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  • Distributed Management of Resources in a Smart City using Multi-Agent Systems (MAS) 

    Molchanov, Igor (Master thesis; Mastergradsoppgave, 2018-08-17)
    This document describes study of distributed management of resources in the context of Smart City with support of multi-agent systems. The investigated points include theoretical concepts of Smart City and application of multi-agent systems, decentralized and centralized designs for agent-based solutions and aspects of interactions between different self-interested agents. The document explores ...
  • Detection and prediction of falls among elderly people using walkers 

    Degtiarev, Aleksei (Master thesis; Mastergradsoppgave, 2018-08-17)
    Falls of elderly people are big health burden, especially for long-term consequence. Yet we already have research, describing how exactly elderly fall and reasons of falls. We aimed to develop means that could not only detect falls and send alerts to relatives and doctors to conquer one of the biggest fears of elderly to fall and do not have the ability to call for help, but also tried to implement ...
  • Wire Gear for Small Rotary Actuator intended for Low Earth Orbit Applications. 

    Aarud, Vebjørn Orre (Master thesis; Mastergradsoppgave, 2018-08-16)
    In this master thesis, a small rotary actuator with wire driveline intendent for space solutions is developed and tested. The replication of the environment with focus on surface friction, surface roughness, and more dynamical related features are considered. Features like temperature, vibration, radiation and more are excluded to limit the size. This because the field of interest in this iteration ...
  • 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 thesis to investigate the impact on fuel efficiency in relation to rolling resistance coefficient and vehicle weight. Although the model is not designed for optimal engine operation, ...
  • 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 only be achieved by an AC transformer hundred years ago. Rising trend development of electric vehicle and renewable energy technology have led to an urgency for re-evaluation of ...
  • 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 is becoming more significant today because of the increasing number of micro-grids (MGs). MGs usually use renewable energies in electrical production those fluctuate naturally. ...
  • 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 conversion capabilities. Along with development of DC equipment, the use and development of renewable energy sources have increased. This has brought up the topic of using DC in the ...
  • 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 system and grid connection standards have been studied and reviewed. A system with the capacity and ratings of solar modules currently available has been designed in Simulink. ...
  • 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 wider adoption of electric vehicles to mitigate environmental issues. However, increasing popularity of electric vehicles will pose a great threat to existing electric grids due ...
  • 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, LEO-satellites require a Global Navigation Satellite System (GNSS) service, to achieve various tasks which require positioning and localizing. The challenge is to have a GNSS receiver ...
  • 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 code and navigation data in encrypted form. To demodulate the navigation data, the processing block should accurately track the phase of incoming code and the frequency of incoming ...
  • 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 i slike nett vil medføre utfordringer for netteier når det gjelder spenningskvalitet og leveringssikkerhet og krever ofte oppgraderinger for å kunne opprettholde stabil og sikker ...
  • Optimal placement of PMUs considering logical topology of communication medium power system observability 

    Nikumbh, Bhushan Madan (Master thesis; Mastergradsoppgave, 2016-11-07)
    A phasor measurement unit (PMU) has a unique ability of providing synchronized phasor measurements of voltage and currents. This ability distinguishes it from all other metering devices. It has been perceived that PMUs hold the capability of revolutionizing the way of power system monitoring and control. However, high per unit cost and challenges related to its communication system has made ...
  • Communication in microgrids and virtual power plants 

    Starynets, Oleksandr (Master thesis; Mastergradsoppgave, 2016-11-07)
    One of the cornerstones of the steady operation of microgrids and virtual power plants as building blocks for smart grid is the communication system, which is the main objective for evaluation and research in this thesis. The given project investigates the most widespread communication protocols along with IEC 61850 standard for substations automation applied in smart grids. Based on the presented ...
  • Solar panel tracking control. Tracking the variations caused due to reflection from snow and other factors 

    Pandey, Saroj (Master thesis; Mastergradsoppgave, 2016-11-07)
    This report presents the design and simulations of a dual-axis solar tracker. This solar tracker works solely based on the output power of the PV panel mounted to it. It does not use any photosensors to orient the PV module. Describing the process in short, the position of the Sun is first calculated based on time and location information. Since this solar panel will be mounted here at UiT, ...
  • Quadrotor modeling and control 

    Kristiansen, Stig Espen (Master thesis; Mastergradsoppgave, 2016-11-03)
    In this thesis a mathematical quadrotor model based on cascade modeling theory, using a passivity-based control solution is derived and presented. The rotation and translation cascades are rst decoupled, modeled mathematically and simulated separately to test individual control solutions and stability, followed by total system modeling and simulations to verify the control solutions and stability ...
  • Ku-band patch antenna design 

    Johansen, Martin (Master thesis; Mastergradsoppgave, 2016-11-03)
    The market for on-the-move satellite communication is increasing, and phased array antennas have characteristics that makes them suited for this. In this thesis design and tuning of a wide-band microstrip patch antenna element for a Ku-band antenna array is presented. The SSFIP structure with a resonating aperture is used for the antenna element, and double resonance allows for operation at both ...