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:
May. 30, 2017
Filed:
Sep. 04, 2015
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Stephen R. Pastor, Farmington Hills, MI (US);
Phanu Amatyakul, Brighton, MI (US);
Keun Jae Kim, Novi, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 6/00 (2006.01); B62D 7/15 (2006.01); B62D 9/00 (2006.01);
U.S. Cl.
CPC ...
B62D 6/002 (2013.01); B62D 7/159 (2013.01); B62D 9/00 (2013.01);
Abstract
Methods and systems are provided for aligning a steering system of a vehicle. In one embodiment, a method includes: determining when the vehicle is driving a straight-line path; determining a steering wheel position error when the vehicle is driving the straight-line path; computing a rear wheel steering offset based on the steering wheel position error and a closed loop control method; and generating a control signal to a rear wheel steering system based on the rear wheel steering offset.