Blar i Institutt for teknisk kybernetikk på tittel
Viser treff 1642-1661 av 3665
-
Image Segmentation of Corrosion Damages in Industrial Inspections using State-of-the-Art Neural Networks
(Master thesis, 2020)Denne masteroppgaven studerer avanserte bildesegmenteringsalgoritmer for automatisk korrosjonsskade-segmentering. Automatisk bildeanalyse er nødvendig for å prosessere all data som samles inn med dronebaserte industrielle ... -
Image-based and risk-informed detection of Subsea Pipeline damage
(Peer reviewed; Journal article, 2023)As one of the most important assets in the transportation of oil and gas products, subsea pipelines are susceptible to various environmental hazards, such as mechanical damage and corrosion, that can compromise their ... -
Imaging of Nonlinear Scattering using Dual-frequency Band Ultrasound
(Doctoral Theses at NTNU, 1503-8181; 2010:258, Doctoral thesis, 2010)The work presented in this thesis is focused on developing a method for imaging of nonlinear scattering from stiff particles using dual-frequency band pulses. The pulse complexes are comprised of a low-frequency manipulation ... -
Impact of Atmospheric Icing on UAV Aerodynamic Performance
(Chapter, 2017)This paper presents a first assessment on the impact of atmospheric icing on the aerodynamic performance of fixed-wing UAVs. Numerical simulations were performed in order to evaluate the impact on lift and drag on a 2D ... -
Impact of digital time delay on the stable grid-hosting capacity of large-scale centralised PV plant
(Peer reviewed; Journal article, 2021)Digital control system has been widely used for the inverters in PV plant. However, the effects of digital time delay of digital control system on grid-connected PV plants have not been fully studied. Therefore, in view ... -
Impact of power flow direction on the stability of VSC-HVDC seen from the impedance nyquist plot
(Journal article, 2017)The high-voltage dc (HVDC) systems are appearing more and more, and it is becoming a requirement that the HVDC voltage-source converters (VSCs) operate both as an inverter and a rectifier without changing the controls to ... -
Impact of Power Flow Direction on the Stability of VSC-HVDC Seen from the Impedances Nyquist Plot
(Journal article; Peer reviewed, 2016)The high-voltage dc (HVDC) systems are appearing more and more, and it is becoming a requirement that the HVDC voltage-source converters (VSCs) operate both as an inverter and a rectifier without changing the controls to ... -
Impact of sensing and infusion site dependent dynamics on insulin bolus based meal compensation
(Journal article; Peer reviewed, 2017)Meals are most challenging in the regulation of blood glucose levels (BGL) in diabetes mellitus type 1, whether it is automated, semi-automated or manually controlled. The common subcutaneous (SC) route for glucose sensing ... -
Impact of time varying angular frequency on the separation of instantaneous power components in stand-alone power systems
(Book, 2017)The paper addresses the impact that time varying angular frequencies observed in electrical signals can have on the calculation and separation of components from the instantaneous electric power signal. Instantaneous power ... -
Impact of Virtual Oscillator Control on the instantaneous properties of VSC output voltage in distorted island grids
(Chapter, 2019)This paper investigates the instantaneous properties of voltage and frequency of Voltage Source Converters (VSCs) when they are controlled by Virtual Oscillator Controllers (VOC) in a distorted island grid. Under time-averaged ... -
Impact on Efficiency of Inductive Battery Charging System by Sub-Resonant Frequency Control during Large Variations in Coupling Conditions
(Chapter, 2020)This paper presents a detailed analysis of power transfer efficiency for inductive battery charging systems designed for sub-resonant frequency control during large variations in coupling conditions. It is first demonstrated ... -
Impedance and Noise of Passive and Active Dry EEG Electrodes: A Review
(Peer reviewed; Journal article, 2020)Dry electrodes are a promising solution for prolonged EEG signal acquisition, whereas wet electrodes may lose their signal quality in the same situation and require skin preparation for set-up. Here, we review the impedance ... -
Impedance scanning with chirps for single-phase converters
(Chapter, 2022)Impedance scanning of single-phase AC-DC converters is challenging due to frequency couplings, which map one injection frequency to a multiple of output frequencies. Single-tone injections are often preferred over wideband ... -
Impedance-based Analysis of Interconnected Power Electronics Systems: Impedance Network Modeling and Comparative Studies of Stability Criteria
(Journal article; Peer reviewed, 2019)Impedance is an intuitive and effective way for dynamical representation of power electronics devices (e.g. VSCs). One of its strengths towards others is the natural association with circuits. However, impedances of VSCs ... -
Impedance-based Methods for Small-signal Analysis of Power Electronics Dominated Systems
(Doctoral theses at NTNU;2018:292, Doctoral thesis, 2018)Kraftsystemet er i endring - vi manglar metodar for å analysere det! Kraftnettet har tradisjonelt hatt ein struktur med store produksjonseiningar tilkopla høgspentnettet, og rollen til nettet har vore å føre denne ... -
Impedance-Based Stability Analysis of Systems with the Dominant Presence of Distributed Power Sources
(Chapter, 2022)In recently developed electric power systems, numerous distributed generators (DGs) are connected via power electronic devices. Because these devices can generate harmonics and nonlinear distortion, traditional model-based ... -
Impedance-Based Stability Evaluation of Virtual Synchronous Machine Implementations in Converter Controllers
(Chapter, 2018)This paper presents a stability evaluation of two Virtual Synchronous Machine (VSM) implementations in the control of Voltage Source Converters (VSCs): a current-controlled (CCVSM) and a voltage-controlled (VCVSM) version ... -
Implantable sensing technologies for monitoring of behavioural and physiological dynamics in farmed Atlantic salmon
(Doctoral theses at NTNU;2023:339, Doctoral thesis, 2023)Atlantic salmon aquaculture is a major food industry with 1.5 million tonnes produced for worldwide consumption in 2022. However, in Norway during the same year, current farming methods resulted in a 17.1% mortality rate ... -
Implementasjon og simulering av menneskets oksygenmetabolisme
(Master thesis, 2017)I denne oppgaven ble det undersøkt om modelleringsspråket CellML er egnet for å implementere den etablerte dynamiske modell av fysiologiske respirasjonen. Modellen ble også implementert i en annen plattform hvis det viste ... -
Implementasjon og testing av en åpen bussprotokoll for armproteser
(Master thesis, 2012)Proteseindustrien preges av inkompatible produkter og produsenter som utviklersine egne standarder. Samtidig er et internasjonalt forskningsmiljø(der NTNU er delaktig) i ferd med å utvikle en åpen bussprotokoll til bruk ...