Abstract
The article considers the effective control of the company's vessels safety in the fishing area, which depends on the rational organization of information flows in the networks of safety management systems. There has been shown a directed graph demonstrating the model of dependence on the rational organization of information flows between the captains of ships and the appointed person of the company. The information redundancy in the “captain - designee” and “designee - captain” channels is stated to lead to congestion and omissions of important fishing and navigation messages. It has been found that for a given accuracy of predicting the data of the controlled parameters of the ship's safety, as well as for the given data transfer rate, the necessary tact in transmitting the data through the communication channels of the safety management system can be accurately estimated. There are considered two versions, when the random component obeys either the normal law or the exponential distribution law. The obtained ratios are analyzed to determine the amount of information and tact in its transmission for some technical and operational parameters of the vessel in the fishing area from the captain of the vessel to the designated person of the company. It is shown that by estimating the amount of information and the necessary speed of its transmission through the communication channels of the safety management system for each vessel, it is possible to build a rational system for managing the safety of the company's vessels in the fishing area.
Highlights
The article considers the effective control of the company's vessels safety in the fishing area, which depends on the rational organization of information flows in the networks of safety management systems
The information redundancy in the “captain - designee” and “designee - captain” channels is stated to lead to congestion and omissions of important fishing and navigation messages
The obtained ratios are analyzed to determine the amount of information and tact in its transmission for some technical and operational parameters of the vessel in the fishing area from the captain of the vessel to the designated person of the company
Summary
Тогда решение задач по обеспечению безопасного промысла может быть гарантировано, если исходная информация, транслируемая по каналам «капитан – назначенное лицо» и «назначенное лицо – капитан» (рис.), передается без потери своих основных информационных качеств. Однако информационная избыточность в этих каналах обычно приводит к перегрузке и пропускам важных промысловых и навигационных сообщений [1]. Управление безопасностью на промысле осуществляется на основе информации о техническом и эксплуатационном состоянии судов, передаваемой в суточных донесениях по всем параметрам промысловой обстановки. Такая организация связи обусловливает весьма большой объем передаваемой информации от каждого судна при достаточной степени ее избыточности. В то же время передача информации в наиболее компактной форме позволяет существенно снизить ее объем и использовать эту форму в качестве критерия эффективности СУБ промысла в целом
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