Abstract
This paper is devoted to the method of choosing a scheme for placing navigation signs on sections of inland waterways to ensure the navigation of vessels with a given level of navigation risks. The methods used are known from the theory of probability and mathematical statistics for the assessment of navigation risks, which is proposed to be performed by stochastic methods, estimating the dis-placement of the center of the vessel's size and the variability of the maneuvering lane. It is shown that according to the results of mathematical modeling of the controlled movement of the vessel along the difficult for navigation section “Ivanovskie Porogi” on the Neva river, these navigation parameters are subject to the normal distribution law. This made it possible to reduce the problem of risk assessment to the problem of finding the probability of a random variable hitting the designated lane. A formal assessment of the navigational risk of navigating a vessel through a section that is difficult for navigation was carried out, on the ba-sis of which it is possible to judge the quality of the vessel's control and the prob-ability of the vessel going beyond the edge of the fairway. The results presented in this work were obtained during the implementation of the INFUTURE international project.
Highlights
The specific sailing conditions in inland waterways determine the uniqueness of the navigator's work when navigating the ship
This paper provides an assessment of the risks of navigating vessels of mixed “river-sea” navigation along the section of inland waterways, which is difficult for navigation
The peculiarities of ship control when maneuvering in inland waterways are insufficient information about the peculiarities of navigation, really difficult navigational and hydrographic conditions (NHC) and hydrometeorological conditions (HMC), insufficient experience in pilotage, etc
Summary
The specific sailing conditions in inland waterways determine the uniqueness of the navigator's work when navigating the ship. The current stage of development of means and systems of navigation is characterized by an increasing contradiction between high requirements for the safety of navigation, on the one hand, and a fairly high level of navigational accidents in inland waterways, on the other hand. This largely determines both the need for further improvement of navigation aids and systems, as well as the development of mathematical and systemic methods for analyzing the factors and causes of the occurrence of navigation situations, a comprehensive and holistic description of a set of events leading to dangerous navigation situations, as well as the analysis of the consequences of the development of dangerous navigation situations
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