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Model-based control of slugging flow: an experimental case study

Abstract : In this paper, we compare two solutions for suppressing slug flow in pipes conveying a diphasic fluid by active feedback control of the outlet (production) choke. Con- ventionnaly, a non-collocated PI controller is used to stabilize the measured inlet pressure. Unfortunately, this method lacks robustness to changes in operating conditions and reveals difficult to calibrate. In this work, we propose a model-based approach to design a nonlinear state-feedback control law based on a first principles model of the slugging phenomenon. A theoretical proof of convergence of the closed-loop model is provided, as well as an experimental validation of these results on a mid-scale testbench.
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Submitted on : Tuesday, October 12, 2010 - 5:39:50 PM
Last modification on : Thursday, September 24, 2020 - 5:04:18 PM
Long-term archiving on: : Thursday, January 13, 2011 - 2:54:41 AM

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  • HAL Id : hal-00525797, version 1

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Florent Di Meglio, Glenn Ole Kaasa, Nicolas Petit, Vidar Alstad. Model-based control of slugging flow: an experimental case study. 2010 American Control Conference, Jun 2010, Baltimore, United States. pp.2995-3002. ⟨hal-00525797⟩

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