US 12,330,718 B2
Rear wheel steering apparatus and control method thereof
Inhyun Kim, Yongin-si (KR)
Assigned to HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed by HL MANDO CORPORATION, Pyeongtaek-si (KR)
Filed on Jun. 2, 2023, as Appl. No. 18/205,143.
Claims priority of application No. 10-2023-0006471 (KR), filed on Jan. 17, 2023.
Prior Publication US 2024/0239407 A1, Jul. 18, 2024
Int. Cl. B62D 5/04 (2006.01); B62D 6/00 (2006.01); B62D 7/15 (2006.01); B62D 15/02 (2006.01)
CPC B62D 5/0472 (2013.01) [B62D 5/0481 (2013.01); B62D 6/002 (2013.01); B62D 7/159 (2013.01); B62D 15/02 (2013.01); B62D 15/0235 (2013.01); B60Y 2400/84 (2013.01); B62D 5/046 (2013.01); B62D 7/1581 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A rear wheel steering apparatus for controlling a steering angle of rear wheels based on a command received from a vehicle electronic control unit (ECU), the rear wheel steering apparatus comprising:
a motor for moving a rear wheel steering rail connected to the rear wheels in left and right directions; and
a rear wheel steering ECU configured to control the motor to move the rear wheel steering rail to a target movement distance based on the command and to determine whether stick-slip occurs based on the target movement distance and an actual movement distance of the rear wheel steering rail.