Methodology of non-linear robust estimation for the solutions synthesis of inverse and direct multidisciplinary problems in engineering dimensional chains calculation based on discrete analog data
| العنوان: | Methodology of non-linear robust estimation for the solutions synthesis of inverse and direct multidisciplinary problems in engineering dimensional chains calculation based on discrete analog data |
|---|---|
| المؤلفون: | Ievgen Meniailov, Iryna Trofymova, Andriy Myenyaylov, Olexandr Khustochka, Sergiy Yepifanov, Dmytro Chumachenko, Mykhaylo Ugryumov, Serhii Chernysh |
| المصدر: | Системні дослідження та інформаційні технології : міжнародний науково-технічний журнал, № 4 |
| بيانات النشر: | Kyiv Politechnic Institute, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | a priori and parametric uncertainties, Computer science, Applied Mathematics, Decision theory, Inverse, methods and systems for estimating quantities and processes, Theoretical Computer Science, 519.6:519.23 [004.942], Nonlinear system, Identification (information), Computational Theory and Mathematics, inverse boundary value problems in a stochastic formulation, Artificial Intelligence, A priori and a posteriori, Applied mathematics, Stochastic optimization, Boundary value problem, decision-making theory, Parametric statistics |
| الوصف: | This paper analyses the definition of inverse and direct problems in engineering dimensional chains calculation based on discrete analogue data and the methodologies for solving these problems. It is shown that the direct dimensional chains calculation, which belongs to the class of inverse boundary value problems in a stochastic formulation, can be transformed into multi-criteria problems of stochastic optimization with mixed conditions. The new multi-step solutions search methodology for these problems is based on non-linear robust estimation methods. It can be achieved through hierarchical two-level decisions synthesis scheme development. At the first step, this scheme includes identification of surrogate models (in the form of regression equations). At the second step, the effective robust estimates are computed to determine unknown values; estimations of unknown quantities are carried out under a priori and parametric data uncertainties. Results of calculations of inverse and direct problems in engineering dimensional chains for two-stage axial compressors are presented. They were obtained using interactive computer systems for decision-making support “ROD&IDS”. |
| وصف الملف: | application/pdf |
| تدمد: | 2308-8893 1681-6048 |
| DOI: | 10.20535/srit.2308-8893.2020.4.06 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96d0a696fbcfff55cdade45ae58d1308 https://doi.org/10.20535/srit.2308-8893.2020.4.06 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....96d0a696fbcfff55cdade45ae58d1308 |
| قاعدة البيانات: | OpenAIRE |
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