US 11,055,550 B2
Method and system for correcting road surface information of electronic control suspension
In Su Kim, Whasung-Si (KR); and Seong Jun Choi, Whasung-Si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Motors Corporation, Seoul (KR)
Filed on Nov. 22, 2019, as Appl. No. 16/691,983.
Claims priority of application No. 10-2019-0082116 (KR), filed on Jul. 8, 2019.
Prior Publication US 2021/0012131 A1, Jan. 14, 2021
Int. Cl. G06K 9/03 (2006.01); G06K 9/00 (2006.01); G06K 9/62 (2006.01); G06T 7/50 (2017.01)
CPC G06K 9/03 (2013.01) [G06K 9/00805 (2013.01); G06K 9/6288 (2013.01); G06T 7/50 (2017.01); G06T 2207/30192 (2013.01); G06T 2207/30261 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method of correcting road surface information related to an Electronic Control Suspension (ECS), the method comprising:
securing, by a controller, camera recognition information related to a forward obstacle which is recognized through a camera;
determining, by the controller, sensor recognition information related to an obstacle through vehicle behavior sensors; and
correcting, by the controller, the camera recognition information upon determining that a difference is generated between the camera recognition information and the sensor recognition information,
wherein the camera recognition information and the sensor recognition information related to the obstacle are a distance between the vehicle and the obstacle, and
wherein the distance between the vehicle and the obstacle of the sensor recognition information is determined by starting to accumulate movement distances of the vehicle by integrating a wheel speed, which is detected through a wheel speed sensor from a point in time when the camera recognizes the forward obstacle, with respect to a unit time, and by stopping accumulation of the movement distances at a point in time when a variation of wheel acceleration is equal to or more than a first predetermined value.