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Ship Manoeuvring in Restricted Areas: An Attempt to Quantify Dangerous Situations Using a Probabilistic-Fuzzy Method

Published online by Cambridge University Press:  06 April 2006

Lucjan Gucma
Affiliation:
Maritime University of Szczecin. Email: [email protected]
Zbigniew Pietrzykowski
Affiliation:
Maritime University of Szczecin. Email: [email protected]

Abstract

This paper presents a practical application of the probabilistic-fuzzy method for assessment of the safety of a ship manoeuvring in waterways. The method, based on probabilistic risk analysis and elements of fuzzy logic, takes into account situations of threatened navigational safety and situations when a navigator intuitively thinks that the safety of manoeuvring ship is threatened. The probability of grounding a ship manoeuvring in a waterway bend is determined by means of simulation method. Then, with the use of experts' knowledge and tools of fuzzy logic the probability of a dangerous situation is determined. Two different approaches are applied for the determination of that probability. The results are compared.

Type
Research Article
Copyright
2006 The Royal Institute of Navigation

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