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|Title:||A new unified approach to valve stiction quantification and compensation|
|Citation:||Ivan, L.Z.X., Lakshminarayanan, S. (2009-04-01). A new unified approach to valve stiction quantification and compensation. Industrial and Engineering Chemistry Research 48 (7) : 3474-3483. ScholarBank@NUS Repository. https://doi.org/10.1021/ie800961f|
|Abstract:||Satisfactory control loop performance has always been a vital objective in process industries for economic reasons. However, unsatisfactory performance may prevail, of which valve stiction is a common culprit. In this work, a new unified approach is introduced to quantify valve stiction in control loops and then compensate for it. The newly proposed stiction quantification method uses a one-parameter stiction model and is based on a modified Hammerstein identification approach. In conjunction with the stiction quantification algorithm, a novel compensation technique that adds a constant amplitude signal to the valve input signal is presented. The effectiveness of the proposed scheme is demonstrated using simulation examples. © 2009 American Chemical Society.|
|Source Title:||Industrial and Engineering Chemistry Research|
|Appears in Collections:||Staff Publications|
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