Multi-Objective Weather Routing of Sailing Vessels

Życzkowski, Marcin; Szlapczynski, Rafal

doi:10.1515/pomr-2017-0130

Cited by 16 publications

(7 citation statements)

References 17 publications

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“…As for graph-oriented methods, when all possible waypoints are defined and the possible flows between them are known, one can implement routing as determining the optimal path in the graph. Examples include methods using the modified Dijkstra algorithm [10][11][12][13][14][15] or the A *algorithm [16,17].…”

Section: Related Workmentioning

confidence: 99%

“…Exceptions are few and concern solely the routing of merchant vessels [22,23,29]. As for methods dedicated to sailboats, up till now they have applied multiple objectives by means of a single aggregated goal function [13,14]. Such an approach is seriously limiting because it excludes many potential solutions, which cannot be obtained this way.…”

Section: Related Workmentioning

confidence: 99%

See 1 more Smart Citation

Evolutionary Multi–Objective Weather Routing of Sailboats

Sobecka

Szlapczynski

Życzkowski

2020

Polish Maritime Research

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The paper presents a multi-objective method, which optimises the route of a sailboat. The presented method makes use of an evolutionary multi-objective (EMO) algorithm, which performs the optimisation according to three objective functions: total passage time, a sum of all course alterations made during the voyage and the average angle of heel. The last two of the objective functions reflect the navigator’s and passenger’s comfort, which may decrease with multiple turns or when experiencing an excessive heel angle for a long time. The optimisation process takes into account static bathymetry-related constraints as well as dynamic constraints related to the sailboat’s safety in changing wind and wave conditions. The method makes use of all of the above and finally returns an approximated Pareto set containing non-dominated solutions to the optimisation problem. The developed method has been implemented as a simulation application. The paper includes selected simulation results followed by their discussion.

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Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Evolutionary Multi–Objective Weather Routing of Sailboats

Sobecka

Szlapczynski

Życzkowski

2020

Polish Maritime Research

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“…Approaches to the problem include methods based on isochrones [16], optimal control theory [17] and dynamic programming [18]. Furthermore, constrained graph methods, such as the Dijkstra algorithm, have been applied to ship routing in the Mediterranean Sea [3], Baltic sea [19] and Indian Ocean [20]. More recently, an increasing number of multi-objective weather-routing solutions have been proposed.…”

Section: Planning Layermentioning

confidence: 99%

Weather-Routing System Based on METOC Navigation Risk Assessment

Fabbri

Vicen-Bueno

2019

JMSE

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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.

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“…A simplified multiobjective approach to route planning with aggregation to a single criterion has been proposed in [24]. However, a purely mathematical approach to such optimisation with Paretooptimal sets has been proposed so far by [8,13,20,21,25,30,31].…”

Section: Introductionmentioning

confidence: 99%

“…Harsh weather and its impact on ship routing and navigation has been discussed in [3,4,6,16]. Similarly, the impact on ships' behaviour and safety was researched in [1,10,19], the application to collision avoidance in [22] and routing of sailing vessels in [23,30,31]. In general, it might be safely stated that weather data is nowadays used in a majority of navigational and ocean engineering research problems.…”

Section: Introductionmentioning

confidence: 99%

Review of Weather Forecast Services for Ship Routing Purposes

Życzkowski

Szlapczynska

Szlapczynski

2019

Polish Maritime Research

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Weather data is nowadays used in a variety of navigational and ocean engineering research problems: from the obvious ones like voyage planning and routing of sea-going vessels, through the analysis of stability-related phenomena, to detailed modelling of ships’ manoeuvrability for collision avoidance purposes. Apart from that, weather forecasts are essential for passenger cruises and fishing vessels that want to avoid the risk associated with severe hydro-meteorological conditions. Currently, there is a wide array of services that offer weather predictions. These services include the original sources – services that make use of their own infrastructure and research models – as well as those that further postprocess the data obtained from the original sources. The existing services also differ in their update frequency, area coverage, geographical resolution, natural phenomena taken into account and finally – output file formats. In the course of the ROUTING project, primarily addressing ship weather routing accounting for changeable weather conditions, the necessity arose to prepare a report on the state-of-the-art in numerical weather prediction (NWP) modelling. Based on the report, this paper offers a thorough review of the existing weather services and detailed information on how to access the data offered by these services. While this review has been done with transoceanic ship routing in mind, hopefully it will also be useful for a number of other applications, including the already mentioned collision avoidance solutions.

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Multi-Objective Weather Routing of Sailing Vessels

Cited by 16 publications

References 17 publications

Evolutionary Multi–Objective Weather Routing of Sailboats

Evolutionary Multi–Objective Weather Routing of Sailboats

Weather-Routing System Based on METOC Navigation Risk Assessment

Review of Weather Forecast Services for Ship Routing Purposes

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