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:
Jun. 26, 2012
Filed:
Jan. 10, 2008
Takaaki Sekiai, Hitachi, JP;
Akihiro Yamada, Tokai, JP;
Yoshiharu Hayashi, Hitachinaka, JP;
Masaki Kanada, Hitachi, JP;
Toru Eguchi, Hitachi, JP;
Satoru Shimizu, Hitachi, JP;
Masayuki Fukai, Hitachi, JP;
Takaaki Sekiai, Hitachi, JP;
Akihiro Yamada, Tokai, JP;
Yoshiharu Hayashi, Hitachinaka, JP;
Masaki Kanada, Hitachi, JP;
Toru Eguchi, Hitachi, JP;
Satoru Shimizu, Hitachi, JP;
Masayuki Fukai, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A plant control apparatus has a measurement signal DB, an operation signal DB, a numerical value analysis executing unit, a numerical value analysis result DB, a model for estimating a value of a measurement signal for an operation signal, learning unit using the model, a learning information DB, a control logic DB for information used by an operation signal generating unit, a knowledge DB for plant running characteristics, and an analyzing unit processing information in the numerical value analysis result DB by information in the knowledge DB, learning information DB, operation signal DB, and measurement signal DB, wherein the analyzing unit includes at least one of a learning base analyzing unit checking adequacy of an operation method, a signal analyzing unit for evaluating an effect of the operation signal upon the plant and presence/absence of an abnormal signal, and a knowledge DB updating unit correcting information in the knowledge DB.