Development of a novel forward dynamic programming method for weather routing |
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Authors: | Wei Shao Peilin Zhou Sew Kait Thong |
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Institution: | 1. Department of Naval Architecture and Marine Engineering, University of Strathclyde, Glasgow, UK 2. College of Energy and Power Engineering, Wuhan University of Technology, Wuhan, China 3. APL Co Pte Ltd, Singapore, Singapore
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Abstract: | 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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