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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2021-7-519-529</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2150</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>ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ И АВТОМАТИЗАЦИЯ В ЧЕРНОЙ  МЕТАЛЛУРГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATION TECHNOLOGIES AND AUTOMATIC CONTROL IN FERROUS METALLURGY</subject></subj-group></article-categories><title-group><article-title>Управление охлаждением стальной полосы при гибком производстве оцинкованного листового проката</article-title><trans-title-group xml:lang="en"><trans-title>Strip cooling control for flexible production of galvanized flat steel</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5337-0951</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябчиков</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabchikov</surname><given-names>M. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Юрьевич Рябчиков, кандидат технических наук, доцент кафедры автоматизированных систем управления</p><p>455000, Челябинская обл., Магнитогорск, пр. Ленина, 38</p></bio><bio xml:lang="en"><p>Mikhail Yu. Ryabchikov, Cand. Sci. (Eng.), Assist. Prof. of the Chair of Automated Control Systems</p><p>38 Lenina Ave., Magnitogorsk, Chelyabinsk Region 455000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6441-1157</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябчикова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabchikova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Сергеевна Рябчикова, кандидат технических наук, доцент кафедры автоматизированных систем управления</p><p>455000, Челябинская обл., Магнитогорск, пр. Ленина, 38</p></bio><bio xml:lang="en"><p>Elena S. Ryabchikova, Cand. Sci. (Eng.), Assist. Prof. of the Chair of Automated Control Systems</p><p>38 Lenina Ave., Magnitogorsk, Chelyabinsk Region 455000</p></bio><email xlink:type="simple">mika.elena@mail.ru</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>Шманев</surname><given-names>Д. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shmanev</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Данил Евгеньевич Шманев, магистр кафедры автоматизированных систем управления</p><p>455000, Челябинская обл., Магнитогорск, пр. Ленина, 38</p></bio><bio xml:lang="en"><p>Danil E. Shmanev, Master Student of the Chair of Automated Control Systems</p><p>38 Lenina Ave., Magnitogorsk, Chelyabinsk Region 455000</p></bio><email xlink:type="simple">shmanev98@mail.ru</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>Кокорин</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kokorin</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Дмитриевич Кокорин, магистр кафедры автоматизированных систем управления</p><p>455000, Челябинская обл., Магнитогорск, пр. Ленина, 38</p></bio><bio xml:lang="en"><p>Il’ya D. Kokorin, Master Student of the Chair of Automated Control Systems</p><p>38 Lenina Ave., Magnitogorsk, Chelyabinsk Region 455000</p></bio><email xlink:type="simple">kokorin97mgn@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Магнитогорский государственный технический университет им. Г.И. Носова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nosov Magnitogorsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2021</year></pub-date><volume>64</volume><issue>7</issue><fpage>519</fpage><lpage>529</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рябчиков М.Ю., Рябчикова Е.С., Шманев Д.Е., Кокорин И.Д., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Рябчиков М.Ю., Рябчикова Е.С., Шманев Д.Е., Кокорин И.Д.</copyright-holder><copyright-holder xml:lang="en">Ryabchikov M.Y., Ryabchikova E.S., Shmanev D.E., Kokorin I.D.</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://fermet.misis.ru/jour/article/view/2150">https://fermet.misis.ru/jour/article/view/2150</self-uri><abstract><p>Работа посвящена проблеме гибкого мелкосерийного производства оцинкованного проката различного сортамента на агрегате непрерывного горячего оцинкования при переменной производительности. Основное внимание уделено термической обработке стальной полосы, требования к которой ограничивают производительность. В условиях возмущений необходимо упреждающее управление термообработкой с применением моделей, либо снижение скорости движения полосы для гарантированного выполнения требований. В отличие от большинства работ, где сделан акцент на управлении нагревом и выдержкой, данная работа посвящена охлаждению полосы. На основе анализа производственных данных Магнитогорского металлургического комбината показано, что нарушение требований к охлаждению влечет появление дефектов цинкового покрытия. Приведена зависимость вероятности возникновения дефектов от температуры полосы. Сформулированы задачи упреждающего управления охлаждением с применением моделей в условиях отсутствия контроля температуры рабочего пространства в отделении охлаждения. Для каждой из задач определены структура модели и способ ее настройки по данным, накопленным за значительный период работы агрегата в условиях неконтролируемых систематических возмущений. Предложена структура системы управления охлаждением с применением в качестве регулируемой переменной оценки температуры рабочего пространства, определяемой по модели. Продемонстрировано, что отсутствие контроля температуры рабочего пространства в отделении охлаждения не является проблемой при управлении с варьированием производительности. Приведены результаты настройки моделей по данным агрегата непрерывного горячего оцинкования Магнитогорского металлургического комбината. Предложенные структуры моделей, а также способы их настройки могут быть применены и при разработке моделей нагрева металла в печах.</p></abstract><trans-abstract xml:lang="en"><p>The work is devoted to the problem of flexible small-scale production of galvanized steel of various sizes on a continuous hot-dip galvanizing unit with varying productivity. The main focus is on the heat treatment of steel strip, the requirements for which limit productivity. In conditions of disturbances, it is necessary to proactively control the heat treatment using models, or to reduce the speed of the strip to ensure that the requirements are met. Unlike most of the works that focus on heat control, this work focuses on strip cooling. Based on the analysis of production data of the Magnitogorsk Iron and Steel Works, it is shown that violation of the cooling requirements leads to the appearance of defects in the zinc coating. Dependence of the probability of defects occurrence on the strip temperature is given. Problems of cooling predictive control are formulated using models in the absence of temperature control of the cooling section cavity. For each of the tasks, the model structure and the method of its tuning are determined according to the data accumulated over a significant period of the unit operation under conditions of uncontrolled systematic disturbances. The structure of the cooling control system is proposed by estimation of the cooling section cavity temperature as a controlled variable. The temperature estimate is determined from the model. The lack of measurement of the cooling section cavity temperature is not a problem then varying productivity. The results of the models tuning are presented according to the data of the Magnitogorsk Iron and Steel Works continuous hot-dip galvanizing unit. The proposed structures of the models and methods for their adjustment can be applied in the development of models for metal heating in furnaces.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оцинкование</kwd><kwd>стальная полоса</kwd><kwd>охлаждение</kwd><kwd>управление</kwd><kwd>модель</kwd><kwd>большие данные</kwd><kwd>дефекты покрытия</kwd><kwd>гибкое производство</kwd><kwd>производительность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>galvanizing</kwd><kwd>steel strip</kwd><kwd>cooling</kwd><kwd>control</kwd><kwd>model</kwd><kwd>big data</kwd><kwd>coating defects</kwd><kwd>flexible production</kwd><kwd>productivity</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Никифоров Б.А., Салганик В.М., Денисов С.В., Стеканов П.А. 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