Apparatus and method for automated data selection in model identification and adaptation in multivariable process control
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United States of America Patent
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Sep 22, 2015
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Sep 19, 2013
app pub date -
May 9, 2013
filing date -
May 29, 2009
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Abstract
A computer-based apparatus and method for automated data screening and selection in model identification and model adaptation in multivariable process control is disclosed. Data sample status information, PID control loop associations and internally built MISO (Multi-input, Single-output) predictive models are employed to automatically screen individual time-series of data, and based on various criteria bad data is automatically identified and marked for removal. The resulting plant step test/operational data is also repaired by interpolated replacement values substituted for certain removed bad data that satisfy some conditions. Computer implemented data point interconnection and adjustment techniques are provided to guarantee smooth/continuous replacement values.
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