• Wheel Slip Control in ABS Brakes using Gain Scheduled Optimal Control with Constraints 

      Petersen, Idar (Dr. ingeniøravhandling, 0809-103X; 2003:43, Doctoral thesis, 2003)
      In a conventional antilock brake system (ABS), the wheel slip will oscillate around a "critical slip" within some given thresholds. This oscillation will have as side effects a noticeable vibration for the driver and ...
    • When is gray-box modeling advantageous for virtual flow metering? 

      Hotvedt, Mathilde; Grimstad, Bjarne André; Ljungquist, Dag; Imsland, Lars Struen (Peer reviewed; Journal article, 2022)
      Integration of physics and machine learning in virtual flow metering applications is known as gray-box modeling. The combination is believed to enhance multiphase flow rate predictions. However, the superiority of gray-box ...
    • Whole-Body Motion Planning and Collision Avoidance for AIAUV 

      Husebø, Peter Hatlebrekke (Master thesis, 2022)
      Leddede, autonome undervannsroboter (AIAUVer) baner vei for økt optimalisering av varierte marine operasjoner og er spesielt egnet for operasjoner i områder med begrenset fremkommelighet. For å løse ulike operasjoner på ...
    • Why intraperitoneal glucose sensing is sometimes surprisingly rapid and sometimes slow: A hypothesis 

      Åm, Marte Kierulf; Fougner, Anders Lyngvi; Ellingsen, Reinold; Hjelme, Dag Roar; Bösch, Patrick Christian; Stavdahl, Øyvind; Carlsen, Sven Magnus; Christiansen, Sverre (Journal article; Peer reviewed, 2019)
      The artificial pancreas requires fast and reliable glucose measurements. The peritoneal space has shown promising results, and in one of our studies we detected glucose changes in the peritoneal space already at the same ...
    • Wi-Fi based Telecommunication Infrastructure Delivered as a Service by UAV for Emergency Response 

      Zolich, Artur Piotr; Fonseca Palma, David; Birkeland, Roger; Cisek, Krzysztof Piotr; Johansen, Tor Arne (Chapter, 2022)
      In this paper we discuss Wi-Fi and complementary technologies that can be used to mitigate telecommunication gaps in search and rescue (SAR) activities and during natural disaster (ND) response scenarios. We present and ...
    • Wienerization Based Control of Nonlinear Systems 

      Bjørkøy, Håvard; Engmark, Hans A.; Rasheed, Adil; Varagnolo, Damiano (Chapter, 2022)
      We present a novel model approximation scheme, named “wienerization”, of nonlinear time invariant systems that uses the systems' nonlinear equilibria maps as the static nonlinearities of Wiener models. We show conditions ...
    • Wienerization of systems in nonlinear control canonical normal form 

      Engmark, Hans Alvar; Bjørkøy, Håvard Bjørgan; Rasheed, Adil; Varagnolo, Damiano (Chapter, 2022)
      We extend the concept of model approximation via wienerization to systems in nonlinear control canonical normal form. We elaborate on the conditions for, and implications of, analytically separating nonlinear input affine ...
    • WiMAX in Coastal Traffic and Performance Prediction in a Geographically Challenging Environment 

      Formanek, Jan Gerhardsen (Master thesis, 2009)
      This thesis takes upon itself to describe the medium of the radio channel for a WiMAX installation in a difficult environment. Furthermore it investigates the possibility of modifying the WiMAX standard in order to increase ...
    • Wind Estimation with Multirotor UAVs 

      Meier, Kilian; Hann, Richard; Skaloud, Jan; Garreau, Arthur (Peer reviewed; Journal article, 2022)
      Unmanned Aerial Vehicles (UAVs) have benefited from a tremendous increase in popularity over the past decade, which has inspired their application toward many novel and unique use cases. One of them is the use of UAVs in ...
    • Wind farm control - Part I: A review on control system conceptsand structures 

      Andersson, Leif Erik; Anaya-Lara, Olimpo; Tande, John Olav Giæver; Merz, Karl Otto; Imsland, Lars Struen (Journal article; Peer reviewed, 2021)
      Wind farm control design is a recently new area of research that has rapidly become a key enabler for the development of large wind farm projects and their safe and efficient connection to the power grid. A comprehensive ...
    • Wing-Augmented Articulated Intervention Autonomous Underwater Vehicle 

      Martin, Madsen (Master thesis, 2020)
      Økende temperaturer og forurensing av havet har ført til et økt ønske om å kartlegge havets klima og bærekraftighet. To klasser av undervannsroboter som særlig har utmerket seg for dette formålet i nyere tid er den artikulerte ...
    • Wire Arc Additive Manufacturing by Robot Manipulator: Towards Creating Complex Geometries 

      Evjemo, Linn Danielsen; Langelandsvik, Geir; Gravdahl, Jan Tommy (Journal article; Peer reviewed, 2019)
      Additive manufacturing (AM) is the umbrella term that covers a variety of techniques that build up structures layer-by-layer as opposed to machining and other subtracting methods. It keeps evolving as an important technology ...
    • Wire-arc additive manufacturing of structures with overhang: Experimental results depositing material onto fixed substrate 

      Evjemo, Linn Danielsen; Langelandsvik, Geir; Moe, Signe; Danielsen, Morten Høgseth; Gravdahl, Jan Tommy (Peer reviewed; Journal article, 2022)
      As additive manufacturing (AM) technology grows both more advanced and more available, the challenges and limitations are also made more evident. Most existing solutions for AM build structures layer by layer using strictly ...
    • Wireless Positioning and Collision Avoidance System 

      Rennæs, Karsten Fernholt (Master thesis, 2012)
      Early in the 1980's Jens G. Balchen wanted to create an autonomous bike, capable of driving without any help from supporting wheels or human interaction. The intriguing idea included a variety of complicated concepts and ...
    • Wireless Surface Interface for Subsea Instrumentation 

      Nesse, Ove (Master thesis, 2016)
      The buoy controller platform enables data acquisition from the connectable acoustic receiver, in addition to the other implemented log devices and connectable instruments. This allows the buoy platform to provide functionality ...
    • wirSENSE: A General WirelessHART Sensor Platform 

      Juul, Kenneth Andre; Lia, Oddmund Håverstad (Master thesis, 2008)
      The development of wireless sensor networks (WSNs) has grown rapidly during the last few years. Much because of the introduction of the IEEE 802.15.4 standard in 2003, which provides the basis for several WSNs. The ZigBee ...
    • Wood burning habits and its effect on the electrical energy demand of a retrofitted Norwegian detached house 

      Felius, Laurina C; Thalfeldt, Martin; Georges, Laurent; Hrynyszyn, Bozena Dorota; Dessen, Fredrik; Hassan Mohamed, Mohamed Hamdy (Journal article; Peer reviewed, 2019)
      Using firewood as a space heating source is a popular solution in Norwegian housing and can significantly reduce the electrical energy demand of houses. This study analysed habits and reasons for using a wood stove from ...
    • Worst-case Performance Analysis of Scenario-aware Real-time Streaming Applications 

      Skelin, Mladen (Doctoral thesis at NTNU;2016:245, Doctoral thesis, 2016)
      An embedded system is a combination of hardware and software designed to perform a dedicated function. Embedded systems typically come with stringent performance constraints such as throughput, latency, memory demands and ...
    • Worst-case performance analysis of SDF-based parameterized dataflow 

      Skelin, Mladen; Geilen, Marc; Catthoor, Francky; Hendseth, Sverre (Journal article; Peer reviewed, 2016)
      Dynamic dataflow models of computation (MoCs) have been introduced to provide designers with sufficient expressive power to capture increasing levels of dynamism in present-day streaming applications. Among dynamic dataflow ...
    • Yaw Error Estimation on the NREL 5-MW Offshore Baseline Wind Turbine 

      Aarvåg, John Håvard (Master thesis, 2023)
      Utviklingen av beregningseffektive og nøyaktige inflow-dynamikker, sammen med økende beregningskapasitet, muliggjør undersøkelse av den relativt uutforskede tilnærmingen til tilstandsestimering for å finne et feilestimat ...