Journal
SYMMETRY-BASEL
Volume 10, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/sym10120765
Keywords
hesitant fuzzy sets; multi criteria decision making; A* algorithm; route optimization; navigability
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Funding
- National Natural Science Foundation of China [51609254, 41375002]
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This paper presents a new route planning system for the purpose of evaluating the strategic prospects for future Arctic routes. The route planning problem can be regarded as a multi criteria decision making problem with large uncertainties originating from multi-climate models and experts' knowledge and can be solved by a modified A* algorithm where the hesitant fuzzy set theory is incorporated. Compared to the traditional A* algorithm, the navigability of the Arctic route is firstly analyzed as a measure to determine the obstacle nodes and three key factors to the vessel navigation including sailing time, economic cost and risk are overall considered in the HFS-A* algorithm. A numerical experiment is presented to test the performance of the proposed algorithm.
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