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:
Mar. 05, 1991
Filed:
Feb. 24, 1989
Kazunori Mori, Ebina, JP;
Nissan Motor Co., Ltd., , JP;
Abstract
A four wheel steering control system for a vehicle includes a steering wheel angle sensor, a vehicle speed sensor, and a controller for determining auxiliary front and rear wheel steer angles .delta..sub.f and .delta..sub.r with respect to a basic front wheel steer angle .delta..sub.o proportional to a steering wheel angle .theta. in accordance with the following transfer functions: ##EQU1## where s is a Laplace transform variable, and K.sub.f, K.sub.r, T.sub.f and T.sub.r are constant determined by the vehicle speed and the specifications of the vehicle.
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