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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2024-15-3-231-239</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-891</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Методы измерений, контроля, диагностики</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Methods of measurements, monitoring, diagnostics</subject></subj-group></article-categories><title-group><article-title>Применение технологий искусственного интеллекта для оперативной диагностики механических характеристик чугуна</article-title><trans-title-group xml:lang="en"><trans-title>Application of Artificial Intelligence Technology for Prompt Diagnosis of Cast Iron Mechanical Properties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутепов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutsepau</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Академическая, 16, г. Минск 220072</p></bio><bio xml:lang="en"><p>Akademicheskaya str., 16, Minsk 220072</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крень</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kren</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки:Крень А.П. –Ин-т прикладной физики Национальной академии наук Беларуси, ул. Академическая, 16, г. Минск 220072, Беларусьe-mail: 7623300@gmail.com</p></bio><bio xml:lang="en"><p>Address for correspondence:Kren A.P. –Institute of Applied Physics of the National Academy of Science of Belarus,Akademicheskaya str., 16, Minsk 220072, Belarus e-mail:7623300@gmail.com</p></bio><email xlink:type="simple">7623300@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никифоров</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikiforov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Курчатова, 1, г. Минск 220064</p></bio><bio xml:lang="en"><p>Kurchatov str., 1, Minsk 220064</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Турсунов</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Tursunov</surname><given-names>N. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Темирйулчилар, 1, г. Ташкент 100167</p></bio><bio xml:lang="en"><p>Temiryulchilar str., 1, Tashkent 100167</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт прикладной физики Национальной академии наук Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Institute of Applied Physics of the National Academy of Science of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarussian State University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Ташкентский государственный транспортный университет</institution><country>Узбекистан</country></aff><aff xml:lang="en"><institution>Tashkent State Transport University</institution><country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>06</day><month>11</month><year>2024</year></pub-date><volume>15</volume><issue>3</issue><fpage>231</fpage><lpage>239</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кутепов А.Ю., Крень А.П., Никифоров А.В., Турсунов Н.К., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кутепов А.Ю., Крень А.П., Никифоров А.В., Турсунов Н.К.</copyright-holder><copyright-holder xml:lang="en">Kutsepau A.Y., Kren A.P., Nikiforov A.V., Tursunov N.K.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://pimi.bntu.by/jour/article/view/891">https://pimi.bntu.by/jour/article/view/891</self-uri><abstract><p>Кинетическое индентирование широко используется для измерения физико-механических свойств материалов, как один из наиболее универсальных методов неразрушающего контроля. В настоящей работе использованы новейшие достижения в области искусственного интеллекта и возможности библиотек языка программирования Питон, позволяющие на основании данных диаграммы микроударного нагружения материала провести точные измерения твёрдости чугунов различных марок. Показано, что применение машинного обучения позволяет устранить грубые ошибки и снизить погрешность косвенного определения твёрдости в несколько раз – до 10 единиц по Бринеллю HB. Также установлено, что формирование дополнительных признаков для обучения моделей (на основании традиционно используемых характеристик: глубин внедрения, скорости перемещения индентора и контактных усилий в определённые моменты времени) положительным образом сказывается на точности измерений, однако при этом их количество также должно быть оптимизировано. Возможность эффективного использования машинного обучения для оценки твёрдости доказана путём сравнения расчётных значений твёрдости с данными, полученными стандартными методами испытаний. Достоинством разработанной методики контроля является то, что разработанные алгоритмы могут применяться для оперативной диагностики твёрдости чугуна с использованием уже существующего оборудования. Предложенный подход представляется целесообразным распространить на определение других механических характеристик чугуна: предела текучести, показателя деформационного упрочнения, ползучести, релаксации, определяемых методами индентирования.</p></abstract><trans-abstract xml:lang="en"><p>Kinetic indentation is widely used to measure physical and mechanical properties of materials as one of the most universal methods for non-destructive testing. This paper uses the latest advances in artificial intelligence and capabilities of the Python programming language libraries allowing to carry out accurate measurements of cast iron hardness based on the data of the material’s micro-impact loading diagram. It has been shown that use of machine learning allows eliminating gross errors and reducing the error of indirect hardness evaluation in several times – down to 10 units according to Brinell HB. It has also been established that formation of additional features for training models (based on traditionally used characteristics: penetration depths, indenter movement speed and contact forces at certain points in time) has a positive effect on the accuracy of measurements, but amount of measurements should also be optimized. Feasibility of effective use of machine learning to evaluate hardness has been demonstrated by comparing of calculated hardness values with data obtained with standard testing methods. Advantage of the developed testing method is the fact that the developed algorithms can be used for prompt diagnostics of cast iron hardness using existing equipment. It is appropriate to extend the proposed approach for determination of other mechanical properties of cast iron: yield strength, strain hardening index, creep, relaxation, determined by indentation methods.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>индентирование</kwd><kwd>чугун</kwd><kwd>искусственный интеллект</kwd><kwd>машинное обучение</kwd><kwd>твёрдость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>indentation</kwd><kwd>cast iron</kwd><kwd>artificial intelligence</kwd><kwd>machine learning</kwd><kwd>hardness</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Белорусского республиканского фонда фундаментальных исследований. Конкурс БРФФИ– МИРРУ 2023. Проект Т23УЗБ-035 «Изучение процессов структурообразования и локального деформирования чугунов с целью создания их улучшенных марок, методик и средств неразрушающего контроля физико-механических характеристик».</funding-statement><funding-statement xml:lang="en">The work was done with the support of Belarusian Republican Foundation for Fundamental Research. Contest BRFFR-MIRRU 2023. Project Т23УЗБ-035 «Study of structure forming processes and local deformation of cast iron aiming at creating their improved grades, methods and tools of nondestructive testing of their physical and mechanical properties».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Roy E. Cast iron technology. Butterworth-Heinemann. 2014;252 p. DOI: 10.1016/B978-0-408-01512-7.50001-X</mixed-citation><mixed-citation xml:lang="en">Roy E. Cast iron technology. 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