Blar i NTNU Open på forfatter "Gjertsen, Fredrik"
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A Modeling Framework for Control of Smart-Scale Tubular Polymerization Reactors - A Case Study on Nonlinear Model-based Predictive Control of an Emulsion Copolymerization Process
Gjertsen, Fredrik (Master thesis, 2014)Polymer science is the underlying topic of this master's thesis, and the main scope is to develop and deploy models for on-line optimization and control for polymerization reactors. Specifically, free-radical emulsion ... -
Bilevel Model Predictive Control of a Semi-Batch Emulsion Copolymerisation Reactor
Kjetså, Ellen (Master thesis, 2017)The objective of this thesis is to study the implementation of an on-line bilevel model predictive control (MPC) application to an emulsion copolymerisation process in a semi-batch reactor. Previous work has been performed ... -
Demonstration of non-linear model predictive control of post-combustion CO2 capture processes
Hauger, Svein Olav; Flø, Nina Enaasen; Kvamsdal, Hanne Marie; Gjertsen, Fredrik; Mejdell, Thor; Hillestad, Magne (Journal article; Peer reviewed, 2019)Nonlinear model predictive control applications have been deployed on two large pilot plants for post combustion CO2 capture. The control objective is formulated in such a way that the CO2 capture ratio is controlled at a ... -
Dynamic Real-Time Optimisation of a CO2 Capture Facility
Hotvedt, Mathilde; Hauger, Svein Olav; Gjertsen, Fredrik; Imsland, Lars Struen (Journal article; Peer reviewed, 2019)This work investigates economic optimisation of an energy-intensive amine regeneration process in a post-combustion CO2 capture plant, subject to a minimum CO2 capture ratio over 24 hours. A Dynamic Real-Time Optimisation ... -
Dynamic Real-Time Optimisation of an Amine-Based Post-Combustion CO2 Capture Facility using Single-Level Nonlinear Model Predictive Control
Hotvedt, Mathilde (Master thesis, 2018)A complete model of a CO2 capture facility has been optimised with the aid of Dynamic Real-Time Optimisation (DRTO) utilising single-level, Nonlinear Model Predictive Control to merge regulatory and economic objectives. ...