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:
Aug. 07, 2001

Filed:

Mar. 17, 1999
Applicant:
Inventors:

Takahiro Okanoue, Tokyo, JP;

Takayuki Kifuku, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 1/00 ; B62D 5/00 ; G05D 1/00 ; G06F 7/00 ; G06F 1/700 ; G06F 1/900 ;
U.S. Cl.
CPC ...
B62D 1/00 ; B62D 5/00 ; G05D 1/00 ; G06F 7/00 ; G06F 1/700 ; G06F 1/900 ;
Abstract

To keep low the cross frequency of current feedback control and provide a good steering feeling, a first operation expression is selected when a difference &xgr; between a current instruction value computed based on a steering state of a steering wheel and a traveling state of a vehicle and a motor drive current value supplied from a battery to a motor for providing assist force to a system for transmitting power from the steering wheel to the wheels is larger than a predetermined value Th1, a second operation expression is selected when the difference &xgr; is smaller than the predetermined value Th1, and the difference &xgr; is corrected using the selected operation expression.


Find Patent Forward Citations

Okanoue, Takahiro. (2001). Electric power steering system (U.S. Patent No. 6272410). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6272410

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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