System and method for diagnosing abnormalities in plant control system
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United States of America Patent
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May 1, 2007
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N/A
app pub date -
Mar 25, 2005
filing date -
Sep 27, 2002
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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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