Optimal ship routing via Spherical Visibility Graphs
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- OCEANS 2023 - Limerick, 2023, 00
- Issue Date:
- 2023-09-12
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Optimal_ship_routing_via_Spherical_Visibility_Graphs.pdf | Accepted version | 2.16 MB |
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Improving the efficiency of maritime shipping has the potential to reduce carbon emissions and improve cost effectiveness The shortest collision free path is a common baseline for ship routing applications as distance travelled is related to the efficiency of a route In 2 D the shortest collision free path is known to be contained on the so called Visibility Graph In this paper we propose the Spherical Visibility Graph and prove that the shortest collision free paths on the surface of the sphere lie on the Spherical Visibility Graph Additionally we demonstrate that the edges of the Spherical Visibility Graph are only composed of minimal geodesics halving the number of edges that need to be considered on the sphere We provide a comparison of the Spherical Visibility Graph and a discrete grid to illustrate the differences between the two methods as well as showcase the usefulness of the Spherical Visibility Graph for maritime navigation applications that require distance optimal trajectories
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