Blar i Institutt for elektro, IT, og kybernetikk på tittel
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Electric Submersible Pump Lifted Oil Field: Basic Model for Control, and Comparison of Simulation Tools
(Peer reviewed; Journal article, 2024)Early childhood educationOptimal operation of petroleum production is important in a transition from energy systems based on fossil fuel to sustainable systems. One sub-process in petroleum production deals with transport ... -
Electrical Power System Modelling in Modelica – Comparing Open-source Library Options
(Journal article; Peer reviewed, 2017)The past modelling of electrical powers systems used to be a the domain of a few major power system modelling tools. Commercial tools1 like DIgSILENT PowerFactory [3], POWERSYS EMTP-RV [17], PSCADTM [14], Siemens PSS/E R ... -
Empirical Modeling of Heating Element Power for the Czochralski Crystallization Process
(Journal article, 2010)The Czochralski (CZ) crystallization process is used to produce monocrystalline silicon. Monocrystalline silicon is used in solar cell wafers and in computers and electronics. The CZ process is a batch process, where ... -
Enhanced demand side management for solar-based isolated microgrid system: Load prioritisation and energy optimisation
(Peer reviewed; Journal article, 2023)A novel control mechanism is presented for rural microgrids, standing out in the current literature with its advanced approach to load prioritisation and energy allocation. The system's main goal is to maximise energy ... -
Enhanced Power Capability of Generator Units for Increased Operational Security using NMPC
(Peer reviewed; Journal article, 2019)The ever-increasing penetration of intermittent energy sources introduces new demanding operating regimes for the bulk power generation in the power grid. During a worst-case power system disturbance scenario, the generator ... -
Ensemble learning in the estimation of flow types and velocities of individual phases in multiphase flow using non-intrusive accelerometers' and process pressure data
(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 ... -
Entrepreneurship Education for Engineering Students – A Survey of Former Students’ Self-Employment and Market Attraction
(Journal article; Peer reviewed, 2019)Engineering students will meet a working life with great expectations and demands of creativity, innovation, and entrepreneurial skills. They will need to demonstrate abilities like business knowledge, management, marketing, ... -
Equilibrium Measurements of the NH3-CO2-H2O System: Speciation Based on Raman Spectroscopy and Multivariate Modeling
(Journal article; Peer reviewed, 2017)Liquid speciation is important for reliable process design and optimization of gas-liquid absorption process. Liquid-phase speciation methods are currently available, although they involve tedious and time-consuming ... -
ESP Lifted Oil Field: Core Model, and Comparison of Simulation Tools
(Peer reviewed; Journal article, 2023)Optimal operation of petroleum production is important in a transition from energy systems based on fossil fuel to sustainable systems. One sub-process in petroleum production deals with transport from the (subsea) well-bore ... -
Estimate the temperature rise of medium voltage metal enclosed switchgear by simplified heat transfer calculations
(Journal article; Peer reviewed, 2020)Electrical equipment will experience a rise in temperature during normal operation. During a development process, prototypes and laboratory tests will be required to make sure the temperature rises are within acceptable ... -
Estimating uncertainty of model parameters obtained using numerical optimisation
(Peer reviewed; Journal article, 2019)Obtaining accurate models that can predict the behaviour of dynamic systems is important for a variety of applications. Often, models contain parameters that are difficult to calculate from system descriptions. Hence, ... -
Estimation of gas/liquid and oil/water interface levels in an oil/water/gas separator based on pressure measurements and regression modelling
(Journal article; Peer reviewed, 2013-02-08)Gravity separators are widely used for separation of gas/oil/water/sand from both offshore and onshore oil production facilities. Estimation of the gas/liquid and oil/water interface levels in gravity separators have been ... -
Estimation of the heating time of small-scale buildings using dynamic models
(Journal article; Peer reviewed, 2016)Most buildings are not continuously occupied, such as office buildings, schools, churches and many residential buildings. Maintaining comfortable conditions only during the occupied periods reduces the energy costs. This ... -
Estimation, system identification and chemometrics
(Conference report, 2000)In our master degree program in process automation, traditional modeling and control courses are supplemented by courses in experimental design and chemometrics. A corresponding inter-disciplinary research program supports ... -
Euler-Granular Approach for Modelling of Dilute Phase Pneumatic Conveying in a Vertical Pipe
(Journal article; Peer reviewed, 2017)In the present study, vertically upward dilute phase pneumatic conveying flow was predicted using Euler - Granular method. Three dimensional computational fluid dynamics simulations were carried out for an 8 m long and ... -
Evaluation of a LoRa Mesh Network for Smart Metering in Rural Locations
(Peer reviewed; Journal article, 2021)Accompanying the advancement on the Internet of Things (IoT), the concept of remote monitoring and control using IoT devices is becoming popular. Digital smart meters hold many advantages over traditional analog meters, ... -
Excellence through internationalization : turning "losers" into "winners"
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Experiences and trends in control education: a HIOA/USN perspective
(Chapter; Peer reviewed, 2016)Global trends in higher education including e-learning, massive open online courses, and new teaching methods have positively affected control education. Control course content has evolved due to changes in industrial ... -
Exploring Feedback and Gamification in a Data Modeling Learning Tool
(Peer reviewed; Journal article, 2021)Data modeling is an essential part of IT studies. Learning how to design and structure a database is important when storing data in a relational database and is common practice in the IT industry. Most students need much ... -
FAPI Controller for Frequency Support in Low-Inertia Power Systems
(Journal article, 2020)This paper presents different forms of Fast Active Power Injection (FAPI) control schemes for the analysis and development of different mitigation measures to address the frequency stability problem due to the growth of ...