Development of a 3D dynamic programming method for weather routing

S. Wei, P. Zhou

Research output: Contribution to journalArticle

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Abstract

This paper presents a novel forward dynamic programming method for weather routing to minimize ship fuel consumption during a voyage. Compared with the traditional two dimensional dynamic programming (2DDP) methods which only optimize the ship’s heading, while the engine power or propeller rotation speed are set as a constant throughout the voyage, this new method considers both the ship power setting and heading control. A float state technique is used to reduce the iteration on the process of optimization for computing time saving. This new method could lead to a real global-optimal routing in a comparison with a tradition weather routing method which results in a sub-optimal routing.
Original languageEnglish
Pages (from-to)79-85
Number of pages7
JournalTransNav: International Journal on Marine Navigation and Safety of Sea Transportation
Volume6
Issue number1
Publication statusPublished - 31 Mar 2012

Keywords

  • weather routing
  • 3D dynamic programming
  • 2D dynamic programming
  • optimization
  • global optimal routing
  • route optimization algorithm

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