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:
Feb. 13, 2001
Filed:
Sep. 14, 1998
Yasuo Shimizu, Wako, JP;
Katsuhiro Sakai, Wako, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An automatic steering device for a vehicle is provided to prevent an automatically steered vehicle from going out of its predetermined locus of movement as a result of an abnormal output of a movement distance detecting device. An actuator control device controls a steering actuator based upon the distance of movement detected by the movement distance detecting device and upon a locus of movement of the vehicle stored in a storage device. A judging device compares a vehicle speed estimated by a vehicle speed estimating device with an actual vehicle speed calculated by an actual vehicle speed detecting device from the distance of movement based upon the operating condition (shift range, accelerator opening degree and brake operating amount) of the vehicle detected by an operating condition detecting device. When the movement distance detecting device or the actual vehicle speed detecting device is judged to be abnormal, a discontinuing device discontinues the operation for controlling the steering actuator which is based on an actuator control device.