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:
Nov. 23, 2021
Filed:
Feb. 01, 2019
Yokogawa Electric Corporation, Tokyo, JP;
Shunsuke Hayashi, Tokyo, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
An abnormality is diagnosed in a control system including a plurality of controllers adopting a redundant configuration, a diagnosing apparatus that diagnoses a control system. The control system includes a plurality of controllers adopting a redundant configuration; and an interface apparatus that outputs control output data, which is based on a plurality of redundant pieces of control data received from the plurality of controllers, to a device under control. The diagnosing apparatus includes a statistical information acquiring section that acquires statistical information including adoption/non-adoption of the control data from each of the plurality of controllers in the interface apparatus; and a diagnosing section that diagnoses the control system based on the statistical information.