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Exploratory analysis of hyperspectral FTIR data obtained from environmental microplastics samples
(Peer reviewed; Journal article, 2020)Hyperspectral imaging of environmental samples with infrared microscopes is one of the preferred methods to find and characterize microplastics. Particles can be quantified in terms of number, size and size distribution. ... -
Exploring Frequency, Variability and Propulsion Patterns in Manual Wheelchair Propulsion
(Master thesis, 2023)Teknologiske fremskritt i de siste årene har gjort det mulig å ta i bruk ulike sensorer for aktivitets- og treningsmåling. De fleste av disse enhetene er hovedsakelig beregnet for personer uten funksjonsnedsettelser, og ... -
Exploring the Attributes of Particle Filter vs Nonlinear Kalman Filter for Battery State of Charge Estimation
(Chapter, 2018)Accurately knowing the State of Charge (SoC) of a Lithium Ion Battery is critical for many applications, and various methods for determining it have been proposed. This paper examines the differences between the Central ... -
Exploring the potential for improved performance of flow metering using hybrid modeling
(Master thesis, 2022)Denne masteroppgaven utforsker anvendelsen av hybrid flytmodellering i olje- og gass-flytmåling. Ettersom beregningskraft og teknologisk forståelse har økt de siste årene, er virtuelle flytmålere (VFM) et voksende felt ... -
Exponential Convergence Bounds in Least Squares Estimation: Identification of Viscoelastic Properties in Atomic Force Microscopy
(Journal article; Peer reviewed, 2017)Using atomic force microscopy (AFM) for studying soft, biological material has become increasingly popular in recent years. New approaches allow the use of recursive least squares estimation to identify the viscoelastic ... -
Exponentially Stable Dynamic Walking in a Sprawling Quadruped
(Master thesis, 2022)Roboter med ben har vært et forskningsområde av økende akademisk og offentlig interesse de siste 50 årene. Roboter som evner å bevege seg robust og autonomt gjennom områder som byr på utfordringer for konvensjonelle kjøretøy ... -
Extended Kalman Filter Design and Motion Prediction of Ships using Live Automatic Identification System (AIS) Data
(Chapter, 2018)This paper addresses the problem of ship motion estimation using live data from Automatic Identification Systems (AIS) and extended Kalman filter (EKF) design. AIS data are transmitted from ships globally and a very-high ... -
Extended target PMBM tracker with a Gaussian Process target model on LiDAR data
(Chapter, 2023)In Multiple Extended Object Tracking, the PMBM (Poisson Multi-Bernoulli Mixture) tracker is considered state-of-the-art. Originally, it was presented with the GGIW (Gamma Gaussian Inverse Wishart) target model, which is a ... -
Extending a derivative-free model-based trust-region optimization algorithm to account for constraints and partial gradient information - Application to oil field development
(Master thesis, 2018)This master's thesis is motivated by the oil field development challenge. This is a very big and complicated task and only one part of it will be in focus, namely, the well placement challenge. When planning a new oil field ... -
Extracting Mapped Hazards from Electronic Navigational Charts for ASV Collision Avoidance
(Master thesis, 2019)Det finnes mange Elektroniske Navigasjonskart med detaljert beskrivelse om det maritime miljøet tilgjengelig idag. Disse kartene er laget av hydrografiske kontorer, hvor de følger et standardisert format som gjør det mulig ... -
Extremum seeking for real-time optimal drilling control
(Peer reviewed; Journal article, 2019)This paper demonstrate the feasibility and illustrates some challenges of applying extremum seeking control to online optimization of the drilling process. Specifically, we consider the problem of finding the hook-load ... -
Extremum-Seeking Control for Harmonic Mitigation in Electrical Grids of Marine Vessels
(Journal article; Peer reviewed, 2019)This paper focuses on the minimization of the harmonic distortion in multibus electrical grids of marine vessels using a single active power filter. An active power filter is commonly used for local harmonic mitigation. ... -
Extremum-seeking control for steady-state performance optimization of nonlinear plants with time-varying steady-state outputs
(Journal article; Peer reviewed, 2018)Extremum-seeking control is a useful tool for the steady-state performance optimization of plants for which the dynamics and disturbance situation can be unknown. The case when steady-state plant outputs are constant ... -
Extremum-seeking control: convergence improvements and asymptotic stability
(Doctoral thesis at NTNU;2016:167, Doctoral thesis, 2016)Extremum-seeking control is an adaptive-control methodology that optimizes the steady-state performance of dynamical plants by automated tuning of plant parameters based on measurements. The main advantage of extremum-seeking ... -
Extrusion Cycle Optimization
(Master thesis, 2023)Ved å utvikle presis kontollteknologi for ekstruderingsprosesser, skal forskningprosjektet High Precision Extrusion Temperature Control through Digital Technology (ExtruTeC) møte den økende etterspørselen av høykvalitetsprofiler ... -
Factorized Kalman filter implementation for aided inertial navigation systems
(Master thesis, 2022)For å undersøke om NTNU UAVlabs navigasjonssystemsprogramvare for simulering av treghetsnavigasjon kunne forbedres i tilfeller der målevektoren er stor, så utførte vi et eksperiment der vi sammenlignet tre variasjoner av ... -
Fall Detection for the Elderly using Microsoft Kinect
(Master thesis, 2014)This thesis explores the use of Microsoft Kinect for fall detection of elders. Strengths and weaknesses are analyzed, and typical problems encountered when using the Kinect for fall detection in a home environment are ... -
Farmed Atlantic salmon (Salmo salar L.) avoid intrusive objects in cages: The influence of object shape, size and colour, and fish length
(Peer reviewed; Journal article, 2024)Underwater vehicles and other mobile platforms are seeing increased use as tools within fish farming, particularly due to current trends towards Precision Farming practices, and more exposed farming sites. Although many ... -
Fast and accurate time tracking using smartwatches
(Master thesis, 2021)Mennesker foretrekker noen aktiviteter fremfor andre og evne til å kontrollere hvordan en bruker tid er vist til å korrelere med stressnivå og akademisk prestasjon. Mennesker opplevelse av tid er kjent for å være variabel. ... -
Fast divergence-conforming reduced basis methods for stationary and transient flow problems
(Peer reviewed; Journal article, 2020)Reduced basis methods (RB methods or RBMs) form one of the most promising techniques to deliver numerical solutions of parametrized PDEs in real-time with reasonable accuracy [1]. For the Navier-Stokes equation, RBMs based ...