Journal
JOURNAL OF MARINE SCIENCE AND TECHNOLOGY
Volume 17, Issue 2, Pages 239-251Publisher
SPRINGER TOKYO
DOI: 10.1007/s00773-011-0152-z
Keywords
Ship; Weather routing; Dynamic programming; Fuel saving
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This paper presents a novel forward dynamic programming method for weather routing to minimise ship fuel consumption during a voyage. Compared with traditional weather routing methods which only optimise the ship's heading, while the engine power or propeller rotation speed is set as a constant throughout the voyage, this new method considers both the ship power settings and heading controls. A float state technique is used to reduce the iterations required during optimisation and thus save computation time. This new method could lead to quasi-global optimal routing in comparison with the traditional weather routing methods.
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