Blar i NTNU Open på tittel
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Optimal control of variable speed hydropower - Utilising model predictive control and virtual inertia for delivering power system services
(HydroCen brief;Nr. 3, Report, 2021) -
Optimal control of variable speed hydropower Utilising model predictive control and virtual inertia for delivering power system services
(Doctoral theses at NTNU;2021:128, Doctoral thesis, 2021) -
Optimal control under uncertainty - Applied to upstream petroleum production
(Doctoral theses at NTNU;2017:28, Doctoral thesis, 2017)Optimal control has been applied successfully in a wide range of applications, especially within the process industries in the form of Model Predictive Control (MPC). By employing a dynamic model to predict the response ... -
Optimal Control-based Docking for Autonomous Ferries
(Master thesis, 2020)Dokking til kai er ansett som en svært krevende operasjon for de fleste marine fartøy. Automatisering av denne prosessen vil kunne føre til bedre sikkerhet, lavere energiforbruk, mindre stress for mannskapet og lavere ... -
Optimal coordination of renewable sources and storage in energy-constrained power systems
(Doctoral theses at NTNU;2022:188, Doctoral thesis, 2022)Integrating high levels of variable renewable energy sources (VRESs) in power systems imperils the security of supply. Energy storage systems (ESSs) contribute both to cost reduction through increased and improved utilization ... -
Optimal cryogenic processes for nitrogen rejection from natural gas
(Journal article; Peer reviewed, 2018)Nitrogen rejection processes are usually needed for two natural gas sources: sub-quality natural gas reserves and produced gas from enhanced oil/gas recovery technologies. The nitrogen content of natural gas in the former ... -
Optimal deployment pathways for electric vehicles in the UK
(Master thesis, 2019)Storbritannia har forpliktet seg til å redusere sine klimagassutslipp med 80 % i 2050, relativt til 1990. I 2018 stod veitrafikken for en tredjedel av de nasjonal utslippene, så en avkarbonisering av denne sektoren har et ... -
Optimal design and cost of ship-based CO2 transport under uncertainties and fluctuations
(Peer reviewed; Journal article, 2020)This study investigates the impact of operational fluctuations and uncertainties on the design and expected cost of ship-based CO2 transport. The model analysis is based on a two-stage stochastic investment model for a ... -
Optimal design and operation of a waste tire feedstock polygeneration system
(Peer reviewed; Journal article, 2021)The optimal design and operation of a polygeneration system that uses a waste tire feedstock to produce a mix of electricity, fuels and chemicals is presented. Rigorous mass and energy balance models for the process are ... -
Optimal design and operation of CCS value chains with a focus on the transport system
(Doctoral theses at NTNU;2023:18, Doctoral thesis, 2023)Summary of the thesis Carbon capture and storage (CCS) is a critical climate change mitigation tool for the world economy. Achieving net-zero emissions by 2050 demands a rapid deployment of available abatement technologies, ... -
Optimal Design and Operation of Flexible Polygeneration Systems using Decomposition Algorithms
(Computer-aided chemical engineering;, Chapter, 2020)A flexible design solution for a polygeneration system that utilizes a hybrid waste tire and natural gas feedstock to produce a mix of electricity, fuels and chemicals is presented. The optimal design and operation under ... -
Optimal Design and Usage of Battery Storage in Private Houses Using Optimal Control and Stochastic MPC
(Master thesis, 2022)Denne masteroppgaven er en del av POWIOT-prosjektet, som tar sikte på å lage et Internet of Things (IoT) basert strømstyringssystem for å minimere strømkostnader i smarte bygg og for å utjevne belastningen på strømnettet. ... -
Optimal design issues of a gas-to-liquid process
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:9, Doctoral thesis, 2012)Interests in Fischer-Tropsch (FT) synthesis is increasing rapidly due to the recent improvements of the technology, clean-burning fuels (low sulphur, low aromatics) derived from the FT process and the realization that the ... -
Optimal Design of a Hybrid Energy System for the Supply of Clean and Stable Energy to Offshore Installations
(Peer reviewed; Journal article, 2020)This paper presents an innovative hybrid energy system for stable power and heat supply in offshore oil and gas installations. The proposed concept integrates offshore wind power, onsite gas turbines and an energy storage ... -
Optimal Design of Controller Parameters for Improving the Stability of MMC-HVDC for Wind Farm Integration
(Journal article, 2017)A subsynchronous oscillation (SSO) phenomenon has been observed in a modular multilevel converter-based high-voltage DC (MMC-HVDC) transmission system for wind farm integration in the real world, which is independent of ... -
Optimal Design of Flexible Power Cycles through Kriging-based Surrogate Models
(Chapter, 2018)The paper presents a novel technique to define the optimal design of a power cycle considering design and off-design performance. A Kriging-based surrogate model is developed in order to simulate the power cycle at design ... -
Optimal design of heat exchanger networks with pressure changes.
(Master thesis, 2016)Due to climate change is it desirable to improve the energy efficiency of production systems. The environmental impact will decrease with increasing energy efficiency and it will even reduce the operational cost. Heat ... -
Optimal Design of Manufacturing Cells Considering Machine Usage Percentage
(Peer reviewed; Journal article, 2020)This paper demonstrates an exclusive design methodology in Cellular Manufacturing (CM) considering machine usage percentage as ratio data. This research correctly emphasized the fundamental of ratio data and proposed a ... -
Optimal design of offshore wind turbine support structures under uncertainty - Towards a framework for practical reliability-based design optimization
(Doctoral theses at NTNU;2020:33, Doctoral thesis, 2020)As part of efforts to reduce the costs of offshore wind energy, optimization methods for the design of support structures are an important contribution. In order to account for the uncertainties in the design process without ... -
Optimal Design of Tidal Power Generator Using Stochastic Optimization Techniques
(Master thesis, 2014)Particle Swarm Optimization (PSO) and Genetic Algorithms (GA) are usedto reduce the cost of a permanent magnet synchronous generator with concentratedwindings for tidal power applications. Reducing the cost of the ...