搜索
21520009JournalofJiangsuUniversityofscienceandTechnologyNaturalscienceVol.21No.5sept.2000212013....U270.1A1007-1741200005-0030-04AutomatictransmissionATAT.ATATATAT.AT.AT..!112T=!t0dt=!21!mFt~Ff+FWd1!mkgFtNFfNFWN07T=7=1T=7=1!21!mFt~Ff+FWd2I.Ff=mgf3gg=981ms2ff=00076+0000056.kmhFW=CDA221154CDAm22Ft!.FtTt=f7t52000~03~141976~################################################################.TtNm7trminAT.1...1.1Fig.1Put-outpropertyoftorCueconverterTt=a0+a17t+a272t07t7ta3+a47t+a572t7t7t7tmax67trmin7tmaxrmin6=0.377T7ti0ig7Ft=Tti0ig!T8i0igTm!FtFt=a0+2.65a1+7.04a222!00.3777ta3+2.65a4+7.04a522!0.3777t0.3777tmax9=i0igT!AT=1+1mIWT2+IfdIedtmai0ig!Tddt10IWkgm2Ifkgm2a#eradSd#edt=d#tidt=itd#tdt-#tdidti2t=i0igTitddt-didti2t11#tradSi1110=1+1mIWT2+Ifmi20i2gT2!ait-didtddti2t127p7t2.7p=b0+b17t+b272t07t7tb3+b47t+b572t7t7t7tmax13i=7t7p7i=0.377b0+b1+2.65b22200.3777t0.377b3+b4+2.65b5220.3777t0.3777tmax141352Fig.2Curveofpumpspeedagainstturbinespeedai3a=c0+c1i0iic2+c3iiiimax15iimax141512!j=1+1mIWT2+1mIfd2jc0+c1dj0.377b0+b1dj+2.65b2d2j2b1+5.3b2dj00.3777tdjc2+c3dj0.377b3+b4dj+2.65b5d2j2b4+5.3b5dj0.3777tdj0.3777tmaxdj163Fig.3CurveoftorCuemultiplicationagainstspeedratio!AT2..ddtj=ddtj+1Ftj-Ff+FW!jm=Ftj+1-Ff+FW!j+1m1734916jj+1.17jj+1.m=15500kgATig1=3.49ig2=1.86ig3=1.41ig4=1ig5=0.75ig6=0.65i0=6.166T=0.512mA=5.757m2IW=86.73kgm2If=1.92kgm2CD=0.6=0.9Tt=0.00033272t-1.297t+21110rmin7t1530rmin0.00039372t-1.527t+22741530rmin7t1900rmin7p=0.0001672t+0.01657t+15570rmin7t1530rmin-0.00001272t+0.7767t+8001530rmin7t1900rmina=-1.525i+2.1490i0.78-0.4i+1.3060.78i0.85Ftj=0.00234d2j2-3.42dj+2111dj0576.8dj0.00277d2j2-4.02dj+2274dj576.8dj716.3dj2320009!10328+000017142-15215M000042442M2+00165M+587+2149100165+00008488M0!M!5768-04M-000003182M2+0776M+3016+13060776-000006366M5768!M!7163#$17.270kmh.1.1Tab.1CalculatingresultofacceleratingtimeM1kmhM2kmhIs1013.721.4013.7217.040.59217.0425.752.0725.7531.981.87331.9833.960.6933.9642.183.30442.1847.902.8747.9059.487.08559.4863.883.3663.8870.005.45Iy=28.68sIy=25.77s20kmh70kmh2Ic=33.12sIc=32.39s.61.2ATik.10%.10%Iy~=26.01s.AT.1.M..1990.2.M.1993.CalculatingMethOdfOrAcceleratingTimeOfvehiclesECuippedwithATLANGDe-hMMAOWM-benSchOOlOfAutOmObileandTrafficEngineeringJiangsuuniversityOfScienceandTechnOlOgyZhenjiangJiangsu212013ChinaAbstractATAutOmaticTransmissiOnhasbeenwidelyusedinautOmObiles.ButitspOwertrainisgreatlydifferentfrOmthatOfthetraditiOnaltransmissiOn.lnthepapertheacceleratiOnprOpertyOfvehicleseCuippedwithATisdiscussed.AcalculatingmethOdfOrtheacceleratingtimeisintrOducedusingacOmput-ersimulatiOnOfengineandtOrCuecOnvertertestcurves.ThelivingexampleshOwninthepaperandcOm-paredwithactualtestresultsverifiesthatthismethOdissatisfactOryfOrnOrmalvehicledesign.KeywordsautOmObilesATacceleratiOntimecalculatiOn.335