• Autonomous ROV inspections of aquaculture net pens using DVL 

      Amundsen, Herman Biørn; Caharija, Walter; Pettersen, Kristin Ytterstad (Peer reviewed; Journal article, 2021)
      This article presents a method for guiding a remotely operated vehicle (ROV) to autonomously traverse an aquaculture net pen. The method is based on measurements from a Doppler velocity log (DVL) and uses the measured ...
    • 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 ...