Multivariate statistical process analysis systems and methods for the production of melt polycarbonate
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United States of America Patent
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Apr 15, 2003
Grant Date -
Apr 3, 2003
app pub date -
Aug 13, 2001
filing date -
Aug 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Computerized process control systems and methods for the production of melt polycarbonate include a plurality of sensors for obtaining a plurality of measurements relating to a plurality of predetermined process variables, a preprocessor for preprocessing each of the plurality of measurements for multivariate statistical analysis, an identifier for identifying which of the plurality of predetermined process variables affect each of a plurality of predetermined product variables, a correlator for correlating the plurality of predetermined process variables and the plurality of predetermined product variables, and a model generator for modeling the relationship between the plurality of predetermined process variables and the plurality of predetermined product variables. The plurality of predetermined process variables are analyzed to predict polymer performance and/or to ensure that the value of each of the plurality of predetermined process variables is within a predetermined range.
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