System and method for diagnosing abnormalities in plant...

Details System and method for diagnosing abnormalities in plant... System and method for diagnosing abnormalities in plant...

2007-05-01

2007-05-01

Barlow, Jr., John E. (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C702S182000

Reexamination Certificate

active

11088844

ABSTRACT:
Cause of abnormalities of an abnormal state of a control system of a plant of a turbine are estimated and diagnosed from characteristics of abnormal phenomena. By using a control system abnormality cause-and-effect matrix in which characteristics of a plurality of abnormal phenomena constructed on a knowledge base are correlated with a plurality of causes by correlating (weighting) scores, plant devices causing abnormality are inferred and diagnosed.

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