自动变速箱换档过程建模方法比较

:100628244(2005)04221203CompareofModelingMethodofShiftProcessofAutomaticTransmission(,200092)FANXu2dongLUXiongYUEWen2fengYUZhuo2ping(TongjiUniversity,Shanghai200092)[],,,,[Abstract]Asimplifiedmodelisusuallyusedintheresearchofshiftprocessofautomatictransmission.Inthismodelthedynamiccharacteristicisignored,sotheresultofsimulationisnotexact.Inthispaperanewmodelingmethodispresented.Thismodelincludesthemean2valuemodelofengineandthedynamicmodelofconversion,canreflectshiftprocessofautomatictransmissionmoreexactly.:Keywords:AutomaticTransmissionShiftProcessModelingMethod:U463.22+1:B:,;,;,,[1],,,,,1,,,1[2]1:B;T;E;G;TE;TB;TT;TG;TL1.1[3],,mff=(1/f)(-mff+mfi)mfv=(1-X)mfimf=mff+mfv(1)ddt12In2=Inn=-(Pf+Pp+Pb)+Huimf(t-d)(2):mac;mat;n;Pm;Vd;R287e-5;Tm;Pr;;mfi;mfv;mffmff;mf;f;X;Pf;Pp;Pb;H,i12194200512DRIVESYSTEMTECHNIQUEVol.19No.4December20051Fig.1TheModelofvehiclepowerdriveline,I,d1.2,,[4],TDPy:TDPy=dLdt=JBy=dBdt+EBdQdt+TB(3):-TDPy=TT-JTydTdt-ETdQdt(4):JByJTy;TBTT;EBET,;L;Q,JBJT:TB=TDB-JBydBdt-EBdQdtTDB=TDe-JBdBdtTDe=Te-5Te5ededt(5):TDe;5Te5e1.32,C1C2C1,C2;C1,C2JI,Jo;i1mi2mC1C2;i1si2sC1C2;TC1TC2C1C22Fig.2Transmissionshiftequivalentmodel:JI00JoTG=TT-1i1mTc1-1i2mTc2-TL+i1sTc1+isTc2(6),Tcx=sign(cx)cApzrmpx=1,2(7),c;Ap;z;rm;p;cx;TL(C1),:Tc1=1Jo/i21m+i21sJIJoi1mTT+i1sJITL-Joi1mi2m+i1si2sJITc2(8)G=i1TT-TL+1i2m(i2-i1)Tc2i21JI+Jo(9)2,ETH,22::TE=TE(TH,E)(10):TB=(i)D52p,TT=K(i)TB(11):i=TB;D;;(i)3Fig.3Inupshiftprocesseveryphysicalparametertimehistory,Matlab/Simulink,,3,,,3,0.8,8km/h,,,;,,,,3.15-3.35,3.35-3.59;,3.15-3.33,3.33-3.46,C2,,i1Gi2G,,,,,,,,,,,,3.6,50NM,65NM,,,70NM,100NM;,60NM,90NM,,,,,,C2,,,C2,:,,3,,,(26)32:(),,,,,,(AirVent),,,4(0.2/PKG)Fig.4Comparisonofinternalvoidamount(over0.2voids/PKG),(),,,,,,,,,4(1),,;,,(2),IC,,,,,[5][1].[J].,2002,(5):911.[2].BGA/CSP/WLP[J].,2003,(3):9698.[3].[M].:,2003.[4]DouglasC,Montgomery.DesignandAnalysisofexperi2ments[M],Thirdedition.2001.[5]()[R].PKG2972158,6(1997).(20)suchaswholevehiclesimulationsoftwarepackagesaresharedbetweendivisionswithintheZFgroup.Becausesystemintegrationhasbecomeamandatoryrequire2mentoftheOEMsintheautomotiveindustry,ZFhastakenaleadroleinthiskindtechnology.SystemintegrationpromiseshighreturnsfortheusersandOEMsofindustrialve2hiclesThebenefitsthatZF’sproductsgainthroughusingthesesynergiesalsocontributessignificantlytoquantumleapsininnovationintheoff2highwayandindustrialvehiclemarket.Whilethelastgener2ationofproductshavebeenoptimizedwithrespecttoshiftquality,noiseemission,andproductandprocessquality,thenewgenerationstrivestowardincreasedefficiencyandimprovedenvironmentalcharacteristics.Theamountofoilwhichmustbeboughtandlaterdisposedof,orhowfiltercartrid2gescanbebetterdesignedforrecyclingareimpor2tantfactorsforconsiderationinthenewgenerationofproductsfromZF.Fuelconsumptionandloweroveralloperatingcostsarenowmoreheavilyweigh2tedinthelistofdevelopmentgoalsprovidedbytheOEMs.InZF’sopinion,ahigherlevelofinnovativecomponentintegrationinadrivelinesystempro2videsasolidbaseforsupportingtheOEMsinreac2hingtheirgoals.(23)[1],.[J]..2001,18(2)[2],.[J].,2003,17(3)[3].[D].,,200362:IC