Model-free optimal anti-slug control of a well-pipeline-riser in the K-Spice/LedaFlow simulator

Dalen, Christer; Di Ruscio, David Luigi; Nilsen, Roar
Journal article, Peer reviewed
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http://hdl.handle.net/11250/2438455
Date
2015
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Original version
Dalen, C., Di Ruscio, D. L., & Nilsen, R. (2015). Model-free optimal anti-slug control of a well-pipeline-riser in the K-Spice/LedaFlow simulator. Modeling, Identification and Control, 36(3), 179-188. doi:http://dx.doi.org/10.4173/mic.2015.3.5   http://dx.doi.org/10.4173/mic.2015.3.5
Abstract
Simplified models are developed for a 3-phase well-pipeline-riser and tested together with a high fidelity dynamic model built in K-Spice and LedaFlow. These models are developed from a subspace algorithm, i.e. Deterministic and Stochastic system identification and Realization (DSR), and implemented in a Linear Quadratic optimal Regulator (LQR) for stabilizing the slugging regime. We are comparing LQR with PI controller using different performance measures.
Journal
Modeling, Identification and Control