Mathematical model of optimal scenario selection of ship operations based on a risk-oriented network criterion

Main Article Content

O. Sagaydak
O. Melnyk
A. Voloshyn
V. Ternovsky

Abstract

The article develops a formalized model for choosing the optimal scenario for performing ship operations, taking into account the risk-oriented structure of the criteria. The methodology involves constructing a network relationship between performance criteria and risk factors that impact shipping safety. The possibility of aggregation of integral risk using the weight matrix and the function of adjusted utility with the risk-aversion parameter is considered. The model was tested on the example of a navigation transition with route alternatives, taking into account changes in weather conditions and the level of operational reliability. A scenario analysis was carried out using sensitivity methods, which made it possible to identify the influence of key factors on decision-making. The proposed approach can be integrated into the decision support system (DSS) of industry enterprises to increase the level of validity and adaptability of management decisions in conditions of uncertainty and risk. In particular, this method allows you to evaluate potential scenarios of further actions based on accumulated experience, and automatically form strategic priorities taking into account changes in the external environment. In addition, to quickly adapt operational processes, which is especially relevant for shipping companies operating in conditions of limited resources, regulatory pressure, and growing requirements for the safety and sustainability of enterprises.

Article Details

How to Cite
Sagaydak, O., Melnyk, O., Voloshyn, A., & Ternovsky, V. (2025). Mathematical model of optimal scenario selection of ship operations based on a risk-oriented network criterion. Herald of the Odessa National Maritime University, (77), 206-222. https://doi.org/10.47049/2226-1893-2025-3-206-222
Section
Technology and organisation of transportation
Author Biographies

O. Sagaydak, Odesa National Maritime University, Odesa, Ukraine

Senior Lecturer of the Navigation and Ship Handling Department

O. Melnyk, Odesa National Maritime University, Odesa, Ukraine

Doctor of Technical Sciences, Professor of the Navigation and Maritime Safety Department

A. Voloshyn, Odesa National Maritime University, Odesa, Ukraine

Candidate of Technical Sciences, Professor of the Navigation and Maritime Safety Department

V. Ternovsky, Odesa National Maritime University, Odesa, Ukraine

Doctor of Physical and Mathematical Sciences, Professor of the Navigation and Maritime Safety Department

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