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Method of formation structurally steady and it is information effective network information systems

DOI 10.18127/j00338486-201904-12

Keywords:

A.M. Mezhuev – Ph.D.(Eng.), Associate Professor, Head of Department, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)
E-mail: multitenzor@mail.ru
A.V. Korennoi – Honored Scientist of RF, Dr.Sc.(Eng.), Professor, Department №122, MESC «Zhukovsky–Gagarin Air Force Academy» (Voronezh)
E-mail: korennoj@mail.ru
I.I. Pasechnikov – Dr.Sc.(Eng.), Professor, Head of Department, Tambov State University named after G.R. Derzhavin
E-mail: pasechnikov_ivan@mail.ru


Work is devoted working out of a method of formation of network information systems of high structural stability and information ef-ficiency according to the set requirements. During researches accurate structurization of an offered method is spent and two basic stages of its work are allocated. At the first stage of realisation of a method for formation of structurally steady network information system the approach based on use of mathematical apparatus of the spectral theory of counts is offered. At the second stage of a method for reception it is information effective network information systems the mathematical apparatus тензорной methodology is used. The generalised orthogonal model of network information system uniting three network spaces is generated. The system of nonconventional parametres and indicators of an estimation of information efficiency is applied to an estimation of efficiency of an information exchange. Analytical and imitating modelling for concrete variants of structural construction of systems have confirmed working capacity, a practical realizability of the offered method and reliability of results received on its basis.
In work the new method providing reception of network information systems (NIS) of high structural stability and information efficiency is offered. On the basis of the analysis of existing approaches to maintenance of stability and efficiency of information exchange NIS the block diagramme of realisation of a method on which two basic stages of its realisation are allocated is developed.
At the first stage of work of a method on the basis of mathematical apparatus of the spectral theory of counts mechanisms of formation structurally steady by set criteria NIS with the minimum topological redundancy are realised. Base topology NIS depending on conditions of an information exchange and influence of destabilising factors is generated. The basic structural parametres of systems and criteria of their structural synthesis are defined. For structural synthesis iterative algorithms of transformation of base structures NIS depending on intensity of the entrance information streams are offered, allowing with use of their spectral characteristics to receive structurally steady systems by the set criteria with is minimum admissible structural redundancy. At formation of algorithms the finding method cospectral structures with identical topological characteristics is applied.
The second stage of realisation of a method is devoted definition NIS, providing high efficiency of an information exchange (information efficiency) from the received variants of structurally steady systems. It is based on mathematical apparatus use тензорной me-thodology. The generalised orthogonal model NIS uniting three network spaces is thus generated: static space of topology of system, dynamic space of information streams and dynamic space of destabilising influences (hindrances). The system of nonconventional in-dicators of an estimation of information efficiency is applied to estimation of efficiency of an information exchange such as: cybernetic capacity NIS, information transfer efficiency (including taking into account influence of hindrances), function of efficiency, a pass-band on the basic network parametres and a tangent of angle of strip efficiency. Application of the generalised orthogonal model of system allows to specify current values of cybernetic capacity NIS for a case of influence of external destabilising factors that provides correction of total estimations of information efficiency NIS taking into account changes entrance information and hindrances streams.
Analytical and imitating models of an information exchange, accordingly, have been developed for check of working capacity and a realizability of an offered method in environments of programming Maple and Delphi 7 in NIS with investigated structures. The struc-turally-logic scheme of algorithm of realised models is received. Results of modelling for concrete variants of structural construction of systems have confirmed working capacity, reliability and a practical realizability of the offered method. Practical recommendations about application of the developed method are made at the organisation of complex multiplanimetric adaptation modern NIS to changing conditions of an information exchange and influence of destabilising factors that will allow to provide increase (maintenance) of demanded structural stability and information system effectiveness in real time.

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