Browsing PhD theses in Engineering and Sciences by Title
Now showing items 86-105 of 122
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Predicting the fatigue damage evolution in welded steel joints
(Doctoral dissertations at University of Agder; no. 484, Doctoral thesis, 2024)The present thesis is investigating the fatigue damage evolution in welded steel joints subjected to dynamic repetitive loading. The work embraces various joint geometries and loading modes. The focus is on the fatigue ... -
Processes of mathematical inquiry in kindergarten
(Doctoral dissertations at University of Agder;, Doctoral thesis, 2019) -
Production and application of sustainable metallurgical biochar pellets
(Doctoral Dissertations at the University of Agder; no. 284, Doctoral thesis, 2020)The effective decarbonization of our society must be boosted through the promotion of efficient alternatives to fossil fuels. This transition should take place gradually, involving a broad range of actors and technologies. ... -
Protocol Design and Performance Evaluation of Wake-up Radio enabled IoT Networks
(Doctoral dissertations at University of Agder, Doctoral thesis, 2019) -
Real-life contexts in mathematics and students` interests : an Albanian study
(Doctoral dissertations at University of Agder;52, Doctoral thesis; Peer reviewed, 2012) -
Real-Time Fault Diagnosis of Permanent Magnet Synchronous Motor and Drive System
(Doctoral Dissertations at the University of Agder; no. 414, Doctoral thesis, 2023)Permanent Magnet Synchronous Motors (PMSMs) have gained massive popularity in industrial applications such as electric vehicles, robotic systems, and offshore industries due to their merits of efficiency, power density, ... -
Remote service discovery and control for ubiquitous service environments in next-generation networks
(Doctoral Dissertations at the University of Agder, Doctoral thesis; Peer reviewed, 2010) -
A Resource Approach to Mathematics Teacher Education
(Doctoral dissertations at University of Agder;no. 523, Doctoral thesis, 2025)The research presented in this dissertation addresses the disconnect between university coursework and school placement, as experienced by pre-service mathematics teachers (PSTs). In their educational trajectory, PSTs ... -
The resource decisions and documents of undergraduate engineering students in mathematics courses
(Doctoral Dissertations at the University of Agder; no. 307, Doctoral thesis, 2020)This thesis concerns a multiple case study, carried out at three Norwegian universities. The goal was to find similarities and differences between how engineering students from different university contexts used resources ... -
Reuse of Water and Nutrients in Soilless Plant Culture
(Doctoral Dissertations at the University of Agder; no. 403, Doctoral thesis, 2023)This dissertation proposes two approaches to mitigating the dependency of soilless culture on scarce mineral fertilisers. The first approach aims to increase the lifetime of the NS used in recirculating hydroponic systems, ... -
Security Mechanisms in Unattended Wireless Sensor Networks
(Doctoral Dissertation by the University of Agder;39, Doctoral thesis; Peer reviewed, 2011)Wireless Sensor Networks (WSNs) consisting of a large number of sensor nodes are being deployed in potentially hostile environments for applications such as forest fire detection, battlefield surveillance, habitat ... -
A service based approach for future internet architectures
(Doctoral dissertations at the University of Agder;28, Doctoral thesis; Peer reviewed, 2010) -
Smart Sensing and Communications for UAVs/Drones
(Doctoral dissertations at University of Agder; no 485, Doctoral thesis, 2024)Reliable sensing and energy-efficient communication are an integral part of unmanned aerial vehicle (UAV)-based applications. However, it is challenging to ensure reliable sensing under all weather conditions. Furthermore, ... -
Solar cell degradation : the role of moisture ingress
(Doctoral Dissertations at the University of Agder; no. 420, Doctoral thesis, 2023)Moisture ingress is one of the key fault mechanisms responsible for photovoltaic (PV) devices degradation. Moisture and moisture induced degradation (MID) products can attack the solar cell and the PV module components ... -
Spectrum Surveying for Machine Learning-Assisted UAV Communications
(Doctoral dissertations at University of Agder; no. 488, Doctoral thesis, 2024)The use of unmanned aerial vehicles (UAVs) has become widespread, spanning applications from surveillance to wireless communications infrastructure. Remarkably, it has been proposed that UAVs can be utilized as aerial base ... -
Spin Dynamics in Antiferromagnetic Systems
(Doctoral dissertations at University of Agder;no. 521, Doctoral thesis, 2025)This dissertation presents three research papers on spintronics-related effects. Two of the papers discuss dynamic spin phenomena in noncollinear antiferromagnets (NCAFMs). The third paper investigates the equilibrium ... -
Statistical analysis of the capacity of mobile radio channels
(Doctoral dissertations at the University of Agder;29, Doctoral thesis; Peer reviewed, 2011) -
Student meaning making in elementary algebra teaching : An in-depth study of classrooms in four countries
(Doctoral dissertations at the University of Agder; no. 258, Doctoral thesis, 2020)The research presented in this thesis is based on observations and analyses of classroom data from four countries. The data were collected through a collaboration of local research teams in Finland, Norway, Sweden and the ... -
Students’ perceptions of the relevance of mathematics in an Ethiopian preparatory school : Doctoral Dissertation at the University of Agder
(Doctoral dissertations at University of Agder, Doctoral thesis, 2019) -
Studying pupils’ mathematical thinking through problem solving and view of mathematics : Case studies of Finnish comprehensive school pupils
(Doctoral dissertations at University of Agder, Doctoral thesis, 2018)