Vehicle motion stability control system

B - Operations – Transporting – 60 – W

Patent

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Details

B60W 30/02 (2006.01) B60T 8/1755 (2006.01) B60W 10/00 (2006.01) B60W 10/04 (2006.01) B60W 10/18 (2006.01) B60W 10/20 (2006.01) B60W 30/00 (2006.01) B60W 50/06 (2006.01) B62D 6/00 (2006.01) B62D 7/14 (2006.01)

Patent

CA 2710803

Provided is a vehicle motion stability control system that combines the VSA and RTC devices in a favorable manner, and is able to effectively control the behavior of the vehicle over an entire operating range including an extreme operating region and a normal operating region. An output of the RTC is transformed by a certain transfer function, and the front wheel steering angle .delta. f inputted to the actual vehicle model for the first control device (VSA) is modified according to the output of the transfer function. It means that the input front wheel steering angle is modified according to the thrust angle or toe angle of the RTC. Thereby, a harmonized control of the VSA and RTC is enabled, and such a harmonized combination can be effected without making changes to the structure of an existing VSA.

Grâce à une combinaison appropriée d'un système de contrôle de stabilité programmé (VSA) et un système RTC, il est possible d'assurer un contrôle efficace sur toute la zone de déplacement comprenant un comportement de limitation et un comportement normal. La donnée de sortie du système RTC est converti par une caractéristique de transfert, et le résultat obtenu est ajouté ou soustrait d'un angle de braquage des roues avant df entré dans un modèle de caractéristiques de véhicule réel du système VSA. Cela signifie que l'angle de braquage de roues avant entré df est rendu variable selon l'angle de poussée ou l'angle de pincement d'une roue arrière qui est la sortie du système RTC. Ainsi, une commande coopérative du système VSA et du système RTC devient possible, et il est possible d'assurer une combinaison de coopération du système VSA et du système RTC sans apporter de modification à la constitution du système VSA existant lui-même.

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