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  • Recognizing Bedside Events Using Thermal and Ultrasonic Readings 

    Danielsen, Asbjørn; Tørresen, Jim (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-09)
    Falls in homes of the elderly, in residential care facilities and in hospitals commonly occur in close proximity to the bed. Most approaches for recognizing falls use cameras, which challenge privacy, or sensor devices ...
  • General purpose process control unit 

    Mokrushev, Ivan (Master thesis; Mastergradsoppgave, 2017-06-12)
    The main purpose of the thesis is to make a control unit where different models can be tested with a number of motors, sensors, indicators, control devices which are used by Fischertechnik in training models. This work ...
  • Modelling and simulating a hybrid electric vehicle 

    Leikarnes, Ivar Roskifte (Master thesis; Mastergradsoppgave, 2017-06-12)
    This thesis presents an overview of the different types of hybrid electric vehicle structures and basic guidelines regarding choice of components. The simulation model of a hybrid electric vehicle was created for this ...
  • Transition to DC distribution grids 

    Awoniyi, Taiwo (Master thesis; Mastergradsoppgave, 2017-08-15)
    "The war between AC and DC has emerged once again due to the rapid development and advancement of electric power technologies. Nowadays, power electronics and DC/DC converters are able to change voltage levels, which could ...
  • Intelligent load frequency control in an isolated wind-solar PV-micro turbine-diesel based micro-grid using V2G integration 

    Addisu, Wondwosen Eshetu (Master thesis; Mastergradsoppgave, 2017-06-12)
    Abstract Modern power systems need more intelligence and flexibility to maintain and control a generation load balance from subsequent serious disturbances due to the emerging of more renewable energy sources. This problem ...
  • DC distribution systems 

    Taso, Emir (Master thesis; Mastergradsoppgave, 2017-06-12)
    In today’s distribution system, the dominating type of current used is AC. In newer time, improvements have been done within the field of DC. The developments that are achieved, are in terms of converter efficiency and ...
  • Design of a grid connected photovoltaic power electronic converter 

    Mustafa, Mohsin Noman (Master thesis; Mastergradsoppgave, 2017-06-12)
    In this thesis, the designing of a grid-connected photovoltaic system for the power electronic laboratory of UiT- Campus Narvik has been carried out. The relevant topics and literature regarding the elements in a photovoltaic ...
  • Electric vehicles and vehicle-to-grid technology. How utilities can play a role 

    Tahir, Moez (Master thesis; Mastergradsoppgave, 2017-06-12)
    Adverse effects of fossil fuel burning internal combustion engine vehicles has alarmed nations worldwide. With recent technological advancements in electric vehicle industry, governments throughout the world are promoting ...
  • FPGA-based data acquisition system for GNSS receiver for LEO-satellites applications 

    Siboniyo, Didier (Master thesis; Mastergradsoppgave, 2017-06-12)
    The modern Low Earth Orbit satellites (LEO-satellites) technology is highly complex and reliable than it was yesterday. Nowadays, the LEO-satellites applications extend from civilian to military applications. However, ...
  • FPGA-based tracking system for GNSS receivers 

    Manandhar, Anil (Master thesis; Mastergradsoppgave, 2017-06-12)
    This report presents the design and simulation of code and carrier tracking system for a GNSS receiver. The GNSS receiver processes the signal sent by satellites in space. These signal contain carrier wave signal, ranging ...
  • Lagrangian and ALE Formulations For Soil Structure Coupling with Explosive Detonation 

    Souli, M; Albahkali, E; Shahrour, I; Moatamedi, Mojtaba (Journal article; Tidsskriftartikkel; Peer reviewed, 2017)
    Simulation of Soil-Structure Interaction becomes more and more the focus of computational engineering in civil and mechanical engineering, where FEM (Finite element Methods) for soil and structural mechanics and ...
  • Stabilitet i 22kV distribusjonsnett 

    Skogvoll, Petter (Master thesis; Mastergradsoppgave, 2017-05-18)
    De senere årene har det vært en økning i utbygging av små produksjonsenheter i distribusjonsnettet. I dag benyttes distribusjonsnettet i hovedsak til å fordele kraft fra overliggende nett. En tilknytning av ny produksjon ...
  • Some new Hardy-type inequalities in q-analysis 

    Baiarystanov, A.O.; Persson, Lars Erik; Shaimardan, S.; Temirkhanova, A. (Peer reviewed, 2016-09)
    We derive necessary and sufficient conditions (of Muckenhoupt-Bradley type) for the validity of q -analogs of (r, p) -weighted Hardy-type inequalities for all possible positive values of the parameters r and p . We also ...
  • A new discrete Hardy-type inequality with kernels and monotone functions 

    Kalybay, Aigerim; Persson, Lars Erik; Temirkhanova, Ainur (Peer reviewed, 2015-10-06)
    A new discrete Hardy-type inequality with kernels and monotone functions is proved for the case 1<q<p<∞1<q<p<∞. This result is discussed in a general framework and some applications related to Hölder’s summation method are ...
  • Some new Hardy-type inequalities for Riemann-Liouville fractional q-integral operator 

    Persson, Lars Erik; Shaimardan, Serikbol (Peer reviewed, 2015-09-24)
    We consider the q-analog of the Riemann-Liouville fractional q-integral operator of order n∈Nn∈N. Some new Hardy-type inequalities for this operator are proved and discussed.
  • Time scale Hardy-type inequalities with ‘broken’ exponent p 

    Oguntuase, James A; Fabelurin, Olanrewaju O; Adeagbo-Sheikh, Abdulaziz G; Persson, Lars Erik (Peer reviewed, 2015-01-16)
    In this paper, some new Hardy-type inequalities involving ?broken? exponents are derived on arbitrary time scales. Our approach uses both convexity and superquadracity arguments, and the results obtained generalize, ...
  • Asymptotics of a spectral-sieve problem 

    Amirat, Youcef; Bodart, Olivier; Chechkin, Gregory; Piatnitski, Andrey (Peer reviewed, 2015-11-18)
    In a bounded domain with a thin periodically punctured interface we study the limit behavior of the bottom of spectrum for a Steklov type spectral problem, the Steklov boundary condition being imposed on the perforation ...
  • Osmosis for non-electrolyte solvents in permeable periodic porous media 

    Heintz, Alexei; Piatnitski, Andrey (Peer reviewed, 2016-08)
    The paper gives a rigorous description, based on mathematical homogenization theory, for flows of solvents with not charged solute particles under osmotic pressure for periodic porous media permeable for solute particles. ...
  • Singularly perturbed spectral problems with Neumann boundary conditions 

    Piatnitski, Andrey; Rybalko, A; Rybalko, V (Peer reviewed, 2015-09-07)
    The paper deals with the Neumann spectral problem for a singularly perturbed second-order elliptic operator with bounded lower order terms. The main goal is to provide a refined description of the limit behaviour of the ...
  • Homogenization of random Navier–Stokes-type system for electrorheological fluid 

    Piatnitski, Andrey; Zhikov, Vasily (Peer reviewed, 2015-11-19)
    The paper deals with homogenization of Navier–Stokes-type system describing electrorheological fluid with random characteristics. Under non-standard growth conditions we construct the homogenized model and prove the ...

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