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:
Dec. 04, 2012
Filed:
Sep. 24, 2008
Applicants:
Ryusuke Hirao, Matsudo, JP;
Takahide Kobayashi, Kawaguchi, JP;
Nobushige Wakamatsu, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60G 21/045 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a suspension control apparatus requiring a reduced number of sensors. A pitch rate estimating unitcalculates a pitch rate used for creating a control instruction value, with use of a wheel-speed time-rate-of change obtained based on wheel speeds vcand vcdetected by wheel speed sensorsFL andFR, and an estimated forward/backward acceleration acalculated by a forward/backward acceleration estimating unit