System and method for adjusting crash-discrimination measures

Details System and method for adjusting crash-discrimination measures System and method for adjusting crash-discrimination measures

B - Operations, Transporting

60

R

B60R 21/01 (2006.01)

Patent

CA 2196891

A system and method for controlling actuation of a vehicle passenger safety device in response to an event possibly requiring actuation of the safety device, wherein a first measure (m1(t)) calculated (12) from received vehicle acceleration information is weighted (16) by a second measure (m2(t)), such as a modified vehicle velocity measure, which is itself calculated (14) to be evaluative of the relative progress of the event. The weighted first measure is thereafter accumulated (18) and compared to a threshold value, with the safety device being actuated when the resulting accumulated weighted first measure (m1(t)) exceeds the threshold value.

Système et procédé de contrôle du déclenchement d'un dispositif de sécurité pour passagers d'un véhicule suite à un événement pouvant éventuellement nécessiter le déclenchement dudit dispositif, dans lesquels une première mesure (m¿1?(t)) calculée (12) en fonction d'informations d'accélération du véhicule reçues est pondérée (16) par une deuxième mesure (m¿2?(t)), telle qu'une mesure de la variation de vitesse du véhicule qui est elle-même calculée (14) pour donner une évaluation de la progression relative de l'événement. La première mesure pondérée est ensuite totalisée (18) et comparée à une valeur seuil de manière que le dispositif de sécurité se déclenche lorsque la première mesure (m¿1?(t)) pondérée totalisée dépasse la valeur seuil.

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