The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2025
Filed:
Dec. 15, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hirokazu Sambonsuge, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
A position estimation system provided in a vehicle can include a front sensor, a peripheral sensor, a position estimation device, and a control device. The position estimation device can be configured to determine weights for each of a plurality of pieces of information related to a state and a surrounding environment of the vehicle, the plurality of pieces of information comprising vehicle speed, steering angle, traveling environment, predicted curvature, and surrounding environment. The position estimation device can then select whether to use a plurality of feature point groups including a part of the plurality of feature points detected by the front sensor and the peripheral sensor to estimate the position of the vehicle based on the weights.