Blar i SINTEF Open på forfatter "Ohrem, Sveinung Johan"

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    • Robust adaptive backstepping DP control of ROVs 

      Ohrem, Sveinung Johan; Amundsen, Herman Biørn; Caharija, Walter; Holden, Christian (Peer reviewed; Journal article, 2022)
      Dynamic positioning is an important control feature for an underwater remotely operated vehicle. This paper presents a nonlinear dynamic positioning controller suited for application to vehicles with model uncertainties, ...

    • ROV Navigation in a Fish Cage with Laser-Camera Triangulation 

      Bjerkeng, Magnus Christian; Kirkhus, Trine; Caharija, Walter; Thielemann, Jens T; Amundsen, Herman Biørn; Ohrem, Sveinung Johan; Grøtli, Esten Ingar (Peer reviewed; Journal article, 2021)
      Aquaculture net cage inspection and maintenance is a central issue in fish farming. Inspection using autonomous underwater vehicles is a promising solution. This paper proposes laser-camera triangulation for pose estimation ...

    • Seatonomy applied in operational analysis of an autonomous net cleaning robot - NetClean 24/7 report for work package H1.1: Operational analysis and overall system design 

      Ohrem, Sveinung Johan; Kelasidi, Eleni; Bloecher, Nina (SINTEF rapport;2022:01107 A, Research report, 2022-09-23)
      This report presents an analysis of the autonomous cleaning operations handled in the NetClean 24/7 project. The analysis was conducted using the Autonomous Job Analysis (AJA) concept introduced in the Seatonomy method. ...

    • Towards Improved Visualization and Optimization of Aquaculture Production Process 

      Saad, Aya; Nissen, Oscar; Eilertsen, Espen; Bjørnson, Finn Olav; Norheim Hagtun, Tore; Aspaas, Odd Gunnar; Artemis Baikas, Alexia; Ohrem, Sveinung Johan (Peer reviewed; Journal article, 2022)
      Aquaculture is one of the largest, and fastest growing industries in Norway. Recently, the industry has experienced significant development in the daily operations acquiring new technologies and systems that capture data ...