Browsing Fakultet for ingeniørvitenskap (IV) by Author "Utne, Ingrid Bouwer"
Now showing items 81-100 of 149
-
Optimization-based planning and control of AUVs applied to adaptive sampling under ice
Bremnes, Jens Einar; Devonport, Alex; Yin, He; Arcak, Murat; Sørensen, Asgeir Johan; Utne, Ingrid Bouwer (Chapter, 2020)This paper presents a framework for optimization-based informative planning and control with applications to adaptive sampling with AUVs under sea ice. A spatial model of the information of interest is approximated as a ... -
Organisational safety indicators in aquaculture – a preliminary study
Holmen, Ingunn Marie; Utne, Ingrid Bouwer; Haugen, Stein (Chapter, 2017)The aquaculture industry has since the 70’s grown to become one of the most important industries in Norway. A safety challenge for the Norwegian fish farming companies is escape of salmon. During the last decade, the main ... -
Performance Monitoring in Teekay Petrojarl: Criteria, Metrics, Utilisation of Data and Improvement Processes
Holgersen, Lars Kristian (Master thesis, 2014)The petroleum industry is capital intensive and oil companies are dependent on stable and reliable production. Costs in early project phases must be balanced by revenue in production phases. Improving performance to ensure ... -
Performance monitoring on a gas admission valve in a dual fuel engine - Implementation of condition based maintenance by applying machine learning and statistical models
Grønnæss, Kristin (Master thesis, 2018)An analysis of the performance data from a dual fuel engine is performed, in order to build several prognostic models to predict when a failure occurs on the gas admission valve. The model who performs and provides the ... -
Planlegging av Arktiske operasjoner: Fiskeflåtens og Polarkodens påvirkning av Arktiske operasjoner
Dypvik, Tora Gjermstad (Master thesis, 2013)Med krympingen av den Arktiske isen, utvides mulighetene for aktivitet i området. Fiskefartøy har vært i Arktis lenge, og ved at området er isfritt lengre, åpnes det for en lengre driftsperiode i nordområdene. Denne fordelen ... -
Predicting rig motions on a MODU using operational data and machine learning
Mjønes, Rebekka Støle (Master thesis, 2019)Olje og Gass selskaper har investert store summer i infrastruktur til å samle, lagre og henteut data, noe som har ført til at enorme mengder med data blir generert og lagret hver dag.Denne dataen, i kombinasjon med utviklingen ... -
Prediction of Vessel Activity in Arctic Waters using Supervised Learning Methods
Kiær, Beatrice (Master thesis, 2022)Raske miljøendringer i Arktis, i form av varmere temperaturer og smelting av havis, fører til lengre navigasjonssesonger og alternative transportveier. Økt sjøtrafikk i de tøffe klimaforholdene fører til en høyere sannsynlighet ... -
Preliminary hazard analysis of a small harbor passenger ferry – results, challenges and further work
Thieme, Christoph Alexander; Guo, Chuanqi; Utne, Ingrid Bouwer; Haugen, Stein (Journal article; Peer reviewed, 2019)The Norwegian University of Science and Technology (NTNU), is currently designing a small autonomous passenger ferry for up to 12 passengers. The ferry will bridge a harbor channel in Trondheim, Norway. This paper presents ... -
Probabilistic Localization and Mapping of Flexible Underwater Structures using Octomap
Haugaløkken, Bent Oddvar Arnesen; Sandøy, Stian Skaalvik; Ingrid Schjølberg; Alfredsen, Jo Arve; Utne, Ingrid Bouwer (Chapter, 2018)This paper addresses localization and mapping of flexible ocean structures. The methodology is based on a network of low cost acoustic transmitters on the structure and receivers stationed in the vicinity of the structure. ... -
Proceedings of the 4th International Workshop on Autonomous Systems Safety
Correa-Jullian, Camila; Grimstad, Joachim; Dugan, Spencer August; Ramos, Marilia Abilio; Thieme, Christoph Alexander; Morozov, Andrey; Utne, Ingrid Bouwer; Mosleh, Ali (Research report, 2023) -
Proceedings of the First International Workshop on Autonomous Systems Safety
Ramos, Marilia Abilio; Thieme, Christoph Alexander; Utne, Ingrid Bouwer; Mosleh, Ali (Book, 2019) -
Proceedings of the International Workshop on Autonomous Systems Safety 2021
Thieme, Christoph Alexander; Ramos, Marilia A; Utne, Ingrid Bouwer; Mosleh, Ali (Research report, 2021)The International Workshop for Autonomous System Safety (IWASS) is a joint effort by the B. John Garrick Institute for the Risk Sciences at the University of California Los Angeles (UCLA) and the Norwegian University of ... -
An RCM approach for assessing reliability challenges and maintenance needs of unmanned cargo ships
Eriksen, Stig; Utne, Ingrid Bouwer; Lützen, Marie (Peer reviewed; Journal article, 2021)Unmanned autonomous cargo ships may change the maritime industry, but there are issues regarding reliability and maintenance of machinery equipment that are yet to be solved. This article examines the applicability of the ... -
Real-Time Marine Vessel and Power Plant Simulation
Bø, Torstein Ingebrigtsen; Johansen, Tor Arne; Dahl, Andreas Reason; Rejani Miyazaki, Michel; Pedersen, Eilif; Rokseth, Børge; Skjetne, Roger; Sørensen, Asgeir Johan; Thorat, Laxminarayan; Utne, Ingrid Bouwer; Yum, Koosup; Mathiesen, Eirik (Chapter; Peer reviewed, 2015)In this paper, we present a system simulator of a marine vessel and power plant which contains the mechanical system with diesel engines, propellers, steering gear, and thrusters; the electrical system with generators, ... -
Reducing the probability of ship grounding: Which measure to undertake?
Akhtar, Juned; Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2014)The analytic hierarchy process has been used to elicit the knowledge of maritime transport stakeholders, such as seafarers, authorities, insurers and academics, regarding human factors and risk-reducing measures for ship ... -
Reliability Analysis for Physically Separated Redundant System
Kim, HyungJu; Haugen, Stein; Utne, Ingrid Bouwer (Chapter, 2017)Redundancy has been a key concept to achieve high system reliability in technical systems, and the concept is central in modern technology regulations. One important aspect of successful redundancy is independence of the ... -
Reliability Analysis of Blowout Preventer Systems: A comparative study of electro-hydraulic vs. all-electric BOP technology
Drægebø, Elisabeth (Master thesis, 2014)A blowout preventer (BOP) is a large valve used to seal, control and monitor oil and gas wells. It serves as an important barrier against blowouts. Excessive downtime on the BOP is a problem for drilling companies worldwide, ... -
Reliability Centered Maintenance (RCM) of the Autonomous Passenger Ferry in Trondheim
Sjøholt, Natalie Bakke (Master thesis, 2018)This thesis make use of the RCM method to construct a maintenance program for an autonomous passenger ferry. The autonomous passenger ferry will work as a shuttle ferry in Trondheim, between Ravnkloa and Vestre Kanalkai. ... -
Reliability centered maintenance on the Norwegian continental shelf
Wattum, Sverre (Master thesis, 2014)The main objective of this thesis is to unveil the challenges of RCM as an analysis method for assets on the Norwegian continental shelf. A mixed research method have been used, also known as a semi-quantitative method, ... -
Reliability-Centered Maintenance for a Merlin WR200 WROV
Birkeland, John Elvin (Master thesis, 2018)IKM Subsea AS is an independent Remotely Operated Vehicle (ROV) company that owns and operates 20 Merlin WR200 ROV systems. In order to stay competitive on the ROV operation market IKM Subsea are seeking to reduce their ...