Method and device for monitoring and fault detection in industrial processes
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United States of America Patent
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Apr 21, 2009
Grant Date -
Dec 1, 2005
app pub date -
Jun 27, 2003
filing date -
Jun 28, 2002
priority date (Note) -
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Abstract
A method for monitoring of and fault detection in an industrial process, comprising at least a first sub-process and at least one second sub-process arranged in a process chain, comprising, for the at least one second sub-process the steps of collecting data and calculating a multivariate sub-model based on the collected data, said method being characterized by the steps of receiving in the first sub-process from the at least second sub-process information related to the multivariate sub-model calculated for the at least second sub-process, collecting data related to the first sub-process, and calculating a multivariate sub-model for the first sub-process based on collected data and received information.
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