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:
Feb. 27, 2024
Filed:
Aug. 18, 2020
Applicant:
Showa Corporation, Gyoda, JP;
Inventors:
Kyouichi Tagami, Haga-gun, JP;
Ken Isshiki, Haga-gun, JP;
Nobuyuki Enomoto, Haga-gun, JP;
Eishi Ishimaru, Haga-gun, JP;
Assignee:
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); B62D 6/10 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0463 (2013.01); B62D 6/10 (2013.01);
Abstract
A steering control device which applies an assist torque or a reaction torque to a steering member operated by a driver, includes: a torque loss estimation unit which estimates torque loss; and a correction amount calculation unit which calculates a correction amount according to a rack axial force estimation value calculated based on a roll rate when the torque loss estimation unit estimates the torque loss.