Ship route planning for collision avoidance based on the improved isochrone method
If ship navigators could access precise collision risk data and guidance for avoidance, safer navigation would be feasible. This study introduces a method for devising avoidance routes based on quantitative collision risk assessment. In particular, we propose an improved isochrone method, a cell-fre...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | International Journal of Naval Architecture and Ocean Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2092678224000323 |
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| _version_ | 1850242799953248256 |
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| author | Jisang Ha Myung-Il Roh Hye-Won Lee |
| author_facet | Jisang Ha Myung-Il Roh Hye-Won Lee |
| author_sort | Jisang Ha |
| collection | DOAJ |
| description | If ship navigators could access precise collision risk data and guidance for avoidance, safer navigation would be feasible. This study introduces a method for devising avoidance routes based on quantitative collision risk assessment. In particular, we propose an improved isochrone method, a cell-free approach akin to real ship navigation routes. The method uses a novel heuristic function to ensure effective collision avoidance, even in scenarios where conventional heuristic algorithms fail. Through verification cases, we demonstrate that the proposed method successfully avoided collisions, even in situations with unexpected lined-up ships, reducing maximum collision risk by up to 94.0%. Applications of the proposed method with actual AIS (Automatic Identification System) data yield simulation results with successful collision avoidance route planning. Comparing the proposed method to avoidance routes using other existing methods and to the actual ship's route, the proposed method was able to plan a route with a 37.5% improvement in maximum collision risk and a 13.6% improvement in average collision risk. |
| format | Article |
| id | doaj-art-3bb0fa21eb614774b8975b76dddf98eb |
| institution | OA Journals |
| issn | 2092-6782 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Naval Architecture and Ocean Engineering |
| spelling | doaj-art-3bb0fa21eb614774b8975b76dddf98eb2025-08-20T02:00:12ZengElsevierInternational Journal of Naval Architecture and Ocean Engineering2092-67822024-01-011610061310.1016/j.ijnaoe.2024.100613Ship route planning for collision avoidance based on the improved isochrone methodJisang Ha0Myung-Il Roh1Hye-Won Lee2Department of Ocean Operations and Civil Engineering, Norwegian University of Science and Technology, Ålesund, NorwayDepartment of Naval Architecture and Ocean Engineering, and Research Institute of Marine Systems Engineering, Seoul National University, Seoul, Republic of Korea; Corresponding author.Division of Naval Architecture and Ocean Systems Engineering, Korea Maritime and Ocean University, Busan, Republic of KoreaIf ship navigators could access precise collision risk data and guidance for avoidance, safer navigation would be feasible. This study introduces a method for devising avoidance routes based on quantitative collision risk assessment. In particular, we propose an improved isochrone method, a cell-free approach akin to real ship navigation routes. The method uses a novel heuristic function to ensure effective collision avoidance, even in scenarios where conventional heuristic algorithms fail. Through verification cases, we demonstrate that the proposed method successfully avoided collisions, even in situations with unexpected lined-up ships, reducing maximum collision risk by up to 94.0%. Applications of the proposed method with actual AIS (Automatic Identification System) data yield simulation results with successful collision avoidance route planning. Comparing the proposed method to avoidance routes using other existing methods and to the actual ship's route, the proposed method was able to plan a route with a 37.5% improvement in maximum collision risk and a 13.6% improvement in average collision risk.http://www.sciencedirect.com/science/article/pii/S2092678224000323Route planningCollision avoidanceIsochrone methodCollision riskAutonomous ship |
| spellingShingle | Jisang Ha Myung-Il Roh Hye-Won Lee Ship route planning for collision avoidance based on the improved isochrone method International Journal of Naval Architecture and Ocean Engineering Route planning Collision avoidance Isochrone method Collision risk Autonomous ship |
| title | Ship route planning for collision avoidance based on the improved isochrone method |
| title_full | Ship route planning for collision avoidance based on the improved isochrone method |
| title_fullStr | Ship route planning for collision avoidance based on the improved isochrone method |
| title_full_unstemmed | Ship route planning for collision avoidance based on the improved isochrone method |
| title_short | Ship route planning for collision avoidance based on the improved isochrone method |
| title_sort | ship route planning for collision avoidance based on the improved isochrone method |
| topic | Route planning Collision avoidance Isochrone method Collision risk Autonomous ship |
| url | http://www.sciencedirect.com/science/article/pii/S2092678224000323 |
| work_keys_str_mv | AT jisangha shiprouteplanningforcollisionavoidancebasedontheimprovedisochronemethod AT myungilroh shiprouteplanningforcollisionavoidancebasedontheimprovedisochronemethod AT hyewonlee shiprouteplanningforcollisionavoidancebasedontheimprovedisochronemethod |