基于路谱输入的汽车台架耐久性试验方法研究_刘再生

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2010911112(1.;2.)【】、,。,。U467.1A1000-3703(2010)09-0047-04ResearchonMethodofVehicleDurabilityBenchTestBasedonRoadProfileInputLiuZaisheng1,HuoFuxiang1,YangLifeng1,WangChangming1,ShiFeng2(1.ChinaFAWGroupCorporationR&DCenter;2.ChinaAutomobileEngineeringResearchInstitute)【Abstract】Basedonthecomparisonandanalysisoftestvehicleresponsesignalandbenchsignalofthevehicledurabilitybenchtest,vehicleroaddurabilitytestinroad-profiledriveandvehicledurabilitybenchtestinload-spectrumdrive,thefeasibilityofroad-profiledrivendurabilitybenchtestisdiscussed.Andthemethodtoimprovetestaccuracyisproposedbasedontheanalysisofroad-profiledrivetestaccuracy.Keywords:RoadProfile,Loadspectrum,Durability,Benchtest1,(4),,[1,2]()。,,、。,,,(),、。。(863)《》、。、,,。2《》(1),、,、[3](2)。······2010947——。,、、。,3。。(a)(b)12、(a)(b)33、,2,2、:xr(t)=xf(t-B/V)(1),xr(t);xf(t);t;V;B。4,5~10,5%(4),[4]。,4,5(10%),[5]。6~8()、。(a)(b)9-455~7,、,、。3,。3020100-10-20-3011.512.012.513.0/s/mm01234567896050403020100/%3020100-10-20-303020100-10-20-3001020304050607080/s/mm/mm······48——20109(a)(b)20-56(4)(4)768~14,,,,;,7~15Hz,,7Hz,15Hz。89101110210110010-110-210-310-410-50481216202428323640/Hz/mm2·Hz-11.001.270.261.101.100.271.001.020.161.001.060.221.001.131.842.001.801.601.401.201.000.800.600.400.200.0020151050-5-10-15-202.02.53.0/s/g051015202530354045505560657020-2020-2020-2020-2020-2020-2020-2020-20/mm403020100-10-20-30-40-50-600.11101001000/mm10001001010.10.010.0010.0001010203040/g2·Hz-1/Hz234567890.80.40.0-0.4-0.80.80.40.0-0.4-0.80.80.40.0-0.4-0.8/g/s1.21.21.20246810121416182080706050403020100/%······2010949——121314,,,;,4~26Hz2,5Hz,26Hz。,,,。,,,5Hz。,,,。,5Hz。7,:a.。b.,。c.,5Hz。d.,5Hz。1,,,..,2005(2):10~13.2,,,.MTS329.,2001(4):26~29.3,,,..,2007(7):21~24.4,,..,2008,8(4):16~19.5,,..,2003(11):14~17.()2010824。0.10.010.0010.00010.00001010203040/Hz/g2·Hz-10101001000150010005000-500-1000-15001.51.20.90.60.30-0.3-0.6-0.9-1.2-1.50101001000/g······50——

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