US 12,151,671 B2
Hybrid electric vehicle and method of controlling same
Min Gyun Jo, Ansan-si (KR); Hoon Han, Hwaseong-si (KR); Han Nah Song, Daejeon (KR); Jae Young Choi, Seoul (KR); and Gwang Il Du, Ansan-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. 27, 2022, as Appl. No. 17/975,273.
Claims priority of application No. 10-2022-0061526 (KR), filed on May 19, 2022.
Prior Publication US 2023/0373466 A1, Nov. 23, 2023
Int. Cl. B60W 20/10 (2016.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60W 20/50 (2016.01)
CPC B60W 20/50 (2013.01) [B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 20/10 (2013.01); B60W 2510/0657 (2013.01); B60W 2510/083 (2013.01); B60W 2710/083 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of controlling a hybrid electric vehicle (HEV), the method comprising:
connecting a first motor with a second motor directly connected with an input end of a transmission, wherein the first motor is directly connected with an engine; and
determining whether to distribute an amount of error torque of the engine to the first motor or to each of the first motor and the second motor based on an efficiency of the first motor and an efficiency of the second motor.