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:
Apr. 05, 2016
Filed:
Mar. 16, 2012
Tadayoshi Iwase, Tochigi, JP;
Tadayoshi Iwase, Tochigi, JP;
SHOWA CORPORATION, Saitama, JP;
Abstract
An electric power steering apparatus includes: a detector that detects a value corresponding to a steering torque of a steering wheel; a correcting unit that corrects a detection value detected by the detector by taking into account a hysteresis between an actual steering torque and the detection value detected by the detector; and a target current calculating unit that calculates a target current which is supplied to an electric motor on the basis of a corrected detection value corrected by the correcting unit. The correcting unit makes a correction by using a correction value corresponding to the detection value detected by the detector so as to make the hysteresis small in a case where the steering torque is small and large in a case where the steering torque is large.