US 12,280,778 B2
Apparatus for controlling speed of vehicle and method for the same
Sung Yoon Yeo, Seoul (KR); Seo Hyeon Park, Suwon-si (KR); Young Min Han, Gunpo-si (KR); and Seung Geon Moon, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Kia Corporation, Seoul (KR); and Hyundai Motor Company, Seoul (KR)
Filed on Oct. 25, 2022, as Appl. No. 18/049,572.
Claims priority of application No. 10-2022-0070236 (KR), filed on Jun. 9, 2022.
Prior Publication US 2023/0398987 A1, Dec. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B60W 30/14 (2006.01)
CPC B60W 30/146 (2013.01) [B60W 2520/10 (2013.01); B60W 2520/105 (2013.01); B60W 2555/60 (2020.02); B60W 2720/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for controlling a speed of a vehicle, the method comprising:
receiving, by a communication device, at least one of a starting point of a speed trap, an end point of the speed trap, a speed limit in the speed trap, an average speed of the vehicle, a traveling distance from the starting point of the speed trap of the vehicle, or a present speed of the vehicle;
setting, by a target speed setting device, a target point based on the end point of the speed trap;
setting, by the target speed setting device, a starting point for the target speed based on the set target point;
determining, by the target speed setting device, whether the vehicle passes through the starting point for the target speed;
calculating, by the target speed setting device, the target speed based on at least one of the starting point of the speed trap, the speed limit, the average speed, the traveling distance from the starting point of the speed trap, or the set target point
calculating, by an acceleration calculating device, a required acceleration, based on the calculated target speed, the speed limit, a lower limit of the target speed, or the present speed of the vehicle; and
controlling, by a controller, the vehicle, based on at least one of the calculated target speed or the calculated required acceleration,
wherein calculating of the target speed includes calculating, by the target speed setting device, the target speed based on:
i) a value obtained by dividing a target distance including a distance from the starting point of the speed trap to the set target point, by the speed limit,
ii) a value obtained by dividing the traveling distance from the starting point of the speed trap by the average speed, and
iii) a remaining distance, which is located within the speed trap, including a distance from a present position of the vehicle to the set target point.