US 11,834,044 B2
Method of controlling electronic parking brake system
Sang Bum Koh, Whasung-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 Oct. 26, 2021, as Appl. No. 17/511,304.
Claims priority of application No. 10-2021-0075131 (KR), filed on Jun. 10, 2021.
Prior Publication US 2022/0396270 A1, Dec. 15, 2022
Int. Cl. B60W 30/18 (2012.01); B60W 10/06 (2006.01); B60W 10/18 (2012.01); F16H 59/18 (2006.01); F16H 59/54 (2006.01); B60T 8/17 (2006.01); F16H 59/66 (2006.01)
CPC B60W 30/18118 (2013.01) [B60W 10/06 (2013.01); B60W 10/182 (2013.01); F16H 59/18 (2013.01); B60T 8/17 (2013.01); B60T 2201/06 (2013.01); B60W 2510/1005 (2013.01); B60W 2540/103 (2013.01); B60W 2552/15 (2020.02); B60W 2710/186 (2013.01); F16H 59/54 (2013.01); F16H 2059/663 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of controlling an electric parking brake system, the method comprising:
monitoring, by a control unit, whether or not a gear change signal for changing a gear position of a transmission to a drive position or a reverse position is input in a vehicle stopped state, a park position state, or a parking brake applied state;
in response to the gear change signal being input, comparing, by the control unit, an accelerator pedal input value with a predetermined pedal input set value while maintaining the gear position of the transmission in the park position;
in response to the accelerator pedal input value being equal to or greater than the predetermined pedal input set value, performing, by the control unit, control for automatic releasing of a parking brake; and
in response to a set time passing after start of the control for the automatic releasing of the parking brake, performing, by the control unit, a control of changing the gear position of the transmission to the drive position or the reverse position.