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Showing result 1 - 5 of 6 essays matching the above criteria.

  1. 1. RoBuoy : Dynamic Positioning of an Autonomous Buoy using GNSS

    University essay from KTH/Mekatronik

    Author : Erik Anderberg; Martin Olanders; [2021]
    Keywords : Autonomous; Buoy; GPS; GNSS; Robot; Mechatronics; Dynamic positioning; Autonom; Boj; GPS; GNSS; Robot; Mekatronik; Dynamisk positionering;

    Abstract : Buoys anchored to the seabed are often used for marking courses in competitive sailing and other water sports, but they may need to be relocated several times per day. To avoid the time and fuel consuming labour of raising and moving the anchors, a prototype of an autonomous buoy using electric motors to maintain its position was built and tested. READ MORE

  3. 2. Trapping efficiency and retention ability of four pontoon trap entrance types for use in coastal cod fishing, a fishing gear development field trial in the Baltic sea

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Nils Nyquist; [2019]
    Keywords : cod; pontoon trap; entrance type; coastal fisheries; video analysis; BORIS;

    Abstract : As the Baltic Sea cod gets smaller both in number and size, and the grey seal population continues to increase, the need for alternative fishing methods in coastal fisheries increases. In this project one commercially used and three experimental pontoon trap entrances are tested with the objective to investigate if there are differences in trapping efficiency and retention ability when fishing for cod. READ MORE

  4. 3. Optimizing pontoon spacing for floating bridge over Bjørnafjorden

    University essay from Lunds universitet/Avdelningen för Konstruktionsteknik

    Author : Josefin Havnevik Giske; [2019]
    Keywords : Technology and Engineering;

    Abstract : .... READ MORE

  5. 4. Concept Study and Design ofFloating Offshore Wind TurbineSupport Structure

    University essay from KTH/Marina system

    Author : Markus Johannessen; [2018]
    Keywords : ;

    Abstract : There is a need for renewable energy sources that can replace the non-renewable energy sourcesthat we use today. This is on the agenda as one of the United Nations sustainable developmentgoals. Embracing new technologies is addressed as one of the ways of achieving aordable,reliable, sustainable and modern energy for all. READ MORE

  6. 5. Fatigue Analysis of Mooring Lines in Floating Bridges : Influence of Line Configuration and Water Depth in a Case Study in Bjørnafjorden

    University essay from KTH/Bro- och stålbyggnad

    Author : Borja Balbastre Camarena; [2017]
    Keywords : Floating bridge; E39 project; Fatigue Damage Evaluation; Mooring Lines; Pontoon; ANSYS.;

    Abstract : Nowadays, the Norwegian Public Roads Administration plans to replace the ferry connections along the western coast of Norway with fixed road connections through the coastal highway E39 project. Due to the necessity of bridging long distances with considerable depths, non-conventional engineering solutions are being developed. READ MORE