Browsing Institutt for marin teknikk by Author "Pedersen, Eilif"
Now showing items 61-80 of 109
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Marine Crane Dynamics Lab - Modelling and experimental validation
Evang, Thomas Haraldsen (Master thesis, 2017)In this thesis, simulation models for a knuckleboom crane and its winch system have been developed. The simulation models have been used to design model based control laws for positioning the orientation of the crane joints ... -
Marine Vessel and Power Plant System Simulator
Bø, Torstein Ingebrigtsen; Dahl, Andreas Reason; Johansen, Tor Arne; Mathiesen, Eirik; Rejani Miyazaki, Michel; Pedersen, Eilif; Skjetne, Roger; Sørensen, Asgeir Johan; Thorat, Laxminarayan; Yum, Kevin K. (Journal article; Peer reviewed, 2015)Modern marine electric propulsion vessels have many systems. These interactions and integration aspects are essential when studying a system and subsystem behavior. This is especially important when considering fault ... -
Measurement, characterization and simulation of VOC emissions from crude oil loading, transport and discharge from Persian Gulf by ship
Nordvik, Jakob (Master thesis, 2020)Lette hydrokarboner fordamper fra råolje når den lagres og frigjøres også under turbulent strømning når den lastes om bord oljetankere. Når disse flyktige organiske forbindelsene frigjøres, opptar de volumet mellom oljen ... -
Mechanical Design of Massive Genset-Modules
Haugsbø, Elias (Master thesis, 2017)The research conducted in this thesis aims to develop a mechanical design of a large electric propulsion system. This electric propulsion system consisting of multiple genset operating together to reduce operation cost and ... -
Mixed Integer Optimization of Battery Utilization in Machinery Configurations for Deep-Sea Liquefied Natural Gas and Floating Storage and Regasification Unit Operations
Justad, Andreas Malm (Master thesis, 2020) -
Model Predictive Control of Marine Power Plants with Gas Engines and Battery
Bø, Torstein Ingebrigtsen; Vaktskjold, Erlend; Pedersen, Eilif; Mo, Olve (Journal article; Peer reviewed, 2019)The electric load demand on marine vessels is constantly changing during some operational modes, such as in harsh weather or complex operations. Therefore, diesel engines are typically used to handle these variations. Gas ... -
Model Reduction through Machine Learning Tools Using Simulation Data with High Variance
Yum, Kevin Koosup; Pedersen, Eilif; Taskar, Bhushan (Journal article; Peer reviewed, 2019)Enhancing the computational speed through model reduction can facilitate the use of a complex system model for a design task. A part of the system model that is demanding in numerical calculation can be replaced by a ... -
Model-based efficiency and emissions evaluation of a marine hybrid power system with load profile
Ghimire, Pramod; Karimi, Siamak; Zadeh, Mehdi; Nagalingam, Krishna Kumar; Pedersen, Eilif (Peer reviewed; Journal article, 2022)In this paper, an efficiency and emissions evaluation framework for marine DC hybrid power systems is developed based on the physics- and data-based models of the power components. The proposed framework is tested under ... -
Modeling and Analysis of a 2-Stage Turbocharger
Danielsen, Guttorm N (Master thesis, 2015)2-trinns turbolader konseptet som brukes i denne masteroppgaven, er to separate turboladere koblet i serie. Luften går gjennom en lavtrykkskompressor, og en høytrykkskompressor, før den kommer inn på innsugingsventilene. ... -
Modeling and analysis of performance and emissions of marine lean-burn natural gas engine propulsion in waves
Tavakoli, Sadi; Saettone, Simone; Steen, Sverre; Andersen, Poul; Schramm, Jesper; Pedersen, Eilif (Peer reviewed; Journal article, 2020)In many vessels, the prime mover is a diesel engine, while the researchers recommended using natural gas as an attractive option to comply with the latest emission legislations. This study aims to analyze the dynamic ... -
Modeling and control of hybrid marine power plants
Miyazaki, Michel Rejani (Doctoral theses at NTNU;2017:199, Doctoral thesis, 2017)Recent advancements in energy storage devices technology, together with increased concerns and regulations on greenhouse gas emissions have been a major factor for the development of new and innovative marine power plants ... -
Modeling and Simulation of a flexible Damper during Ice in Propeller Impacts
Beckenkamp, Alexandra (Master thesis, 2015)In the beginning the problematic of ice impacts on a ships drive train and the similarity of this work to last year's thesis from Bjørn Eliassen Vik is mentioned. After that the Bond-Graph-Methodology on which this thesis ... -
Modeling and Simulation of Maritime Systems and Operations for Virtual Prototyping using Co-Simulations
Skjong, Stian (Doctoral theses at NTNU;2017:374, Doctoral thesis, 2017-12-19) -
Modeling and Simulation of the Accumulator During Active Heave Compensation Operations
Chu, Yingguang; Æsøy, Vilmar; Bunes, Øyvind; Pedersen, Eilif (Chapter; Peer reviewed, 2016)The paper presents the modeling and simulation of the thermodynamics of the accumulator system of the heave compensation system. Heave compensators in offshore and subsea applications are used to reduce the relative vertical ... -
Modeling and Simulation of Transient Performance and Emission of Diesel Engine: Pseudo Bond Graph Approach to Modelling the Thermodynamic Process
Yum, Kevin Koosup (Master thesis, 2012)Internal combustion engines have been very successful as power producers in the marineapplicaiton due to their simplicity of construction, high efficiency and long track of proven technology. However, as the environmental ... -
Modeling Hydraulic Winch System
Skjong, Stian; Pedersen, Eilif (Chapter, 2014) -
Modeling of Generic Offshore Vessel in Crane Operations With Focus on Strong Rigid Body Connections
Rokseth, Børge; Skjong, Stian; Pedersen, Eilif (Journal article; Peer reviewed, 2016)Both marine surface vehicles and underwater vehicles are often equipped with cranes, robotic manipulators, or similar equipment. Much attention is given to modeling of both the dynamics of marine vehicles and the dynamics ... -
Modeling of Hybrid Marine Electric Propulsion Systems
Gåsemyr, Øyvind Rønneberg (Master thesis, 2014)Energy storage devices integrated in diesel-electric power systems is believed to have impact also in marine applications, when it comes to emissions and fuel efficiency. For certain load conditions energy storage can act ... -
Modeling, Simulation and Control of Hydraulic Winch System
Skjong, Stian (Master thesis, 2014)In this thesis a hydraulic low pressure winch system has been modeled using bond graph theory. The hydraulic winch system is assumed to be installed on an offshore vessel affected by environmental forces and disturbances ... -
Modelling of a Solenoid Injector for Internal Combustion Engines and Simulation Using the Bond Graph Methodology
Gaucherand, Jessica; Pedersen, Eilif; Netzer, Corinna; Løvås, Terese (Peer reviewed; Journal article, 2023)In internal combustion engines, fuel injection timing, injection rate and pressure is optimized to ensure suitable combustion and reduce emissions. Injectors are complex systems where mechanical, electromagnetic, and fluid ...