Fakultet for teknologi, naturvitenskap og maritime fag: Recent submissions
Now showing items 1-20 of 1898
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Exploiting Reverberation Fingerprints for Neural Network-Based Acoustic Emitter Localization
(Chapter, 2024)This paper addresses the problem of localizing a sound source in strong reverberating and conceivably noisy environments and its relevant potential applications, e.g., target location in interior room acoustic environments, ... -
Walking Optimization Algorithm for Humanoid Robots Using Genetic Algorithm
(Chapter, 2024)This paper proposes an algorithm to optimize the walking of humanoid robots based on the inverse kinematic model combined with a Genetic Algorithm. The objectives are to improve the sagittal displacement of the robot and ... -
Data augmentation and preprocessing techniques for enhanced underwater detection and classification
(Peer reviewed; Journal article, 2024)The opaqueness of the ocean provides opportunities for illicit trade enterprises, acts of terrorism, and covert military operations. Compact submarines or divers can infiltrate crucial infrastructure, such as harbors, to ... -
Literature Review and Research Design for Systems Integration: Case Study in Defense Systems
(Chapter, 2024)This chapter analyses existing literature to identify an integration strategy suitable for a Norwegian defence contractor. Various types of unknowns cause uncertainties in the system design. These uncertainties manifest ... -
Variability in modelled sonar and target depth distributions
(Peer reviewed; Journal article, 2024)Sonar performance depends heavily on the present environment, particularly the oceanography, bottom topography, bottom sediments, and surface wave conditions. Acoustic models provide insight on the impact of each ... -
Detection of Detrimental Weak Emergent Behavior Considering Operational Factors: a Case Study in Search and Rescue
(Peer reviewed; Journal article, 2025)This article applies the design of experiments approach for detecting detrimental weak emergent behavior of an autonomous surface vessel operating in a dynamic environment on a search and rescue mission. The research ... -
High Temperature Performance of 3 MHz 36° Y-Cut Lithium Niobate Ultrasonic Transducer for Non-Destructive Testing at 550 °C
(Peer reviewed; Journal article, 2023)This research presents the development and characterization of a high temperature ultrasound transducer for non-destructive testing (NDT) applications, specifically designed to operate in harsh environments up to 550 °C. ... -
Situation Awareness in Crisis Management – A Case Study from the Arctic Region
(Peer reviewed; Journal article, 2024)As the traffic of nuclear-propelled vessels and vessels carrying nuclear cargo is increasing in the Norwegian Sea and the adjacent Arctic Sea, the potential for accidents near the coastal regions poses a significant risk ... -
Roaming Security in 5G Systems
(Peer reviewed; Journal article, 2023)The Next Generation Critical Communication (NGCC) system in Norway (“Nødnett”) will be using mobile systems as its basis. In particular, it appears that Nødnett will be realized as a Home Environment (HE) with its own ... -
Deep reinforcement learning approach to estimate the energy-mix proportion for secure operation of converter-dominated power system
(Peer reviewed; Journal article, 2024)The dynamic evolution of the modern energy landscape has forced the integration of renewable energy sources (RESs) into power generation, catalyzing a paradigm shift towards converter-dominated power systems. This paper ... -
Doubly κ-deformed Yang models, Born-selfdual κ-deformed quantum phase spaces and two generalizations of Yang models
(Peer reviewed; Journal article, 2024)Recently it was shown that by using two different realizations of o^(1,4) Lie algebra one can describe one-parameter standard Snyder model and two-parameter κ-deformed Snyder model. In this paper, by using the generalized ... -
Post-Treatment of Carbon Nanotubes Based Electrodes to Realize Low Self-Discharge Supercapacitors
(Chapter, 2024)In supercapacitor research, the emphasis is often on enhancing capacitance, while self-discharge is frequently neglected, despite its potential to hinder long-term energy storage. This study investigates a post-annealing ... -
Die Shear Strength of Au-In-Bi SLID Bonds at Elevated Temperatures
(Chapter, 2024)Solid liquid interdiffusion (SLID) bonding is a promising technique for system integration, enabling applications at temperatures higher than the bonding temperature. This study provides the first experimental evidence of ... -
Cu–(Sn–Bi) SLID Bond Microstructure Under Different Temperatures
(Chapter, 2024)Bi is introduced to a common Cu–Sn metal system for solid-liquid interdiffusion (SLID) bonding, allowing for lower process temperature. Cu–(Sn–Bi) SLID bonds were realized by using a eutectic Sn–Bi sandwiched between Cu ... -
Compliant Interconnects Based on Single Micrometer-sized Metal-Coated Polymer Spheres
(Peer reviewed; Journal article, 2024)The rapid evolution of multifunctional electronics necessitates interconnection technologies appropriate for large dies with high-density and/or ultrafine pitch input/output pins. Existing technologies face numerous ... -
Black Silicon as Anti-Reflective Structure for Infrared Imaging Applications
(Peer reviewed; Journal article, 2024)For uncooled infrared cameras based on microbolometers, silicon caps are often utilized to maintain a vacuum inside the packaged bolometer array. To reduce Fresnel reflection losses, anti-reflection coatings are typically ... -
Enabling Low Pressure, Low Temperature, and Particle Control for Anisotropic Conductive Adhesives
(Peer reviewed; Journal article, 2024)Anisotropic conductive adhesives (ACAs) are the preferred interconnection technology for applications that employ large dies, flexible substrates, and ultra fine-pitch interconnects. Conventional ACAs require relatively ... -
Directional Overcurrent Protection Design for Distribution Network: CIGRE European Medium-Voltage Benchmark Network †
(Peer reviewed; Journal article, 2024)Overcurrent protection is a fundamental aspect of power system protection and is widely utilised in distribution networks. The increasing integration of renewable energy sources (RESs) into the conventional power system ... -
Collection and Statistical Analysis of a Fixed-Text Keystroke Dynamics Authentication Data Set
(Chapter, 2023)Keystroke dynamics authentication is a promising method of improving account security with minimal detriment for user convenience. While there is an abundance of research, there is a lack of available data sets. In this ... -
Feasibility of Micro-Grass on Silicon Cap as an Alternative Antireflective Layer in Vacuum Packaging of Microbolometer Arrays
(Chapter, 2024)Micro-grass has been introduced as an antireflective layer on silicon (Si) caps used for vacuum packaging of microbolometer arrays (MBA), acting as infrared (IR) detectors in thermal imaging cameras. Compared to conventional ...