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Abstract
Selected COLREG rules, good seamanship and sheer common sense indicate that it is in a sailboat's interest to follow collision-free routes without relying on large power-driven ships to give way. Until now, however, no method has integrated a sailboat's weather routing with collision risk monitoring and collision avoidance. Therefore, a new deterministic approach to combine the above features within one method is introduced here. The proposed method is based on Dijkstra's algorithm, where edges may be temporarily removed due to the presence of other ships. This paper presents a design of the main weather routing algorithm and the collision risk monitoring part, which applies an elliptic domain generated automatically around the target and dependent on the target's length. The method has been implemented and tested in a series of computer simulations. The results are provided and discussed here. They confirm the method's effectiveness in terms of determining collision-risk-free routes, as well as its acceptable computational time. They also show how the latter can be shortened at the cost of obtaining suboptimal routes. Finally, they emphasize the importance of considering successive weather forecasts, risk monitoring and route updates.
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ress.2022.109015
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
RELIABILITY ENGINEERING & SYSTEM SAFETY
no. 232,
ISSN: 0951-8320 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Życzkowski M., Szłapczyński R.: Collision Risk-Informed Weather Routing for Sailboats// RELIABILITY ENGINEERING & SYSTEM SAFETY -Vol. 232, (2023), s.109015-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ress.2022.109015
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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