Method and Apparatus for Detecting and Identifying Faults in a Process
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Jun 11, 2014
filing date -
Jun 11, 2013
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Abstract
A method and apparatus is provided for detecting and identifying faults in a process having a set of sensors, each of which produces an associated sensor output signal. The method and apparatus extracts the qualitative trend of each variable after detecting an abnormal situation. The set of variable trends constitutes the fault signature which can be compared to a previously generated signature database.
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