Blar i NTNU Open på forfatter "Grefstad, Ørjan"

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    • Development of an Obstacle Detection and Avoidance System for ROV 

      Grefstad, Ørjan (Master thesis, 2018)
      Unmanned underwater vehicles, such as remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs) are commonly used for inspection, maintenance and repair (IMR) missions in the oil and gas industry. This ...

    • Navigation and collision avoidance of underwater vehicles using sonar data 

      Grefstad, Ørjan; Schjølberg, Ingrid (Journal article; Peer reviewed, 2018)
      Collision avoidance is one of the main challenges in the field of autonomous underwater vehicles (AUV). In this paper a method for detecting obstacles is proposed, using a single-beam mechanically scanning sonar, including ...