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:
Jan. 08, 2019
Filed:
Dec. 24, 2015
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Toru Sakaguchi, Maebashi, JP;
Toshikazu Onoe, Maebashi, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); G05B 13/04 (2006.01); B62D 6/00 (2006.01); B62D 3/12 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0487 (2013.01); B62D 5/0424 (2013.01); B62D 5/0463 (2013.01); B62D 5/0469 (2013.01); B62D 6/00 (2013.01); B62D 3/12 (2013.01);
Abstract
An electric power steering apparatus that calculates a first current command value based on at least a steering torque and performs an assist-control of a steering system by driving a motor based on the first current command value, including: a configuration of a model following control including a viscoelastic model as a reference model within a predetermined angle at front of a rack end, wherein an offset is given to input or output of the viscoelastic model for preventing an overheat, resulting in suppressing a rack end hitting.