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1、汽车的操纵稳定性ChapterfiveThelateralstiffnessofthefronttyreof5・1acar(each)is-50176n/radandtheexternalstiffnessis-7665n/rad・Ifacarturnstotheleft,itwillmakebothfrontwheelsapositiveexternaltilt,withasizeof4.Itisnotaffectedbythetransferoftheloadtransferoftheleftorrightwhee1.Answer:bytheme
2、aning:F=k??K?=?ThelateralAngleofthefrontwheelcausedbytheexternslinclination:?=?K??K=???????????????????????5.26450lightbusoversteerandneutraltowardsphenomenonfoundinexperiments,theengineersmountedonthefrontsuspensionbeforethelateralstabilizerbarinordertoimprovethelateralAngleof
3、thefrontsuspensionstiffness,theresultsofcarsteeringcharacteristicstoundersteer・Trytoanalyzethetheoreticalbasis(thenecessaryformulasandcurvesarerequired)・Answer:stabilityfactor:Andchange,ItturnsoutKnaught,nowK,>,0,becomesadeficit・Whatarethetypesofsteady-stateresponseofa5.3car?Wh
4、atarethespecificparametersforthesteady-stateresponse?Howdotheyrelatetoeachother(requirethenecessaryformulasandcurves)?A:therearethreetypesofcarsteady-stateresponse:neutralsteering,insufficientsteering,toomuchturning・Severalparametersthatrepresentsteady-statesteering:Thedifferen
5、ceintheabsolutevalueofthelateralAngleoftherearwhee1.?????R/Roftheturningradius;StaticreservefactorS.M・Therelationofeachothertothereferencebookformula(5-13)(5-16)(5-17)・Thethreemethodsofthesteady-statesteeringcharacteristicsofthecarweregiven,andthecharacteristicsofthesteady-stat
6、etransitionwereexplainedbymeansofthepositionofthecenterofgravityofthevehicle,andhowtheloadtransferoftheinnerandouterwheelwasaffected.Answer:method:???????????????????Whenitcomestonotbeingabletoturn,?????Tobeneutral,????"Toomuchturningat0;R/RO>1isnotaturn.R/RO=1isneutral.R/RO<1i
7、stoomuch.S.m・:s.in.二0isaneutralshift・S・m.Thepositionofthecenterofthecenterofthevehicleandthetransferoftheloadontheinsideandoutsideofthecenterofthevehiclemakethecenteroftheautomobilecenteraandb,andKchanges・Doesthewheeldrivethesamewaywhenthewheelsturn?Answer:no,becauseofthelatera
8、ldeflectionofthewheelontheturn,thetirehasalateralbiasa
