• Inflight Estimation of Airflow Variables, Wind Velocities and Aerodynamic Coefficients for Unmanned Aerial Vehicles 

      Wenz, Andreas Wolfgang (Doctoral theses at NTNU;2018:349, Doctoral thesis, 2018)
      This thesis focuses on the estimation of wind velocities, angle of attack and aerodynamic coefficients for small unmanned aerial vehicles (UAVs) and in addition, the use of these estimates for two different applications. ...
    • Influence of Viscosity and Non-Linearities in Predicting Motions of a Wind Energy Offshore Platform in Regular Waves 

      Ferrandis, José del Águila; Bonfiglio, Luca; Rodríguez, Ricardo Zamora; Chryssostomidis, Chryssostomos; Faltinsen, Odd Magnus; Triantafyllou, Michael (Peer reviewed; Journal article, 2018)
      Motion prediction of floating bodies in waves represents one of the most challenging problems in naval hydrodynamics. The solution of the seakeeping problem involves the study of complex non-linear wave-body interactions ...
    • Influence of Weight-on-Bit on Percussive Drilling Performance 

      Song, Xianfeng; Aamo, Ole Morten; Kane, Pascal-Alexandre; Detournay, Emmanuel (Peer reviewed; Journal article, 2020)
      A phenomenological model for percussive drilling systems is proposed in this paper to explain the experimentally demonstrated existence of an optimal weight-on-bit (WOB), for which the rate of penetration (ROP) is maximized. ...
    • Information-driven robotic sampling in the coastal ocean 

      Fossum, Trygve Olav; Eidsvik, Jo; Ellingsen, Ingrid H.; Alver, Morten; Fragoso, Glaucia Moreira; Johnsen, Geir; mendes, renato; Ludvigsen, Martin; Rajan, Kanna (Journal article; Peer reviewed, 2018)
      Efficient sampling of coastal ocean processes, especially mechanisms such as upwelling and internal waves and their influence on primary production, is critical for understanding our changing oceans. Coupling robotic ...
    • Infrared Object Detection & Tracking in UAVs 

      Leira, Frederik Stendahl (Master thesis, 2013)
      The present thesis describes the design and implementation of a small, light weight and power efficient payload system for the use in unmanned aerial vehicles (UAVs). The primary application of the payload system is that ...
    • Infrastructure for Collecting and Analysing near Real-Time Data from Several Water Meters Using Wireless M-Bus 

      Skjæveland, Christofer Gilje (Master thesis, 2021)
      Bruken av smarte vannmålere blir mer populært, og flere norske kommuner, inkludert Trondheim, ønker at det tas i bruk for alle husstander. Wireless Meter-Bus (wM-Bus) har vist seg å være en populær standard i denne prosessen ...
    • Inhibits and Overrides: Applications Seen in a Safety Perspective 

      Johansen, Anders Freddy (Master thesis, 2011)
      The main purpose of this thesis has been to identify the general usage of the applications textit{inhibit} and textit{override} for a collection of installations operated by Statoil ASA. The applications are provided by a ...
    • Innovation in Underwater Robots: Biologically Inspired Swimming Snake Robots 

      Kelasidi, Eleni; Liljebäck, Pål; Pettersen, Kristin Ytterstad; Gravdahl, Jan Tommy (Journal article; Peer reviewed, 2016)
      Increasing efficiency by improving locomotion methods is a key issue for underwater robots. Moreover, a number of different control design challenges must be solved to realize operational swimming robots for underwater ...
    • Instance Segmentation and Pose Estimation of Assembly Parts Using Deep Learning and Synthetic Data Generation 

      Opheim, Torbjørn; Lecerof, Jonas (Master thesis, 2019)
      Ved å bestemme nøyaktig translasjon og rotasjon av objekter, kan mer sofistikerte hjelpesystemer og roboter utmerke seg i en rekke scenarier og næringer. På fabrikkene i Volvo, foregår det kontinuerlig forskning som ser ...
    • Instantaneous frequency tracking of harmonic distortions for grid impedance identification based on Kalman filtering 

      Broen, Anders Kjeka; Amin, Mohammad; Skjong, Espen; Molinas Cabrera, Maria Marta (Chapter, 2016)
      This paper presents a non-invasive approach for real-time grid impedance identification based on the principle of instantaneous frequency tracking of voltage and current harmonics already present in the system, by the use ...
    • Instrumentation, actuation and software development of Bipedal Robot. 

      Panengstuen, Lars-Erik Nes; Merkesvik, Edvard Brekke; Olsen, Stian Johan; Pedersen, Kristoffer Meggelæ (Bachelor thesis, 2021)
      Tobeinte roboter kan bevege seg i røffere terreng hvor andre roboter ikke kommer til. Disse robotene er ofte avhengige av veldig kompliserte matematiske funksjoner. Det endelige målet med dette prosjektet er å lage en robot ...
    • Instrumentering av autonomt ubemannet fly: CyberSwan 

      Bjørntvedt, Edgar (Master thesis, 2007)
      Målet med CyberSwan er å lage en generell plattform for et autonomt ubemannet fly. Gjennom arbeidet som er beskrevet i denne rapporten er det kommet frem til et egnet instrumenteringsplattform for CyberSwan. Med ...
    • Instrumentering og styring av produksjonsprosess for plankton 

      Gjersdal, Jan (Master thesis, 2011)
      I denne oppgaven er det presentert instrumentering og reguleringssystem av produksjonsprosess for plankton. Systemet er utviklet og implementering med to tanker for produksjon av planktonet rotatorier. PC brukes som ...
    • Instrumenterings- og beslutningsstøttesystem for skjellproduksjon 

      Hagtun, Tore Norheim (Master thesis, 2013)
      For å optimalisere produksjon og høsting av skjell, er produsenten avhengig av effektivog presis estimering av vekst og biomasse i anlegget. Grunnlaget for dette er regulærprøvetaking av individene i anlegget, men i dag ...
    • Integral Line-of-Sight for path following of underwater snake robots 

      Kelasidi, Eleni; Pettersen, Kristin Ytterstad; Liljebäck, Pål; Gravdahl, Jan Tommy (Conference object; Journal article; Peer reviewed, 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 

      Caharija, Walter (Doktoravhandlinger ved NTNU, 1503-8181; 2014:316, Doctoral thesis, 2014)
      This dissertation presents an extensive analysis of the integral line-of-sight (ILOS) guidance method for path following tasks of underactuated marine vessels and vehicles, operating on and below the sea surface. It is ...
    • 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 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 ...