Automobiles - Vehicle_Dynamics(16)
时间:2025-07-08
时间:2025-07-08
FHRegensburg,UniversityofAppliedSciencesProf.Dr.-Ing.G.Rill
Figure1.12:DoubleWishboneWheel
Suspension
Figure1.13:McPhersonandMulti-LinkWheelSuspensions
1.4.3.2CasterandKingpinAngle
Thecurrentdirectionofthekingpincanbede nedbytwoangleswithinthevehicle xedcoordinatesystem,Fig.1.14.
IfthekingpinisprojectedintotheyF-,zF-plane,thekingpininclinationangleσcanbereadastheanglebetweenthezF-axisandtheprojectionofthekingpin.
TheprojectionofthekingpinintothexF-,zF-planedeliversthecasterangleνwiththeanglebetweenthezF-axisandtheprojectionofthekingpin.
Withmanyaxlesthekingpinandcasteranglecannolongerbedetermineddirectly.
Thecurrentrotationaxisatsteeringmovements,thatcanbetakenfromkinematiccalculationsheredeliversavirtualkingpin.Thecurrentvaluesofthecasterangleνandthekingpinincli-nationangleσcanbecalculatedfromthecomponentsoftheunitvectorinthedirectionofthe
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