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On The Selection of Discrete Grid Systems for On-Board Micro-based Weather Routeing

Published online by Cambridge University Press:  21 October 2009

R. H. Motte  and
S. Calvert
R. H. Motte
Affiliation:
(Polytechnic South West)
S. Calvert
Affiliation:
(Polytechnic South West)
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Abstract

The purpose of this paper is to show the effect of incorporating various discrete grid systems in a micro-based, ship weather-routeing system, which employs Bellman's dynamic programming algorithm, and either a cost-objective or time-objective performance measure. A simple ship speed and power function is utilized, in the cost computation. The calculation of the least-cost/least-time route is briefly described, but it is the derivation of the discrete grids and their influence on the route decisions that forms the paper's emphasis. The measure of cost within this paper is necessarily notional.

Keywords

1. Meterology.2. Weather routeing.
Type
Research Article
Information
The Journal of Navigation , Volume 43 , Issue 1 , January 1990 , pp. 104 - 117
Copyright
Copyright © The Royal Institute of Navigation 1990

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References

REFERENCES

1Bellman, R. (1957). Dynamical Programming, Princeton University Press.Google Scholar
2Motte, R., Manhire, B. J. and Higham, J. R. (1985). Diagnostic and dynamical modeling for weather routeing of ships using on-board micro-computers. Proc. Int. Conf. on Computer Applications in the Operation and Management of Ships and Cargoes. Royal Institute of Naval Architects, London.Google Scholar
3Babbedge, N. H. (1974). Ship speed analysis, M. Phil Thesis, Plymouth Polytechnic.Google Scholar
4Calvert, S.(1986). The Automatic weather routeing of ships. SERC report, grant No. GR/D/9062.8, Plymouth Polytechnic.Google Scholar
5Motte, R. H. and Calvert, S. (1987). Operational considerations and constraints in ship based weather routeing. Proc. Int. Conf. on Weather Routeing, Tokyo, Japan.Google Scholar
6Calvert, S.(1988). Optimal weather routeing procedures for vessels on trans-oceanic voyages. CNAA Transfer Report, Plymouth Polytechnic.Google Scholar