• A Comparative Study of Control Structures Applied in Gas Lift Systems to Prevent Casing Heading 

      Hansen, Henrik Hjelseth (Master thesis, 2012)
      Gas lift is an artificial lift technique which is intended to be used in oil and gas production systems to enhance the oil recovery rate. The technique is used in production systems which suffers from insufficient production ...
    • A Modular Software and Hardware Framework with Application to Unmanned Autonomous Systems: Interacting Modules, Error Detection and Hardware Design 

      Skøien, Kristoffer Rist (Master thesis, 2011)
      The Department of Engineering Cybernetics at the Norwegian University of Science andTechnology established the Unmanned Vehicle Laboratory fall 2010. The goal is to havestudents develop a fully functional autonomous aerial ...
    • A Study in MINLP-class Optimization Problems for Simulated Petroleum Production 

      Ausen, Håvard (Master thesis, 2012)
      To aid in faster and better decision making it is interesting to couple advanced simulators with optimization tools.Most simulators however does not offer gradients, therefore derivative-free methods must be used. In this ...
    • A System for the Acquisition and Analysis of Invasive and Non-invasive Measurements used to quantify Cardiovascular Performance 

      Omejer, Ole Øvergaard (Master thesis, 2011)
      Invasive measurements of cardiac functioning allows for more accurate measures of cardiac functioning than non-invasive measurements. However, invasive measurements is often not available in clinical settings. By comparing ...
    • Akselerometerbasert estimering av bevegelser 

      Von Heimburg, Martin (Master thesis, 2011)
      Kommer
    • An Imaging Spectrometer using an Acousto-Optic Tunable Filter 

      Ingvaldsen, Andre Tor Rikard (Master thesis, 2012)
      Spectroscopy is a powerful tool for analysis in a widerange of scientific and industrial fields. Spectroscopic measurements obtaininformation about the interaction between matter and radiated energy.This information may ...
    • Analysis of Drifting for a Remotely Controlled Car 

      Ellefsen, Stian (Master thesis, 2012)
      AbstractBy restricting a vehicle to the linear region of operation, with a small sideslip angle, a vehiclecannot achieve its full potential. By entering the nonlinear region of operation tightercorners can be achieved and ...
    • Analyzing Motions of Unicycles and Car-Like Vehicles 

      Tvetmarken, Stian Aleksander (Master thesis, 2012)
      Two configurations for a unicycle, a class of nonholonomic systems, is looked into. The first configuration is the case where the generalized coordinates consists of four parameters, while the other configurations consists ...
    • Anti-Slug Control with Non-Linear State Estimation 

      Syre, Terese Vardenær (Master thesis, 2012)
      In offshore production, the two-phase mixture of oil and gas is transported from the seabed oil wells to the surface facilities by pipelines and risers. The two-phase flow can have different flow regimes, where severe ...
    • Augmented Reality and Object Tracking for Mobile Devices 

      Gravdal, Eivind (Master thesis, 2012)
      In Augmented Reality, computer generated information can assist the userwith 'invisible' information about real world objects. In this thesis, thepossibilities for Augmented Reality on mobile devices will be investigated,and ...
    • Automatic Inspection of Cage Integrity with Underwater Vehicle 

      Jakobsen, Rolf Arne Hult (Master thesis, 2011)
      This thesis is a preliminary study for the initiative to develop an autonomous AUV foruse in aquaculture. A micro-ROV is used to test the concept of inspecting net integrityin sh cages by analyzing video feed from a video ...
    • Autonomous Bicycle: The First Self Balanced Ride 

      Ånnestad, Dag Christian (Master thesis, 2011)
      The idea of an autonomous bicycle originates from Jens G. Balchen who wanted to make an unmanned autonomous bicycle. The idea was picked up by Amund Skavhaug who extended the idea with the concept of using an inverted ...
    • Autonomous Drifting of a 1:5 Scale Model Car 

      Jakobsen, Jakob Lieng (Master thesis, 2011)
      Current automotive safety systems restrict the vehicle to the linear region of operation where the sideslip angle is small. Recent research in the field has discovered that drifting possesses unstable equilibria in which ...
    • Autopilot Design for Unmanned Aerial Vehicles 

      Johansen, Ingrid Hagen (Master thesis, 2012)
      This thesis will present a design of a guidance and control system to use on aircrafts, primarily on UAVs. One control method for heading control and two for pitch and altitude control will be investigated. The control ...
    • Averaging Level Control of a Separator using Gain Scheduling 

      Halvorsrød, Sverre Oliver (Master thesis, 2007)
      In mature production wells slugging is, or can be, a major challenge when it comes totuning of the first separator control loops. The objectives of the tuning are to minimizethe variation of the outflow, whilst at the same ...
    • Bevegelsesplanlegging og regulering av mobile robotmanipulatorer 

      Myhre, Ulrich Solli (Master thesis, 2011)
      Mobile robot manipulators will be prevalent in addressing many future needs such as contributing to the caring for an aging population, as well as monitoring environmental pollution and removing contamination. However, a ...
    • Bevegelsesplanlegging og regulering av mobile robotmanipulatorer 

      Korneliussen, Audun (Master thesis, 2011)
      Når en mobil robot begir seg ut i et dynamisk miljø for å utføre enoppgave er det mye den må ta hensyn til. Ikke bare må roboten holderede på hvor den er og hvor den skal, den må også sørge for at kinematiske,dynamiske og ...
    • Control of a multifunction Arm Prosthesis Model 

      Bersvendsen, Jørn (Master thesis, 2011)
      In this thesis a working control system for a 7 degrees of freedom hand prosthesis model controlled by electromyographic and accelerometer signals has been developed.The complete system consists of a wireless EMG and ...
    • COTS based Control System for Subsea 

      Tveiten, Eirik (Master thesis, 2007)
      This thesis looks into different topics regarding the use of Commercial off The Shelf (COTS) hardware and software for subsea control systems. COTS basically means every product which is commercially available. The idea ...
    • Decentralized Decision Making in Multi-Agent Systems 

      Pedersen, Sindre Sønvisen (Master thesis, 2011)
      The literature in the feld of multi-agent manufacturing control predom-inantly presents qualitative arguments to motivate its usage. This workpresents quantitative meaning to some of these arguments. The work alsodiscusses ...