Soft-stop braking control
First Claim
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1. A method for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation, said method comprising the steps of:
- detecting a brake apply operation;
determining if the vehicle speed is below a first threshold stopping speed; and
reducing braking pressure to said vehicle brake actuators as a function of vehicle speed, vehicle deceleration, and brake apply pressure if said vehicle speed is below said first threshold stopping speed.
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Abstract
A method is provided for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation. A brake apply operation is detected. A determination is made whether the vehicle speed is below a first threshold stopping speed. Braking pressure to the vehicle actuators is reduced as a function of vehicle speed, vehicle deceleration, and brake apply pressure if the vehicle speed is below the first threshold stopping speed.
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Citations
20 Claims
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1. A method for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation, said method comprising the steps of:
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detecting a brake apply operation;
determining if the vehicle speed is below a first threshold stopping speed; and
reducing braking pressure to said vehicle brake actuators as a function of vehicle speed, vehicle deceleration, and brake apply pressure if said vehicle speed is below said first threshold stopping speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation, said method comprising the steps of:
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detecting a brake apply operation by a driver in response to a master cylinder pressure being above a predetermined braking rate threshold;
determining that a secondary brake operation is inactive;
determining that a vehicle speed is between a first threshold stopping speed and a second threshold stopping speed; and
reducing brake pressure to said vehicle brake actuators as a function of said master cylinder pressure, said vehicle speed, and a vehicle deceleration if said secondary brake operation is inactive and said vehicle speed is between said first and second threshold stopping speed. - View Dependent Claims (17, 18)
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19. A method for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation, said method comprising the steps of:
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detecting a brake apply operation by an activation of a brake switch;
determining that a secondary brake operation is inactive;
determining that a vehicle speed is between a first threshold stopping speed and a second threshold stopping speed; and
reducing brake pressure to said vehicle brake actuators as a function of said master cylinder pressure, said vehicle speed, and a vehicle deceleration if said secondary brake operation is inactive and said vehicle speed is between said first and second threshold stopping speed.
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20. A method for applying a soft-stop control to the vehicle brake actuators of a vehicle during a vehicle stop operation, said method comprising the steps of:
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detecting a brake apply operation by sensing a travel of a brake pedal greater than a predetermined brake pedal travel threshold;
determining that a secondary brake operation is inactive;
determining that a vehicle speed is between a first threshold stopping speed and a second threshold stopping speed; and
reducing brake pressure to said vehicle brake actuators as a function of said master cylinder pressure, said vehicle speed, and a vehicle deceleration if said secondary brake operation is inactive and said vehicle speed is between said first and second threshold stopping speed.
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Specification