US 12,330,611 B2
Electrical parking brake system and control method thereof
Wei Kang, Yantai (CN); Young Jin Jo, Suwon-Si (KR); and Maolin Qu, Yantai (CN)
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 Dec. 12, 2023, as Appl. No. 18/537,519.
Claims priority of application No. 202310511228.6 (CN), filed on May 8, 2023.
Prior Publication US 2024/0375622 A1, Nov. 14, 2024
Int. Cl. B60T 8/17 (2006.01); B60T 7/12 (2006.01); B60T 13/74 (2006.01); B60T 17/22 (2006.01)
CPC B60T 8/17 (2013.01) [B60T 7/12 (2013.01); B60T 13/741 (2013.01); B60T 17/22 (2013.01); B60T 13/746 (2013.01); B60T 2270/402 (2013.01); B60T 2270/406 (2013.01); B60T 2270/413 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrical parking brake system comprising:
a vehicle control unit electrically connected to a shift by wire of a vehicle, and configured to receive a shift command entered by a driver from the shift by wire, and periodically transmitting a parking request signal at a predetermined transmission time interval;
a main parking brake controller electrically connected to the vehicle control unit through a first communication channel and a second communication channel, and configured to execute a main parking brake control based on the parking request signal received from the vehicle control unit; and
an auxiliary parking brake controller electrically connected to the vehicle control unit through the first communication channel and a third communication channel, and configured to execute an auxiliary parking brake control based on the parking request signal received from the vehicle control unit.