Browsing USN Open Archive by Author "Viumdal, Håkon"
Now showing items 1-20 of 20
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Automatic data collection, visualization and predictive maintenance during probe calibration in CNC machines
Johansson, Walter (Master thesis, 2022)GKN Aerospace is a world leading supplier of engine parts in the aerospace industry, for both military and commercial engine programs. One of GKN’s 51 manufacturing locations is GKN Aerospace Norway AS (GAN), located in ... -
Data Analysis and Modelling of Induction Hardening Processes
Panzeri Reyes, Stefano Fernando (Master thesis, 2023)In collaboration with ENRX, this project conducted a technical feasibility study focused on data collection and analysis. The project involved gathering operational data from induction hardening machines owned by various ... -
Developing ultrasonic soft sensors to measure rheological properties of non-Newtonian drilling fluids
Jondahl, Morten Hansen; Viumdal, Håkon (Journal article; Peer reviewed, 2019)Surveillance of the rheological properties of drilling fluids is crucial when drilling oil wells. The prevailing standard is lab analysis. The need for automated real-time measurements is, however, clear. Ultrasonic ... -
Development of models for estimating snow depth and snow density using machine learning methods
Vahl, Henrik Nikolai (Master thesis, 2021)Denne oppgaven tar utgangspunkt i data fra prototyper av et foreslått system for å måle snødybde og snøtetthet med kapasitanssensorer. Den eksterne partneren, Skagerak Energi AS, ønsker et system for å måle dette. Basert ... -
Ensemble learning in the estimation of flow types and velocities of individual phases in multiphase flow using non-intrusive accelerometers' and process pressure data
Yan, Ru; Viumdal, Håkon; Fjalestad, Kjetil; Mylvaganam, Saba (Chapter, 2022)Multiphase flows with oil/ gas/ water are common in oil and gas industries. Accurately identifying flow types and estimating flow velocities of the individual phases are crucial for different purposes, such as observing ... -
General Approaches for 3D Point-Cloud Evaluation, Classification and Material Thickness
Austefjord, Ruben (Master thesis, 2021)Analysis of geometric point cloud measurements pose very difficult challenges if removed from prior knowledge regarding the measurement process or measured object. The goal is to investigate how collections of 3D coordinates ... -
Industry Master Courses – Successful Digitalisation and Lifelong Learning – Recent Case Studies
Viumdal, Håkon; Halvorsen, Hans-Petter; Mylvaganam, Saba; Timmerberg, Josef; Pedersen, Morten; Thiriet, Jean Marc (Chapter, 2023)Industries in EU, UK and EEA countries are now supporting their employees with the necessary educational background to continue their learning thus promoting the acquirement of new skills and knowhow of their workforce ... -
Machine learning models for evaluation of online dust measurements in NPK prill stack
Jaganjac, Amar (Master thesis, 2022)Yara Porsgrunn are trying to determine the outflow of dust at their NPK prill facilities and if possible reduce it. This data needs also to be reported to the Norwegian authorities. Process data as well as dust measuring ... -
Manufacturing analysis and data acquisition in advanced machining
Guldbjørnsen, Kjell Arne Stølen (Master thesis, 2021)To cut cost of maintenance, being able to stop the machines at the right time before fault and the possibility to implement zero defect manufacturing is an important part of manufacturing aeroplane engine parts. The purpose ... -
Model Based Early Kick/Loss Detection and Attenuation with Topside Sensing in Managed Pressure Drilling
Jinasena, Asanthi; Holta, Haavard H. F.; Jondahl, Morten Hansen; Welahettige, Prasanna Kumara Welahetti; Aamo, Ole Morten; Sharma, Roshan; Viumdal, Håkon; Lie, Bernt (Peer reviewed; Journal article, 2020)Early kick/loss detection is a crucial part of safe well control, and it plays a major role in the reduction of risk and non-productive time in drilling. In conventional drilling, topside sensing is used for early kick/loss ... -
Multiphase flow estimation using accelerometers, ultrasonic sensors, and machine learning
Khadka, Ashim (Master thesis, 2022)The new sensors, accelerometers, and ultrasonic sensors were installed in the existing multimodal sensor suite used in the multiphase flow in the process hall in Campus Porsgrunn of USN. Multiphase flow experiments were ... -
Multiphase flow metering – estimation of flow velocities of component phases using multimodal sensor suite
Rasmussen, Andreas Lund (Master thesis, 2022)There are many good alternatives to measure single-phase flow with high accuracy, but measuring multiphase flow is challenging. The sand detectors used on Equinor’s oil and gas installations use a piezoelectric sensor to ... -
Online Drilling Fluid Flowmetering in Open Channels with Ultrasonic Level Sensors using Critical Depths
Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Journal article; Peer reviewed, 2017)In drilling operations, non-Newtonian drilling fluid is continuously circulated in a closed loop. One of the ways to monitor and regulate drilling operations is by accurately measuring the flow rate of circulating drilling ... -
Rheological characterization of non-Newtonian Drilling Fluids with non-invasive Ultrasonic Interrogation
Jondahl, Morten Hansen; Viumdal, Håkon; Mozie, Kenneth Nonso; Mylvaganam, Saba (Journal article; Peer reviewed, 2017)The drilling process is generally costly and time consuming and prone to serious hazards. Cost-efficiency and enhanced safety measures are vital for any drilling operation. Recent studies indicate that poor reliability in ... -
Soft Sensing of Non-Newtonian Fluid Flow in Open Venturi Channel Using an Array of Ultrasonic Level Sensors—AI Models and Their Validations
Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Journal article; Peer reviewed, 2017) -
Spesifisering av et maskinlærings operasjonaliseringsrammeverk, forbedring og generalisering av maskinlæringsmodeller for eksenterskruepumper på Den Magiske Fabrikken
Holm, Martin (Master thesis, 2022)En av prosessdelene på Den Magiske Fabrikken bruker eksenterskruepumper, disse blir må ofte bli byttet ut og er kostbart. For å redusere antall erstatninger og heller øke mengde reperasjoner med slitedeler er det ønskelig ... -
Sustainability Awareness through STEAM+
Timmerberg, Josef; Halvorsen, Hans-Petter; Viumdal, Håkon; Mylvaganam, Saba (Peer reviewed; Journal article, 2021)Innovative technology enterprises have been working closely with OECD countries to address issues related to sustainability. There are many acronyms associated with STEM, e.g. STEM+, incorporating the humanities, community ... -
Ultrasonic level scanning for monitoring mass flow of complex fluids in open channels — A novel sensor fusion approach using AI techniques
Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Peer reviewed; Journal article, 2017) -
Vertical track geometry identification from IMU data and GNSS data
Jørundland, Ruben Svedal (Master thesis, 2023)This report presents a study on predicting the elevation of a stretch of railroad track using a combination of sensors, data processing techniques, and algorithms. Initially, the research aimed to utilize both an IMU sensor ... -
Water Care System (WCS) for Numeric Water Quality Criteria (NWQC) with IoT/IoUT–Educational Implications of Sustainability Goal SDG 14
Tretjakova, Rasma; Halvorsen, Hans-Petter; Viumdal, Håkon; Mylvaganam, Saba; Timmerberg, Josef; Thiriet, Jean Marc (Chapter, 2022)In most developing countries and evolving countries, availability of potable water is scarce, and the water sources are very often unattended or unmonitored. Island states have the additional problems associated with ...