US 11,866,059 B2
Vehicle controller
Takaya Ishii, Ibaraki (JP); and Masashi Seimiya, Ibaraki (JP)
Assigned to HITACHI ASTEMO, LTD., Ibaraki (JP)
Appl. No. 17/616,929
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
PCT Filed Jul. 17, 2020, PCT No. PCT/JP2020/027779
§ 371(c)(1), (2) Date Dec. 6, 2021,
PCT Pub. No. WO2021/020154, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-141983 (JP), filed on Aug. 1, 2019.
Prior Publication US 2022/0315023 A1, Oct. 6, 2022
Int. Cl. B60W 50/06 (2006.01); B60W 50/14 (2020.01); B60W 60/00 (2020.01)
CPC B60W 50/06 (2013.01) [B60W 50/14 (2013.01); B60W 60/001 (2020.02)] 5 Claims
OG exemplary drawing
 
1. A vehicle controller that includes a processor, a first storage unit, and a second storage unit and that stores route information indicating a route to a target point, the vehicle controller comprising:
a traveling state acquiring unit that acquires route information on a vehicle;
a short-term storage information processing unit that stores the route information in the first storage unit, as short-term storage information, the route information being acquired by the traveling state acquiring unit while the vehicle is traveling;
a long-term storage information processing unit that after the vehicle has reached the target point, determines long-term storage information from short-term storage information stored in the first storage unit, the long-term storage information processing unit storing the determined long-term storage information in the second storage unit; and
a guide route creating unit that creates a guide route, using long-term storage information stored in the second storage unit, the guide route being used for carrying out vehicle control,
wherein the long-term storage information processing unit updates content of long-term storage information stored in the second storage unit, based on required location precision of the guide route.