客车ABS制动的车速分析与试验3

ABS3,,(,510640):,ABS,ABS,:ABS;;:U467:A:1001-3881(2005)9-101-2AnalysisandTestsofCoachsABSBrakingSpeedWUGao2gui,LIAOJun,ZHOUQuan(CollegeofAutomotiveEngineering,SouthChinaUniversityofTechnology,Guanzhou510640,China)Abstract:Amethodthatcancalculatethevehiclespeedbyutilizingthepressureofwheelbrakingcylinder,andcombinewiththewheelspeedtoanalyzewhethertheslipratioisinthereasonabletargetrangewhentheABSisfunctioning,waspresented1ThismethodhasbeentestifiedbyroadtestsandwillgivehelptotheABSmodelselectionofcoaches1Keywords:ABS;Pressureofwheelbrakingcylinder;Vehiclespeed0GB12676-1999200310,M3N304,ABSABSi,ECU,Si,()[1,2]Si=v-iRv(1):v,RABSABSABS,,ABSABS1111[1]:(1),;(2),,,1,a,N1N2,L,hg,L1L2,mg,Fb1,Fb21,:N1+N2=mg(2)Fbi=mdvdt(3)N1L=mgL2+mhgdvdt(4)112[2]22Mi,Ji,Fbi,W;NiMipiKi,Mi=Kipi(5):Jididt=Mi-FbiR(6)10120051No193:((ABS))©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:R2211(5)piMi,didt(6)Fbi:Fbi=-Jididt+KipiR(7)(3)(7):dvdt=Fbim(8)v:v=v0-dvdtdt(9):v0212GZ6120S,12000kg,6115m,01465m,41773kgm2,101563kgm221211Ki-,,3621212,50km/h,pi,[3],710,VC3000/DAQ,111313213ABS10km/hVC3000/DAQ(1050)km/h15%,;(1050)km/h5%15%,ABS3ABS,,ABS,ABS11[M]1:,1989121[J]1,1997(6):43471(138)20120051No19©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.443135,,,5PID,,,,,PID,,,PID66PID4,,,,;,,,;,,,,;,,,,111:,19991211:,19991311:,199714,11:,199915,11:,19971:,,1964,,:2004-07-14(107);3;4,o1o2o3o4,,,,JB23-W/Z,,1,,11,2003(4):181211,1994(3):613,,,11,2004(3)14,11,1995(7):321:,,19759,,,:DSP9:2004-04-20(102)31ABS[J]1,2001(6):2526141ABSNHQ1036QJ[D]1,2001:22261:,1942,,,:2004-11-0283120051No19©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.