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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">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2023-2-160-169</article-id><article-id custom-type="edn" pub-id-type="custom">JEDWKD</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-1777</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>Algorithms</subject></subj-group></article-categories><title-group><article-title>Алгоритмы асимптотического и численного построения колебательных режимов в простейшем кольце генераторов с несимметричной нелинейностью</article-title><trans-title-group xml:lang="en"><trans-title>Algorithms for asymptotic and numerical modeling of oscillatory modes in the simplest ring of generators with asymmetric nonlinearity</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6403-4061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глызин</surname><given-names>Сергей Дмитриевич</given-names></name><name name-style="western" xml:lang="en"><surname>Glyzin</surname><given-names>Sergey D.</given-names></name></name-alternatives><email xlink:type="simple">glyzin.s@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9183-6484</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Марушкина</surname><given-names>Елена Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Marushkina</surname><given-names>Elena A.</given-names></name></name-alternatives><email xlink:type="simple">marushkina-ea@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П.Г. Демидова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.G. Demidov Yaroslavl State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>14</day><month>06</month><year>2023</year></pub-date><volume>30</volume><issue>2</issue><fpage>160</fpage><lpage>169</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Глызин С.Д., Марушкина Е.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Глызин С.Д., Марушкина Е.А.</copyright-holder><copyright-holder xml:lang="en">Glyzin S.D., Marushkina E.A.</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://www.mais-journal.ru/jour/article/view/1777">https://www.mais-journal.ru/jour/article/view/1777</self-uri><abstract><p>Рассматривается система из трех связанных в кольцо генераторов с несимметричной нелинейностью и специальной нелинейной связью. Исследуемая система моделирует электрическую цепь, в которой каждый из трех идентичных генераторов представляет собой колебательный контур с нелинейным элементом. Вольт-амперная характеристика этого элемента имеет $S$--образный характер. Нелинейная связь между генераторами организована так, что имеет близкий к единичному коэффициент передачи в прямом направлении и близкий к нулевому в обратном. Асимптотическими методами сначала изучается задача о решениях, ветвящихся от состояний равновесия, а затем численными методами исследуется исходная система. Изучена зависимость динамики системы от степени несимметричности кубической нелинейности, описывающей характеристику нелинейного элемента.</p></abstract><trans-abstract xml:lang="en"><p>A system of three ring-connected generators with asymmetric nonlinearity and special nonlinear coupling is considered. The investigated system simulates an electrical circuit of three identical generators. Each generator is an oscillatory circuit with a nonlinear element. The volt-ampere characteristic of this element has a $S$-shaped character. The nonlinear coupling between the generators is organized in such way that it has a transmission coefficient close to one in the forward direction and close to zero in the reverse direction. First, the problem of finding solutions branching from equilibrium states is studied by asymptotic methods. And then the initial system is investigated by numerical methods. The dependence of the system dynamics on the degree of asymmetry of cubic nonlinearity describing the characteristic of a nonlinear element is studied.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>моделирование</kwd><kwd>автогенератор</kwd><kwd>асимптотика</kwd><kwd>колебательный режим</kwd><kwd>бифуркация</kwd><kwd>численный анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>modeling</kwd><kwd>autogenerator</kwd><kwd>asymptotics</kwd><kwd>oscillatory mode</kwd><kwd>bifurcation</kwd><kwd>numerical analysis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Российский научный фонд (проект №21-71-30011)</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">S. D. Glyzin, A. Y. Kolesov, and N. K. 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