Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2011-08-09
2011-08-09
To, Toan C (Department: 3616)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
C701S045000
Reexamination Certificate
active
07996133
ABSTRACT:
An algorithm that is part of a collision preparation system that provides selective and limited vehicle braking to avoid undesirable intrusive high-G braking while still giving the system adequate time to activate collision mitigation devices on the vehicle before impact with an object. If a predicted time to collision between the vehicle and the object is less than a required time to collision, which is determined by how much time is necessary for a certain collision mitigation device to be activated, the algorithm calculates a time dilation deceleration. The system causes the vehicle to automatically brake to decelerate the vehicle at the time dilation deceleration until the time dilation deceleration reaches a predetermined decelerating threshold so that more time is available for the collision preparation system to determine whether to activate the collision mitigation device.
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GM Global Technology Operations LLC
Miller John A.
Miller IP Group, PLC
To Toan C
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