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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">izvestswsu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Юго-Западного государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Southwest State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-1560</issn><issn pub-type="epub">2686-6757</issn><publisher><publisher-name>ЮЗГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21869/2223-1560-2020-24-3-152-165</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestswsu-799</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>Информатика, вычислительная техника и управление</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Computer science, computer engineering and IT managment</subject></subj-group></article-categories><title-group><article-title>Устойчивость колебаний импульсной системы управления электроприводом</article-title><trans-title-group xml:lang="en"><trans-title>Vibration Stability of the Impulse System of the Electric Drive Control</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>Яночкина</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanochkina</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яночкина Ольга Олеговна, кандидат технических наук, доцент кафедры вычислительной техники</p><p>ул. 50 лет Октября 94, г. Курск 305040</p></bio><bio xml:lang="en"><p>Olga O. Yanochkina, Cand. of Sci. (Engineering), Associate Professor, Department of Computer Science</p><p>50 Let Oktyabrya str. 94, Kursk 305040</p></bio><email xlink:type="simple">yanoolga@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>Болдырева</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Boldyreva</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Болдырева Евгения Олеговна, студент кафедры вычислительной техники</p><p>ул. 50 лет Октября 94, г. Курск 305040</p></bio><bio xml:lang="en"><p>Eugenia O. Boldyreva, Student</p><p>50 Let Oktyabrya str. 94, Kursk 305040</p></bio><email xlink:type="simple">eugeniaboldyreva@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Юго-Западный государственный университет</institution></aff><aff xml:lang="en"><institution>Southwest State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>12</month><year>2020</year></pub-date><volume>24</volume><issue>3</issue><fpage>152</fpage><lpage>165</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Яночкина О.О., Болдырева Е.О., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Яночкина О.О., Болдырева Е.О.</copyright-holder><copyright-holder xml:lang="en">Yanochkina O.O., Boldyreva E.O.</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://izvestswsu.elpub.ru/jour/article/view/799">https://izvestswsu.elpub.ru/jour/article/view/799</self-uri><abstract><p>Цель исследования. Исследование устойчивости колебаний импульсной системы управления электроприводом постоянного тока с целью обеспечения рабочих режимов с заданными динамическими характеристиками. Методы. Анализ устойчивости периодических решений дифференциальных уравнений с разрывной правой частью сводится к задаче исследования локальной устойчивости неподвижных точек отображения. Результаты. Проведен анализ устойчивости в зависимости от напряжения питания электропривода и коэффициента усиления корректирующего звена в цепи обратной связи. Выявлено, что граница области устойчивости на плоскости варьируемых параметров имеет ярко выраженный экстремум в виде максимума в бифуркационной точке коразмерности два, называемой еще точкой резонанса 1:2. По одну сторону от этой точки область устойчивости ограничена линией бифуркации Неймарка-Сакера, а по другую – линией бифуркации удвоения периода. Это означает, что с изменением параметров радиус области устойчивости сначала растет, достигая максимума в точке резонанса 1:2, а затем уменьшается. Этот важный вывод можно использовать в оптимизационных расчетах. Заключение. Выполнен анализ устойчивости импульсной системы управления электроприводом постоянного тока, поведение которой описывается дифференциальными уравнениями разрывной правой частью. Задача поиска периодических решений дифференциальных уравнений сведена к задаче поиска неподвижных точек отображения. Неподвижные точки отображения удовлетворяют системе нелинейных уравнений, которая решалась численно методом Ньютона-Рафсона. Устойчивость периодических решений дифференциальных уравнений отвечает устойчивости неподвижных точек соответствующего отображения. Исследования проводились при вариации коэффициента усиления в цепи обратной связи и напряжения питания. Выявлено, что потеря неподвижной точки происходит через суперкритическую бифуркацию Неймарка-Сакера, когда при изменении параметров комплексно-сопряженная пара мультипликаторов выходит из единичного круга. Однако при увеличении напряжения питания граница бифуркации Неймарка-Сакера переходит в границу бифуркации удвоения периода в точке резонанса 1:2.</p></abstract><trans-abstract xml:lang="en"><p>Purpose of reseach is Study of vibration stability of the impulse system of direct current electric drive in order to ensure operating modes with specified dynamic characteristics. Methods. The stability analysis of periodic solutions of differential equations with discontinuous right-hand side is reduced to the problem of studying local stability of fixed map points. Results. The analysis of stability is carried out depending on the supply voltage of the electric drive and the gain of the correcting link in the feedback circuit. It is revealed that the boundary of the stability region on the plane of the variable parameters has a pronounced extremum in the form of a maximum at the bifurcation point of codimension two, also called the resonance point 1: 2. On one side of this point, the stability region is bounded by the NeimarkSacker bifurcation line, and on the other, by the period-doubling bifurcation line. This means that with a change in the parameters, the radius of the stability region first increases, reaching a maximum at the resonance point 1: 2, and then decreases. This important conclusion can be used in optimization calculations. Conclusion. The analysis of the vibration stability of the impulse system of direct current electric drive, the behavior of which is described by differential equations of the discontinuous right-hand side, is carried out. The problem of finding periodic solutions to differential equations is reduced to the problem of finding fixed points of the map. The fixed points of the map satisfy a system of nonlinear equations, which was solved numerically by the NewtonRaphson method. The stability of periodic solutions of differential equations corresponds to the stability of fixed points of the corresponding map. The studies were carried out with variation of the gain in the feedback circuit and the supply voltage. It is revealed that the loss of a fixed point occurs through the supercritical Neimark-Sacker bifurcation, when the complex-conjugate pair of multipliers leaves the unit circle when the parameters change. However, with an increase in the supply voltage, the Neimark-Saker bifurcation boundary passes into the perioddoubling bifurcation boundary at the 1: 2 resonance point.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>система автоматического управления электроприводом</kwd><kwd>широтно-импульсная модуляция</kwd><kwd>устойчивости периодических режимов</kwd><kwd>кусочно-гладкие отображения</kwd><kwd>бифуркация Неймарка-Сакера</kwd><kwd>бифукация удвоения периода</kwd><kwd>точка резонанса 1:2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electric drive automatic control system</kwd><kwd>pulse-width modulation</kwd><kwd>stability of periodic modes</kwd><kwd>piecewise smooth maps</kwd><kwd>Neimark-Sacker bifurcation</kwd><kwd>period doubling bifurcation</kwd><kwd>1: 2 resonance point</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">Xаотическая динамика импульсных систем / Ж. 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