Hybrid Models of Atmospheric Block Columns of Primary Oil Refining Unit Under Conditions of Initial Information Deficiency

Batyr Orazbayev, Zhadra Kuzhuhanova, Kulman Orazbayeva, Gulzhan Uskenbayeva, Zhanat Abdugulova and Ainur Zhumadillayeva ()
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Batyr Orazbayev: Department of Systems Analysis and Management, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
Zhadra Kuzhuhanova: Department of Systems Analysis and Management, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
Kulman Orazbayeva: Faculty of Business and Management, Esil University, Astana 010005, Kazakhstan
Gulzhan Uskenbayeva: Department of Systems Analysis and Management, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
Zhanat Abdugulova: Department of Systems Analysis and Management, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
Ainur Zhumadillayeva: Department of Computer and Software Engineering, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan

Energies, 2025, vol. 18, issue 2, 1-25

Abstract: This work is devoted to the study and solution of the problems of modeling complex objects on the example of the atmospheric block of the primary oil refining unit, associated with the deficit and fuzziness of the necessary initial information. Since many real technological objects of oil refining and other industries are often characterized by a deficit and fuzziness of the necessary information for their study, modeling, and optimization, this work allows solving an urgent scientific and practical problem. An effective method has been proposed that allows, based on a system approach, expert assessment methods, theories of fuzzy sets, and available information of various natures to develop hybrid models of complex objects in conditions of deficiency and fuzzy initial information. Based on the proposed hybrid method and available statistical and fuzzy information, effective hybrid models of atmospheric block columns of the primary oil refining unit were developed. In this case, statistical models were developed based on experimental and statistical data. With crisp input, mode parameters, and fuzzy output parameters, atmospheric block fuzzy models based on the proposed method, determining the quality of the manufactured products, were developed. Moreover, with the fuzzy input, mode, and output parameters of the atmospheric block columns, linguistic models based on the methods of expert assessments, logical rules of conditional inference, and the proposed method, assessing the quality of the produced gasoline, were developed. The linguistic models developed in Fuzzy Logic Toolbox allow for the assessment of the quality of gasoline from the atmospheric block depending on the content of chloride salts and the mass fraction of sulfur in the raw material. The results obtained using the proposed modeling method show their advantages in comparison with known modeling methods.

Keywords: technological systems; hybrid model development method; fuzzy information; atmospheric vacuum block; sulfur production section; decision maker; rule base (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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