ADAMS/CAR*1122(1.;2.)【】Adams/Car,,。,,,;,,,。U463.33A1000-3703(2010)09-0028-05SimulativeAnalysisofFrontSuspensionofALightDutyTruckBasedonADAMS/CARHuangDongming1,WangLiangmo1,JingGuanghong2,YinChunhua2(1.NanjingUniversityofScienceandTechnology;2.NanjingIVECOMotorCompanyLtd)【Abstract】AdynamicmodelofawishbonefrontsuspensionsystemforalightdutytruckwasbuiltwithsoftwareAdams/Car,andtheparallelwheeltravelwaschosenandsimulated,theinfluenceofparameterchangeonsuspensionperformanceduringwheelbouncewasanalyzed.Theresultsshowthatexcessivehighkingpintransverseoffsetofthefrontsuspensionleadstobrakingdeflectionandimpropertoe-invariation;whiletheexcessivechangeofthetrackduringwheelbounceleadstoslipofthetirestooppositedirection,andleadstotirewear,handlingstabilityofthevehiclewillbeadverselyaffected.Keywords:Truck,Wishbonefrontsuspension,Simulativeanalysis觹:;(:BY2009109。)1,、3,、,[1],。,,,。,、,,。NJ1042。Adams/car、,,,。2ADAMS,,。,()、(、)、(、)(、)。ADAMS,········28——20109。CATIA(1),1(,)。X,Y,Z。123。ADAMS/CAR,,,。,,,、,4。,,:a.,、,,;b.、,;c.;d.。23xyz1hpl_wheel_center-3.7-829.8-324.82hpl_lca_inner-2.2-380.0-414.03hpl_lca_outer-6.2-762.5-412.64hpl_damper_lwr65.3-565.0-413.35hpl_damper_upp69.8-539.0-73.06hpl_knuckle-3.7-751.6-324.27hpl_uca_inner1.3-460.0-149.08hpl_uca_outer1.3-730.0-149.09hpl_tierod_inner-115.3-408.0-302.010hpl_tierod_outer-148.2-771.0-303.311hpl_pull_lwr_inner-2.4-679.6-428.912hpl_pull_lwr_outer-402.4-382.0-409.013hpl_pull_upp_inner1.4-680.0-141.014hpl_pull_upp_outer-400.5-462.0-144.015hpl_torsion_bar_end1234.7-460.0-161.816hpl_torsion_front51.3-460.0-149.91mm········2010929——43ADAMS/CAR,、、、,、。。700mm,3308mm。,(ParallelTravel),,-50mm~80mm,100。。,,。3.1,。。,(-50mm~80mm),±1°[2]。,,,,。:,,,。5,0.124°0.503°,,0.503°。-0.14°。,±1°。53.2,,。,,,。,,,-1°~3°[2]。,,,、。0~30mm[3]。6,1.53°~1.81°,,。7,,,,,,。673.3,。,,,,。,,,,。,-500501000.550.400.250.10-0.05-0.20/mm-50050100/mm/(°)1.901.801.701.601.50-50050100/mm/(°)-5005010012.011.010.09.08.0/mm/mm········30——20109,。,。,(),、。,8°,6°~8°[2];-10~30mm[3],。8,,7.03°~7.68°,。9,30.64~38.39mm,30mm。893.4。,,。,。,。,,。,。,,。:,、。:,(-0.5°/50mm)[3]。10,0.107°,-0.346°,00.1°,10,,。3.5,。,,,。,,。,(-5~5)mm/50mm[3]。1011:3.74mm,80mm9.61mm;-50~50mm,80mm,。113.6,,,,,,,。12。12,,,。123.7,,。13,170N/mm[4],7.77.67.57.47.37.27.17.0-50050100/mm/(°)-5005010038.526.534.532.530.5/mm/mm10.08.57.05.54.02.51.0-0.5-50050100/mm/mm0.20.10-0.1-0.2-0.3-0.4-50050100/mm/(°)0.20.10-0.1-0.2-0.3-0.4-50050100/mm/(°)········2010931——(a)(b)733,1,,,。,,,。,,。(),,。1,4,、,。1...,2006.2..:,2007.()201081。3.02.52.01.51.00.50050100/s2·m-1ig1=3.818ig2=2.613ig3=1.789ig4=1.224ig5=0.838/km·h-1/km·h-1/s/s0~10021.72320.0420~150112.074102.663ig1=2.613ig2=1.789ig3=1.224ig4=0.8383.02.52.01.51.00.50050100/km·h-1/s2·m-1。134,:a.,、。b.,,,,。1..:,2005.2.·..19983《》.:.2007.4..:,2008.5.MSC.ADAMS.:,2008.6,..·,2008,30(1):49~52.7,.ADAMS.,2007(7):27~29.8,.ADAMS/CAR.(),2004,34(4):554~558.9,.ADAMSSUV.(),2008,28(3):192~194.10,.ADAMS.,2008:56~58.()2010815。245225205185165145-50050100/mm/N·mm-1····(27)····32——