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:
Nov. 08, 2022
Filed:
Jan. 20, 2017
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Mitsuo Sasaki, Hadano, JP;
Makoto Goto, Isehara, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
Provided is a control device () for a power steering device including a steering mechanism () configured to transmit rotation of a steering wheel to a steered wheel, and an electric motor () configured to apply a steering force to the steering mechanism. The control device includes: a command signal calculation part () configured to calculate a motor command signal (Io) for control of driving of the electric motor, based on a state of steering of the steering wheel, and output the command signal to the electric motor; a vibration signal receiving part () configured to receive a vibration signal of the power steering device; and an abnormality determination part () configured to determine whether or not the power steering device is abnormal, based on a Y-axis acceleration signal (Gy) received by the vibration signal reception part.