On-line multivariate analysis in a distributed process control system
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United States of America Patent
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Sep 6, 2011
Grant Date -
Apr 3, 2008
app pub date -
Mar 20, 2007
filing date -
Sep 29, 2006
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Abstract
A method and system for monitoring a process in a process plant includes collecting data from a process control system within the process plant, where the data is representative of a normal operation of the process when the process is on-line and operating normally, performing a multivariate statistical analysis to represent the normal operation of the process based on a set of collected on-line process data comprising a measure of the normal operation of the process when the process is on-line and operating normally, and representing a real-time on-line operation of the process using monitored on-line process data as an input to the representation of the normal operation of the process, where the monitored on-line process data comprises a measure of a real-time operation to the process when the process is on-line.
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