ASSESSMENT OF THE COMPLEX SYSTEM CONDITION (ON THE EXAMPLE OF AN IT COMPANY)

Authors

DOI:

https://doi.org/10.20998/2079-0023.2019.02.01

Keywords:

complex system management, condition assessment, fuzzy cluster analysis, situational approach, reference situations, informational granule

Abstract

The paper considers the problem of estimating the state of the enterprise (on example of the IT company). The problem is presented in the form of two problems. The first problem is the aggregation of the initial information and the second problem is the identification of the state of a complex system. Authors formulated the problem and selected methods for solution of the problem. It is possible to form software for solving research problems. To solve the problem of aggregation of initial data authors used the fuzzy cluster analysis, namely the fuzzy k-means method. A numerical research was carried out and a test case was figured out in the MATLAB environment. In this test case the source data was reduced to a dimensionless form. Thereafter, already reduced to the same scale, the initial attributes were reduced to fuzziness. The results allow to formalize linguistic variables, which are characterized by the term-sets and definition range. The numerical results were approximated by analytical membership functions. The solution of the first task allows to generate a set of possible fuzzy reference situations, which reflect the possible state of the system. Each situation is characterized by the reference informational granule, which contains information about formalized linguistic variables. The second problem was solved by using the method of fuzzy logic in the MATLAB environment. The test case was calculated.  In this test case, the search of the situation in which the IT-company is located was performed. At this stage, the current situation belongs to comparison with each reference situation. In this way, authors determined the most similar reference situation to the current situation. An analysis of the resulting situation allows to argue the state of the IT company. The solution of the second task allowed to establish assessment of IT company state. The theoretical and practical results can improve the efficiency of complex system management.

Author Biographies

Alexander Goloskokov, National Technical University «Kharkiv Polytechnic Institute»

candidate of technical sciences, docent, National technical university «Kharkiv polytechnic institute», Professor of the Department of Software Engineering and Information Technology Management; Kharkiv, Ukraine

Artem Anatolievich Yakovenko, National Technical University "Kharkiv Polytechnic Institute"

National technical university «Kharkiv polytechnic institute», student; Kharkiv, Ukraine

References

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Published

2024-07-05

How to Cite

Goloskokov, A., & Yakovenko, A. A. (2024). ASSESSMENT OF THE COMPLEX SYSTEM CONDITION (ON THE EXAMPLE OF AN IT COMPANY). Bulletin of National Technical University "KhPI". Series: System Analysis, Control and Information Technologies, (2), 3–9. https://doi.org/10.20998/2079-0023.2019.02.01

Issue

No. 2 (2019)

Section

SYSTEM ANALYSIS AND DECISION-MAKING THEORY

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