Saukh I. Models and methods of making urgent anti-crisis decisions in the management of pseudo-resistant systems for responsible purposes.

Українська версія

Thesis for the degree of Doctor of Philosophy (PhD)

State registration number

0821U100463

Applicant for

Specialization

  • 122 - Комп’ютерні науки

18-03-2021

Specialized Academic Board

ДФ 41.052.006

Odessa National Polytechnic University

Essay

Complex systems and processes of responsible appointment are becoming more common in the modern world. What unites these systems and makes them subjects of dissertation research is that their complexity requires the use of modern information technologies to manage them. Crisis management is thus a backup subsystem designed to rescue a complex facility in the event of a crisis. The situation is significantly aggravated by the fact that all this is happening in real time, and the process manager may not have time to restore normal processes. The object of research is the decision-making processes in crisis management of pseudo-resistant complex systems of responsible purpose. The subject of the research are models of pseudo-resistant complex systems with increased reliability and methods used in making and implementing anti-crisis decisions. The aim of the work was to increase the efficiency of crisis management processes of rapid development of complex multi-parameter organizational and technical pseudo-stable systems by increasing the efficiency of methods and / or increasing the reliability of information models used for such management. The main characteristic of a complex system of responsible appointment is their stability. The stability of a complex system largely depends not only on the properties of the latter, but also on the parameters of the environment and time requirements. The classification of complex systems from the point of view of resistance of their functioning to damages and crises is executed. At the first stage of classification, two "framework" groups are conditionally distinguished: absolutely stable and absolutely unstable subsystems. Against this background, a new subclass of pseudo-resistant complex systems without a pre-built system of resistance to unknown crises was identified. All information transformations created for the development of anti-crisis strategies, as a rule, begin with the creation of some parametric space, within which there are all the parameters involved in individual models of subsystems "complex object", "damage", "crisis", "anti-crisis action », Etc. The construction of such a space is not only a simple combination (summation) of individual parameters, but also a preliminary search for the basis for their combination, which greatly simplifies the models and speeds up the relevant methods. Within the framework of such a unified space, the tasks of increasing the reliability of models and accelerating the methods of anti-crisis impact on complex systems of responsible assignment were also solved.

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