Now showing items 11-30 of 114

    • Acceleration Feedback in Dynamic Positioning 

      Lindegaard, Karl-Petter (Dr. ingeniøravhandling, 0809-103X; 2003:74, Doctoral thesis, 2003)
      This dissertation contains new results on the design of dynamic positioning (DP) systems for marine surface vessels. A positioned ship is continuously exposed to environmental disturbances, and the objective of the DP ...
    • Achieving dependability in software-defined networking - a perspective 

      Helvik, Bjarne Emil; Heegaard, Poul Einar; Mendiratta, Veena (Chapter; Conference object; Peer reviewed, 2015)
      In this paper we take a closer look at the operationof software defined networking (SDN) in intra-domain networks.The focus is on the dependability issues related to interworking ofSDN controllers, network OS (NOS), and ...
    • Active surge control of centrifugal compression systems: Theoretical and experimental results of drive actuation 

      Bøhagen, Bjørnar (Doktoravhandlinger ved NTNU, 1503-8181; 2007:126, Doctoral thesis, 2007)
      This thesis addresses modeling and active surge control of a simple compression system, using only the drive system of the compressor for actuation. Theoretical results are validated by experiments on a test rig that was ...
    • An Approach to Developing Extensible Application Composition Environments for End Users 

      Stav, Erlend (Doctoral Theses at NTNU, 1503-8181; 2006:58, Doctoral thesis, 2006)
      Most software is now developed by professional programmers, and the millions of users of “shrink-wrapped” applications never meet the developers. The skills of professional programmers are obviously required in many software ...
    • An experimental study of Hydrodynamic Forces on Cylinders and Cables in Near Axial Flow 

      Ersdal, Svein (Doktoravhandlinger ved NTNU, 1503-8181; 2004:125, Doctoral thesis, 2004)
      The thesis addresses the hydrodynamic forces on cylinders where the angle between incoming flow and the cylinder axis, the angle of attack, is low. Measured results for a rigid cylinder with length to diameter ratio of ...
    • Analysis and optimization of pilot-aided adaptive coded modulation under noisy channel state information and antenna diversity 

      Duong, Duc Van (Doktoravhandlinger ved NTNU, 1503-8181; 2006:157, Doctoral thesis, 2006)
      The thesis is largely built on a collection of published and submitted papers where the main focus is to analyze and optimize single-carrier adaptive coded modulation systems with and without antenna diversity. Multidimensional ...
    • Augmenting Bioinformatics Research with Biomedical Ontologies 

      Kusnierczyk, Waclaw (Doktoravhandlinger ved NTNU, 1503-8181; 2008:78, Doctoral thesis, 2008)
      The main objective of the reported study was to investigate how biomedical ontologies, logically structured representations of various aspects of the biomedical reality, can help researchers in analyzing experimental data. ...
    • CAGISTrans: Adaptable Transactional Support for Cooperative Work 

      Ramampiaro, Herindrasana (Dr. ingeniøravhandling, 0809-103X; 2001:94, Doctoral thesis, 2001)
      The theme of this thesis is on transactional support for cooperative work environments, focusing on data sharing. It is thus concerned with the provision of suitable mechanisms to manage concurrent access to shared data ...
    • Cantor minimal systems and AF-equivalence relations 

      Dahl, Heidi (Doktoravhandlinger ved NTNU, 1503-8181; 2008:54, Doctoral thesis, 2008)
    • Charge accumulation in rod-plane air gap with covered rod 

      Mauseth, Frank (Doktoravhandlinger ved NTNU, 1503-8181; 2006:239, Doctoral thesis, 2007)
      The focus of this work has been on hybrid insulation in inhomogeneous electric fields under lightning impulse voltage stress. The principal idea behind hybrid insulation is the intentional use of surface charges to ...
    • Comparing apples and oranges: assessment of the relative video quality in the presence of different types of distortions 

      Reiter, Ulrich; Korhonen, Jari; Junyong, You (Journal article; Peer reviewed, 2011)
      Video quality assessment is essential for the performance analysis of visual communication applications. Objective metrics can be used for estimating the relative quality differences, but they typically give reliable results ...
    • Coordinated Control of Marine Craft 

      Ihle, Ivar-Andre Flakstad (Doctoral Theses at NTNU, 1503-8181; 2006:164, Doctoral thesis, 2006)
      This thesis contains new results on the problem of coordinating a group of vehicles. The main motivation driving this work is the development of control laws that steer individual members of a formation, such that desired ...
    • Decision Aid for Planning Local Energy Systems: Application of Multi-Criteria Decision Analysis 

      Catrinu, Maria (Doctoral Theses at NTNU, 1503-8181; 2006:62, Doctoral thesis, 2006)
      Planning is what sustains an energy system. It is a process of analysis and ongoing decision making about what resources and energy technologies to use when supplying energy to society. This research focuses on integrated ...
    • Design of Low-Power Reduction-Trees in Parallel Multipliers 

      Oskuii, Saeeid Tahmasbi (Doctoral Theses at NTNU, 1503-8181; 2008:61, Doctoral thesis, 2008)
      Multiplications occur frequently in digital signal processing systems, communication systems, and other application specific integrated circuits. Multipliers, being relatively complex units, are deciding factors to the ...
    • Diagnostic applications of diffuse reflectance spectroscopy 

      Randeberg, Lise Lyngsnes (Doktoravhandlinger ved NTNU, 1503-8181; 2005:100, Doctoral thesis, 2005)
      This thesis covers a wide field of applications, with an emphasis on applications of reflectance spectroscopy for diagnostic purposes. Reflectance spectroscopy in the visible part of the spectrum has been proved to be a ...
    • Discernibility and Rough Sets in Medicine: Tools and Applications 

      Øhrn, Aleksander (Dr. ingeniøravhandling, 0809-103X; 1999:133, Doctoral thesis, 2000)
      This thesis examines how discernibility-based methods can be equipped to posses several qualities that are needed for analyzing tabular medical data, and how these models can be evaluated according to current standard ...
    • Distributed Energy Systems with Wind Power and Energy Storage 

      Korpås, Magnus (Doktoravhandlinger ved NTNU, 1503-8181; 2004:39, Doctoral thesis, 2004)
      The topic of this thesis is the study of energy storage systems operating with wind power plants. The motivation for applying energy storage in this context is that wind power generation is intermittent and generally ...
    • Distributed Generation - Power Electronic Converters, Communication and Control 

      Hoff, Erik Stjernholm (Doktoravhandlinger ved NTNU, 1503-8181; 2007:89, Doctoral thesis, 2007)
      This thesis tries to explain the changes in the control of power electronic converters that are possible by the use of communication. Many of the renewable energy sources such as photovoltaic panels are geographically ...
    • Domain Model-Centric Distributed Development: An approach to semantics-based change impact management 

      Strasunskas, Darijus (Doctoral Theses at NTNU, 1503-8181; 2006:12, Doctoral thesis, 2006)
      Today’s information systems engineering involves large number of stakeholders, wide geographical distribution and wide range of tools. Success in system engi-neering depends on effective human communication. Early understanding ...
    • Dynamical systems of interacting units: Information transport and higher order structures 

      Helvik, Torbjørn (Doktoravhandlinger ved NTNU, 1503-8181; 2006:1, Doctoral thesis, 2006)
      How can one model, characterize and analyse systems consisting of a large number of interacting units? This thesis addresses various related aspects of this issue using dynamical systems theory. The thesis is constituted ...