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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">novtexmech</journal-id><journal-title-group><journal-title xml:lang="ru">Мехатроника, автоматизация, управление</journal-title><trans-title-group xml:lang="en"><trans-title>Mekhatronika, Avtomatizatsiya, Upravlenie</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1684-6427</issn><issn pub-type="epub">2619-1253</issn><publisher><publisher-name>Commercial Publisher «New Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17587/mau.22.547-552</article-id><article-id custom-type="elpub" pub-id-type="custom">novtexmech-1055</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>РОБОТЫ, МЕХАТРОНИКА И РОБОТОТЕХНИЧЕСКИЕ СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ROBOT, MECHATRONICS AND ROBOTIC SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Особенности учета конструктивной нелинейности в модели динамики тросового робота</article-title><trans-title-group xml:lang="en"><trans-title>Specifity of Including of Structural Nonlinearity in Model of Dynamics of Cable-Driven Robot</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>Калинин</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinin</surname><given-names>Ya. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доц.</p><p>г. Иннополис</p></bio><bio xml:lang="en"><p>Innopolis, 420500, Russian Federation</p></bio><email xlink:type="simple">jkv83@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>Марчук</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchuk</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант</p><p>г. Волгоград</p></bio><bio xml:lang="en"><p>M. Sc., Department of Theoretical Mechanics</p><p>Volgograd, 400005, Russian Federation</p></bio><email xlink:type="simple">e.marchuk@innopolis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Иннополис</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Innopolis University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Волгоградский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Volgograd 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>03</day><month>10</month><year>2021</year></pub-date><volume>22</volume><issue>10</issue><fpage>547</fpage><lpage>552</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Commercial Publisher «New Technologies», 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Commercial Publisher «New Technologies»</copyright-holder><copyright-holder xml:lang="en">Commercial Publisher «New Technologies»</copyright-holder><license xlink:href="https://mech.novtex.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://mech.novtex.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://mech.novtex.ru/jour/article/view/1055">https://mech.novtex.ru/jour/article/view/1055</self-uri><abstract><p>Рассматривается задача моделирования динамики параллельного полноприводного тросового робота с включением конструктивной нелинейности тросов в математическую модель, реализуемую в компьютерной модели с возможностью использования символьных вычислений. Параллельные тросовые роботы как вид робототехники получили постепенное распространение и признание в последние три десятилетия. Вместе с расширением практического использования тросовых роботов осуществлялись исследования в теоретической области, и происходило уточнение математической модели тросовой системы. Составление динамической модели тросового робота является нетривиальной задачей. Тросовые роботы являются сильно нелинейными системами, основной причиной нелинейности становятся свойства тросовой системы. Как элемент механической системы трос является односторонней связью, поскольку трос работает только на растяжение, но не на сжатие. Таким образом, тросы являются конструктивно нелинейными элементами системы. Вместе с тем, тросы обладают свойством провисания под собственным весом. Таким образом, тросы являются геометрически нелинейными элементами системы. При условии высокой нагруженности тросовой системы, т. е. при массе полезной нагрузки, многократно превышающей массу каждого отдельно взятого троса, можно считать тросы натянутыми без провисания и пренебречь геометрической нелинейностью. Поскольку в компьютерной модели, реализующей математическую модель динамики тросового робота, могут использоваться символьные вычисления, становится необходимым включение условия конструктивной нелинейности таким способом, чтобы обеспечить возможность символьных вычислений.</p><p>Целью настоящего исследования является разработка метода, обеспечивающего включение конструктивной нелинейности тросовой системы в математическую модель с учетом возможной реализации компьютерной модели на символьных вычислениях. Рассматривается проблема включения математической модели тросов как односторонних связей в модели высоконагруженных тросовых роботов. Приводятся обоснования для включения функций активации в систему уравнений динамики тросового робота. С использованием предложенного метода и с учетом сопротивления тросов только растяжению, но не сжатию, получено численное решение прямой задачи динамики высоконагруженного параллельного тросового робота с включением функций активации в систему дифференциальных уравнений модели динамики.</p></abstract><trans-abstract xml:lang="en"><p>The paper deals with a problem of modeling of the dynamics of a parallel cable-driven robot with the inclusion of structural nonlinearity of cables in a mathematical model. Mathematical model is implemented in a computer model with the possibility of using of symbolic calculations. Parallel cable robots as a type of robotics have been developing in the last two or three decades. The research in the theoretical field was being carried out and the mathematical model of the cable system was being refined with the spread of the practical use of cable robots. This is a non-trivial task to draw up a dynamic model of a cable-driven robot. Cable-driven robots are highly nonlinear systems, because of the main reason for the nonlinearity is the properties of the cable system. As an element of a mechanical system, the cable or the wire rope is a unilateral constraint, since the cable works only for stretching, but not for compression. Thus, the cables are structurally nonlinear elements of the system. On the other hand, cables have the property of sagging under their own weight. Thus, the cables are geometrically nonlinear elements of the system. Under the condition of a payload mass that is utterly greater than the mass of each cable, the cables can be considered strained without sagging and geometric nonlinearity can be neglected. Since symbolic computations can be used in a computer model which implements a mathematical model of the dynamics of a robot, in such a way it must provide the possibility of symbolic computations with the condition of structural nonlinearity. The main aim of this work is to develop a method that ensures the inclusion of the structural nonlinearity of the cable system in the mathematical model. It is supposed to consider the possibility of implementation of the computer model with symbolic computations. The problem of including a mathematical model of cables as unilateral constraints in the model of highly loaded cable robots is considered. The justification for including the activation functions in a system of differential equations of dynamics of cable-driven robot is formulated. A model of wire ropes as unilateral constraints is represented via including the activation functions in a system of differential equations. With using of the proposed method, numerical solution of a problem of forward dynamics has been obtained for high-loaded parallel cable-driven robot.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тросовый робот</kwd><kwd>функция активации</kwd><kwd>дифференциальные уравнения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cable-driven robot</kwd><kwd>activation function</kwd><kwd>differential equations</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке РФФИ (грант 19-08-01234)</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">Irvine H. M. Cable structures. The MIT Press, 1981. 259 p.</mixed-citation><mixed-citation xml:lang="en">Irvine H. M. 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