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Forbedringer av en motorkontroller i en Formula Student racerbil
(Master thesis, 2022)Denne oppgaven ser på forbedringer av motorstyringsalgoritmen som brukes i vekselretteren til Revolve NTNU's Formula Student racerbil. Et litteraturstudie på mulige forbedringer ble gjort, og det ble foreslått et forbedret ... -
Forceful Aerial Manipulation Based on an Aerial Robotic Chain: Hybrid Modeling and Control
(Peer reviewed; Journal article, 2021)This letter presents the system design, modeling, and control of the Aerial Robotic Chain Manipulator. This new robot design offers the potential to exert strong forces and moments on the environment, carry and lift ... -
Forecasting Multivariate Time Series Data Using Neural Networks
(Master thesis, 2018)Over the last few years, neural networks have become extremely popular, and their usage is increasing rapidly. This project has investigated the use of neural networks for one-step time series forecasting on highly random ... -
Form Closure For Fully Actuated and Robust Obstacle-Aided locomotion in Snake Robots
(Peer reviewed; Journal article, 2023)In this letter we adapt the theory of form closure to define the form closed region: The subset of a snake robot's configuration space for which the constraints imposed by the obstacles in its environment render the system ... -
Formal Methods for System Development
(Master thesis, 2009)Two main types of formal methods have been investigated, formal specification and formal verification. Focus for formal verification has been on the concept of un-timed model checking. Some dominating formal specification ... -
Formalising Nondeterministic Communication in Wireless Sensor Networks Using CSP
(Chapter, 2021)Using communicating sequential processes (CSP), this paper presents a model for wireless sensor networks (WSNs) to be used for formal verification of communication reliability in mesh networks. Process models are derived ... -
Formation Control of Two Interconnected Underactuated Unmanned Surface Vessels Under Influence of Constant Ocean Currents
(Master thesis, 2020)I denne oppgaven blir en mulig formasjonsstyringsmetode foreslått for autonom minerydding for den neste generasjonen av mineryddere for Sjøforsvaret, som for øyeblikket er under utvikling av Forsvarets Forskningsinstitutt ... -
Formation Control of Underactuated Bio-inspired Snake Robots
(Journal article; Peer reviewed, 2016)This paper considers formation control of snake robots. In particular, based on a simplified locomotion model, and using the method of virtual holonomic constraints, we control the body shape of the robot to a desired gait ... -
Formation Control of Underactuated Marine Vehicles with Communication Constraints
(Journal article, 2006)In this paper, we propose a nonlinear coordination control scheme for formation control of a group of underactuated marine vehicles with communication topology constraints. In particular, we propose decentralized control ... -
Formation Path Following Control of Underactuated USVs
(Peer reviewed; Journal article, 2021)This paper proposes a formation control method for two underactuated unmanned surface vessels (USVs) to follow curved paths in the presence of ocean currents. By uniting a line-of-sight (LOS) guidance law and the ... -
Formation Path Following of Autonomous Underwater Vehicles using the Second-Order Null-Space-Based Behavioral Algorithm
(Master thesis, 2023)Denne oppgaven presenterer en ny styringsmetode for formasjonsbanefølging med autonome undervannsfartøy ved hjelp av en andreordens nullromsbasert atferdsmetode. Autonome undervannsfartøy byr på unike utfordringer innen ... -
Fornybar Energi og Energilagring for Gaia Salmon på Træna
(Bachelor thesis, 2023)Prosjektet utforsker anvendelsen av fornybar energiproduksjon og energilagring for Gaia Salmons landbaserte oppdrettsanlegg for postsmolt på Træna. Området er kjent for krevende værforhold, og har begrenset strømtilførsel ... -
Forward sensitivity approach for estimating eddy viscosity closures in nonlinear model reduction
(Peer reviewed; Journal article, 2020)In this paper, we propose a variational approach to estimate eddy viscosity using forward sensitivity method (FSM) for closure modeling in nonlinear reduced order models. FSM is a data assimilation technique that blends ... -
Fôrleveranse til oppdrettsanlegg Demonstrasjon DINO – Dynamiske informasjonssystem for operativ beslutningsstøtte i kystsonen
(Research report, 2012)Rapporten beskriver planlegging og gjennomføringen av en tenkt forleveranse til ACE sitt oppdrettsanlegg på Tristein. Hensikten var å vise hvordan teknologi og beslutningsstøttesystem, som er videreutviklet i prosjektet, ... -
FPGA based motor controller with sensorless control, used for electrical fuel pumps with high rotational frequency
(Master thesis, 2021)Abstract will be available on 2024-06-14 -
FPGA Based Real-time Systems Tester
(Master thesis, 2015)The solution this project presents is a low-cost and platform independent system for testing real-time systems. Due to the lack of similar solutions, university labs, like the real-time systems lab of subject TTK4147, uses ... -
Fractal Analysis and Its Application on Time-Series Data - An Innovative Method for Condition Monitoring of Hole Cleaning Operations
(Master thesis, 2022)Innenfor hullrensing i oljeboring bransjen, har ny og moderne utvikling av sensorer gjort det mulig å monitorere tilstanden til en boring- og renseoperasjon mens den er i drift. Dette medfører en stor mengde data som kan ... -
Fractional-order Control: Nyquist Constrained Optimization
(Peer reviewed; Journal article, 2020)The adoption of fractional calculus in control systems has enabled the synthesis of new controllers with fractional-order derivatives and integrals. Several optimization-based methods for tuning of linear fractional-order ... -
Fragmentation, Centralisation and Policy Learning: An Example from China’s Wind Industry
(Journal article; Peer reviewed, 2014)This paper seeks to understand what government mechanisms have allowed China’s wind industry to grow as fast as it has over the past ten years. Instead of formal rules and regulations, this paper focuses on specific ... -
Frame invariant neural network closures for Kraichnan turbulence
(Peer reviewed; Journal article, 2022)Numerical simulations of geophysical and atmospheric flows have to rely on parameterizations of subgrid scale processes due to their limited spatial resolution. Despite substantial progress in developing parameterization ...