Blar i Institutt for teknisk kybernetikk på tittel
Viser treff 2401-2420 av 3665
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Obstructive sleep apnea detection using discrete wavelet transform-based statistical features
(Peer reviewed; Journal article, 2021)Motivation and objective Obstructive sleep apnea (OSA) is a sleep disorder identified in nearly 10% of middle-aged people, which deteriorates the normal functioning of human organs, notably that of the heart. Furthermore, ... -
Ocean Surface Pickup with Multirotor Drone
(Master thesis, 2020)Autonome droner er i økende grad brukt til å utføre oppdrag som er vanskelig for mennesker å utføre selv. Droner tilbyr høy sikkerhet og effektivitet, men nøyaktighet i landingsfasen er en vanskelig utfordring. Denne ... -
Off-Shore Robotics: Robust and Optimal Solutions for Autonomous Operation
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:96, Doctoral thesis, 2010)The vast majority of research in the field of robotics has over the last few decades shifted from industrial robots—in the sense of robots mounted in a structured environment such as a factory floor—to robots operating in ... -
Offshore Pipelaying Dynamics
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:28, Doctoral thesis, 2010)This thesis considers three issues regarding modeling of oshore pipelaying dynamics. These are: (i) the formulation of an oshore pipeline installation operation as a control problem, (ii) the development and passivity ... -
Ombygging av lagerrobot
(HiST AFT Rapport, Peer reviewed; Research report, 2010-01-20)Prosjektet gikk ut på å fornye/oppgradere én kran med ny PLS (Simatic S7) og samtidig teste ut drifts- og sikkerhetsfunksjoner. Dette gjør automatkranene mer kompatibel i dagens marked med tanke på drift og vedlikehold. ... -
On a hybrid approach to model learning applied to virtual flow metering
(Doctoral theses at NTNU;2022:165, Doctoral thesis, 2022)Process modeling using first-principle equations has existed for centuries as a methodology to represent and analyze real-world processes. In time with increasing computing power and sensor data availability, data-driven ... -
On Adversarial Regularization of Tabular Wasserstein Generative Adversarial Networks
(Master thesis, 2022)I løpet av det siste tiåret har maskinlæring og spesielt dyp læring utviklet seg til å bli et stadig mer brukt verktøy i de digitale tjenestene vi benytter oss av, som dermed gjør at de gjennomsyrer samfunnene og livene ... -
On closures for reduced order models— A spectrum of first-principle to machine-learned avenues
(Peer reviewed; Journal article, 2021)For over a century, reduced order models (ROMs) have been a fundamental discipline of theoretical fluid mechanics. Early examples include Galerkin models inspired by the Orr–Sommerfeld stability equation and numerous vortex ... -
On Collision Risk Assessment for Autonomous Ships Using Scenario-Based MPC
(Peer reviewed; Journal article, 2020)Collision Avoidance (COLAV) for autonomous ships is challenging since it relies on track estimates of nearby obstacles which are inherently uncertain in both state and intent. This uncertainty must be accounted for in the ... -
On compensation for wave-induced roll in dynamic positioning control
(Peer reviewed; Journal article, 2022)Dynamic positioning (DP) for station-keeping control keeps the position and heading of the vessel constant regardless of environmental disturbances from wind, waves and currents. If the point of interest on the vessel has ... -
On Course Towards Model-Free Guidance: A Self-Learning Approach To Dynamic Collision Avoidance for Autonomous Surface Vehicles
(Master thesis, 2020)I denne masteroppgåva vart det demonstrert at djup forsterkande læring (engelsk: Deep Reinforcement Learning / DRL) kan nyttast for å trena eit reaktivt, autonomt fartøy utstyrt med påmonterte avstandssensorar til å navigera ... -
On decomposition and piecewise linearization in petroleumproduction optimization
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:164, Doctoral thesis, 2011)Maintaining good or optimal operations of large and complex petroleum assets isnot a trivial task. There are numerous decisions to be made where many of thedecisions affects each other. Relying entirely on human interpretation ... -
On Estimating Forces and Torques in Manipulators
(Master thesis, 2020)Denne avhandlingen skal studere ulike moderne estimeringsmetoder for å estimere kraft og dreiemoment i robotmanipulatorer, samt å diskutere hvilke plattformer som er tilgjengelig for bruk og videre eksperiment ved Institutt ... -
On excessive transverse coordinates for orbital stabilization of periodic motions
(Peer reviewed; Journal article, 2020)This paper explores transverse coordinates for the purpose of orbitally stabilizing periodic motions of nonlinear control-affine dynamical systems. It is shown that the dynamics of any (minimal or excessive) set of transverse ... -
On gray-box modeling for virtual flow metering
(Journal article; Peer reviewed, 2021)A virtual flow meter (VFM) enables continuous prediction of flow rates in petroleum production systems. The predicted flow rates may aid the daily control and optimization of a petroleum asset. Gray-box modeling is an ... -
On implementation of the Preisach model identification and inversion for hysteresis compensation
(Peer reviewed; Journal article, 2015)A challenge for precise positioning in nanopositioning using smart materials is hysteresis, limiting posi-tioning accuracy. The Preisach model, based on the delayed relay operator for hysteresis modelling, isintroduced. ... -
On Kalman filtering with linear state equality constraints
(Journal article; Peer reviewed, 2019)This article is concerned with the state estimation problem for linear systems with linear state equality constraints. We re-examine constrained Kalman filter variations and propose an alternative derivation of the optimal ... -
On Model Predictive Path Following and Trajectory Tracking for Industrial Robots
(Journal article; Peer reviewed, 2017)In this article the model predictive path following controller and the model predictive trajectory tracking con-troller are compared for a robotic manipulator. We consider both the Runge-Kutta and collocation based ... -
On Modeling of a Ship Propulsion System for Control Purposes
(Master thesis, 2012)In this thesis a model of a ship propulsion system containing an engine, turbocharger, propeller and ship was constructed. The purpose of the model is to be used in controller design and testing. This is motivated by the ... -
On Multi-UAS Sea Ice Monitoring
(Doctoral theses at NTNU;2019:4, Doctoral thesis, 2019)Work in the polar regions of our planet is unavoidably linked with hazards such as drift ice. Increased presence, fueled by economic interests in the Arctic, has for several decades called for research in the field of ice ...