Doctoral Dissertations: Recent submissions
Now showing items 261-280 of 385
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Analysis, Modeling and CAE Validation of Vehicle Crashes using Advanced Signal Processing Tools
(Doctoral dissertations at University of Agder;159, Doctoral thesis; Peer reviewed, 2017)Road safety is one of the hot-spot issues in modern society and covers many aspects of traffic system. Vehicle safety plays an important role in reducing the casualties and saving the accident cost. Up to now, a lot of ... -
Grid Interaction Performance Evaluation of BIPV and Analysis with Energy Storage on Distributed Network Power Management
(Doctoral dissertations at University of Agder;154, Doctoral thesis, 2017)This research focuses on analysis of photovoltaic (PV) based active generator in microgrid and its utilization in not only for operational planning of the power system but also for instantaneous power flow management in ... -
Simulation Models in eGovernment Using System Dynamics
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2017)System Dynamics (SD) is a method to build simulation models using computers, to study the behaviour of systems, and apply what-if scenarios aiming at achieving optimal policy design. In this thesis, we are introducing an ... -
Profesjonsetiske utfordringer ved barns deltakelse i familieterapi
(Doctoral dissertations at University of Agder; no. 86, Doctoral thesis, 2013)Denne avhandlingen har et profesjonsetisk perspektiv på familieterapeuters yrkesutøvelse og har fokus på familieterapeuters opplevelse av profesjonsetiske utfordringer i familieterapi hvor barn deltar sammen med foreldre. ... -
Network Topology and Protocol Design for Efficient Consensus in Sensor Networks
(Doctoral dissertations at University of Agder;, Doctoral thesis; Peer reviewed, 2017)In the new era of Internet of Things, complex sensor networks are becoming crucial to link the physical world to the Internet. These sensor networks, composed by hundreds or thousands of nodes, provide many important ... -
A Dual-Mode Adaptive MAC Protocol for Process Control in Industrial Wireless Sensor Networks
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2017)Wireless Sensor Networks (WSNs) consist of sensors and actuators operating together to provide monitoring and control services. These services are used in versatile applications ranging from environmental monitoring t ... -
Temperature coefficients of multicrystalline compensated silicon solar cells
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)This thesis focuses on the bulk properties influencing the temperature coefficients of solar cells. The conversion efficiency of PV devices degrades with increasing temperature. The temperature coefficient of the open-circuit ... -
Multirotor Design Optimization: The Mechatronic Approach
(Doctoral dissertations at University of Agder;, Doctoral thesis; Peer reviewed, 2015)Multirotors such as the more famous quadcopter have been a favoured research object the last years. It is widely used as a flying platform for the hobby enthusiasts, but recently also used more and more by the industry. The ... -
Structural Control Strategies for Load Reduction of Floating Wind Turbines
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2015)Offshore wind energy has attracted great worldwide attention in recent years, while strong potentials have been found in deep sea areas in many places, such as the coastal lines of the United States, north Europe, and east ... -
Reduction of Oscillations in Hydraulically Actuated Knuckle Boom Cranes
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)A knuckle boom crane is characterized by being a versatile machine that during operation experiences large load variations caused by the changes in position and payload. Common uses are as a mobile loader crane mounted on ... -
Design and Analysis of Electric Powertrains for Offshore Drilling Applications
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)The global energy market is challenged with an ever increasing need for resources to meet the growing demands for electric power, transportation fuels, etc. Although we witness the expansion of the renewable energy industry, ... -
Offshore Wind Turbine Access Using Knuckle Boom Cranes
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)There is a great need for renewable and sustainable energy today and there are several different sources for this energy where offshore wind is one that has a great estimated planned power production. Wind power production ... -
Channel Access and Reliability Performance in Cognitive Radio Networks:Modeling and Performance Analysis
(Doctoral dissertations at University of Agder;, Doctoral thesis; Peer reviewed, 2016)According to the facts and figures published by the international telecommunication union (ITU) regarding information and communication technology (ICT) industry, it is estimated that over 3.2 billion people have access ... -
The Role of Finance and Microentrepreneurship in the Informal Economy
(Doktoravhandlinger ved Universitetet i Agder;132, Doctoral thesis, 2016) -
User-centred Design and Evaluation of Health Information Technology
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)Health information technologies play an important role in exchange of information and coordination of continuity of care in health care services. This thesis explores the approach of user-centred design and evaluation in ... -
Veiledningsritualet : En dialektisk studie av formaliserte veiledningssamtaler i lærerutdanningens praksisperiode
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016) -
Energy Efficiency inWireless Sensor Networks: Transmission Protocols and Performance Evaluation
(Doctoral dissertations at University of Agder;, Doctoral thesis; Peer reviewed, 2016)Energy efficiency is one of the major goals for achieving green wireless communications. The recent growth in ubiquitous wireless connections and multimedia applications demands higher energy efficiency for wireless ... -
Design of Mobile Radio Channel Simulators Using the Iterative Nonlinear Least Square Approximation Method with Applications in Vehicle-to-X Communications
(Doctoral dissertations at University of Agder;104, Doctoral thesis, 2015)Vehicle-to-X (V2X) communication systems are expected to provide tremendous benefits associated with the safety and traffic efficiency on roads. The successful deployment of emerging technologies like V2X requires channel ... -
Computation of the Load Flow at the Transformer in Distribution Grids with a Significant Number of Photovoltaic Systems using Satellite-derived Solar Irradiance Data
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2016)This thesis investigates the applicability of irradiance data provided by a weather satellite for the simulation of the high-resolution electric power load flow time series at a distribution grid transformer in an area ...