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. 11, 2016
Filed:
Dec. 29, 2015
Hitachi Power Solutions Co., Ltd., Hitachi-shi, Ibaraki, JP;
Toujirou Noda, Ibaraki, JP;
Shigeyoshi Chikuma, Ibaraki, JP;
Masami Kusano, Ibaraki, JP;
Naoki Miyakoshi, Ibaraki, JP;
Tadashi Suzuki, Ibaraki, JP;
Hisae Shibuya, Tokyo, JP;
Hitachi Power Solutions Co., Ltd., Hitachi-shi, JP;
Abstract
The anomaly diagnosis system includes the state measure calculator acquiring sensor data from sensors in a machine facility as time series data; an approximation formula calculator calculating a state measure being an index indicating a state of the machine facility, such as anomaly and a performance by a statistical method in which the time series data is used as learned data; and a state measure estimating unit estimating the state measures until future time using the approximation formula. Whenever the latest time series data is acquired, the reference period in which the time series data corresponding to the state measure referred to calculate the approximation formula by the reference period setting unit, is successively extended by addition of time when the latest time series data is acquired. The approximation formula calculator calculates the approximation formula using the state measure of the time series data acquired in the reference period.