Reference for citation: Semyonov A. I. Modeling of difficult-to-formalize objects. Journal of Instrument Engineering. 2025. Vol. 68, N 11. P. 949–952 (in Russian). DOI: 10.17586/0021-3454-2025-68-11-949-952.

Abstract. Methods of modeling difficult-to-formalize objects are considered. The complexity of formalization is due to the manifestation of non-factors, which differ in the signs of manifestation when constructing models, and this is expressed in the weak predictability of the object’s behavior, a large number of influencing factors (often described qualitatively), and the difficulties of their quantitative measurement. As an example, the technological process of feed production is analyzed, and the process formalization is complicated by various types of non-factors (uncertainty, vagueness, etc.). The example of this object demonstrates the possibility of using a fuzzy-possibility approach in constructing models with uncertainty compensation.

Keywords: difficult-to-formalize object, non-factors, multi-criteria assessment, fuzzy-based approach, expert knowledge, feed production

Acknowledgement: The research was carried out at the expense of the grant of the Russian Science Foundation No. 24-19-00823: https://rscf.ru/project/24-19-00823.

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