Autonomous Navigation in Confined Waters -- A COLREGs Rule 9 Compliant Framework

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Abstract

Fully or partial autonomous marine vessels are actively being developed by many industry actors. In many cases, the autonomous vessels will be operating close to shore, and within range of a Remote Control Center (RCC). Close to shore operation requires that the autonomous vessel is able to navigate in close proximity to other autonomous or manned vessels, and possibly in confined waters, while obeying the COLREGs on equal terms as any other vessel at sea. In confined waters however, certain COLREGs rules apply, which might alter the expected actions (give-way or stand-on), depending on the manoeuvrability of the vessels. This paper presents a Situation Awareness (SAS) framework for autonomous navigation that complies with COLREGs rule 9 (Narrow Channels). The proposed solution comprises a method for evaluating the manoeuvrability of a vessel in confined waters, for assessing the applicability of COLREGs rule 9. This feature is then integrated into an already existing SAS framework for facilitating COLREGs-compliant navigation in restricted waters. The applicability of the proposed method is demonstrated in simulation using a case study of a small autonomous passenger ferry.
Original languageEnglish
Title of host publicationProceedings of 14th IFAC Conference on Control Applications in Marine Systems, Robotics and Vehicles
Number of pages7
PublisherElsevier
Publication statusAccepted/In press - 2022
Event14th IFAC Conference on Control Applications in Marine Systems, Robotics and Vehicles - Technical University of Denmark, Kongens Lyngby, Denmark
Duration: 14 Sep 202216 Sep 2022
https://www.ifac-cams2022.dk/

Conference

Conference14th IFAC Conference on Control Applications in Marine Systems, Robotics and Vehicles
LocationTechnical University of Denmark
Country/TerritoryDenmark
CityKongens Lyngby
Period14/09/202216/09/2022
Internet address

Keywords

  • Situation awareness
  • COLREGs compliance
  • Rule 9
  • Confined waters

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