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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">gscience</journal-id><journal-title-group><journal-title xml:lang="en">Mining Science and Technology (Russia)</journal-title><trans-title-group xml:lang="ru"><trans-title>Горные науки и технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-0632</issn><publisher><publisher-name>The National University of Science and Technology MISiIS (NUST MISIS)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/2500-0632-2018-1-108-112</article-id><article-id custom-type="elpub" pub-id-type="custom">gscience-100</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="en"><subject>POWER ENGINEERING, AUTOMATION, AND ENERGY PERFORMANCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭНЕРГЕТИКА, АВТОМАТИЗАЦИЯ И ЭНЕРГОЭФФЕКТИВНОСТЬ</subject></subj-group></article-categories><title-group><article-title>Model of automatic control system for process of pulp mixing before flotation</article-title><trans-title-group xml:lang="ru"><trans-title>Модель системы автоматического управления процессом перемешивания пульпы перед флотацией</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>Осипова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Osipova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.) </p><p>4, Leninsky Prospekt, Moscow, Russia, 119991</p></bio><email xlink:type="simple">nvo86@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>Пипия</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pipiya</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>4, Leninsky Prospekt, Moscow, Russia, 119991</p></bio><email xlink:type="simple">pipiya.1992@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «Московский институт стали и сплавов»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology "MISiS"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2018</year></pub-date><volume>0</volume><issue>1</issue><fpage>108</fpage><lpage>112</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Osipova N.V., Pipiya D.V., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Осипова Н.В., Пипия Д.В.</copyright-holder><copyright-holder xml:lang="en">Osipova N.V., Pipiya D.V.</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://mst.misis.ru/jour/article/view/100">https://mst.misis.ru/jour/article/view/100</self-uri><abstract><p>The paper provides a brief overview of researches on automation of flotation beneficiation. The main disadvantages of existing systems and methods for regulating parameters of this process have been revealed, which consist in low speed, errors in determining control action, and incapability of stabilizing pulp density in a mixer. In this connection, a conclusion is made about the relevance of development of an ACS for the process of pulp mixing before flotation, which will allow maintaining the specified density at a given level. Modeling using Matlab Simulink software package was chosen as the research method. At the same time, mathematical description of such elements of the ACS model as the valve, the mixer, the pump, the PID controller is given. The modeling provided time diagrams reflecting the principle of the pulp density stabilization by manipulating the flow of water into the mixer with abrupt change in the pulp solid phase density and flow. Conclusions are given on the possibility of using the ACS as part of an automated process control system at mining enterprises, since the system model operation showed satisfactory results in density control with small readjustment and low control time.</p></abstract><trans-abstract xml:lang="ru"><p>В статье приведен краткий обзор исследований по вопросам автоматизации флотационного обогащения. Выявлены основные недостатки существующих систем и способов регулирования параметров данного процесса, которые заключаются в низком быстродействии, ошибках выработки управляющего воздействия и отсутствии стабилизации плотности пульпы в перемешивателе. В связи с этим приводится вывод об актуальности разработки САУ процессом перемешивания пульпы перед флотацией, которая позволит поддерживать на заданном уровне указанную переменную. В качестве метода исследования выбрано моделирование с применением пакета прикладных программ Matlab Simulink. При этом дается математическое описание таких элементов модели САУ, как клапан, перемешиватель, насос, ПИД-регулятор. В результате моделирования получены временные диаграммы, отражающие принцип стабилизации плотности пульпы манипуляцией расхода воды в перемешиватель при скачкообразном изменении плотности твердой фазы в пульпе и ее расхода. Приводятся выводы о возможности использования САУ в составе АСУ ТП на горнорудных предприятиях, так как работа модели системы показала удовлетворительные результаты по управлению плотностью с малым перерегулированием и временем регулирования.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>флотация</kwd><kwd>перемешиватель</kwd><kwd>флотируемость</kwd><kwd>аэрация</kwd><kwd>концентрат</kwd><kwd>хвосты</kwd><kwd>обучающая выборка</kwd><kwd>клапан</kwd><kwd>регулятор</kwd><kwd>плотномер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>flotation</kwd><kwd>mixer</kwd><kwd>floatability</kwd><kwd>aeration</kwd><kwd>concentrate</kwd><kwd>tailings</kwd><kwd>training sample</kwd><kwd>valve</kwd><kwd>regulator</kwd><kwd>density meter.</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">Свириденко А.О., Беляков С.А.. 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