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. 03, 2024
Filed:
May. 20, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hiroki Sonoda, Hitachinaka, JP;
Tomoaki Fujibayashi, Hitachinaka, JP;
Yoshiji Hasegawa, Hitachinaka, JP;
Kazuya Takahashi, Hitachinaka, JP;
Toshihiko Kaneda, Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
A steering control device, a steering control method, and a steering control system according to the present invention determines a rear wheel steering angle control command for returning a rear wheel steering angle to a predetermined steering angle earlier than a front wheel steering angle when steering wheel operation (that is, operation of a steering wheel) shifts from a state of additional turning to a state of cutback turning, in steering control that steers a rear wheel steering angle of a vehicle in opposite-phase with respect to a front wheel steering angle, and outputs the determined rear wheel steering angle control command to a rear wheel steering device, so that hysteresis of a yaw rate is reduced or eliminated, reducing or eliminating a sense of discomfort given to a driver.