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. 24, 2021

Filed:

Sep. 24, 2018
Applicant:

Nsk Ltd., Tokyo, JP;

Inventors:

Ryo Minaki, Tokyo, JP;

Takayoshi Sugawara, Tokyo, JP;

Hideki Sawada, Tokyo, JP;

Assignee:

NSK LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); B62D 1/28 (2006.01); B62D 6/00 (2006.01); B62D 15/02 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0463 (2013.01); B62D 1/28 (2013.01); B62D 1/286 (2013.01); B62D 6/00 (2013.01); B62D 15/021 (2013.01); B62D 15/0285 (2013.01);
Abstract

An electric power steering apparatus including a torque sensor to detect a steering torque and a motor control unit to control a motor that applies an assist torque to a steering system of a vehicle, including: a function to switch a control system of the motor between a torque control system to control a motor output torque and a position/speed control system to control a steering angle of a steering in accordance with a predetermined switching trigger. The fade processing time from the torque control system to the position/speed control system and the fade processing time from the position/speed control system to the torque control system are individually set.


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