Blar i Institutt for teknisk kybernetikk på tittel
Viser treff 1432-1451 av 3665
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Freewheeling Current-Based Sensorless Field-Oriented Control of Five-Phase Permanent Magnet Synchronous Motors Under IGBT Failures of a Single Phase
(Peer reviewed; Journal article, 2021)Model-based sensorless field-oriented control (FOC) suffers from overparameterization and can be laborious to use for a five-phase permanent magnet synchronous motor. On the other hand, insulated gate bipolar transistor ... -
Fremtidens kontrollrom for automatiserte oppdrettsanlegg
(Master thesis, 2022)Formålet med masteroppgaven er å utvikle en modell for fremtidens kontrollrom som tar høyde for operatørens ønsker og behov, samtidig som den bidrar til økt produksjon og bedret fiskehelse. Litteraturen og forarbeidet ... -
Fremtidens kontrollrom for høytautomatiserte havbruk
(Master thesis, 2021)Oppgaven ``Fremtidens kontrollrom for høyt automatiserte havbruk'' tar for seg problemstillinger relatert til hvordan operatøren på en havmerd kan opprettholde et godt situasjonsbilde under oppskalering. Det er fokusert ... -
Fremtidens sykehjem: Robotisert tilberedning av kaffe og kake
(Bachelor thesis, 2023)Det er laget et robotisert system for tilberedning av kaffe og kake. Det fungerer som en demonstrasjon på hvordan tilberedning av kaffe og kake kan automatiseres på sykehjem for å frigjøre verdifull tid for pleierne. En ... -
Fremtidige PLS-baserte kontrollanlegg i vannkraftverk
(Bachelor thesis, 2021)Kraftmarkedet og organisatoriske endringer, i tillegg til den akselererende teknologiutviklingen, påvirker hvilke investeringer som Statkraft må vurdere i tiden som kommer. Det lokale kontrollanlegget ved de 346 vannkraftverkene ... -
Frequency Detuning of Parametric Roll Resonance
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:43, Doctoral thesis, 2013) -
Frequency domain analysis of robust demodulators for high-speed atomic force microscopy
(Journal article; Peer reviewed, 2017)A fundamental but often overlooked component in the z-axis feedback loop of the atomic force microscope (AFM) operated in dynamic mode is the demodulator. Its purpose is to obtain a preferably fast and low-noise estimate ... -
Frequency Domain Modelling and Stability Analysis of a DFIG-based Wind Energy Conversion System Under None-compensated AC Grids: Impedance Modelling Effects and Consequences on Stability
(Journal article; Peer reviewed, 2019)Impedance-based frequency domain method is an effective tool for the stability assessment of a doubly-fed induction generator (DFIG) system. Several impedance models have been proposed recently, however, these models are ... -
Frequency Domain Modelling for Assessment of Hilbert and SOGI Based Single-Phase Synchronisation
(Chapter, 2019)Two different single-phase synchronisation schemes based on orthogonal system generation (OSG) are modelled in the linear, time-periodic framework. The frequency adaptive Hilbert phase locked loop (PLL) and the frequency-fixed ... -
Frequency Domain Stability Analysis of MMC-Based HVdc for Wind Farm Integration
(Journal article; Peer reviewed, 2016)This paper investigates the stability of offshore wind farms integration through a modular multilevel converter-based high-voltage dc (MMC-HVdc) transmission system. Resonances or instability phenomena have been reported ... -
Frequency Fluctuations in Marine Microgrids: Origins and Identification Tools
(Peer reviewed; Journal article, 2020)Fluctuation of frequency IS arguably the most characteristic feature of marine microgrids. T his concerns both frequency drift during step load change and all quasi-periodic fluctuation due to the impact of various factors ... -
Frequency-Adaptive Energy Control for Grid-Forming MMCs Under Unbalanced Conditions
(Peer reviewed; Journal article, 2023)This paper presents a frequency-adaptive energy control strategy for a Modular Multilevel Converter (MMC) which is suitable for grid-forming operation under unbalanced conditions. The average components of the energy sum ... -
Frequency-dependent deficits in head steadiness in patients with nonspecific neck pain
(Journal article; Peer reviewed, 2019)Motor control impairments are reported in patients with nonspecific neck pain but the particular deficits in underlying regulatory systems are not known. Head steadiness is controlled both by voluntary and reflex systems ... -
Frequency-dependent source and load impedances in power systems based on power electronic converters
(Chapter, 2016)Representations of power systems by frequency dependent impedance equivalents is an emerging technique in dynamic analyses of power systems including power electronic converters. The technique has been applied for decades ... -
From Beginner to Expert: Deep Reinforcement Learning Controller for 3D Path Following and Collision Avoidance by Autonomous Underwater Vehicles
(Master thesis, 2020)Tradisjonelle kybernetiske metoder har mange verktøy og teknikker som kan anvendes for en rekke klasser dynamiske systemer. En forutsetning for å kunne anvende mange av de tradisjonelle metodene, er en pålitelig matematisk ... -
From Eureka to K-Pos: Dynamic Positioning as a Highly Successful and Important Marine Control Technology
(Journal article; Peer reviewed, 2015)Dynamic positioning (DP) started out as an exotic control technology for geological core sampling in deep waters in the early 1960s. The technology gradually became more advanced during the 1970s, especially after it was ... -
From Words to Numbers
(Master thesis, 2020)CubeSat-prosjekter øker i andel, og behovet for pålitelighetsverktøy og data er nøkkelkomponenter for å unngå tidlig tap og oppnå suksesskriteriene for oppdraget. Feiltreeanalyse (FTA) er en mye brukt metode for å analysere ... -
Fuel Optimal Thrust Allocation in Dynamic Positioning
(Journal article, 2013)This paper is focused on the thrust allocation algorithm, which is a part of a Dynamic Positioning (DP) system in marine vessels with diesel-electric power system. In this paper the focus is on using the thrust allocation ... -
Fuel Optimal Thrust Allocation In Dynamic Positioning
(Master thesis, 2013)This thesis gives a short introduction to the Dynamic Positioning(DP) domain and focuses on developing a fuel optimal thrust allocation algorithm for marine DP vessels with a diesel electric power plant. Obtained data is ... -
Fuel-Efficient Control Allocation for Supply Vessels
(Master thesis, 2012)The motivation behind this thesis was to find a control allocation algorithm to reduce the power consumption onboard maritime vessels. As more and more maritime operations starts to go at deeper sea levels the further away ...