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:
Sep. 09, 2014
Filed:
Mar. 28, 2013
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Yuzuru Hoshi, Maebashi, JP;
Toru Sakaguchi, Maebashi, JP;
Sachio Nakayama, Maebashi, JP;
Masahiro Maeda, Shinagawa-ku, JP;
Kenji Mori, Tokyo, JP;
Yousuke Imamura, Shinagawa-ku, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B 69/00 (2006.01); H02P 21/00 (2006.01); B62D 5/04 (2006.01); H02P 6/08 (2006.01); B60T 8/1755 (2006.01); B62D 6/00 (2006.01); B62D 7/15 (2006.01);
U.S. Cl.
CPC ...
H02P 21/0035 (2013.01); B62D 5/046 (2013.01); H02P 6/08 (2013.01); B60T 8/1755 (2013.01); B62D 6/003 (2013.01); B62D 5/0463 (2013.01); B62D 7/159 (2013.01); B62D 6/008 (2013.01);
Abstract
A motor control apparatus that is capable of making the whole control system robust not only with respect to motor parameter variations such as the temperature variation and the manufacturing unevenness but also with respect to disturbances while using a cheap and compact one-shunt type current detecting circuit and simultaneously diagnosing an estimation error and an electric power steering apparatus provide with the motor control apparatus.