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. 15, 2024
Filed:
Apr. 05, 2022
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Jtekt Corporation, Kariya, JP;
Denso Corporation, Kariya, JP;
Masaharu Yamashita, Toyota, JP;
Masataka Okuda, Toyota, JP;
Yosuke Yamashita, Nagoya, JP;
Yuji Fujita, Okazaki, JP;
Yuuta Kajisawa, Okazaki, JP;
Kenichi Abe, Okazaki, JP;
Hiroki Tomizawa, Kariya, JP;
Nobuyori Nakajima, Kariya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toytoa, JP;
JTEKT CORPORATION, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A steer-by-wire steering system for a vehicle, including: an operating member operable by a driver; a steering device including an electric motor and configured to steer a wheel by a force generated by the electric motor; a controller configured to control the steering device, wherein the controller enables the wheel to be steered in accordance with an operation of the operating member while imposing limitation on a supply current to the electric motor, and wherein the limitation imposed on the supply current is made smaller when a running speed of the vehicle is lower than a set speed and a steering motion of the wheel is a motion in a direction to decrease a steering amount than i) when the running speed of the vehicle is not lower than the set speed and ii) when the steering motion of the wheel is a motion in a direction to increase the steering amount.