A method to identify and rank objects and hazardous interactions affecting autonomous ships navigation

Bolbot, Victor and Theotokatos, Gerasimos and Wennersberg, Lars Andreas (2022) A method to identify and rank objects and hazardous interactions affecting autonomous ships navigation. The Journal of Navigation, 75 (3). pp. 572-593. ISSN 0373-4633 (https://doi.org/10.1017/S0373463322000121)

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Abstract

The Autonomous Navigation System (ANS) constitutes a critical key enabling technology required for operating Maritime Autonomous Surface Ships (MASS). To assure the safety of MASS operations, the effective identification of potential objects and target ships interacting with the own MASS is quintessential. This study proposes a systematic method to identify the items interacting with the own MASS. This method is based on a similar approach previously employed for the encountering items' identification in robotics, which is customised herein for the MASS needs. The developed method is applied to a short-sea shipping MASS. The environmental features, agents and objects related to her navigation are identified and ranked based on the frequency of encounter and the potential collision consequences. The results demonstrate the ability of the method to identify additional items in comparison to Automatic Identification System based data. The interactions with the small ships are considered as the most critical, due to their potential accidental consequences and their exhibited high frequency of encounter. This study results are employed to support the ANS design and testing of the investigated ship.

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