道路模拟试验中道路载荷谱的选择方法

:1009-444X(2004)01-0006-04,,(,200092):,,,:;;;;:U467.1+3:AASelectingMethodofRoadLoadingSpectraUsedinRoadSimulationPENGWei,JINXiao2xiong,SUNShi2wei(SchoolofAutomobileEngineering,TongjiUniversity,Shanghai200092,China)Abstract:RoadsimulationbasedonRemoteParameterControltechnologyplaysanincreasinglyimportantroleinthedevelopmentprocessofcar.Inthispaper,onthebasisofcalculatingpseudodamageoftheloadingspec2traacquiredbyroadtests,apracticalselectingmethodisintroducedaccordingtostatisticaltheory.Thisre2searchresultcanpreparethegroundforroadsimulationinfurtherstep.Keywords:remoteparametercontrol;roadsimulation;loadingspectra;pseudodamage;selectingmethod:2003-11-10:(1971-),,,,.,,.,,,,:;;,,,,RPC,,RPC,,,,,,,EVP,18120043JOURNALOFSHANGHAIUNIVERSITYOFENGINEERINGSCIENCEVol.18No.1Mar.2004,12070,MTSRPC(RemoteParameterControl),RPC,,,,(()),,,,5[1,2]:(1);(2),,,(3),(4):,,,(5):4,,2,34,,;,RPC,,2(),,,IGEL,(WheelForceTransducer),WFT,,,266,16,,,IST,,,,,,,,,,,,[3],,,301Aditec,4830Hz71,:1Fig.1Diagramoftestingsystem,312.5Hz(EVP),,8,2,16EVP,3,5,60%32(WFT)Fig.2WFTandtestingsystem3EVPFig.3TimehistoryofloadingspectraacquiredinEVProad3,EVP,,5,EVP15,,,,,,,S-N,(pseudodamage)LMSTECWARE818,(),,30,301151(,5,15)1Tab.1DamagevectorsEVP1EVP2EVP3EVP4EVP5019-[35]3.59607E-53.57182E-53.4471E-53.68632E-53.43922E-5020-[36]3.68589E-73.15895E-73.22342E-73.16356E-73.01624E-7021-[37]2.60001E-62.43796E-62.33134E-6.40838E-62.35378E-6022-[38]1.1642E-81.09542E-81.03806E-81.21827E-81.00897E-8023-[39]1.20248E-51.14296E-51.17127E-51.21694E-51.18016E-5024-[40]4.82673E-64.67962E-64.6079E-65.25649E-64.46732E-6025-[41]4.1632E-83.98101E-83.59876E-83.87538E-83.78802E-8026-[42]2.42739E-92.28944E-92.12482E-92.19157E-92.26886E-9027-[43]2.50081E-102.37632E-102.14813E-102.28113E-102.19214E-10028-[44]6.89539E-65.96979E-65.47609E-66.00094E-65.5422E-6029-[45]3.11122E-113.07505E-113.09066E-113.35441E-112.92195E-11030-[46]1.60715E-101.31464E-101.31629E-101.4643E-101.39465E-10031-[47]2.84798E-112.6861E-112.5066E-112.67806E-112.9215E-11032-[48]2.04519E-61.96143E-61.76715E-61.91266E-61.8748E-6033-[49]1.76772E-91.34673E-101.61309E-102.22668E-103.15358E-10,,,,,50%,(f(x)),ROSSOW[4],n,n,:X1X2----Xi.----XniXiPp^=3i-13n+13100%(1):p^:;i:;n:p^50%,n,i,n,i,,50%,15,,30,,,,,,,iYi,Ym:Ym=1nni=1Yi(2):n,Yi:Yi=Yi-Ym(3),,(61)91,:Connection,SourceRecordsetSQL,SQL,RecordsetOpen:SetMyRs=Server.CreateObject(ADODB.Recordset)Source=select3fromeleTablewheretype=kd2400ActiveConnection=DSN=Myexa;UID=;PWD=;CursorType=adOpenStaticLockTyupe=adLockReadOnlyOptions=adCmdTextMyRx.OpenSource,ActiveConnection,Cur2sorType,LockType,Options3ODBC,OLEDBActiveXDataObjects(ADO)ADO:[1].Web[M].:,2002.[2]DavisC.VisualC++6.0[M]..:,1999.[3],.SQLServer2000[M].:,2001.[4].VBScript[M].:,1999.[5].Access2000[M].:,1999.(9),,,,,,,4,,,:[1],.[J].,1999,(3).[2]HUANGLi2ping,AgrawalH,KurudiyaraP.DynamicDurabilityAnalysisofAutomotiveStructures.SAEPaper980695.[3].[D].,:,2003.[4].[M].:,1986.161:ASP