Method for operating a pre-crash sensing system in a vehicle having a countermeasure system
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United States of America Patent
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Dec 24, 2002
Grant Date -
N/A
app pub date -
Feb 13, 2002
filing date -
Feb 13, 2002
priority date (Note) -
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Abstract
A control system (10) for an automotive vehicle (50) has a remote object sensor (18) that generates an object signal in the presence of an object. A vehicle trajectory sensor (34) generates a signal indicative of the vehicle traveling on a curved road. A vehicle speed sensor (32) generates a speed signal corresponding to the longitudinal speed of the vehicle. A controller (12) is coupled to the object sensor (18), the vehicle trajectory sensor, and the vehicle speed sensor. When the remote object sensor (18) indicates the presence of an object with a minimum cross section in a pre-defined decision zone meeting pre-defined relative velocity criteria, and when the vehicle speed is above a first threshold and below a second threshold, and when said vehicle trajectory signal indicates the vehicle traveling on a curved road with a radius of curvature above a threshold value, a vehicle safety countermeasure system (40) is deployed.
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