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Anomaly Detection, Prognostics, and Diagnostics: Machine Learning for the Hadron Calorimeter at the CMS Experiment
(Doctoral dissertations at University of Agder;477, Doctoral thesis, 2024)Machine Learning (ML) tools have gained immense popularity due to the proliferation of sensor data for monitoring, prognostic, and diagnostic applications in various industrial domains. The growing system complexity and ... -
Foreldres posisjonering i møte med barnehagelæreres fagkunnskap. En studie av foreldresamtaler i barnehagen.
(Peer reviewed; Journal article, 2023)Artikkelen baserer seg på en studie av åtte foreldresamtaler i to norske barnehager der vi undersøker hvordan foreldre posisjonerer seg i møte med barnehagelærerens fagkunnskap. Som teoretisk ramme for artikkelen har vi ... -
Essays on Investors' Decision-Making in Equity-Based Crowdfunding
(Doctoral dissertations at University of Agder; No. 476, Doctoral thesis, 2024)Equity crowdfunding (ECF) is a fast-growing source of equity financing for entrepreneurial ventures, complementary to existing actors within the entrepreneurial finance domain, such as business angels and venture capital ... -
Online Topology Identification From Vector Autoregressive Time Series
(Peer reviewed; Journal article, 2020)Causality graphs are routinely estimated in social sciences, natural sciences, and engineering due to their capacity to efficiently represent the spatiotemporal structure of multi-variate data sets in a format amenable for ... -
Data driven approach for the management of wind and solar energy integrated electrical distribution network with high penetration of electric vehicles
(Peer reviewed; Journal article, 2023)With the increased penetration of fluctuating renewables and growing population of contemporary loads such as electric vehicles, the uncertainties in the generation and demand in the electric power grids are increasing. ... -
Online Hyperparameter Search Interleaved with Proximal Parameter Updates
(Chapter, 2020)There is a clear need for efficient hyperparameter optimization (HO) algorithms for statistical learning, since commonly applied search methods (such as grid search with N-fold cross-validation) are inefficient and/or ... -
Membrane electrode assemblies for anion exchange membrane water electrolysers
(Doctoral dissertations at University of Agder;no. 479, Doctoral thesis, 2024)Membrane electrode assemblies for anion exchange membrane water electrolysers Developing technologies that may reduce our climate impact is always beneficial, though our current climate issues render the advancement of ... -
Methodological considerations when monitoring and promoting physical activity in cancer populations: Towards translation of evidence into broader application and impact
(Doctoral dissertations at University of Agder; No. 472, Doctoral thesis, 2024)The prevalence of cancer is rising in accordance with the expanding global population of increasingly older individuals. Lifestyle factors and behaviours of modern-day life, such as inactivity and more sedentary time, are ... -
English as an Lx: Multilingualism, transfer and interactions with background profile
(Doctoral dissertations at University of Agder; No. 478, Doctoral thesis, 2024)This thesis investigates multilingualism and effects of background profile in young Norwegian learners of English. A study is reported which takes a large-scale individual differences approach. 580 participants in years ... -
Mellom Naturphilosophie og symbolisme: Naturen som subjekt i Emil Boysons lyrikk
(Peer reviewed; Journal article, 2024)Mens den tyske naturfilosofiens betydning for 1800-tallets romantiske poesi i Skandinavia er hevet over tvil hos litteraturhistorikerne, har det vært mindre vanlig å se dette tankegodset videreført i senere perioder. Dermed ... -
Accurate Graph Filtering in Wireless Sensor Networks
(Peer reviewed; Journal article, 2020)Wireless sensor networks (WSNs) are considered as a major technology enabling the Internet-of-Things (IoT) paradigm. The recent emerging graph signal processing field can also contribute to enabling the IoT by providing ... -
Enabling Soft Frequency Reuse and Stienen's Cell Partition in Two-Tier Heterogeneous Networks: Cell Deployment and Coverage Analysis
(Peer reviewed; Journal article, 2020)Heterogeneous cellular networks (HetNets) are one of the key enabling technologies for fifth generation (5 G) networks. In HetNets, the use of small base stations (SBSs) inside the coverage area of a macro base station ... -
Sensitivity Analysis Of Online Oil Quality Monitoring For Early Detection Of Water Ingress In Marine Propulsion Systems
(Peer reviewed; Journal article, 2020)Gearboxes are critical equipment in the vessel propulsion system. Lubrication contamination caused by water ingress or condensation is one of the major failure modes in marine gearboxes leading to accelerated aging of ... -
Practice for determining friction in hydraulic winch systems
(Peer reviewed; Journal article, 2020)This paper presents a method for estimating friction in hydraulic active heave compensated (AHC) offshore winches. The method is a two-step approach where the first step is to model the friction loss in the hydraulic motors ... -
The effects of subsidising e-bikes on mode share and physical activity - A natural experiment
(Peer reviewed; Journal article, 2024)The promotion of increased cycling is a political goal in numerous countries due to its environmental and public health benefits. Initiatives to stimulate e-bike use, like subsidies, may be a relevant strategy. However, ... -
Is There a Proper Way to Teach Design Thinking? Empirical Evidence from Design Thinking in Education
(Journal article, 2020)Since about a decade ago, design thinking has become a prominent topic in the scientific and business world. In order to keep up with global competition, design thinking has proven to be a valuable concept for assisting ... -
Achieving Ultra Energy-efficient and Collision-free Data Collection in Wake-up Radio Enabled mIoT
(Chapter, 2020)To achieve ultra-low energy consumption and decade-long battery lifetime for Internet of things (IoT) networks, wake-up radio (WuR) appears as an eminent solution. While keeping devices in deep sleep for most of the time, ... -
Dissipation in suspension system augmented by piezoelectric stack: port-Hamiltonian approach
(Chapter, 2020)Analysis of damping in semi-active and active suspension systems is prerequisite for an advanced control and, eventually, energy harvesting functions. This paper addresses the damping in suspension system augmented by the ... -
Pressure-flow dynamics with semi-stable limit cycles in hydraulic cylinder circuits
(Chapter, 2021)In hydraulic circuits of the standard fluid-power actuators and mechanisms, like the linear-stroke cylinders, some hydrodynamic effects are often neglected. It happens mainly due to their complexity and secondariness in ... -
Autonomous mooring towards autonomous maritime navigation and offshore operations
(Chapter, 2020)Bollard is a vital component of mooring system. It is the anchor point for mooring ropes to be fixed in order to secure the vessel or ship. An algorithm that translates the segmented mask of bollard output from masked R-CNN ...