Browsing Publikasjoner fra CRIStin - NTNU by Title

Now showing items 17954-17973 of 37325

    • Integral Line-of-Sight for path following of underwater snake robots 

      Kelasidi, Eleni; Pettersen, Kristin Ytterstad; Liljebäck, Pål; Gravdahl, Jan Tommy (Journal article, 2014)
      This paper considers straight line path following control of underwater snake robots in the presence of constant irrotational currents. An integral line-of-sight (LOS) guidance law is proposed, which is combined with a ...

    • Integral Line-of-Sight Guidance and Control of Underactuated Marine Vehicles: Theory, Simulations and Experiments 

      Caharija, Walter; Pettersen, Kristin Ytterstad; Bibuli, Marco; Calado, Pável; Zereik, Enrica; Braga, Jose; Gravdahl, Jan Tommy; Sørensen, Asgeir Johan; Milovanovic, Milan; Bruzzone, Gabriele (Journal article; Peer reviewed, 2016)
      This paper presents an extensive analysis of the integral line-of-sight (ILOS) guidance method for path-following tasks of underactuated marine vehicles, operating on and below the sea surface. It is shown that due to the ...

    • Integral Line-of-Sight Guidance for Path Following Control of Underwater Snake Robots: Theory and Experiments 

      Kelasidi, Eleni; Liljebäck, Pål; Pettersen, Kristin Ytterstad; Gravdahl, Jan Tommy (Journal article; Peer reviewed, 2017)
      This paper proposes and experimentally validates a straight line path following controller for underwater snake robots in the presence of constant irrotational currents of unknown direction and magnitude. An integral ...

    • Integral Line-of-Sight Guidance of Underwater Vehicles Without Neutral Buoyancy 

      Caharija, Walter; Syre Wiig, Martin; Krogstad, Thomas Røbekk; Pettersen, Kristin Ytterstad (Journal article; Peer reviewed, 2016)
      This paper analyzes an integral line-of-sight guidance law applied to an underac-tuated underwater vehicle. The vehicle is rigorously modeled in 5 degrees of freedom usingphysical principles, and it is ...

    • An integral model based on slender body theory, with applications to curved rigid fibers 

      Andersson, Helge Ingolf; Celledoni, Elena; Ohm, Laurel; Owren, Brynjulf; Tapley, Benjamin (Peer reviewed; Journal article, 2021)
      We propose a novel integral model describing the motion of both flexible and rigid slender fibers in viscous flow and develop a numerical method for simulating dynamics of curved rigid fibers. The model is derived from ...

    • Integrasjon av helsetjenester : åtte teser om samhandling i en funksjonelt differensiert helsetjeneste 

      Vik, Erlend; Hjelseth, Arve (Journal article; Peer reviewed, 2022)
      Å styrke samhandling i helsetjenesten er et sentralt politisk og faglig mål. Politiske målsettinger er gjerne ogsåutgangspunktet for studier og analyser av samhandling på bekostning av mer teoretisk funderte perspektiver. ...

    • Integrate ecosystem services into socio-economic development to enhance achievement of sustainable development goals in the post-pandemic era 

      Yin, Caichun; Zhao, Wenwu; Cherubini, Francesco; Pereira, Paulo (Peer reviewed; Journal article, 2021)
      The COVID-19 pandemic has stalled and rolled back progress on Sustainable Development Goals (SDGs). Ecosystem services (ESs), defined as the contributions of ecosystems to human well-being, underpin the achievement of SDGs. ...

    • An integrated analysis of carbon capture and storage strategies for power and industry in Europe 

      Turgut, Ozgu; Bjerketvedt, Vegard Skonseng; Tomasgard, Asgeir; Roussanaly, Simon (Peer reviewed; Journal article, 2021)
      Industry is responsible for one-quarter of the global CO2 emissions. In this study, four different climate pathways are analyzed with a cost minimizing multihorizon stochastic optimization model, in order to analyze possible ...

    • Integrated and decentralized protection and development of mountain landscapes 

      Skjeggedal, Terje; Clemetsen, Morten (Journal article; Peer reviewed, 2017)
      This article discusses how new trends for decentralised and integrated protection and local development of mountain landscapes have appeared in recent management practice, and how decentralised protection and management ...

    • An integrated approach for monitoring structural deformation of aquaculture net cages 

      Su, Biao; Kelasidi, Eleni; Frank, Kevin; Haugen, Joakim; Føre, Martin; Pedersen, Magnus Oshaug (Peer reviewed; Journal article, 2021)
      The majority of present marine finfish production is conducted in flexible net cages which can deform when they are subjected to water movements generated by currents. The ability to monitor net deformation is important ...

    • An Integrated Approach to Modelling Fish Cage Response in the Flow 

      Gao, Sihan; Gansel, Lars Christian; Li, Guoyuan; Zhang, Houxiang (Peer reviewed; Journal article, 2021)
      Noticeable progress has been made in recent years regarding sensor-based monitoring and model-based simulation of sea cage response. The discrepancy between measured data and simulation results can cause confusion about ...

    • Integrated care in Norway: the state of affairs years after regulation by law 

      Bjerkan, Jorunn; Richter, Marie; Grimsmo, Anders; Hellesø, Ragnhild; Brender, Jytte (Journal article; Peer reviewed, 2011)
      Introduction A mandatory multidisciplinary plan for individual care, the ‘Individual care Plan’, was introduced by law in Norway in 2001. The regulation was established to meet the need for improved efficiency and quality ...

    • Integrated care services: lessons learned from the deployment of the NEXES project 

      Hernández, Carme; Alonso, Albert; Garcia-Aymerich, Judith; Grimsmo, Anders; Vontetsianos, Theodore; Cuyàs, Francesc Garcia; Altes, Anna Garcia; Vogiatzis, Ioannis; Garåsen, Helge; Pellise, Laura; Wienhofen, Leendert Wilhelmus Marinus; Cano, Isaac; Meya, Montserrat; Moharra, Montserrat; Martinez, Joan Ignasi; Escarrabill, Juan; Roca, Josep (Journal article; Peer reviewed, 2015)
      Objectives: To identify barriers to deployment of four articulated Integrated Care Services supported by Information Technologies in three European sites. The four services covered the entire spectrum of severity of illness. ...

    • Integrated cathodic protection (CP) sensor network development of the CP sensor 

      Wold, Kristian; Johnsen, Roy; Iannuzzi, Mariano; Årtun, Lars (Journal article; Peer reviewed, 2018)
      This paper describes a new CP monitoring approach to quantify the health of the CP system in real-time with spatial resolution. Spatial resolution is achieved by an integrated sensor network distributed across a Subsea ...

    • Integrated CO2 refrigeration and heat pump systems for dairies 

      Selvnes, Håkon; Jenssen, Sigmund; Sevault, Alexis; Widell, Kristina Norne; Ahrens, Marcel Ulrich; Ren, Shuai; Hafner, Armin (Chapter, 2022)
      Production facilities in the food industry are large consumers of electricity and thermal energy due to energyintensive processes such as steam production, cleaning, sanitising, refrigeration and drying. Furthermore, there ...

    • Integrated CO2 solutions for supermarkets 

      Hafner, Armin; Nekså, Petter (Journal article; Peer reviewed, 2018)
      Supermarkets represent a refrigeration application area which is spearheading towards the total phase in of natural working fluids. Exposed to demanding customers where reputation is an important part of the business, focus ...

    • Integrated CO2 system with HVAC and hot water for hotels: Field measurements and performance evaluation 

      Smitt, Silje Marie; Hafner, Armin; Tolstorebrov, Ignat (Journal article; Peer reviewed, 2020)
      This study investigates the performance of an integrated CO2 (R744) heat pump and chiller unit in a Norwegian hotel. The system consists of a single unit for heating, cooling and hot water with an integrated thermal storage. ...

    • Integrated design and operational optimization of energy systems in dairies 

      Foslie, Sverre Stefanussen; Knudsen, Brage Rugstad; Korpås, Magnus (Journal article; Peer reviewed, 2023)
      Around 70% of worldwide industrial energy use is today based on fossil energy. Electrification of low temperature heat in this sector is pointed out as a key measure to reduce emissions. A large amount of the low temperature ...

    • Integrated design optimization of spar floating wind turbines 

      Hegseth, John Marius; Bachynski, Erin Elizabeth; Martins, Joaquim R. R. A. (Peer reviewed; Journal article, 2020)
      A linearized aero-hydro-servo-elastic floating wind turbine model is presented and used to perform integrated design optimization of the platform, tower, mooring system, and blade-pitch controller for a 10 MW spar floating ...

    • Integrated dynamic analysis of a spar floating wind turbine with a hydraulic drivetrain 

      Jiang, Zhiyu; Yang, Limin; Gao, Zhen; Moan, Torgeir (Peer reviewed; Journal article, 2022)
      Conventional drivetrains with gearbox failures are associated with major downtime in offshore wind turbines. This impacts the maintenance cost and cost of energy. A hydraulic transmission eliminates the need for gearbox ...