Browse Publications Technical Papers 2005-01-0411
2005-04-11

Analysis of Vehicle Stability After Releasing the Accelerator in a Turn 2005-01-0411

Vehicle stability after releasing the accelerator during limit cornering (from now on “Tuck-in”) is the behavior that the turning radius of a vehicle gets smaller after releasing the accelerator. This paper presents that the main factors of yaw moment variation by releasing the accelerator are the change of lateral forces due to longitudinal transfer of normal loads, lateral shift of vehicle center of gravity due to vehicle roll and tire lateral deflection, and the change of lateral forces due to deceleration. It also shows that roll stiffness distribution and longitudinal acceleration have an influence through the formulation of turning radius ratio.

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