Method and system for detecting abnormal operation in a process plant
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United States of America Patent
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Mar 22, 2011
Grant Date -
Jan 31, 2008
app pub date -
Jul 25, 2006
filing date -
Jul 25, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A system for detecting abnormal operation of at least a portion of a process plant includes a model to model at least the portion of the process plant. The model may be configurable to include multiple regression models corresponding to multiple different operating regions of the portion of the process plant. The system may also include a deviation detector configured to determine if the actual operation of the portion of the process plant deviates significantly from the operation predicted by the model. If there is a significant deviation, this may indicate an abnormal operation.
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