Browsing NTNU Open by Author "Føre, Martin"
Now showing items 1-20 of 63
-
A New Stereo Vision Method for Tail Beat Analysis in Farmed Atlantic Salmon
Müller, Elise Gulløy (Master thesis, 2024)Hvert år dør en betydelig andel av laksen i oppdrettsanlegg. For å forbedre fiskevelferden er det behov for mer kunnskap om stressfaktorer og fiskens respons på disse. Dagens metoder for å samle inn denne informasjonen ... -
A novel Doppler based speed measurement technique for individual free-ranging fish
Hassan, Waseem; Føre, Martin; Pedersen, Magnus Oshaug; Alfredsen, Jo Arve (Chapter, 2019)A novel Doppler based speed measurement technique for free-ranging acoustically tagged fish was developed and validated through a field experiment in a marine aquaculture farm. For emulated swimming speeds in the range ... -
Adaptive motion planning and path following for permanent resident biofouling prevention robot operating in fish farms
Føre, Martin; Fjæra, Sverre; Ohrem, Sveinung Johan; Kelasidi, Eleni; Bloecher, Nina; Amundsen, Herman Biørn (Journal article, 2022)This paper presents a study where the potential of achieving autonomous net cleaning operations in commercial net pens is demonstrated through numerical simulations. Specifically, we investigated solutions for coping with ... -
Assimilering av sonardata med matematiske modeller av fiskeatferd i oppdrettsmerder
Myrberg, Sondre (Master thesis, 2019)En viktig del av det å drive med oppdrett er å ha kontroll på tilstanden i merden. Ekkolodd er et hjelpemiddel for å overvåke og følge med på hva som skjer under overflaten, men hva slags informasjon gir egentlig et ekkolodd, ... -
Automating Tank Operations in Smolt Production - Control of an Underwater Manipulator
Nissen, Oscar (Master thesis, 2021)Formålet med denne master oppgaven var å utlede en matematisk modell av en robotarm (manipulator) til bruk for automatisering av identifiserte operasjoner innen smolt produksjonsanlegg. Arbeidet er utført som en del av en ... -
Automating tank operations in smolt production – A concept study for automating tank cleaning using robotic arms
Hofset Skeide, Pål (Master thesis, 2020)Denne oppgaven tar sikte på å utforske muligheten for å bruke et nytt mobilt robot system for å automatisere identifiserte operasjoner i smoltproduksjonsanlegg. Arbeidet er gjort som en del av en masteroppgave ved NTNU ... -
Autonomous Monitoring and Inspection Operations with UUVs in Fish Farms
Kelasidi, Eleni; Su, Biao; Caharija, Walter; Føre, Martin; Pedersen, Magnus Oshaug; Frank, Kevin (Peer reviewed; Journal article, 2022)In this study, a general control framework for autonomous operations in highly complex and dynamically changing environments such as fish farms is proposed and experimentally validated. Since fish farms feature an environment ... -
Autonomous Monitoring and Inspection Operations with UUVs in Fish Farms
Kelasidi, Eleni; Su, Biao; Caharija, Walter; Føre, Martin; Pedersen, Magnus Oshaug; Frank, Kevin (Peer reviewed; Journal article, 2022)In this study, a general control framework for autonomous operations in highly complex and dynamically changing environments such as fish farms is proposed and experimentally validated. Since fish farms feature an environment ... -
Bio-sensing technologies in aquaculture:how remote monitoring can bring us closer to our farm animals
Brijs, Jeroen; Føre, Martin; Gräns, Albin; Clark, Timothy D.; Axelsson, Michael; Johansen, Jacob L (Peer reviewed; Journal article, 2021) -
Biomonitoring using tagged sentinel fish and acoustic telemetry in commercial salmon aquaculture: A feasibility study
Føre, Martin; Frank, Kevin; Dempster, T; Alfredsen, Jo Arve; Høy, Erik (Journal article; Peer reviewed, 2017)We tested if it is technically feasible to monitor fish in real-time in full-scale commercial fish farms using acoustic telemetry. 31 Atlantic salmon were equipped with acoustic transmitter tags containing depth sensors. ... -
Computer Vision for Automatic Assessment of Fish Mortality Causes in Commercial Fish Farms
Haugen, Ingvild Rustad (Master thesis, 2023)Denne masteroppgaven er utarbeidet med hensikt å bidra til å lage en fotoboks for analyse av dødfisk ved hjelp av datasyn fra oppdrettsanlegg for laks. Dagens forskning har i liten grad viet oppmerksomhet til dypere ... -
Control Strategies for Autonomous Net Cleaning Operations using Underwater Robotic System
Seehuus, Håvard Løvseth (Master thesis, 2020)Motivert av utfordringer innen havbruksnæringen kunnet til uønsket begroing vil denne oppgave fokusere på løsninger innen robotikk for håndtering av begroing. Ved å finne nye løsninger for å hindre store ansamlinger av ... -
Controller Analysis in Real-Time Hybrid Model Testing of an Offshore Floating System
Vilsen, Stefan Arenfeldt; Sauder, Thomas Michel; Føre, Martin; Sørensen, Asgeir Johan (Chapter, 2018)This paper presents an experimental study using Real-Time Hybrid Model (ReaTHM) testing of a moored floating cylindrical buoy, conducted in a wave basin. ReaTHM testing is a method for studying the dynamics of marine ... -
Data for characterization of the optical properties of Atlantic salmon (Salmo salar) blood
Svendsen, Eirik; Randeberg, Lise Lyngsnes; Føre, Martin; Finstad, Bengt; Olsen, Rolf-Erik; Bloecher, Nina; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2023)Photoplethysmography is a recent addition to physio-logging in Atlantic salmon which can be used for pulse oximetry provided that the properties for light propagation in salmon tissues are known. In this work, optical ... -
Deep Learning Approaches for Real-Time Fish Perception in Aquaculture
O'Brien, Emilia (Master thesis, 2024)Hovedfokuset i denne masteroppgaven er å utforske dyp-læringsbaserte metoder for å utvikle et sanntidsdyktig maskinsynsystem som er egnet for bruk i industrielle fiskeoppdrettsmiljøer. Dette systemet kan muliggjøre betydelige ... -
Design of a novel biosensor implant for farmed Atlantic salmon (Salmo salar)
Svendsen, Eirik; Føre, Martin; Randeberg, Lise Lyngsnes; Alfredsen, Jo Arve (Chapter, 2021)Accessing the welfare status of animals in salmon farming is a challenge due to the large production scale and limited diversity of technologies available to quantify individuals’ behavioural and physiological parameters. ... -
Detection of a stress related acoustic signature by passive acoustic monitoring in Atlantic salmon farming
Jónsdóttir, Kristbjörg Edda; Mathiassen, John Reidar Bartle; Svendsen, Eirik Starheim; Rosten, Carolyn; Bloecher, Nina; Føre, Martin; Olsen, Rolf Erik; Finstad, Bengt; Volent, Zsolt (Peer reviewed; Journal article, 2024)Crowding is a necessary operation for moving fish out of or between sea cages in Atlantic salmon farming. These operations consist of gradually reducing available volume in the nets to increase the biomass density. This ... -
Digital Twins in intensive aquaculture — Challenges, opportunities and future prospects
Føre, Martin; Alver, Morten Omholt; Alfredsen, Jo Arve; Rasheed, Adil; Hukkelås, Thor; Bjelland, Hans Vanhauwaert; Su, Biao; Ohrem, Sveinung Johan; Kelasidi, Eleni; Norton, Tomas; Papandroulakis, Nikos (Peer reviewed; Journal article, 2024)Digital Twin technology has emerged to become a key enabling technology in the ongoing transition into Industry 4.0. A Digital Twin is in essence a digital representation of an asset that provides better insight into its ... -
Dynamic Positioning for ROV Operating in Fish Farms
Drozdik, Ron (Master thesis, 2015)The usages of Remotely Operated Unmanned Underwater Vehicles (ROVs') for inspection of marine structures is today an essential part of the offshore industry. However, in the case of inspection of fish farms, the ROV has ... -
ECG augmented pulse oximetry in Atlantic salmon (Salmo salar)—A pilot study
Svendsen, Eirik; Føre, Martin; Randeberg, Lise Lyngsnes; Olsen, Rolf-Erik; Finstad, Bengt; Remen, Mette; Bloecher, Nina; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2023)Understanding the tolerance limits of fish is crucial for developing aquaculture operations that ensure good animal welfare. However, there exist little data describing the physiological responses in farmed Atlantic salmon, ...