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Topics in open and closed loop subspace system identification : finite data-based methods
(Doctoral thesis; Peer reviewed, 2006)
When subspace identification methods for finite closed loop data sets are presented they are often compared to poor subspace identification methods. The methods presented in this thesis are always compared to the results ...
Empirical modeling, state estimation, and process control with real-life applications to the Czochralski crystallization process
(Doctoral thesis; Peer reviewed, 2012-05-24)
This PhD thesis presents research work within the field of systems and control engineering, with emphasis on applications to real-life processes, the Czochralski (CZ) crystallization process in particular. During the PhD ...
Tomographic Approach to Automatic and Non-Invasive Flow Regime Identification
(Doctoral thesis; Peer reviewed, 2015-08-28)
This thesis mainly presents the use of process tomography to study and measure flow parameters in two phase horizontal and near horizontal flows. All static measurements were made using a horizontal separator section while ...
Image-based sizing techniques for fire water droplets
(Doctoral thesis; Peer reviewed, 2015-11-12)
The Norwegian petroleum industry has developed a standard for the technical safety of offshore installations (NORSOK S-001, 2008). When dimensioning accidental load with this standard, the deluge or fire water spray may ...