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:
Feb. 18, 2014

Filed:

Sep. 14, 2009
Applicants:

Yoshifumi Nakamura, Wako, JP;

Norio Yamazaki, Wako, JP;

Shigenori Takimoto, Wako, JP;

Yoshimichi Kawamoto, Wako, JP;

Inventors:

Yoshifumi Nakamura, Wako, JP;

Norio Yamazaki, Wako, JP;

Shigenori Takimoto, Wako, JP;

Yoshimichi Kawamoto, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electric power steering system includes an electric assist motor, a controller, a first corrector, and a second corrector. The electric assist motor is configured to assist steering according to a steering assist amount. The controller is configured to control the steering assist amount in accordance with an input steering force. The first corrector is configured to correct the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road. The second corrector is configured to correct the correction amount in accordance with a steering angular velocity.


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