US 12,304,356 B2
Apparatus, method and computer readable storage medium for controlling braking of vehicle
Yong Hwa Lee, Gwacheon-si (KR); Kyung Ho Yoon, Suwon-si (KR); Ho Wook Lee, Seoul (KR); and Gwi Chul Kim, Anyang-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on May 9, 2022, as Appl. No. 17/739,492.
Claims priority of application No. 10-2021-0156754 (KR), filed on Nov. 15, 2021.
Prior Publication US 2023/0150372 A1, May 18, 2023
Int. Cl. B60L 7/26 (2006.01); B60T 8/1755 (2006.01); B60T 8/1761 (2006.01)
CPC B60L 7/26 (2013.01) [B60T 8/1755 (2013.01); B60T 8/17616 (2013.01); B60T 2270/10 (2013.01); B60T 2270/304 (2013.01); B60T 2270/604 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus of controlling a braking of a vehicle traveling in track mode, the apparatus comprising:
a driving information detector configured to detect a braking request while the vehicle is driving; and
a vehicle controller configured to, when the braking request is detected, control the braking of the vehicle according to a total required torque in response to the detected braking request, wherein the total required torque is a sum of a regenerative braking torque by a motor which includes a front wheel motor and a rear wheel motor of the vehicle and a friction braking torque by a brake of the vehicle,
wherein, the track mode is a driving mode in which rapid acceleration and rapid deceleration are repeated for driving on a dedicated race track and for a quick lap time,
wherein the vehicle controller is configured to decrease braking force by friction braking by relatively decreasing the friction braking torque by increasing the regenerative braking torque of the total required torque,
wherein when the braking request is detected, the vehicle controller is further configured to control the braking of the vehicle by equally distributing distribution ratios of a regenerative braking torque of the front wheel motor and a regenerative braking torque of the rear wheel motor, and when a vehicle speed is greater than a predetermined vehicle speed or a steering angle is greater than a predetermined steering angle, the vehicle controller is further configured to control the braking of the vehicle by configuring the distribution ratios of the regenerative braking torque of the front wheel motor and the regenerative braking torque of the rear wheel motor to be different from each other, whereby the regenerative braking torque of the front wheel motor and the regenerative braking torque of the rear wheel motor rise at a same point during the braking, and
wherein the regenerative braking torque in the track mode is greater than a regenerative braking torque in non-track mode.