US 11,926,304 B2
System and method for providing a brake fade indication
David S. Patterson, Lake Orion, MI (US); Thomas Svensson, Leichlingen (DE); and Rob Eaton, Bloomfield, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Jun. 10, 2021, as Appl. No. 17/344,434.
Prior Publication US 2022/0396248 A1, Dec. 15, 2022
Int. Cl. B60T 17/22 (2006.01); B60K 35/00 (2006.01); B60T 8/32 (2006.01); B60T 8/40 (2006.01)
CPC B60T 8/4081 (2013.01) [B60K 35/00 (2013.01); B60T 8/326 (2013.01); B60T 17/221 (2013.01); B60K 2370/151 (2019.05); B60T 2250/00 (2013.01); B60T 2270/82 (2013.01); B60T 2270/88 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A vehicle control system for controlling braking in a vehicle, the system comprising:
a braking system operably coupled to one or more wheels of the vehicle to provide brake inputs to the one or more wheels responsive to a torque request generated based on pedal position;
a pedal position sensor operably coupled to a brake pedal to determine the pedal position responsive to actuation of the brake pedal by a driver of the vehicle;
a pedal feel simulator operably coupled to the brake pedal to provide tactile feedback to the driver via a pedal force applied to the brake pedal;
an accelerometer for determining a rate of velocity reduction of the vehicle during the actuation of the brake pedal; and
a feedback augmenter operably coupled to the pedal feel simulator to provide a pedal force offset to increase the pedal force provided to the brake pedal based on the rate of velocity reduction,
wherein the feedback augmenter applies the pedal force offset between a trigger value and a cutoff value.