Patent ID: 9346465
Filing Date: 2016-05-24
CPC Classification: B60R,B60T,B60W

Claim Text:
1. A method of determining a category of action of an active device of a vehicle, the method comprising: measuring a vehicle parameter indicative of a change of vehicle state; determining a rate of change of said vehicle parameter; modifying said vehicle parameter to a modified vehicle parameter by reference to said rate of change, wherein said modified vehicle parameter is advanced in time with respect to said measured vehicle parameter; applying a threshold to said modified vehicle parameter; determining a severity of said vehicle parameter in dependence on said threshold; determining the category of action for the active device of the vehicle according to said severity in response to said modified vehicle parameter reaching said threshold, wherein determining the category of action comprises determining a speed of actuation of the active device from a plurality of actuation speeds in dependence on the modified vehicle parameter when the threshold is reached; and triggering said active device according to said category of action in dependence on said modified vehicle parameter reaching said threshold.