Diagnostics in industrial process control system
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United States of America Patent
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Mar 16, 2010
Grant Date -
Jan 11, 2007
app pub date -
Apr 4, 2006
filing date -
Apr 4, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A device for diagnosing operation of an industrial process control or monitoring system includes an input configured to receive an input related to a process signal. A first statistical parameter module provides a first statistical parameter output related to a statistical parameter of the process signal. A filter provides a filter output related to a filtered value of the process signal. A second statistical parameter module provides a second statistical parameter output related to a statistical parameter of the filter output. A diagnostic module diagnoses operation of the industrial process based upon the first and second statistical parameters.
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