Abstract
This paper presents a novel weather-routing system based on a multi-criteria setup. The set of 3 conflicting criteria is: travel time, ship navigation added resistance (caused by wind and waves), and navigation risk/safety. To this aim, the International Maritime Organization (IMO) safety guidelines are exploited for the design of navigation risk criterion as a function of the METeorological and OCeanographic (METOC) and sailing conditions. This risk is directly integrated into the multi-criteria setup, as an innovative alternative to the systems proposed in the open literature. The proposed methodology is tested in a real operational scenario in the Mediterranean Sea. The obtained results show how the proposed system provides alternative routes with minimum risk to the decision-makers, as well as other different alternative routes minimizing the other criteria.
Highlights
In the last decade, the research field of weather routing has gained attention within naval operations as a decision-making tool to increase safety at sea, operational endurance, and reduce greenhouse gas (GHG) emissions [1]
The development of a weather-routing system facilitates the efficient planning of the route toward a selected destination. This is achieved by taking into account METeorological and OCeanographic (METOC) forecasts, the derived sailing conditions based on the vessel type and the selected ship operational state
The selected Area of Interest (AOI) and time-frame provided through the Estimated Time of Departure (ETD) are:
Summary
The research field of weather routing has gained attention within naval operations as a decision-making tool to increase safety at sea, operational endurance, and reduce greenhouse gas (GHG) emissions [1]. In contrast to these reference systems [3,4,7] and similar to the approach discussed in [9,10], the focus of our paper is on the translation of the navigation safety guidelines [8] into a safety criterion to be minimized within a multi-criteria optimization setup This design choice is based on the fact that the navigation safety of a route is usually determined by the vessel operator during the decisional stage.
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