Fakultet for ingeniørvitenskap og teknologi: Nye registreringer
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Design of experimental loop to demonstrate pigging activity
(Master thesis; Mastergradsoppgave, 2017-06-14)Our world is continuously developing by new generation of engineers, artists, politicians, travelers and this list can be continued. They will research, improve and design new reality for the future. One of our missions is to help them by bringing better understanding of existing technologies. This is the goal of my thesis: to create an experimental loop to demonstrate pigging activity in the ... -
Multisensor video magnification
(Master thesis; Mastergradsoppgave, 2017-06-13)This study was performed with the three main goals. The first of which includes the implementation of “Eulerian Video Magnification” for the normal videos to observe the subtle changes that cannot be seen through the naked eyes. The second goal was to implement interpolation on thermal infrared videos. Finally, the third goal is to combine both the videos to amplify complex variations to reveal ... -
Kaibygging med betongelementer
(Master thesis; Mastergradsoppgave, 2017-06-08)"Sammendrag: Denne oppgaven omhandler bruk av betongelementer i kaikonstruksjoner. Målet med oppgaven er å sammenligne bruk av betongelementer mot plassbygging av åpne kaikonstruksjoner. Kai typen omtalt i oppgaven er åpen kai på utstøpte stålrørspeler med bæring av betongbjelker og betongdekke, samt innfesting med forankring- og friksjonsplate. Det er opp til den enkelte byggherre, prosjekterende ... -
Utnytting av energi i vannforsyning for oppvarming av større bygg
(Master thesis; Mastergradsoppgave, 2017-06-08)Det anbefales et varmepumpeanlegg med tre sammenkoblete varmepumper som benytter kommunes backup drikkevannsforsyning som varmekilde. Anlegget kan levere 262 kW varmeeffekt til Salangen bo- og eldresenter og Vasshaug barnehage. Økonomisk vurdering viser at prosjektet har en positiv nåverdi på 3,8 mil. kroner og 2,9 år inntjeningstid. -
A Business Model for Small and Medium-Sized Manufacturers (SMEs) in Sparsely Populated Areas in Northern Norway
(Master thesis; Mastergradsoppgave, 2017-06-14)As Northern Norway is considered as a low population density area with small and dispersed settlement structures, dispersed economic foundation with simplification, and focus on primary production. Manufacturing firms in Northern Norway are predominantly Small and Medium-Sized Enterprise (SMEs). With the development of globalization and the industry 4.0 trends, manufacturing industry focus more on ... -
Refinements of some limit hardy-Type Inequalities via Superquadracity
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-03)Refinements of some limit Hardy-type inequalities are derived and discussed using the concept of superquadracity. We also proved that all three constants appearing in the refined inequalities obtained are sharp. The natural turning point of our refined Hardy inequality is p=2 and for this case we have even equality. -
Ship-icing prediction methods applied in operational weather forecasting
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017-10-11)Sea-spray wetting of ships operating in cold environments imposes a great safety risk, due to icing. For this reason, marine-icing warnings have been a part of operational weather forecasting for the last five decades, yet verification of such warnings has only been done sparingly. This article evaluates different ship-icing methods applied in operational weather forecasting. The methods are tested ... -
Potential type operators in PDEs and their applications
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017-01)We prove the boundedness of Potential operator in weighted generalized Morrey space in terms of Matuszewska-Orlicz indices of weights and apply this result to the Hemholtz equation in ℝ<sup>3</sup> with a free term in such a space. We also give a short overview of some typical situations when Potential type operators arise when solving PDEs. -
Some new Two-Sided Inequalities concerning the Fourier Transform
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017)The classical Hausdorff-Young and Hardy-Littlewood-Stein inequalities do not hold for p > 2. In this paper we prove that if we restrict to net spaces we can even derive a two-sided estimate for all p > 1. In particular, this result generalizes a recent result by Liflyand E. and Tikhonov S. [7] (MR 2464253). -
Improving the Decision-making of Reverse Logistics Network Design Part II: An Improved Scenario-based Solution Method and Numerical Experimentation
(Peer reviewed; Chapter; Bokkapittel, 2018-02-11)The study of the network design problems related to reverse supply chain and reverse logistics is of great interest for both academicians and practitioners due to its important role for a sustainable society. However, reverse logistics network design is a complex decision-making problem that involves several interactive factors and faces many uncertainties. Thus, in order to improve the reverse ... -
Predicting Bedside Falls using Current Context
(Peer reviewed; Chapter; Bokkapittel, 2018-02-05)Each year about a third of the elderly aged 65 or older experience a fall. Many of these falls could be avoided if fall risk assessment and prevention tools where available in the daily living situation. Such tools would need to use the current context as input to predict an imminent fall. This paper presents an approach predicting imminent falls using data from a roof-mounted infrared array combined ... -
Scenario-based approaches for handling uncertainty in MPC for power system frequency control
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017)A stochastic nonlinear model predictive controller (SNMPC) is designed for automatic generator control of a proxy of the Nordic power system, and it is compared with a multi-stage nonlinear model predictive controller (MNMPC). Both controllers are scenario based, but originate in two different disturbance modeling paradigms; stochastic and deterministic. A simulation study indicates that the two ... -
Study Of Wind Chill Effect and Thermal Insulation Using Infrared Imaging
(Conference object; Konferansebidrag, 2017)Tanveer Ahmad presented his findings on using Infrared Imaging to identify the wind chill-effect and insulation of winter clothing. He showed qualitatively that IR can detect the effects of wind chill and conducted experiments to obtain data with a view to establishing metrics which can be used to assess the effectiveness of survival gear. An unusual item that cropped up during the presentation was ... -
A Hybrid Biomass Hydrothermal Gasification- Solid Oxide Fuel Cell System Combined with Improved CHP Plant for Sustainable Power Generation
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017)The most popular technique, so far, for biomass waste to energy conversion has been incineration, but this technique has raised a lot of objection among nature activists due to the release of particulate matter and pollutants like nitrogen oxides (NOx) into the atmosphere. However, advanced non-incineration conversion methods like pyrolysis, thermal gasification, and plasma-arc gasification are ... -
Numerical Simulation of Non-normal Wind Load on Porous Fences
(Journal article; Peer reviewed; Tidsskriftartikkel, 2017)This paper presents a numerical simulation of non-normal wind loads on a porous fence. It was found that non-normal wind load has significant impact on the performance of the fence in terms. The performance of the fence was measured as the effective fence zone behind the fence where flow characteristics and normal drag coefficients were maintained within safe level. It is recommended the incidental ... -
Case study: Optimization of End-of-line Packaging in Fishery Industry
(Peer reviewed; Bokkapittel; Chapter, 2016)Application of automation in SMEs working in fish industry is not in advanced state as in other fields of production and manufacturing industries. Due to expensive equipment, high labor costs of engineers required to implement such features into production lines, and low-quantity contracts, introduction of automation technologies is in large part of these companies is absent. This paper analyses ... -
Efficient Distributed Localization Algorithm for Ownership Identification of Reindeer Calf Using Wireless Sensor Networks
(Journal article; Tidsskriftartikkel, 2017)This paper presents a distributed algorithm for identifying the ownership of new-born reindeer calves using wireless sensor networks (WSNs). Reindeer are semi wild animals giving birth while in the wild. Although reindeer cows usually carry identification tags or signs of their owners, it is difficult to identify the ownership of the calves within a mixed herd. Currently, identification is performed ... -
Atmospheric ice monitoring system operation at Remote locations in cold region
(Journal article; Peer reviewed; Tidsskriftartikkel, 2013)The problems encountered in installation, maintenance and operations of equipment in the cold climate regions are far more complicated than others. The contributing factors and problems that can affect the system operation and performance should be identified, assessed and focused within well-defined parameters before its installation in cold climate regions. The harsh cold environment, could not ... -
Underactuated Waypoint Tracking of a Fixed-Wing UAV
(Journal article; Peer reviewed; Tidsskriftartikkel, 2013)In this paper a new method of performing waypoint tracking is shown for underactuated fixed-wing UAVs. The position error can be mapped onto the desired axis using a desired rotation matrix, while the velocity error can be mapped to the desired axis using a desired angular velocity. With all errors defined along one axis, the tracking problem is easily solved using only one thruster. A velocity ... -
Underactuated Control of Quadrotors with Collision Avoidance
(Journal article; Peer reviewed; Tidsskriftartikkel, 2013)In this paper a saturated controller is derived that solves the translational control problem for underactuated quadrotors. The controller is applied to multiple quadrotors during a formation reconfiguration where the quadrotors move from an initial position to a desired position. The null-space-based behavioral control method is a popular method for avoiding collisions between mobile agents, and ...