Now showing items 2115-2134 of 3690

    • Modeling and Control of Parametric Roll Resonance 

      Holden, Christian (Doctoral Theses at NTNU, 1503-8181; 2011:174, Doctoral thesis, 2011)
      Parametric roll resonance is a dangerous resonance phenomenon affecting several types of ships, such as destroyers, RO-RO paxes, cruise ships, fishing vessels and especially container ships. Worst case, parametric roll is ...
    • Modeling and Control of Temperature in a Compartment Jet Fire 

      Sandvik, Hedda Moe (Master thesis, 2017)
      Jet fires pose serious safety hazards in situations where pressurised gas tanks are stored close together. A jet fire originating from one tank will likely damage another and lead to additional fires and even explosions. ...
    • Modeling and Control of the Czochralski Crystal Growth Process 

      Bukhari, Halima Zahra (Doctoral theses at NTNU;2021:269, Doctoral thesis, 2021)
      This thesis provides the basis for improved control of the Czochralski (Cz) process – a process used on a commercial scale to produce monocrystalline silicon (Si) ingots. This is done by developing a model for the crystal ...
    • Modeling and Control of Towed Seismic Cables 

      Türkyilmaz, Yilmaz (Doktoravhandlinger ved NTNU, 1503-8181; 2004:23, Doctoral thesis, 2004)
      This doctoral thesis presents new results on modeling and control of towed seismic cables. Nonlinear distributed-parameter mathematical models of the towed cables for large and small deflections are proposed. The equivalent ...
    • Modeling and control of underwater snake robots for operations in dynamically changing environments 

      Gjerden, Marie Skogstrand (Master thesis, 2023)
      In this thesis, a complex three-dimensional (3D) model of underwater snake robots (USR) in closed form has been investigated and implemented. The 3D model includes hydrodynamic effects such as linear and nonlinear drag ...
    • Modeling and Control of VTOL Flying Wing with Thrust Vectoring 

      Furseth, Jostein (Master thesis, 2015)
      A simulator for the complete vehicle dynamics, as well as a flight control system, have been implemented in MATLAB/Simulink. The simulator enables easier development and testing of the control system, and provides valuable ...
    • Modeling and Control of Wave Energy Converters 

      Hoen, Marthe Kristine Tautra (Master thesis, 2009)
      Wave Power is a technology that was founded in the 70's, but which still not has reached full industrial recognition as a energy source. In this thesis there is a literature study on different concepts of Wave Energy ...
    • Modeling and Data Compatibility Analysis of Laser Guided Missile 

      Hafslund, Stian (Master thesis, 2011)
      A model of the missile s aerodynamic has been developed by Kongsberg DefenseSystems (KDS) based on information from CFD analysis and wind tunnel tests. It isdesirable to supplement the existing model by using data from ...
    • Modeling and Dynamic Optimization in Oil Production 

      Nalum, Konstantin (Master thesis, 2013)
      The concept of Real-Time Production Optimization is a key for improving operational performance and productivity in the process industry. This includes utilization of computational technology, combining real-time measurements ...
    • Modeling and Economic Optimization of an Upstream Oil & Gas Processing Plant 

      Bruvik, Katrine (Master thesis, 2017)
      This thesis considers the application of a plantwide economic optimization methodology for an upstream oil and gas processing plant. A dynamic model consisting of typical components from an upstream oil/gas plant is developed ...
    • Modeling and Model Predictive Control of a Conveyor-Belt Dryer: Applied to the Drying of Fish Feed 

      Johansen van Delft, Tord (Master thesis, 2010)
      Moisture control of industrial processes is often difficult and complex. The product composition and moisture content changes as disturbances affect the upstream production processes. When there are changes in the product ...
    • Modeling and Non-linear Control of Gel Breaking in Drilling Operations 

      Swensen, Ingrid (Master thesis, 2014)
      As the petrolium operators are drilling deeper and more complicated well paths, extreme downhole presure variations during drilling operations may cause damage to equipment. This may in addition result in production ...
    • Modeling and Optimizing the Offshore Production of Oil and Gas under Uncertainty 

      Elgsæter, Steinar M. (Doktoravhandlinger ved NTNU, 1503-8181; 2008:267, Doctoral thesis, 2008)
      The topic of this thesis is optimizing the offshore production of oil and gas on a day-to-day basis. Optimization is based on a model of the production. Designing such production models is very complex and challenging, and ...
    • Modeling and Path-following for a snake robot with active wheels 

      Murugendran, Boathymathava; Transeth, Aksel Andreas; Fjerdingen, Sigurd Aksnes (Chapter; Peer reviewed, 2009)
      Snake robots with active wheels provide interesting opportunities within many areas such as inspection and maintenance and search and rescue operations. The highly-articulated body of a snake robot combined with the ...
    • Modeling and Propulsion Methods of Underwater Snake Robots 

      Kelasidi, Eleni; Pettersen, Kristin Ytterstad; Gravdahl, Jan Tommy; Strømsøyen, Simen; Sørensen, Asgeir Johan (Chapter, 2017)
      In this paper we consider underwater snake robots (USRs) that may be equipped with additional added effectors along their body, including caudal, dorsal and pectoral fins, tunnel thrusters and/or a stern propeller. We ...
    • Modeling and Simulation for Control of Lean-Burn Gas Engines 

      Sirum, Jørgen (Master thesis, 2009)
    • Modeling and Simulation for Control of Lean-Burn Gas Engines 

      Sirum, Jørgen (Master thesis, 2009)
      In this thesis a lean-burn gas engine, produced by Rolls-Royce is studied. The goal is to make an improved simulation model in Simulink for the Bergen B-gas engine by including turbocharger dynamics. And also test and ...
    • Modeling and Simulation of an Active Hydraulic Heave Compensation System for Offshore Cranes 

      Sverdrup-Thygeson, Jørgen (Master thesis, 2007)
      This thesis deals with the mathematical modeling of hydraulic heave compensation systems. When performing operations such as launch and recovery of remote operated vehicles and lowering subsea installation parts to the sea ...
    • Modeling and Simulation of Anchor Handling Vessels 

      Wennersberg, Lars Andreas Lien (Master thesis, 2009)
      The topic of this thesis is modeling and simulation of anchor handling vessels. Computer simulations of anchor handling vessels can be used to evaluate the forces acting on them, and to gain valuable insight into their ...
    • Modeling and Simulation of Anti-slug Control in Hydro Experimental Multiphase Flow Loop 

      Hauge, Einar (Master thesis, 2007)
      Handling slug flow is a matter of necessity in the oil and gas industry. Large slugs cause problems at the production platform by overfilling the first stage separator leading to poor separation and pressure increase, which ...