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.

Date of Patent:
Dec. 08, 2015

Filed:

Feb. 02, 2015
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;

Inventor:

Yoshikazu Kameda, Gotenba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); B62D 5/00 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0466 (2013.01); B62D 5/0469 (2013.01); B62D 5/005 (2013.01);
Abstract

A steering control device includes: an assist controller configured to carry out, by an assist torque, an assist control of alleviating an operation force of a steering wheel; an assist torque computer configured to compute a target assist torque in which an attenuation torque for suppressing a steering angle speed of the steering wheel is superimposed on a reference torque; and an active-passive determination processor configured to compute a steering mode determination value representing a steering mode by a driver with respect to the steering wheel in accordance with a product of the steering angle speed and a steering torque at a time of a steering operation of the steering wheel by the driver as well as a product of the steering angle and a time differential value of the steering torque at the time of the steering operation.


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