Detection of yaw instabilities in vehicle combinations
AssigneeVolvo Truck Corporation
InventorsUmur ERDINC, Mats JONASSON, Bengt JACOBSON
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Abstract
A method detects a yaw instability in a vehicle combination. The vehicle combination has a tractor unit and at least one trailing unit. The method includes determining a current value of a sideslip angle parameter of at least one unit of the vehicle combination, comparing the current value of the sideslip angle parameter to a threshold, and if the current value of the sideslip angle parameter is beyond the threshold, determining that a yaw instability is present in the vehicle combination.
Claims14
A method of detecting a yaw instability in a vehicle combination, the vehicle combination comprising a tractor unit and at least one trailing unit, the method comprising:
- determining a current value of a sideslip angle parameter of at least one unit of the vehicle combination;
- comparing the current value of the sideslip angle parameter to a threshold;
- and
- if the current value of the sideslip angle parameter is beyond the threshold, determining that a yaw instability is present in the vehicle combination;
- wherein the threshold is determined based on a current operating state of the vehicle combination, wherein the current operating state of the vehicle combination comprises a longitudinal speed of the vehicle combination, a lateral acceleration of the tractor unit, a lateral acceleration of the trailing unit, a road wheel angle of the tractor unit, a road wheel angle of a trailing unit, a road surface friction coefficient and/or a road profile.
5-7. (canceled)
Dependencies are inferred from the claim text.