汽车ABS混合仿真试验台的开发与研究

:1004-132(2000)12-1417-05ABS郭孔辉　丁海涛　刘　溧:对汽车防抱制动系统(ABS)混合仿真试验台进行了系统分析,建立了用于硬件在环仿真的车辆模型、轮胎模型、路面模型以及ABS液压系统模型,并进行了硬件在环的仿真试验。把ABS实际部件嵌入到软件环境中进行混合仿真极大地扩展了软件仿真的功能,为ABS产品开发提供了开发工具和试验平台。:;;;;ABS:U461:A:20000519:(96JF0005)(ABS)ABS,ABS,;,,,ABS[13],,,[4],[5,6],ABS1　试验台总体方案ABS,ABSABS,ABSABSABS3:ABS(1)(1)软件系统　ABS,ABS()(2)接口系统　,(3)实际ABS部件　,()ABS(ABSABS)1,ABS1417ABS2(),,,:(1)ABS控制逻辑的研究　:1-A,2-C,4-G,5-J()1-B,4-G,5-J()ABS,,(2)ABS液压系统动态特性的研究　ABS,ABS,(3)ABS传感部件的研究　ABS,,(4)ABS性能评价　:1-A,2-D,3-E,4-G,5-I()1-A,2-C,4-H,5-I(ABS)ABSABS,,ABS,ABS(5)ABS车型匹配的研究　:1-A,2-C,4-H,5-I(ABS)ABS,ABS,2　ABS动力学系统的仿真模型2.123:XOY()xoy()xioiyi();ab;d1;d2;ii;;r;()Fx=Max=M(vx-vyr)2Fy=May=M(vy-vxr)Mz=Izr,vxvyxoy2;M;Izz,,,:Fz0=Mgb2L-MaxH2L-MayHd1bLFz1=Mgb2L-MaxH2L+MayHd1bLFz2=Mga2L+MaxH2L-MayHd2aLFz0=Mga2L+MaxH2L-MayHd2aLFx=3i=0FxiFy=3i=0FyiMz=3i=0Mzi+d12(-Fx0+Fx1)+d22(-Fx2+Fx3)+a(Fy0+Fy1)+b(-Fy2-Fy3),i;0;1;2;3;FxiFyiixoy2;Mzii2.2ABS,,,,[5]EFx=xFz{1-exp[--E12-(E21+112)3]}x/Fy=yFz{1-exp[--E12-14181112200012(E21+112)3]}y/Mz=Fy(Dx+Xb)-FxYb,x;y;,=2x+2y;x=KxSx/(xFz);y=KySy/(yFz);SxSy;Sx=(vx-R)/R;Sy=vy/(R);Dx,Dx=(Dx0+De)exp(-D1-D22)-De;XbYbFxFy,Xb=Fx/Cbx,Yb=Fy/Cby;CbxCby;E1KxKyxyDx0DeD1D2Fz,ABS,[6]2.3ABS,(1)摩擦系数跳变路面　3=1XX02XX03(2)摩擦系数分离路面　4=1YY02YY04(3)摩擦系数交错路面　5(4)摩擦系数棋格交错路面　6,(X,Y),[]2.4ECU=1[(X-X0)/a]2[(X-X0)/a]51[(X-X0)/a]+[Y-Y0/b]2[(X-X0)/a]+[(Y-Y0)/b]6,ABS2:2;ECU,,,ABSMK20IABS[7,8]:dpwdt=35.7418(pm-pw)0.58dpwdt=-36.3714(pw-pr)0.92=ton/off+lhp/chp+lsp/csp,pw,MPa;pm;pr;;ton/off;lhplsp;chpcsp()Jettachp=1425m/scsp=512m/s(,ABS)2.5,[8]1419ABS3　混合仿真试验结果(1)高附着路面制动(7)(a)(b)(c)7(2)低附着路面制动(8)(a)(b)(c)8(3)高附着到低附着跳变路面制动(9)(a)(b)(c)9(4)低附着到高附着跳变路面制动(10)(a)(b)(c)1014201112200012:[1]HelmultFennel,SaschaMahr,RudigerSch-leysing.Transputer-BasedReal-timeSimula-tor-AHighPerformanceToolforABSandTCSDevelopment.SAE920643[2]HanselmannH.Hardware-in-the-loopSimula-tionasaStandardApproachforDevelopment,CustomizationandProductionTestofECU's.SAE931953[3]LeeJC.Hardware-in-the-loopSimulationforABS.SAE980244[4]..:,1991:96588[5]GUOKonghui,RENLei.AUnifiedSemi-Empiri-calTireModelwithHigherAccuracyandLessParameters.SAE99PC-17[6]GUOKonghui,RENLei,HOUYongpin.ANon-steadyTireModelforVehicleDynamicSimula-tionandControl.InternationalSymposiumonAdvancedVehicleControl,(AVEC'98)9836851[7],,..,1999,29(4):15[8].ABS:.:,2000.():郭孔辉,,1935(130025)丁海涛,,1974刘　溧,,1971(100081):1004-132(2000)12-1421-03程乃士　张德臻　刘　温　张伟华:金属带无级变速器是汽车用变速器发展的新方向。介绍金属带式无级变速器的发展历史和现状、基本原理、基本结构及发展趋势。:;;;:U463.2:A1　车用无级变速器的发展历史和现状(CVT)20,,,,,CVT,1886,(Benz)(Daimler)VCVT,,20,CarterCar,,,2030,AustinSixteenHayes:19980310:(96A050403,GeneralMotors20201958,HubVonDoorneVDT,VariomaticV,,V,1.4L,51kW1958,DAFDaffodil1975Volvo(Volvo340),120VariomaticHubVonDoorne,60,VDT,CVT,1421whichthecharactersofflatorganizationstruc-tureanddynamicsofself-adjustingofDAcanbeembodied,isestablished.Furthermore,thequantitativeevaluatingindexesoftheimportanceofDAmembersandthemodelsoftheirrelation-shipforestablishingandreconstructingofDAarepresentedinthepaper.Keywords:hypercycledynamicallianceevolntioncellResearchandDevelopmentofVehicleABSMixedSimulationTest-bedGUOKonghui(JilinUniversity,Changchun,China)DINGHaitaoLiuLip1417-1421Abstract:TheauthorspresentthesystemanalysisoftheABSMixedSimulationTest-bedinthispaper.ThemodelsforABSHardware-in-LoopSimulation,suchasvehiclemodel,tiremodel,roadfrictionmodelandABShydraulicmodelareestablished.Hardware-in-LoopSimulationexperimentsaretakentodemonstrateABSfunctions.CombiningABSrealcomponentswithsimulatingenvironmentcanextremelyex-tendthefunctionsofsoftwaresimulation,andalsocanprovideexperimenttoolsfordevelop-mentofABSproducts.Keywords:vehicleanti-lockbrakingsys-tem(ABS)mixedsimulationtest-bedhardware-in-loopsimulationvehiclemodelABShydraulicsystemmodelStepleasAutomobileTransmissionwiththeMetalV-beltCHENGNaishi(NortheastUniver-sity,Shenyang,China)ZHANGDezhenLIUWenZHANGWeihuap1421-1423XCAbstract:ThemetalV-beltisanewten-dencyofautomobiletransmission.Inthispaper,thehistory,principles,structuresanddevelopingtendencyofthemetalv-beltsteplesstransmis-sionaredescribed.Keywords:steplesstransmissionmetalV-beltdrivingpulleydrivenpulleyautomobileResearchAdvanceMentsofIn-planeBendingofStripMetalunderUnequalCompressingXIANFeijun(NorthwesternPolytechnicalUni-versity,Xian,China)YANGHeP1424-1427Abstract:In-planebendingofstripmetalunderunequalcompressingisanadvancedform-ingprocess.TheauthorspresenteddifferentkindsofIn-planebendingtypes,processchar-acteristics,researchadvancementsandtheper-spectivesoftheirapplicationsathomeandabroad.Itisemphasizedthattheprocessexecnt-edwithtwoconicalrollershasthemarkedad-vantagesofgoodflexibility,lowenergycon-sumption,highprecisionandhighmaterialuti-lization,andcanimprovetheforminglimitgreatly.Inordertopromotetheresearchandde-velopmentoftheprocess,somekeytechnologies,suchasthecoordinatemechanismofunequalde-formation,theinfluenceofprocessparametersandtheforminglimits,willbestucliedcontin-nouslyandsystematically.Keywords:unequalcompressingin-planebendingstripmetalconicalrolleradvancedtechnologyofplasticityOverviewofRobot-a