Blar i Fakultet for ingeniørvitenskap (IV) på tittel

Viser treff 22464-22483 av 22913

    • Viscous coupled fluids in terms of a log-corrected equation-of-state 

      Brevik, Iver Håkon; Myrzakulov, K.; Timoshkin, A. V.; Zhadyranova, A. (Peer reviewed; Journal article, 2021)
      In this paper, we consider a class of cosmological fluids that possess properties analogous to those of crystalline solids undergoing isotropic deformations. Our research is based on a modified log-corrected power-law ...

    • Viscous flow around a circular cylinder near a plane wall 

      Engelbreth, Knut Inge (Master thesis, 2011)
      Marine pipelines placed at or near the seabed are exposed to currents and waves. In the presence of a sedimentary seabed, the interaction between the surrounding water motions and the pipeline may cause erosion of sediments ...

    • Viscous flow around a simplified model of a Christmas tree 

      Hagen, Haakon Gunnerius Johnsrud (Master thesis, 2016)
      In the petroleum industry, a Christmas tree is a structure consisting of valves and spools that sits atop an oil well. In order to better understand the forces acting on a Christmas tree during and after installation, ...

    • Viscous Flow Around Finite Lenght Circular Cylinder 

      Levold, Pål (Master thesis, 2012)
      Viscous flow around circular cylinders is a classical research topic in fluid dynamics with a vast amount of practical applications in the field of offshore marine technology. In the flow around cylinders of finite length, ...

    • Viscous Flow Around Inclined Circular Cylinder 

      Cai, Zhisong (Master thesis, 2017)
      Circular cylinder is of vital importance in the marine industry. The goal of this thesis is to study the physical phenomenon around the inclined circular cylinder as well as the forces acting on it. The study is mainly ...

    • Viscous regularization for cohesive zone modelling under constant displacement: an application to hydrogen embrittlement simulation 

      Yu, Haiyang; Olsen, Jim Stian; Olden, Vigdis; Alvaro, Antonio; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2016)
      The convergence problem during the cohesive zone modelling of hydrogen embrittlement in constant displacement scenario is attributed to the numerical instability which is studied analytically in the present work. The ...

    • Visible-Light-Driven Photochromism of Hexagonal Sodium Tungsten Bronze Nanorods 

      Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2013)
      Single-crystalline sodium tungsten bronze (Na-WO3) nanorods with typical diameters of 10–200 nm and lengths of several micrometers were prepared via hydrothermal synthesis. The as-prepared Na-WO3 nanorods crystallized in ...

    • Vision Based Localization for Subsea Intervention 

      Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge (Chapter; Peer reviewed, 2017)
      A vision based underwater localization system using fiducial markers is proposed. The system is implemented as a new control mode in a shared control system for ROVs and tested experimentally in a pool. A high accuracy ...

    • Vision Based Robotic Control 

      Solberg, Eirik Anfindsen (Master thesis, 2014)
      The main objective of this project was to create a visual system for object tracking, and implement this on the new robotic lab at the Department of Production and Quality Engineering.There are used two identical KUKA ...

    • «Vision in Product design» as a method for universal design: «Vision in Product design» som metode for universell utforming 

      Wright, Philip Solvang (Master thesis, 2014)
      The intention of this thesis is to identify and address the methodological challenges with Universal Design. Since Universal Design can be understood as both a design approach and a design philosophy, challenges in both ...

    • Vision system for quality assessment of robotic cleaning of fish processing plants using CNN 

      Bjørlykhaug, Emil Dale; Egeland, Olav (Journal article; Peer reviewed, 2019)
      A vision system has been developed for automatic quality assessment of robotic cleaning of fish processing lines. The quality assessment is done by detecting residual fish blood on cleaned surfaces. The system is based on ...

    • Vision-Aided Inertial Navigation for Underwater Vehicles Using ArUco Markers 

      Stavnes, Roar (Master thesis, 2021)
      Skiftet fra tradisjonell olje- og gassproduksjon mot produksjonsenheter på havbunnen har skapt et økt behov for undervannsoperasjoner. Dette har motivert bruken av autonomi for å effektivisere operasjoner og redusere ...

    • Vision-based control of a knuckle boom crane with online cable length estimation 

      Tysse, Geir Ole; Cibicik, Andrej; Egeland, Olav (Peer reviewed; Journal article, 2020)
      A vision-based controller for a knuckle boom crane is presented. The controller is used to control the motion of the crane tip, and at the same time, compensate for payload oscillations. The oscillations of the payload are ...

    • Vision-Based Control of a Robot Interacting with Moving and Flexible Objects 

      Myhre, Torstein Anderssen (Doctoral thesis at NTNU;2016:101, Doctoral thesis, 2016)
      Industrial tasks that involves manipulation of moving or flexible objects are often performed with manual labour, while the use of industrial robots have mostly been limited to manipulation of static objects and objects ...

    • Vision-based positioning of Unmanned Surface Vehicles using Fiducial Markers for automatic docking 

      Digerud, Lars; Volden, Øystein; Christensen, Kim Alexander; Kohtala, Sampsa; Steinert, Martin (Peer reviewed; Journal article, 2022)
      This paper describes a method of using fiducial markers to aid Unmanned Surface Vehicles (USVs) as an additional positioning source during auto-docking. Vision-based techniques allow USVs to localize themselves relative ...

    • Viskoelastisk karakterisering av fiberarmert epoksy 

      Pettersen, Vegard Gjestrumbakken; Stadeløkken, Adrian (Bachelor thesis, 2022)
      Nammo hadde et ønske om å kartlegge materialegenskaper for ulike viklede fiberarmerte epoksyer, og blant egenskapene var de viskoelastiske egenskapene særlig interessante. Formålet med oppgaven var å kartlegge de viskoelastiske ...

    • Visual Aided Deep Learning Applications for Underwater Operations 

      Skaldebø, Martin (Master thesis, 2019)
      Den 4. industrielle revolusjonen har pågått de siste fire årene og resultater har begynt å vise seg i industrimarkedet. Google slipper stadig ny teknologi som kan slå mennesker i et mangfold av strategispill og de har ...

    • Visual Attention Assessment for Expert-in-the-loop Training in a Maritime Operation Simulator 

      Li, Guoyuan; Mao, Runze; Hildre, Hans Petter; Zhang, Houxiang (Journal article; Peer reviewed, 2019)
      Improving the training programs for maritime operations is beneficial to enhance maritime safety in practice. In this paper, we propose a novel approach to the assessment of visual attention in a maritime operation so as ...

    • Visual Close-range Navigation and Docking of Underwater Vehicles Using ArUco Markers 

      Rannestad, Thomas Lunden (Master thesis, 2022)
      Det er økende interesse fra forskningsmiljøer rundt undervannsrobotikk i permanent boende autonome hjelpesystemer for undervannsroboter. Disse systemene vil drastisk senke CO2-fotatrykket og kostnadene til undervannsoperasjoner, ...

    • Visual Estimation of Motion for ROVs - Increasing Accuracy for ROV Navigation 

      Agdestein, Einar Nonås (Master thesis, 2018)
      This project thesis presents how a remotely-operated vehicle (ROV) can increase its situational awareness and positioning accuracy based on visual inputs from a stereo camera and vision-based ego-motion estimation. This ...