Blar i NTNU Open på forfatter "Føre, Martin"
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Heart rate and swimming activity as indicators of post-surgical recovery time of Atlantic salmon (Salmo salar)
Føre, Martin; Svendsen, Eirik; Økland, Finn; Gräns, Albin; Alfredsen, Jo Arve; Finstad, Bengt; Hedger, Richard David; Uglem, Ingebrigt (Peer reviewed; Journal article, 2021)Background Fish telemetry using electronic transmitter or data storage tags has become a common method for studying free-swimming fish both in the wild and in aquaculture. However, fish used in telemetry studies must be ... -
Heart rate and swimming activity as stress indicators for Atlantic salmon (Salmo salar)
Svendsen, Eirik; Føre, Martin; Økland, Finn; Gräns, Albin; Hedger, Richard David; Alfredsen, Jo Arve; Uglem, Ingebrigt; Rosten, Carolyn; Frank, Kevin; Erikson, Ulf Gøran; Finstad, Bengt (Peer reviewed; Journal article, 2020)We investigated the relationship between telemetry measurements of heart rate and swimming activity and the physiological status in farmed Atlantic salmon (Salmo salar) to assess the potential to use telemetry measurements ... -
Identification of spectral signature for in situ real-time monitoring of smoltification
Svendsen, Eirik; Volent, Zsolt; Schellewald, Christian; Tsarau, Andrei; Bjorgan, Asgeir; Venås, Birger; Bloecher, Nina; Bondø, Morten Steen; Føre, Martin; Jónsdóttir, Kristbjörg Edda; Stefansson, Sigurd Olav (Peer reviewed; Journal article, 2021)We describe the use of an optical hyperspectral sensing technique to identify the smoltification status of Atlantic salmon (Salmo salar) based on spectral signatures, thus potentially providing smolt producers with an ... -
Implantable sensing technologies for monitoring of behavioural and physiological dynamics in farmed Atlantic salmon
Svendsen, Eirik (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 ... -
Individual based modelling and observation of Atlantic salmon (Salmo salar L.) behaviour in sea cages
Føre, Martin (Doktoravhandlinger ved NTNU, 1503-8181; 2011:322, Doctoral thesis, 2011)To develop safe and efficient cage management strategies for marine Atlantic salmon farming it is of paramount importance to understand how the fish behave in response to the culture environment. Most behavioural information ... -
An integrated approach for monitoring structural deformation of aquaculture net cages
Su, Biao; Kelasidi, Eleni; Frank, Kevin; Haugen, Joakim; Føre, Martin; Pedersen, Magnus Oshaug (Peer reviewed; Journal article, 2021)The majority of present marine finfish production is conducted in flexible net cages which can deform when they are subjected to water movements generated by currents. The ability to monitor net deformation is important ... -
Internet of Fish: Integration of acoustic telemetry with LPWAN for efficient real-time monitoring of fish in marine farms
Hassan, Waseem; Føre, Martin; Ulvund, John Birger; Alfredsen, Jo Arve (Journal article; Peer reviewed, 2019)The aim of this study was to develop and test the feasibility of a concept called Internet of Fish (IoF). State-of-the-art acoustic telemetry systems could enable farmers to acquire behavioural data of fish in fish farms, ... -
Kalman estimation of position and velocity for ReaTHM testing applications
Mehammer, Eirill Bachmann; Føre, Martin; Sauder, Thomas Michel; Chabaud, Valentin Bruno; Parisini, Thomas (Journal article; Peer reviewed, 2018)Offshore wind power research is a rapidly growing field, because of the present climate crisis and increasing focus on renewable energy. Model testing plays an important role in the risk and cost analysis associated with ... -
Machine learning for identification of individual salmon behaviour in aquaculture
Smedshaug, Even Åge (Master thesis, 2023)The modern aquaculture industry suffers from low observability and control of conditions in the aquaculture cages. In order to better understand fish behaviour in both normal and stressful conditions, more knowledge of ... -
Method for Real-Time Hybrid Model Testing of Ocean Structures - Case Study on Slender Marine Systems
Vilsen, Stefan Arenfeldt (Doctoral theses at NTNU;2019:166, Doctoral thesis, 2019) -
Method for Real-Time Hybrid Model Testing of ocean structures: Case study on horizontal mooring systems
Vilsen, Stefan Arenfeldt; Sauder, Thomas Michel; Sørensen, Asgeir Johan; Føre, Martin (Journal article; Peer reviewed, 2019)This paper presents a method for Real-Time Hybrid Model testing (ReaTHM testing) of ocean structures. ReaTHM testing is an extension to traditional hydrodynamic model-scale testing, where the system under study is partitioned ... -
Model Predictive Control-based Path-planning and Obstacle Avoidance for Real-Time Safe Underwater Operations
Olsen, Torben (Master thesis, 2023)Bane planleggning under vann muliggjør sikker og effektiv navigering i komplekse miljøer for autonome undervannsfartøy (AUV-er), noe som er avgjørende ved drift innenfor akvakultur. Denne oppgaven har som mål å utvikle og ... -
Modeling and control of underwater snake robots for operations in dynamically changing environments
Gjerden, Marie Skogstrand (Master thesis, 2023)In this thesis, a complex three-dimensional (3D) model of underwater snake robots (USR) in closed form has been investigated and implemented. The 3D model includes hydrodynamic effects such as linear and nonlinear drag ... -
Modelling how the physical scale of experimental tanks affects salmon growth performance
Føre, Martin; Alver, Morten; Alfredsen, Jo Arve; Senneset, Gunnar; Espmark, Åsa Maria Olofsdotter; Terjesen, Bendik Fyhn (Journal article; Peer reviewed, 2018)In this study, we explored the potential of using mathematical models for studying the effects of physical scale of production units on the growth performance of Atlantic salmon (Salmo salar L.). Atlantic salmon are typically ... -
New concept for measuring swimming speed of free-ranging fish using acoustic telemetry and Doppler analysis
Hassan, Waseem; Føre, Martin; Urke, Henning Andre; Ulvund, John Birger; Bendiksen, Eskil; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2022)A novel technique for measuring individual fish swimming speed based on conventional acoustic telemetry and Doppler analysis was tested with live tagged fish in a field experiment at a fish farm. The aim of the experiment ... -
The New Era of Physio-Logging and Their Grand Challenges
Fahlman, Andreas; Aoki, Kagari; Bale, Gemma; Brijs, Jeroen; Chon, Ki H.; Drummond, Colin; Føre, Martin; Manteca, Xavier; McDonald, Birgitte I.; McKnight, J. Chris; Sakamoto, Kentaro Q.; Suzuki, Ippei; Jordana Rivero, M; Ropert-Coudert, Yan; Wisniewska, Danuta M. (Peer reviewed; Journal article, 2021) -
A new method for measuring free-ranging fish swimming speed in commercial marine farms using Doppler principle
Hassan, Waseem; Føre, Martin; Pedersen, Magnus Oshaug; Alfredsen, Jo Arve (Journal article; Peer reviewed, 2020)A novel Doppler shift based technique for measurement of free-swimming fish speed in marine farms using acoustic telemetry tags was developed and evaluated in this study. The proposed method can potentially augment current ... -
Novel tag-based method for measuring tailbeat frequency and variations in amplitude in fish
Warren-Myers, F.; Svendsen, Eirik; Føre, Martin; Folkedal, Ole; Oppedal, Frode; Hvas, Malthe (Peer reviewed; Journal article, 2023)The tailbeat frequency (TBF) together with tailbeat amplitude (TBA) of fish are tightly correlated with swimming speed. In addition, these parameters can be used as indicators of metabolic rate and general activity level, ... -
Numerical Models in Real-Time Hybrid Model Testing of Slender Marine Systems
Vilsen, Stefan Arenfeldt; Føre, Martin; Sørensen, Asgeir Johan (Chapter, 2017)This paper presents a study of numerical models used in Real-Time Hybrid Model (ReaTHM) testing, conducted in a still water basin at SINTEF Ocean. ReaTHM testing is a method where a system is divided into physical and ... -
Optical measurement of tissue perfusion changes as an alternative to electrocardiography for heart rate monitoring in Atlantic salmon (Salmo salar)
Svendsen, Eirik; Økland, Finn; Føre, Martin; Randeberg, Lise Lyngsnes; Finstad, Bengt; Olsen, Rolf Erik; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2021)Background: Welfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses ...