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.

Date of Patent:
Feb. 08, 2022

Filed:

Jun. 16, 2017
Applicant:

Hitachi Energy Switzerland Ag, Baden, CH;

Inventors:

Hadeli Hadeli, Baden, CH;

Wolfgang Wimmer, Langenthal, CH;

Michael Obrist, Untersiggenthal, CH;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/406 (2006.01); H04L 29/06 (2006.01); G06F 21/57 (2013.01); G06F 21/56 (2013.01);
U.S. Cl.
CPC ...
G05B 19/406 (2013.01); G06F 21/566 (2013.01); G06F 21/577 (2013.01); H04L 63/1416 (2013.01); H04L 63/1425 (2013.01); G05B 2219/34465 (2013.01); G06F 2221/034 (2013.01); H04L 63/1441 (2013.01);
Abstract

The invention relates to a method for analyzing an abnormal event in an industrial automation and control system, IACS, comprising the following steps: identifying the abnormal event; detecting a root cause of the abnormal event; and generating a notification if the root cause is not a user activity and, if the root cause is a user activity, evaluating the possible impact on the IACS caused by the abnormal event, and generating a notification if the evaluation of the possible impact does not match a predefined list of allowable behavior. The present invention also relates to a corresponding system and corresponding computer program product comprising one or more computer readable media having computer executable instructions for performing the steps of the method.


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