Application of abnormal event detection (AED) technology to polymers
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United States of America Patent
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Jul 20, 2010
Grant Date -
Apr 24, 2008
app pub date -
Mar 16, 2007
filing date -
Mar 21, 2006
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Abstract
The present invention is a method and system for detecting an abnormal event for process units of a Polymers Unit. The method compares the operation of the process units to statistical, engineering or heuristic models. The statistical models are developed by principle components analysis of the normal operation for these units. In addition, the engineering models are based on correlation analysis between variables or simple engineering calculations. If the difference between the operation of a process unit and the normal model result indicates an abnormal condition, then the cause of the abnormal condition is determined and corrected.
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