The problem of describing the understeer–oversteer behaviour of a general vehicle, such as one with locked differential or tandem rear axle, is addressed taking a new perspective. The well-known handling diagram and the associated classical understeer gradient may be inadequate, mainly because they are no longer unique. The new concept of handling surface and a new definition of understeer gradient, which is indeed the gradient of the handling surface and hence a vector, are presented. It is also shown how the new concepts relate to and generalize the classical ones. Finally, a procedure for the experimental measure of the new understeer gradient is outlined.
The handling surface: a new perspective in vehicle dynamics
Vehicle System Dynamics ; 45 , 11 ; 1001-1016
2007-11-01
16 pages
Article (Journal)
Electronic Resource
Unknown
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