Blar i NTNU Open på forfatter "Pedersen, Torbjørn"
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Data Pre-processing and Sensor-Fusion for Multivariate Statistical Process Control of an Extrusion Process
Westad, Frank; Lodgaard, Lars; Pedersen, Torbjørn (Peer reviewed; Journal article, 2023)In most manufacturing processes, data related to a product are collected across several process steps. Ensuring good data quality is essential for subsequent process modeling, monitoring, and control. Although data for a ... -
Holistic flow and pressure control for underbalanced drilling operations
Pedersen, Torbjørn (Doctoral theses at NTNU;2016:333, Doctoral thesis, 2016)This text is targeted towards engineers and researchers working with drilling automation. Though the selected application domain is underbalanced drilling (UBD) the results are applicable to managed pressure drilling ... -
L1 Adaptive Control in Managed Pressure Drilling
Pedersen, Torbjørn (Master thesis, 2009)The control solution is a crucial part of Managed Pressure Drilling. Existing solutions are often based on Proportional plus Integral (PI) control and have several drawbacks, mainly poor performance for some common drilling ...