yearsofdesignandimprovement）automaticalarmautomaticfaultdetection

2.Features:

Reducethenormalworkofmonitoringthestatusofeachvehicletomonitorthetrainsperformanceevaluationtoassesstheeffectoflubricationbringsdifferentpartsofthevehicletoimprovethesafeoperationoftheoperationtoreduceoperatingcostdatatomonitorthedevelopmentofmaintenanceprogramsbasedontheperformanceofdetectorbogie

3.Measurementandcalculation:

Horizontalwheelsstresstheimpactofverticalwheelaxialstress（AoA）automaticvehicleidentificationL/Vratio（thewheellateralforce/verticaledge）TSLV（bogiesidehorizontalforce/verticaledge）NAL（netaxlelateralforce）LTFR（beforeandafterthepowerratio）bogieaxleloadloadloadvehicles

4.Systemspecifications:

Operatingspeedrange:

50-300km/hmeasurementaccuracy:

50Newtonaccuracy:

1%static,dynamicmeasurementof2%District:

turnright（awayfromthepillow2）/tangent（fromtwopillow）/leftturn（2apillowawayfrom）theinstallationofthestentinthe19-inchelectronicequipmentEnergy:

120/220VACor12/24VDCpowerconsumption:

24voltsDCabout4ampsofelectronicsystemsoperatingtemperature:

0-55degreesCelsius

Flexibletestingtechnologyisbasedonavarietyofrelatedtechnologiestomeetthecomplexanddiverseneedsoftestandmeasurementtechnologysystematization.Itisavirtualinstrumentintegration,testandmeasurement,mechanicalandelectricalintegration,networkcommunicationsandsoftwareandothertechnology;bothapplication-orientedandfocusonthecreationoftestsystemsanddevelopment.

Throughoutthedevelopmentoftestandmeasurementindustry,thetraditionaltestandmeasurementequipmentforengineeringtestingprovidesapowerfultool.Testandmeasurementequipmentbasedonthetechnologyofvirtualinstrumenttechnologyistheuseofcomputertechnologyanddigitalsignalprocessingtechnology,hasbecomethemostpowerfultestandmeasurementtools.Itspowerfulanalysiscapabilitiesandflexibleconfigurationoftheformofatool-richmodule,thetestfortheprojectgreatlyfacilitated.However,thevirtualinstrumenttechnologyismorefocusedontestandmeasurementrequirementsfortheprovisionoftechnicalmeans,fromthecompletetestandmeasurementsolutionsorsystemthereisstillaconsiderabledistance.

Testtheconceptofflexibletechnologyinordertosolvethisproblemisproposed.Itwilltestandmeasurementsolutions,orsystemconsideredasawhole,accordingtotestingrequirementsandmeasurementstartingfromtheapplicationobjecttoplanacompletetestplatformtocompletetheonlytestandmeasurementtechnologyusingconventionaltestsystemdifficulttoachieve,foravarietyoftestandmeasurementneedstoprovideacompletesolution.

1.Applicability:

tomeetawiderangeoftestenvironmentrequirements,providesawiderangeoftestperformance,abilitytointegrateavarietyofsignaltesting.Flexibletestingtechnologytotestandmeasurementtechnologyandvirtualinstrumenttechnology,andgivefullplaytotheadvantagesofvirtualinstrumenttechnology,combinedwithtechnology-relatedfieldstoadapttoavarietyoftestenvironment.

2.Flexibility:

tochangethetestinaccordancewithcustomerneedsandperformanceofthefunctionofthesystem,usingavarietyoftechnologiestomeetthetestingrequirements.Flexibletestingtechnologymeanstheuseofmoderntechnologyplayamodular,plug-ins,andtheadvantagesofthedistributeddesign,sothatthetestsystemisveryflexibleandeasilytomeetchangingtestneeds.

3.Scalability:

Withthedevelopmentofrelatedtechnologiestoensurethattheadvancednatureoftheapplicationsystem,testingtheabilitytoachieveprogress.Advancesintestingtec