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Integrated Navigation under the Sea

Published online by Cambridge University Press:  23 November 2009

Marcus St Erme Cardew
Marcus St Erme Cardew
Affiliation:
(Sub Sea Surveys Ltd)
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Extract

Since the large-scale development of offshore oil installations started in the 1970s the requirements for navigating men and machines around structures and on the sea bed have increased dramatically.

The earliest forms of navigation were by tracking with fish-finding sonar, either directly or with the aid of an acoustic transponder. The sonar would usually be fitted to a surface craft, whose position was found by using one of the commercial navigation systems such as HIFIX. The range and bearing of the object being tracked was then applied to this position. Most of this work was done by hand and the position up-date rate was of the order of minutes. The error of position was the sum of the surface system and tracking system errors and was of the order of at least 10 m.

Type
Undersea Navigation
Information
The Journal of Navigation , Volume 35 , Issue 3 , September 1982 , pp. 367 - 374
Copyright
Copyright © The Royal Institute of Navigation 1982

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References

REFERENCES

1Fung, P. T. K. and Grimble, M. J., (1981). Self tuning control of ships' positioning systems. In C. J. Harris and S. A. Billings, Self-Tuning and Adaptive Control: Theory andApplications, IEE Control Eng. ser. 15.Google Scholar
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