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.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
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- 文献 翻译 先进 转向架 测试 系统 发展
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