MANAGEMENT AND MODELLING OF TECHNOLOGICAL PROCESSES AND TECHNICAL SYSTEMS

Modelling based on the expert judgements of the process of informational safety evaluation

I. M. Azhmukhamedov

Astrakhan State Technical University

Abstract: The scheme of the construction of the mathematical model of complex safety of computer systems and networks on the basis of expert judgments is proposed. The elements of system form a hierarchy, and the factors of one sublevel of hierarchy consist of preference relations/indifference to each other. It is shown that the application of the modified method of lax ranking makes it possible to determine Fishbern’s weights for the factors of one level of hierarchy. The generalization of data of weights to the general case of the preference/indifferenceof factors in respect of each other is made.

Keywords: computer systems and the network, complex safety, expert estimations, lax ranking, Fishbern’s weight, convolution, the integrated criterion, the hierarchy of factors.

UDC: 004.056

Received: 21.09.2009