Patent ID: 8412436
Filing Date: 2013-04-02
Classification: B60T,B60W

Abstract:
1. A hill start assistance method to assist a user in maneuvering a vehicle on a hill, the vehicle includes a braking system and an electronic brake control, including at least one master cylinder pressure sensor and in which the pressure on each caliper of the vehicle can be controlled, the method comprising: estimating torque transmitted by a clutch of the vehicle; recording an item of information corresponding to a value of the master cylinder pressure resulting from user actuation of a brake pedal of the vehicle; when the user completely releases the brake pedal, starting a timer to count for a set period of time during which the braking system maintains the pressure on the calipers as a function of a pressure setpoint equal to the value of the last recorded piece of information; and during the set period of time, wherein the updating the recorded information includes stopping the timer and re-estimating the torque transmitted by the clutch.