汽车自动变速器可靠性试验规范的研究

上海交通大学硕士学位论文汽车自动变速器可靠性试验规范的研究姓名：柯军申请学位级别：硕士专业：车辆工程指导教师：何维廉20070301ABSTRACTRESEARCHONAUTOMATICTRANSMISSIONRELIABILITYTESTCODEABSTRACTAutomaticTransmissionisimportantcomposingpart,itscapabilityinfluencequalityofcartothelargishextent.Soitisveryimportanttoensureintactteststandard.Nowthereisnotasetofautomatictransmissiontestcode,thepurposeofthispaperistoconstructsuchtestcodebyanalyzingtheexistingteststandardinhomeandthecorrelativestandardabroad,combiningwithresearchofreliabilitytheory,Itcanhelptoconstructabasicframeofautomatictransmissiontestwhichhasnotconstructafullsysteminhomeyet.Basedontraditionalreliabilitytheoryandresearchfindingsofengineandhydraulicpressuresystemreliability,thereliabilityofATisstudied.Accordingtofailurepatternsanalysis,theATreliabilitymodelinseries,whichconsistsofcontrolbearing,gearandhydraulicvalve,isestablished.Themethodofreliabilitypredictandreliabilitydistributeisshown.Combiningwiththereliabilitytestdate,itiscalculatedthesecurityofaccessoryandATtoapplythedynamicstheoryandABSTRACTstress-analysis,comparingwiththedate,itisquantitativeanalysistoreliabilitytest.LifetestingofATisstudied,whichisnaileddowntheprojectoflifttestofATandhardware.Keyword:AutomaticTransmission,Reliability,Life,Teststandard::20073920073920073911.1[1]SAE10km50km21.2AT1456723490%19981.6L,--4T65E,.1.3[2][3]3:;:R(t)F(t)[3];;;;;;();(ReliabilityScreeningTest)4;(EnvironmentTest)+(LongevityTest):(1)(2)1.4(1)5(2)(QC/T29033—91)QC/T5571999QC/T470-1999[4]ISODINJISSAEGMOPELROVELZF[5][6][7]1.567SAE(QC/T557—1999)1991QC/T290331991SAE2.1(1)(2)()(3)82.2[5][8]2.2.1QC/T55719991-34-6-1()-2()-3()9-4()-5()-6()2.2.2SAEJ6435SAE2.3[5][9]2.3.1QC/T29033101991(1)(2)(3)(4)(5)2.3.2SAEJ6518090SAEJ65180±3SAEJ6512.3.3[10]11(1)(2)(3)(4)(5)(6)(7)(8)PRND(9)(10)BIAControlSystemForATGearboxTesting2112Fig2-1BIATest-bedForATGearboxTesting(1)84HZ12000rpm1000Nm0.1%22Fig2-2NexusCurveOfInputPowerAndTorque--Speed12000rpm5000Nm2313Fig2-3NexusCurveOfOutputPowerAndTorque--Speed/24Figure24ExampleOfGearChangeRobotForAutomaticTransmissionIGBT14BMC800Windows™XPBIAWindows10KHz8/FFTExcel(2)CANECUCANGPS15Figure25Drivesimulationmodule163.1[11]16711(1)(2)ATF(3)(4)(5)(6)17(7)(8)(9)(10)(11)3.2[11][12]ISODINJISSAEGMROVER(1)GMER-7B03-63015018160D10(2)GMROVERROVERRES.57.02.50180km/h0.10.2kmGMGMER7B6GMER-7B03-8GMGMER7B6GMER-7B03-8100km2824ROVERGM(3)19GMER-7B03-2ROVERRES.57.02.501GMRDROVER(4)GMER-7B03-10ATF-3012h20/ROVERRES.57.02.501-30-30±58GM20-301N-3012hGMROVERGM-30GMROVER3.3[11][12]3.3.1Figure3-1TheTestRoadOfGMCompany21Figure3-2TheMIRARoadOfROVERCompany3.3.23.2.2.1GM200410PowertrainGMER620AT456AMTCVT5610KmS.EGMGMER-0-810km50KmGMTiptronic35km22GM20049XY2000150000ROVERRES.57.02.556RES.57.02.501RES.57.02.556E45Nardo3861.142km100445000080450km2800045052kmRES.57.02.501kickdown0100km/h1012s0.3g3km12211km3.2.2.2(1)23GMER-6-204050km/h100km/h2535kickdownTiptronic39250km60120km/h18300kmGMROVERRES.57.02.55628000kmRES.57.02.5011500kmGM(2)RES.57.02.556FTGMER-6-20RES.57.02.501WOTkickdown3224WOTWOTFigure3-3TestoperationalconditionofRES.57.02.501WOTFTFT228km/hVWOT2WOTFTFT228km/hVWOT2WOTFigure3-4TestoperationalconditionofRES.57.02.501WOT25WOTKickdownWOTEDS4S3S3EDDFigure3-5OperationalconditionofGMER-6-20testGMS.EROVERkickdownROVER2GM3GMROVERROVER(3).,RES.57.02.556,,GMER-6-20RES.57.02.501,,,3-63-7GMER-6-20RES.57.02.501025km25kmGMER-6-20RES.57.02.501GM26GMER-6-20,050100150200250010203040506070Figure3-6Speed—mileageofGMER-6-20Figure3-7Speed—mileageofRES.57.02.501(highspeedcycle),GMER-6-2010,0000kmVmax120170km/h38000kmRES.57.02.501,GMER-6-20,GMER-6-2027,RES.57.02.501VmaxGMER-6-20025km,,RES.57.02.501,GMER-6-20151.67km/h,RES.57.02.501128.57km/h25kmGMER-6-20RES.57.02.501RES.57.02.501GMER-6-2025kmGMER-6-20RoverGMER-6-20GMER-6-20RES.57.02.501GMER-6-20RES.57.02.501025kmGMER-6-2016.53kmRES.57.02.50122km25kmGMER-6-2012.652km25km37%25kmGMER-6-20GMER-6-20025kmGMER-6-20RES.57.02.501DGMER-6-202825km120km/h200km/hRES.57.02.50125kmGMER-6-20DD-E-S-DROVERGMGM3.3.33.3.3.1GME8732GMEOBD92.04km40000km100000km080km/h6070km/h120mk/h830%//3-73-8GMWOT4585km/h18.5%40000km7499km29Fig3-8distributingofGME8732speed—timeFig3-9distributingofGME8732speed—mileageROVERROVERRES.57.02.501MIRA72km/h2500WOT3.3.3.2,GME8732RES.57.02.5011515-2525-3535-4545-5555-6565-7575-8585-9595-105105-115115-1251515-2525-3535-4545-5555-6565-7575-8585-9595-105105-115115-12530,,,;,GMGMWOT/kickdownROVER:Fig3-10OperationalConditionOfGME8732LowSpeedTest31Fig3-11OperationalConditionOfRES.57.02.501LowSpeedTestGMWOT/kickdown80km/h30km/h30km/hGMROVERWOT/kickdown72km/h80km/h3304ROVER32[13]4.1[14]33413442(1)(2)35(3)(4)[15][16][17]4.24.2.1[18][19]:()1mBBtBFteη−=−(4-1):()BFt;Bη;Bm;Bm10/9Bm3/2Bm=4/3;Bη3661060RRLGYHTEpcLfffffffnfPε=(4-2):RLRhour;nr/min;CNPNε3,10/3;(1)pfpfpf=1.01.2pf=1.21.8pf1.83.0(2)Rf90%90%RRf:111lnln0.9BmRfR=(4-3)Bm10/93/24/34-3(R≥90%)374-3%909596979899RL10L5L4L3L2L1L10.520.430.330.230.1210.620.530.440.330.21Rf10.580.490.390.290.17(3)Lfδ4-24-2LfδFigure4-1nexuscurveoflubricatemodulusandoilfilmplyrate(4)Gf()