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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.21.323-336</article-id><article-id custom-type="elpub" pub-id-type="custom">novtexmech-821</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>СИСТЕМНЫЙ АНАЛИЗ, УПРАВЛЕНИЕ И ОБРАБОТКА ИНФОРМАЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SYSTEM ANALYSIS, CONTROL AND INFORMATION PROCESSING</subject></subj-group></article-categories><title-group><article-title>S-синхронизация, структурная идентифицируемость и идентификация нелинейных динамических систем</article-title><trans-title-group xml:lang="en"><trans-title>S-synchronization Structural Identiﬁability and Identiﬁcation of Nonlinear Dynamic Systems</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>Карабутов</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Karabutov</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р техн. наук, проф.</p><p>г. Москва</p></bio><bio xml:lang="en"><p>DTS, Professor</p><p>Moscow, 119454</p></bio><email xlink:type="simple">kn22@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА (Российский технологический университет); Московская государственная академия водного транспорта</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA — Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>04</day><month>06</month><year>2020</year></pub-date><volume>21</volume><issue>6</issue><fpage>323</fpage><lpage>336</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Commercial Publisher «New Technologies», 2020</copyright-statement><copyright-year>2020</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/821">https://mech.novtex.ru/jour/article/view/821</self-uri><abstract><p>Предложен подход к анализу структурной идентифицируемости нелинейных динамических систем в условиях неопределенности. Показано, что структурная идентифицируемость нелинейной системы возможна только в случае выполнения условия S-синхронизации. Рассмотрены условия, при которых можно получить модель для выделения нелинейной части системы. Предложен способ получения множества, содержащего информацию о нелинейной части системы. Введен класс геометрических структур, которые отражают состояние нелинейной части системы. Геометрические структуры определены на указанном множестве. Приведены условия структурной неразличимости геометрических структур на множестве S-синхронизирующих входов. Рассмотрены условия локальной идентифицируемости нелинейной части. Показано, что не S-синхронизирующий вход дает незначимую геометрическую структуру, что ведет к структурной неидентифицируемости нелинейной части системы. Описан способ оценки структурной идентифицируемости нелинейной части. Приведены условия параметрической идентифицируемости линейной части системы. Показано, что структурная идентифицируемость является основой для структурной идентификации системы. Предложен метод иерархического погружения для оценки структурных параметров нелинейной системы. Показан пример его применения.</p></abstract><trans-abstract xml:lang="en"><p>An approach to the structural identifiability analysis of nonlinear dynamic systems under uncertainty is proposed. We have shown that S-synchronization is the necessary condition for the structural identifiability of a nonlinear system. Conditions are obtained for the design of a model which identifies the nonlinear part of the system. The method is proposed for the obtaining of a set which contains the information on the nonlinear part. A class of geometric frameworks which reflect the state of the system nonlinear part is introduced. Geometrical frameworks are defined on the synthesized set. The conditions are given for the structural indistinguishability of geometric frameworks on the set of S-synchronizing inputs. Local identifiability conditions are obtained for the nonlinear part. We are shown that a non-synchronizing input gives an insignificant geometric framework. This leads to a structural non-identifiability of the system nonlinear part. The method is proposed for the estimation of the structural identifiability the nonlinear part of the system. Conditions for parametric identifiability of the system linear part are obtained. We show that the structural identifiability is the basis for the structural identification of the system. The hierarchical immersion method is proposed for the estimation of nonlinear system structural parameters. The method is used for the structural identification of a system with Bouc-Wen hysteresis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>структура</kwd><kwd>нелинейная динамическая система</kwd><kwd>структурная идентифицируемость</kwd><kwd>S-синхронизируемость</kwd><kwd>иерархическое погружение</kwd><kwd>структурная идентификация</kwd><kwd>гистерезис Бука—Вена</kwd></kwd-group><kwd-group xml:lang="en"><kwd>framework</kwd><kwd>nonlinear dynamic system</kwd><kwd>structural identifiability</kwd><kwd>S-synchronizability</kwd><kwd>hierarchical immersion</kwd><kwd>structural identification</kwd><kwd>Bouc-Wen hysteresis</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">Kalman R. E. On the general theory of control systems // Proceeding first IFAC Congress on Automatic Control. Moscow, 1960; Butterworths, London, 1961. Vol. 1. 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