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:
Dec. 09, 2003
Filed:
Jan. 30, 2002
Applicant:
Inventors:
Bing Zheng, Dublin, OH (US);
Zhao Zilai, Dearborn Heights, MI (US);
Assignee:
Visteon Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/00 ;
U.S. Cl.
CPC ...
H02P 7/00 ;
Abstract
An apparatus and method for a steering system which compensates a drive current for certain variables in a steer-by-wire and electrical power assist steering system. The present invention utilizes a steering wheel angle sensor, a road wheel angle sensor, and a controller for determining a precise time and amount of compensation for the drive current.