Browsing Institutt for teknisk kybernetikk by Title
Now showing items 3584-3603 of 3742
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Undersøkelse avkonnektivitet, energi forbruk og sanntids-egenskaper i et LoRa-nettverk, med vibrasjons-sensorer som bruksområde
(Master thesis, 2020)Distribuerte målesystem har blitt brukt i industrien i flere år og med stor suksess. Nye teknologier innenfor IoT åpner opp for nye løsninger i verdenen av kontroll og målesystemer. LoRaWAN er en av mange protokoller laget ... -
Undersøkelser og kartlegging av utfordringer ved Galtneset VBA
(Bachelor thesis, 2023)Denne oppgaven har vi kartlagt og undersøkt problemene ved Galtneset, et vannbehandlingsanlegg som bruker teknologien omvendt osmose for å produsere drikkvann fra sjøvann. Anlegget er eid og driftes av Træna kommune. ... -
Underwater Acoustic Positioning System for Real-time Fish Tracking
(Master thesis, 2016)This master thesis describes an implementation of an underwater acoustic positioning system for real-time fish tracking in large-scale aquaculture sea cages, as well as experimental tests conducted with system developed. ... -
Underwater Communication and Position Reference System - OC2020 A-034
(Research report, 2020)This report presents results obtained in the CageReporter project regarding the development of a low cost hydroacoustic subsea communication system adapted for use in fish cages. The report mainly addresses tasks regarding ... -
Underwater Incremental Surface Reconstruction from Dynamic 3D Point Clouds
(Master thesis, 2022)Autonome undervannsfarkoster (AUV-er) kan utvide vår tilgang til havene betydelig. For en AUV kan det være nødvendig å ha et kart omgivelsene for å gjennomføre noen typer oppgaver, som ruteplanlegging og kollisjonsunngåelse. ... -
Underwater Navigation of AUVs
(Master thesis, 2010)Designing and developing an autonomous underwater vehicle (AUV) that is capable of performing a diverse set of operations is challenging in many ways, and requires broad insight into many fields of research. This paper ... -
Underwater Pose Graph SLAM with DVL-Enhanced Visual Loop Closure for Future Aquaculture
(Master thesis, 2021)Denne masteroppgaven presenterer en metode for å løse lokaliserings- og kartleggingsproblemet (SLAM) for en fjernstyrt undervannsfarkost (ROV) i en merde. Dette problemet er løst ved å bruke en poseringsgraf-SLAM-algoritme ... -
Underwater Position and Attitude Estimation Using Acoustic, Inertial, and Depth Measurements
(Peer reviewed; Journal article, 2019)This article considers the problem of constructing an observer for estimating position, velocity, attitude, underwater wave speed, rate sensor bias, and accelerometer bias that has both proven stability and close-to-optimal ... -
Underwater recording and beamforming methods applicable for suppressing surface sounds from aquaculture facilities
(Master thesis, 2020)Nylig økt fokus på produksjonseffektivitet og fiskevelferd har skapt behovet for ny teknologi for å overvåke statusen til fisk under forskjellige driftsforhold innen fiskeoppdett. Innspillinger av kjente retningsbestemte ... -
Underwater Robotics - Fluid Parameter Identification for Modelling of Underwater Snake Robots
(Master thesis, 2017)Unmanned underwater vehicles are being increasingly used for subsea maintenance, inspection and repair. Development of underwater snake robots show promising results towards extending the capabilities of traditional unmanned ... -
Underwater Robotics: control of marine manipulator-vehicle systems
(Master thesis, 2014)For using underwater vehicle-manipulator systems (UVMS) in a challenging envi-ronment, it is important to have a good mathematical description of the systemwhich accounts for disturbances such as ocean currents. The dynamics ... -
Underwater short distance sensor testing for perception and collision avoidance for vehicle moving along ship hull
(Master thesis, 2021)Abstract will be available on 2024-05-31 -
Underwater snake robots in vortex wakes: Energy harvesting and position control
(Master thesis, 2020)Denne oppgaven utforsker mulighetene for bruk av bølgebevegelser til energisamling. Ved å utnytte virvlene som oppstår bak en sylinder er målet å oppnå energiautonomitet i artikulerte intervensjons-autonome undervannsfarkoster ... -
Underwater Wildlife Monitoring Stations
(Bachelor thesis, 2024)Planeten vår er i konstant endring, og menneskelig påvirkning har store konsekvenser for økosystemer over hele kloden. For å sikre bærekraftige kystsamfunn, bevare havets økosystemer og støtte bærekraftig økonomi er det ... -
Uniform Practical Asymptotic Stability for Position Control of Underwater Snake Robots
(Chapter, 2022)In this paper, Lyapunov theory for uniform practical asymptotic stability (UPAS) is presented and utilized to solve the problem of position control of a planar underwater snake robot (USR). First, a precise definition of ... -
Uniform Practical Asymptotic Stability for Position Control of Underwater Snake Robots
(Journal article, 2022)In this paper, Lyapunov theory for uniform practical asymptotic stability (UPAS) is presented and utilized to solve the problem of position control of a planar underwater snake robot (USR). First, a precise definition of ... -
Uniform Practical Asymptotic Stability for Position Control of Underwater Snake Robots
(Journal article; Peer reviewed, 2023)In this article, the Lyapunov theory for uniform practical asymptotic stability (UPAS) is presented and utilized to solve the problem of position control of a planar underwater snake robot (USR). First sufficient conditions ... -
Uniform semiglobal exponential stability of integral line-of-sight guidance laws
(Elsevier IFAC Publications / IFAC Proceedings series;, Journal article; Peer reviewed, 2015)This paper proves that an integral line-of-sight guidance law for path following control of underactuated marine vessels provides uniform semiglobal exponential stability. The stability result is stronger than what has ... -
A Uniform Semiglobal Exponential Stable Adaptive Line-of-Sight (ALOS) Guidance Law for 3-D Path Following
(Peer reviewed; Journal article, 2024)This paper presents a 3-D adaptive line-of-sight (ALOS) path-following algorithm for autonomous vehicles, marine craft, and aircraft. The origins of the cross- and vertical-track errors are proven to be uniform semiglobal ... -
Uniformly semiglobally exponential stability of vector field guidance law and autopilot for path-following
(Journal article, 2019)A uniform semiglobal exponential stability (USGES) proof for a time-varying vector field guidance law used for path-following control of vehicles is presented. A sliding mode control is introduced for heading autopilot ...