Doctoral theses (RealTek)
Unless otherwise stated on the individual theses, the works in this collection are licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Recent Submissions
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Dry film FTIR spectroscopy for in-process food quality measurements
(PhD Thesis;2024:11, Doctoral thesis, 2024)Proteins are essential biological nutrients, and the global demand for protein-rich food and feed is increasing with population growth. To promote sustainability, industries are putting efforts to optimize resource ... -
Deep learning-assisted analysis of infrared microspectroscopic data for enhanced chemical and optical characterization
(PhD thesis;2024:15, Doctoral thesis, 2024)Infrared (IR) spectroscopy is an accurate, rapid and non-destructive analytical technique widely applied across diverse scientific disciplines. It records an absorbance spectrum that quantifies the loss of intensity as IR ... -
Traversability-guided planning for efficient robot navigation in uneven terrains
(PhD thesis;2024:23, Doctoral thesis, 2024)This doctoral thesis presents several novel contributions to robot navigation in uneven terrains, emphasizing the development of innovative approaches in motion planning, environmental representation, traversability ... -
Molecular ferroelectric plastic crystals : computational modeling and discovery
(PhD Thesis;2024:22, Doctoral thesis, 2024)In recent years, ferroelectric molecular crystals, specifically those with globular molecules, have gained interest due to their rapid ferroelectric switching, high Curie temperatures, and multiaxial ferroelectricity. These ... -
Computational discovery and design of organic molecular ferroelectrics
(PhD Thesis;2024:12, Doctoral thesis, 2024)In the early stages, discovered ferroelectrics were unsuitable for industrial applications, but following the discovery of ceramic ferroelectrics, they gained widespread usage in capacitors, actuators, and piezoelectric ... -
Comprehensive phenotypic characterization of newly isolated cold-adapted bacteria from Antarctic temporary meltwater ponds
(PhD Thesis;2024:5, Doctoral thesis, 2024)Antarctic meltwater ponds are unique unexplored biotopes characterized by a high complexity of microbiota and affected by ever-changing ecological factors. Cold-adapted bacteria isolated from Antarctic meltwater ponds ... -
Towards a sustainable feed pelleting with novel raw materials and enzymes to meet the challenges of developing feed manufacturing
(PhD thesis;2023:69, Doctoral thesis, 2023)Single-cell organisms have been identified as promising novel feed ingredients for aquatic animals. The knowledge of optimal downstream processes in the form of compaction or pelleting is, however, insufficient and lacking ... -
Toward monitoring of photovoltaic power plants with photoluminescence imaging
(PhD Thesis;2023:53, Doctoral thesis, 2023)It is predicted that the photovoltaic energy conversion will be the largest installed power capacity by 2027. The least costly option for new electricity generation in many of the world’s countries will be the utility-scale ... -
Row following based navigation systems for agricultural robots
(PhD Thesis;2021:3;, Doctoral thesis, 2021)The main goal of the thesis is to study methods to follow row-like structures in agricultural scenarios by using low-cost hardware components to create an environment-aware robotic system. The objective is not only to ... -
Exploring the transition from traditional data analysis to machine- and deep learning approaches
(PhD Thesis;2023:47, Doctoral thesis, 2023)Data analysis methods based on machine- and deep learning approaches are continuously replacing traditional methods. Models based on deep learning (DL) are applicable to many problems and often have better prediction ... -
Resolving snow challenges for increased deployment of photovoltaic systems
(PhD Thesis;2022:77, Doctoral thesis, 2022)Photovoltaic (PV) systems are becoming more competitive due to a cost reduction of the technology and increased electricity prices. As the technology extends to cold climates with lower irradiance, a knowledge gap in how ... -
Raman spectroscopy for in-line food quality characterization
(PhD Thesis;2023:5, Doctoral thesis, 2023)A major challenge in the food industry is to effectively handle massive streams of food raw materials and products of different origin and quality. In-line sensor systems for food analysis can potentially measure and ... -
Investigations of hydrological contributions to terrestrial gravity measurements
(PhD Thesis;2023:29, Doctoral thesis, 2023)This thesis discusses the hydrological gravity signal in gravity time series from two different perspectives. The two perspectives are how we reduce the influence of hydrological dynamics and how we isolate hydrological ... -
Data- and expert-driven feature selection for predictive models in healthcare : towards increased interpretability in underdetermined machine learning problems
(PhD Thesis;2023:34, Doctoral thesis, 2023)Modern data acquisition techniques in healthcare generate large collections of data from multiple sources, such as novel diagnosis and treatment methodologies. Some concrete examples are electronic healthcare record systems, ... -
New understanding of gas hydrate phenomena and natural inhibitors in crude oil systems through mass spectrometry and machine learning
(PhD thesis;2023:35, Doctoral thesis, 2023)Gas hydrates represent one of the main flow assurance issues in the oil and gas industry as they can cause complete blockage of pipelines and process equipment, forcing shut downs. Previous studies have shown that some ... -
Identifying Materials with Low Lattice Thermal Conductivity Using Machine Learning and Computational Modeling
(Phd Thesis;2023:13, Doctoral thesis, 2023)Lattice thermal conductivity is a key materials property in applications related to thermal functionality, such as thermal barrier coatings, thermal conductors in microelectronics, and solid-state waste-heat recovery ... -
Microplastics in stormwater runoff : measuring tire wear particles (TWP) concentration in the road environment and effect of treatment systems
(PhD Thesis;2023:16, Doctoral thesis, 2023)Tire wear particles (TWP) are a major source of microplastics that are mainly transported by stormwater from roads to the environment. Their risk has not yet been sufficiently evaluated, mainly because of the lack of ... -
Assessment of machine learning methods for automatic tumor segmentation
(PhD Thesis;2023:12, Doctoral thesis, 2023)The definition of target volumes and organs at risk (OARs) is a critical part of radiotherapy planning. In routine practice, this is typically done manually by clinical experts who contour the structures in medical images ... -
Airborne hyperspectral imaging for multisensor data fusion
(PhD Thesis;2023:18, Doctoral thesis, 2023)Multisensor data fusion demand in Earth observations is constantly increasing thanks to technological advances and the willingness to explore the Earth in a multidisciplinary way. Recently hyperspectral imaging has become ... -
Investigation of torrefaction and addition of alternative raw materials in biomass pelleting
(PhD Thesis;2016:01, Doctoral thesis, 2016)The interest in renewable energy sources is growing continuously owing to climate change and the limited amount of fossil fuels. Biomass is the most popular renewable energy source, and it will continue to play a key ...
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