汽车EPS性能试验与评价方法研究

16220056JournalofChinaJiliangUniversityVol.16No.2Jun.2005100421540(2005)02201432052005201210(No.2003C21032)(1962-),,,LLEPS(,310018),,,,L;;U467AResearchonEPScharacteristictestandanevaluationmethodYANGQi2hua(CollegeofElectrical&MechanicalEngineering,ChinaJiliangUniversity,Hangzhou310018,China)Abstract:Pre2research,practiceandkeypointsforassemblycharacteristictestofelectricpowersteeringsystem(EPS)areprovided.Especiallyitbringsforwardthatassemblyplatformtestmethodsshouldbestandardizedandrecommendedevaluationspecificationshouldbedetailedoutduringstandardconstitution,whichmayactasareferenceinproductdevelopmentandperformanceimprovements.Keywords:electricpowersteeringsystem;assemblyplatformtestmethod;performancespecification(EPS),(HPS)LEPS,EPS,LEPS,EPS,L,HPSEPS,EPS,HPS,EPSEPSL,EPSL1EPSL1EPS,,(),,,EPS[1]LEPS,EPS,1L1EPS()(MH1)v1ö4(1),;(2);(3),L(MH)(1)90%,;(2)90%,;(3),5s,öLö(TM)v(1);(2),;(3)L(90%)L(IM)v(1),;(2)L(IT)40%(1),(2)L10ms3(MH)v(1)(20kmöh):(2)(80kmöh)L53520kmöhEPS(ECU),L21,EPS,L1EPSEPS:JeqHõõ+B1H.P+Msw=Tfz-Td(1)Jeq,B1,MswZMsw=Ks(Hp-Hh),Ks,Hp,Hh;Td;Tfz[2]Z,ZZZ,,Z2.1(1ö4)(52044116kmöh)Z,MHZ(),2,,:2M{=1nni=1ûM(Hi)û(2),Q,:$M=M(k)-M{Q(HûDû)(3),ECU,(),ZZ,,,EPSZ,,H1t,H2Z,,Z2.2,,06römin,90à,MHZ,,Z(),ECU,()Z2.3,1Nõm,,,3(IM)vZ,,Z32Z,EPS,(IM)v;,3,Z1.4(TM)EPSZ,TM:5412:EPSM+Td=T+Msw(4)Td,MswZ,3,,3(TM),4Z,,ZHPS,,:D%=ni=1aini=1bi(aibi)(5)4:D%=SaiSbi100%(aibi)(6)(6)SaiSbi(max),(5)n4Z(5)(6)Z:D%=2ni=1aini=1ai+ni=1bi100%(aibi)(7)4,;maxZ,Z,,,Z2.5,,Z1ö4,Z,(),Z5,5T1T2,ZZ2.6,Z(MH1),,,Z[2]ZZ,Z,Z,,Z6,,Z6411633L6L6:EPS;LL6:EPS;EPS:,LEPSECU,LEPS,LEPS()L4,LHPSEPS[3],L,,,LL[1].EPS[J].(),2004,25(2):116-119.[2].[J].,2003,34(4):4-7.[3],.[J].,2002,31(5):17-19.7412:EPS