• Atmospheric Ice Accretion on Railway Overhead Powerline Conductors- A Numerical Case Study 

      Lotfi, Arefeh; Virk, Muhammad Shakeel; Pettersen, Jan-Arne (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-09-16)
      Ice accretion on railway overhead contact wires/conductors can cause various critical operational and safety issues such as overloading, arc formation, mass imbalance, and wire galloping. The focus of this multiphase numerical study is to understand and analyze the ice accretion physics on railway overhead powerline conductors at various operating conditions. In this regard, two different ...
    • Atmospheric ice monitoring system operation at Remote locations in cold region 

      Virk, Muhammad Shakeel; Rashid, Taimur; Mustafa, Mohamad Y (Journal article; Peer reviewed; Tidsskriftartikkel, 2013)
      The problems encountered in installation, maintenance and operations of equipment in the cold climate regions are far more complicated than others. The contributing factors and problems that can affect the system operation and performance should be identified, assessed and focused within well-defined parameters before its installation in cold climate regions. The harsh cold environment, could not ...
    • Atmospheric icing on wind turbines : Modeling and consequences for energy production 

      Homola, Matthew Carl (Doctoral thesis; Doktorgradsavhandling, 2011)
    • Atmospheric Icing Sensors - Capacitive Techniques 

      Mughal, Umair Najeeb; Virk, Muhammad Shakeel (Peer reviewed; Journal article; Tidsskriftsartikkel, 2013-01-22)
      The application of capacitive sensing technique is widely distributed in different physical domains primarily because of the diversity in dielectric permittivity and due to its minimum loading error and inertial effects. Atmospheric ice is a complex mixture of water, ice and air which is reflected in its complex dielectric constant. There are many existing atmospheric icing sensors but only few are ...
    • Atomized feedback, an approach to automatic formative assessment 

      Steen, Arild; Movik, Hans Richard (Peer reviewed; Chapter, 2017-11)
      In this article, we describe an approach to give automatic formative evaluation by atomizing the feedback. The mechanics in this approach is a large number of multiple-choice tests. The multiplechoice tests are used as voluntary assignments and gives controlled progression by releasing the tests in an order. Instruction is in the spirit of flipped classroom with short video lectures accompanied by ...
    • Attitude Determination and Control System for Satellites in Elliptical Orbits - a Complete Solution 

      Oland, Espen (Konferansebidrag; Conference object, 2017-08-08)
      This paper presents a complete solution to the problem of attitude determination and control for satellites in elliptical orbits. Specifically, it shows how to create the orbital mechanics, account for perturbing gravity torques, create a nonlinear PD+ attitude controller, map the control signal to desired thrust firings, implement magnetic field and Sun vector models, and how to implement a Madgwick ...
    • Augmented Reality Application for Training in Maritime Operations. A Proof of Concept AR Application Developed for Microsoft HoloLens 

      Xue, Hui (Master thesis; Mastergradsoppgave, 2017-06-27)
      Augmented reality (AR) is an advanced technology that integrates augmentations with the real world. This technology has been used to provide training and education along with other purposes. This work has been focused on enriching the learning experience of the maritime trainee by applying AR technology. In this work, a proof of concept AR application (App) is developed for the training of the ...
    • Automated multi-rotor draft survey of large vessels 

      Usman, Muhammad (Master thesis; Mastergradsoppgave, 2022-05-16)
      In maritime sector draft survey has a significant importance as it is used to determine many important factors used in maritime transportation. Draft is the vertical displacement from the bottom of the keel (the bottom-most element of a vessel) to the water line (the line of meeting point of hull and the water surface). It is used to measure the minimum water depth for safe navigation of vessel and ...
    • Automated Tugboat Assisted Docking of Large Vessels 

      Abdullah, Muhammad Zaeem (Master thesis; Mastergradsoppgave, 2022-05-15)
      The main research aspect behind this project was the problem in docking the ship to the port with limited space and resources available, causing number of onsite accidents and loss of resources. The main objective is to increase safety on ports, reduce pollution and increase fuel efficiency, also reduce the docking time for the vessels, which can be achieved by developing an autonomous docking system ...
    • Automatic Generation of Custom Image Recognition Models 

      Hanssen, Magnus Fredheim (Master thesis; Mastergradsoppgave, 2022-05-15)
      In this thesis, we examine the viability of training a convolutional neural network using synthetic data. The cnn is used for image recognition in an rms. We create a program that can render 3D models from STL files as images with varied backgrounds. The process of creating and training an image recognition model is also automated. Lastly, the model is used for image recognition. The report ...
    • Automatic verification of UI tests 

      Hagerup, Christopher Kragebøl (Master thesis; Mastergradsoppgave, 2019-06-28)
      The purpose of this thesis is to investigate whether or not it is possible to perform automatic verification of UI Tests using Neural Networks. The problem being looked at is variance tied to the operating system, graphics card, or other hardware. This can cause false positives during UI testing, and thus we wanted to find a solution that could learn to ignore this, while still verifying the result. ...
    • Autonomous Inspection of the International Space Station 

      Oland, Espen (Konferansebidrag; Conference object, 2017-09-18)
      This paper presents a solution to autonomous inspection of the international space station using a rigid spacecraft. Specifically, the paper presents the orbital mechanics, formation dynamics as well as rotational dynamics required to control the spacecraft relative to the space station, and then presents two PD+ controllers enabling a spacecraft to track a series of waypoints while pointing a sensor ...
    • Å studere effekt av isolasjonsmaterialet[s] posisjon i en husvegg 

      Anwar, Mohammad (Master thesis; Mastergradsoppgave, 2016-11-01)
      Rapporten tar for seg en eksperimentelle analyse i for bindelse med varmetransports gjennomyttervegger. Det teoretiske grunnlaget tar for seg Energitap gjennomvegger, varmeoverføringsfaktorer og fordeling i yttervegger. Numeriske beregninger og Simuleringer er utført for å studere virkninger av isolasjonsmaterialer i varmt og kaldforhold.
    • Baggage dissociation for sustainable air travel: Design study of ground baggage distribution networks 

      Hilfi, Sarah AL; Yu, Hao; Loskot, Pavel (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-03-16)
      Dissociation of passenger travel from baggage delivery has been proposed as one of the radical innovations in future air travel. This concept is still relatively new and largely unexplored, so there are many issues that need to be resolved. For instance, a complete end-to-end baggage dissociation will require the ground distribution networks to deliver passenger luggage to and from the departing ...
    • Beam based finite element modelling of Herøysund bridge 

      Berg, Patrick Norheim (Master thesis; Mastergradsoppgave, 2023-05-15)
      In this thesis the candidate aims to model two finite elements models of the post tensioned concrete Herøysund bridge. First a solid element model is modelled using the documentation from the bridge construction, then a beam element model is modelled using the solid model as a foundation. These models are subjected to a structural analysis that applies boundary conditions, joints, mass, gravity, ...
    • Best Venue to Disseminate Multiphysics Research 

      Khawaja, Hassan (Conference object; Konferansebidrag, 2019-12)
      Multiphysics analysis has been developed over the recent past to better represent the behaviour of complex processes by the use of simultaneous modelling of a number of systems. This development is driven by the industrial need to further the understanding of real physical phenomena in order to develop and design safer and more efficient products which are environmentally friendly. Such analyses ...
    • Best Venue to Disseminate Multiphysics Research: The International Journal of Multiphysics 

      Khawaja, Hassan (Conference object; Konferansebidrag, 2022)
      The International Journal of Multiphysics publishes peer-reviewed original research articles, review papers and communications in the broadly defined field of Multiphysics. The emphasis of this journal is on the theoretical development, numerical modelling and experimental investigations that underpin Multiphysics studies. The scope of the journal is to address the latest advances in theoretical ...
    • A Bibliometric Analysis of the Logistical Challenges and Methods for Vaccine distribution under the Pandemic 

      Andoh, Eugenia Ama; Yu, Hao (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-08)
      With the emergence and the widespread of the COVID-19 pandemic across the globe, there is an urgent need to effectively control the disease spread through mass vaccination. Several COVID-19 vaccines, e.g., Pfizer/BioNtech and Moderna, etc., have been proven highly effective and have been distributed and administrated in many countries. These vaccines need to be produced in large quantities and ...
    • BIM 4D - Prosjektstyring og visualisering. Ved prosjektet Østensjøveien 16. BIM 4D – Project management and visualization 

      Bogen, Trym Håvard (Master thesis; Mastergradsoppgave, 2018-08-16)
      This thesis describes building information modeling focusing on the fourth dimension using a specific software. Within this possibilities and challenges with the use of the fourth dimension during an ongoing project are presented, as well as suggestions on how this can be communicated on site. The literature study describes basic theory for both project planning, project management and building ...
    • Biogas from Organic Waste - A Case Study 

      Mustafa, Mohamad; Calay, Rajnish K; Roman, Elisabeth (Peer reviewed; Journal article; Tidsskriftsartikkel, 2016-07-01)
      This paper presents a case study to investigate the potential for upgrade of a bio-waste treatment plant. The paper also discusses development potentials in order to optimize the plant for maximum energy and environmental benefits. Data gathered over two consecutive years about the production of biogas, energy and bio-rest were considered and mass balance analysis of inputs and outputs of the ...