US 12,377,828 B2
Electronic parking brake system and safety control method thereof
Yongwoo Lee, Anseong-si (KR)
Assigned to HL MANDO CORPORATION, Pyeongtaek si (KR)
Filed by HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed on Oct. 21, 2022, as Appl. No. 17/970,832.
Claims priority of application No. 10-2021-0144892 (KR), filed on Oct. 27, 2021.
Prior Publication US 2023/0129690 A1, Apr. 27, 2023
Int. Cl. B60T 8/88 (2006.01); B60T 13/74 (2006.01); B60T 17/22 (2006.01)
CPC B60T 8/885 (2013.01) [B60T 13/741 (2013.01); B60T 17/22 (2013.01); B60T 2270/413 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An electronic parking brake system, comprising:
a first electronic parking brake (EPB) comprising a first electric motor configured to provide a first braking torque to a first wheel of a vehicle;
a second EPB comprising a second electric motor configured to provide a second braking torque to a second wheel of the vehicle;
a first controller configured to control the first electric motor; and
a second controller configured to control the second electric motor,
wherein the first controller is configured to transmit a first signal to the second controller at first predetermined intervals, and
the second controller is configured to control the second electric motor to increase the second braking torque provided to the second wheel, based on the first signal not being received from the first controller.