Browsing Fakultet for ingeniørvitenskap (IV) by Author "Utne, Ingrid Bouwer"

Now showing items 61-80 of 149

    • Integration of risk in hierarchical path planning of underwater vehicles 

      Lefebvre, Nicolas; Schjølberg, Ingrid; Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2016)
      This paper focuses on path planning problems integrating the risk of collision. This challenge is crucial regarding the use of autonomous underwater vehicles (AUVs) for inspection, maintenance and repair operations. The ...

    • Integration Test Procedures for a Collision Avoidance Decision Support System Using STPA 

      Dugan, Spencer August; Skjetne, Roger; Wróbel, K.; Montewka, J.; Gil, M.; Utne, Ingrid Bouwer (Peer reviewed; Journal article, 2023)
      The transition from conventionally manned to autonomous ships is accompanied by the development of enhanced Decision Support Systems (DSS) for navigators. Such systems need to consider interactions among hardware, software, ...

    • Intelligent low-cost solutions for underwater intervention using computer vision and machine learning 

      Skaldebø, Martin Breivik (Doctoral theses at NTNU;2023:27, Doctoral thesis, 2023)
      This thesis considers intelligent solutions that facilitates for autonomous technology in underwater intervention and navigation. A special focus have been on implementing methods and solutions in inspection, maintenance, ...

    • Life Cycle Cost Comparison Study - An analysis of a LNG ferry's performance and potential for improvement 

      Nikolaisen, Svein Roald (Master thesis, 2014)
      A life cycle cost comparison study between a newly built LNG ferry and a 21 year old conventional ferry was carried out in this study. The objective was to study the LNG vessel s cost effectiveness compared to an equivalent ...

    • LNG-fuelled fishing vessels: A systems engineering approach 

      Jafarzadeh, Sepideh; Paltrinieri, Nicola; Utne, Ingrid Bouwer; Ellingsen, Harald (Journal article; Peer reviewed, 2017)
      Air emissions from fishing vessels must be reduced to comply with progressively stringent environmental regulations. Among the available solutions, liquefied natural gas (LNG) fuel may represent a promising solution, ...

    • Long Term Scheduling of Major Renewals: Systematic Approach and Financial Applications 

      Folgerø-Holm, Jon Andreas (Master thesis, 2014)
      Much of the oil and gas installations in the North Sea originate from the booming 80s and 90s, and operators are facing considerable challenges in the managementof their ageing assets. Harsh environments combined with ...

    • Maintenance Planning and Optimization of Feed System and Camera System used in Norwegian Aquaculture - Using RCM approach to construct a maintenance program 

      Nagarajan, Manikandan (Master thesis, 2017)
      There is an increasing global demand for seafood consumption. Fish farms in Norway has gradually moved to more exposed sites due to competition with other coast-based industries. Sea based aquaculture occupation is one of ...

    • Maintenance strategies for deep sea offshore wind turbines 

      Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2010)
      Purpose – The objective of this paper is to outline a framework that guides the development of sound maintenance strategies and policies for deep‐sea offshore wind turbines. Design/methodology/approach – An important ...

    • Major accidents in Norwegian fish farming 

      Holen, Siri Mariane; Yang, Xue; Utne, Ingrid Bouwer; Haugen, Stein (Journal article; Peer reviewed, 2019)
      The Norwegian fish farming industry is experiencing accidents that may have serious consequences for fish-farm operators, the environment, and the farmed fish themselves. Fatalities and serious personnel injuries, mass ...

    • Methodology for hazard identification in aquaculture operations (MHIAO) 

      Yang, Xue; Utne, Ingrid Bouwer; Holmen, Ingunn Marie (Peer reviewed; Journal article, 2019)
      Norwegian fish farms are expanding into more exposed sites due to a lack of sheltered coastal locations and growing negative ecological consequences close to land. The severe wave and current conditions, irregular and often ...

    • Methods and models for analyzing and controlling the safety in operations of autonomous marine systems 

      Yang, Ruochen (Doctoral theses at NTNU;2023:38, Doctoral thesis, 2023)
      Autonomous marine systems (AMS), such as autonomous underwater vehicles (AUVs), and unmanned surface vehicles (USVs) have evolved over the past decades. Maritime autonomous surface ships (MASS) are gradually being developed ...

    • Next Generation Subsea Inspection, Maintenance and Repair Operations 

      Schjølberg, Ingrid; Gjersvik, Tor Berge Stray; Transeth, Aksel Andreas; Utne, Ingrid Bouwer (Peer reviewed; Journal article, 2016)
      This paper presents the latest developments in the project Next Generation Subsea Inspection, Maintenance and Repair (IMR). Subsea IMR operations are frequently carried out in the offshore oil and gas business. Increased ...

    • Occupational safety in aquaculture – Part 1: Injuries in Norway 

      Holen, Siri Mariane; Utne, Ingrid Bouwer; Holmen, Ingunn Marie; Aasjord, Halvard Laurits (Journal article; Peer reviewed, 2017)
      This article presents an overview of reported injuries in the Norwegian aquaculture industry focusing on the production of Atlantic salmon and trout, which dominates the fish farming industry in Norway. Two different data ...

    • Occupational safety in aquaculture – Part 2: Fatalities in Norway 1982–2015 

      Holen, Siri Mariane; Utne, Ingrid Bouwer; Holmen, Ingunn Marie; Aasjord, Halvard Laurits (Journal article; Peer reviewed, 2017)
      This article presents an overview of reported fatalities in the Norwegian aquaculture industry focusing on the production of Atlantic salmon and trout, which dominate the fish farming industry in Norway. The data on ...

    • OMAE2017-61845 Risk Management in Aquaculture: Integrating Sustainability Perspectives 

      Utne, Ingrid Bouwer; Schjølberg, Ingrid; Holmen, Ingunn Marie; Bar, Eirin Marie Skjøndal (Chapter; Peer reviewed, 2017)
      The aquaculture industry in Norway produced 1.3 million metric tons of fish in 2014, and further expansion is expected if the main sustainability challenges related to production and operation are mitigated. Major biological, ...

    • On Formal Methods for Design and Verification of Maritime Autonomous Surface Ships 

      Torben, Tobias; Smogeli, Øyvind; Utne, Ingrid Bouwer; Sørensen, Asgeir Johan (Journal article, 2022)
      Maritime Autonomous Surface Ships (MASS) are approaching a reality, introducing a new level of complexity and criticality to maritime control systems. In this paper we investigate how Formal Methods (FMs) can be used to ...

    • On the need for online decision support in FPSO-shuttle tanker collision risk reduction 

      Vinnem, Jan Erik; Utne, Ingrid Bouwer; Schjølberg, Ingrid (Journal article; Peer reviewed, 2015)
      More than 100 Floating Production Storage and Off-loading (FPSO) concepts are in operation at the moment worldwide, and due to increasing demand many are currently under construction or being converted from commercial ...

    • Online Consequence Analysis of Situational Awareness for Autonomous Vehicles 

      Fossdal, Markus (Master thesis, 2018)
      The maritime industry is undergoing substantial changes with regards to autonomy, and lately important steps has been done in realizing highly autonomous vessels for industry use. This master s thesis presents a framework ...

    • Online Riks Management for MilliAmpere 2 

      Holden, Eivind Brekke (Master thesis, 2022)
      Denne rapporten gir et grunnleggende rammeverk for Dynamisk Risiko Styring (ORM) for den autonome passasjerfergen, milliAmpere 2. Den autonome passasjerfergen vil operere som en ferge i Trondheim, mellom Ravnkloa og Vestre ...

    • Operational limits for aquaculture operations from a risk and safety perspective 

      Yang, Xue; Ramezani, Ramin; Utne, Ingrid Bouwer; Mosleh, Ali; Lader, Pål Furset (Peer reviewed; Journal article, 2020)
      Current decision making regarding whether to abort a high-risk aquaculture operation in a Norwegian fish farm is mainly experience-driven. The on-site personnel decides whether to start/delay/abort operations primarily ...