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:
Oct. 11, 2016
Filed:
Nov. 18, 2015
Honda Motor Co., Ltd., Tokyo, JP;
Ryota Mose, Wako, JP;
Norifumi Tamura, Wako, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
An electric power steering apparatus provides a steering assist force to the steering system of a vehicle by controlling driving of an assist motor in accordance with a steering force acting on the steering wheel. The electric power steering apparatus includes a yaw rate sensor that obtains a measured yaw rate of the vehicle, a vehicle speed sensor that detects the speed of the vehicle, a steering angle sensor that detects the steering angle of the steering wheel, and a torque estimating apparatus that estimates a self-aligning torque on the basis of the vehicle speed and data having a smaller absolute value among the measured yaw rate and the steering-angle standard yaw rate and that corrects the steering assist force on the basis of the estimated self-aligning torque.