Scientific Publications in Engineering Sciences
Recent Submissions
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Dynamic response analysis of a model truss bridge considering damage scenarios
(Peer reviewed; Journal article, 2023)Structural health monitoring plays a key role for maintenance and lifetime extension of bridges under complex loading conditions and damage scenarios. This paper applies vibration-based methods to monitor the structural ... -
Improved Fault Classification and Localization in Power Transmission Networks Using VAE-Generated Synthetic Data and Machine Learning Algorithms
(Peer reviewed; Journal article, 2023)The reliable operation of power transmission networks depends on the timely detection and localization of faults. Fault classification and localization in electricity transmission networks can be challenging because of the ... -
Motion-Control Techniques of Today and Tomorrow: A Review and Discussion of the Challenges of Controlled Motion
(Peer reviewed; Journal article, 2020)The paper states that continued progress in integrated mechatronic design and novel actuator technologies has created new challenges for motion control technologies. -
Super-twisting based sliding mode control of hydraulic actuator without velocity state
(Peer reviewed; Journal article, 2023)This paper provides a novel surface design and experimental evaluation of a super-twisting algorithm (STA) based control for hydraulic cylinder actuators. The proposed integral sliding surface allows to track a sufficiently ... -
Temperature profiles of field-aged photovoltaic modules affected by optical degradation
(Peer reviewed; Journal article, 2023)Moisture ingress into PV module in the presence of ultraviolet radiation, high temperature, and other environmental stressors can affect the optical integrity of the PV module. Optical degradation can take the form of ... -
A Comprehensive Review and Analysis of Nanosensors for Structural Health Monitoring in Bridge Maintenance: Innovations, Challenges, and Future Perspectives
(Peer reviewed; Journal article, 2023)This paper presents a thorough review and detailed analysis of nanosensors for structural health monitoring (SHM) in the context of bridge maintenance. With rapid advancements in nanotechnology, nanosensors have emerged ... -
Advanced Warehouse Energy Storage System Control Using Deep Supervised and Reinforcement Learning
(Doctoral dissertations at University of Agder;no. 435, Doctoral thesis, 2023)The world is undergoing a shift from fossil fuels to renewable energy sources due to the threat of global warming, which has led to a substantial increase in complex buildingintegrated energy systems. These systems ... -
Fatigue crack growth in mooring chain steel at different mean load levels
(Peer reviewed; Journal article, 2023)The fatigue crack growth rates of R4 mooring chain steel at different R-ratios are investigated. Crack growth experiments are performed at three different R-ratios, 0.1, 0.3 and 0.7, utilizing compact tension specimens in ... -
Exploring the Limits of Early Predictive Maintenance in Wind Turbines Applying an Anomaly Detection Technique
(Peer reviewed; Journal article, 2023)The aim of the presented investigation is to explore the time gap between an anomaly appearance in continuously measured parameters of the device and a failure, related to the end of the remaining resource of the device-critical ... -
Experimental comparison of a dual-spar floating wind farm with shared mooring against a single floating wind turbine under wave conditions
(Peer reviewed; Journal article, 2023)Shared mooring can potentially be a cost-reduction factor for future floating wind farms. To assess the effect of shared mooring on the response dynamics of floating wind turbines (FWTs), experiments have been conducted ... -
Dynamic analysis of a dual-spar floating offshore wind farm with shared moorings in extreme environmental conditions
(Peer reviewed; Journal article, 2023)The concept of a shared mooring system was proposed to reduce mooring and anchoring costs. Shared moorings also add complexity to the floating offshore wind farm system and pose design challenges. To understand the system ... -
Numerical and Experimental Study of Shared Mooring Systems for Prototype Floating Wind Farms
(Doctoral dissertations at the University of Agder;no. 431, Doctoral thesis, 2023)Conventional mooring systems represent a substantial portion of the cost of a floating offshore wind farm (FOWF). The concept of shared mooring was initially proposed to reduce the overall usage of mooring lines and the ... -
3D Sensor Placement and Embedded Processing for People Detection in an Industrial Environment
(Doctoral Dissertations at the University of Agder; no. 433, Doctoral thesis, 2023)At a time when autonomy is being introduced in more and more areas, computer vision plays a very important role. In an industrial environment, the ability to create a real-time virtual version of a volume of interest ... -
Influence of Aerodynamic Loads on a Dual-Spar Floating Offshore Wind Farm With a Shared Line in Parked Conditions
(Chapter, 2022)The concept of a shared mooring system, in which adjacent wind turbines are coupled by sharing mooring lines, has been proposed to reduce the mooring costs of floating offshore wind farms. This work investigates the influence ... -
Impact of supplier-specific investments in inter-organisational information systems on strategic electronic coordination : the moderation effect of buyer dependence
(Peer reviewed; Journal article, 2018)This paper examines the factors which influence sharing of the strategic information (in other words, electronic coordination) in a buyer–supplier dyad. The antecedents of this coordination are examined rather well in the ... -
Improving the technical properties of recycled aggregates for road construction
(Doctoral Dissertations at the University of Agder; no. 428, Doctoral thesis, 2023)Sustainable construction, operation and maintenance of road infrastructure are currently of high priority in Norway. The development of the highway standards and specifications (e.g., N200) plays an important role, so that ... -
Modeling asteroid binary systems with the full two-body problem using surface integrals
(Doctoral Dissertations at the University of Agder; no. 432, Doctoral thesis, 2023)An asteroid binary system, where two asteroids are in mutual orbit, is important to study as it can provide knowledge of the history of the asteroid population. The most important mechanism to form asteroid binaries in the ... -
Charting the path toward a greener world: A review of facilitating and inhibiting factors for carbon neutrality
(Peer reviewed; Journal article, 2023)The carbon neutrality (CN) literature has witnessed a mushrooming growth but also limited attempts to systematize the mass of evidence running in multiple directions. The consequent accumulation of fragmented insights can ... -
Technical and Environmental Properties of Recycled Aggregates Produced from Concrete Sludge and Excavation Materials
(Peer reviewed; Journal article, 2023) -
Estimating Sway Angle of Pendulum System Using Hybrid State Observer Incorporating Continuous and Discrete Sensing Signals
(Peer reviewed; Journal article, 2020)This paper presents the design of a hybrid state observer that estimates the sway angle in trolley systems with a pendulum, such as overhead cranes. In the system, sway angle signals detected by angular sensors are generally ...
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