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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">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2022-22-1-18-24</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-254</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>АВТОМАТИЧЕСКОЕ УПРАВЛЕНИЕ И РОБОТОТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AUTOMATIC CONTROL AND ROBOTICS</subject></subj-group></article-categories><title-group><article-title>Новый алгоритм идентификации частоты синусоидального сигнала с постоянными параметрами</article-title><trans-title-group xml:lang="en"><trans-title>A new algorithm for the identification of sinusoidal signal frequency  with constant parameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6430-1927</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нгуен</surname><given-names>Х. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>Kh. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нгуен Хак Тунг — аспирант</p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Khac Tung Nguyen — PhD Student</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">nguyenkhactunghvhq1994@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/0000-0002-8345-7553</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Власов</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlasov</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Власов Сергей Михайлович — кандидат технических наук, доцент</p><p>sc 55355689600</p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Sergey M. Vlasov — PhD, Associate Professor</p><p>sc 55355689600</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">smvlasov@itmo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8806-4057</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пыркин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pyrkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пыркин Антон Александрович — доктор технических наук, профессор, профессор, декан факультета</p><p>sc 26656070700</p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Anton A. Pyrkin — D.Sc., Full Professor, Dean</p><p>sc 26656070700</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">a.pyrkin@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/0000-0003-4565-5652</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Popkov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Попков Иван Владимирович — студент</p><p>Санкт-Петербург, 197101</p></bio><bio xml:lang="en"><p>Ivan V. Popkov — Student</p><p>Saint Petersburg, 197101</p></bio><email xlink:type="simple">vanta.jesus.2015@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>16</day><month>12</month><year>2024</year></pub-date><volume>22</volume><issue>1</issue><fpage>18</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нгуен Х.Т., Власов С.М., Пыркин А.А., Попков И.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Нгуен Х.Т., Власов С.М., Пыркин А.А., Попков И.В.</copyright-holder><copyright-holder xml:lang="en">Nguyen K.T., Vlasov S.M., Pyrkin A.A., Popkov I.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://ntv.elpub.ru/jour/article/view/254">https://ntv.elpub.ru/jour/article/view/254</self-uri><abstract><p>Предмет исследования. Рассмотрено решение проблемы идентификации частоты синусоидального сигнала с постоянными паратметрами. Данная задача актуальна при компенсации возмущений, управлении динамическими объектами и в ряде других задач. Предложен метод улучшения качества оценивания частоты синусоидального сигнала и обеспечения экспоненциальной сходимости к нулю ошибок оценивания. Метод. На первом этапе синусоидальный сигнал представлен как выходной сигнал линейного генератора конечной размерности. Параметры сигнала (амплитуда, фаза и частота) неизвестны. На втором этапе применены Жорданова форма матрицы и оператор запаздывания для параметризации синусоидального сигнала. После ряда специальных преобразований получено простейшее уравнение, содержащее произведение одного зависящего от частоты неизвестного параметра и известной функции времени. Для поиска неизвестного параметра использованы методы градиентного спуска и наименьших квадратов. Основные результаты. Представлен новый алгоритм параметризации синусоидального сигнала. Решение задачи основано на преобразовании модели сигнала к линейному регрессионному уравнению. Задача решена с использованием методов градиентного спуска и наименьших квадратов настройки на базе линейного регрессионного уравнения, полученного путем параметризации синусоидального сигнала. Выполнен анализ возможностей предложенного метода оценивания с использованием компьютерного моделирования в среде MATLAB (Simulink). Результаты моделирования подтвердили сходимость ошибок оценивания частоты к истинным значениям. Практическая значимость. Разработанный метод может быть эффективно применен для широкого класса прикладных задач, связанных с компенсацией или подавлением возмущений, описываемых синусоидальным или мультисинусоидальным сигналами, в частности в задачах управления надводным судном с компенсацией синусоидальных возмущений.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents a solution for identifying the frequency of a sinusoidal signal with constant parameters. The issue can be relevant for compensation of disturbances, control of dynamic objects, and other tasks. The authors propose a method to improve the quality of the estimation of the sinusoidal signal frequency and to ensure exponential convergence to zero of the estimation errors. At the first stage, the sinusoidal signal is presented as an output signal of a linear generator of finite dimension. The signal parameters (amplitude, phase, and frequency) are unknown. At the second stage, the Jordan form of the matrix and the delay operator are applied to parameterize the sinusoidal signal. After a series of special transformations, the simplest equation is obtained containing product of one frequency-dependent unknown parameter and a known function of time. To find the unknown parameter, the authors used the methods of gradient descent and least squares. A new algorithm for the parametrization of a sinusoidal signal is presented. The solution is based on transforming the signal model to a linear regression equation. The problem is solved using gradient descent and least squares tuning methods based on a linear regression equation obtained by parametrizing a sinusoidal signal. The results involve the analysis of the capabilities of the proposed estimation method using computer modeling in the Matlab environment (Simulink). The results confirmed the convergence of the frequency estimation errors to the true values. The developed method can be effectively applied to a wide class of tasks related to compensating or suppressing disturbances described by sinusoidal or multisinusoidal signals, for example, to control a surface vessel with compensation of sinusoidal disturbances.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>синусоидальные сигналы</kwd><kwd>идентификация</kwd><kwd>Жорданова форма матрицы</kwd><kwd>линейная регрессионная модель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sinusoidal signal</kwd><kwd>identification</kwd><kwd>Jordan form of the matrix</kwd><kwd>linear regression model</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">Pyrkin A.A., Bobtsov A.A., Efimov D., Zolghadri A. Frequency estimation for periodical signal with noise in finite time // Proc. of the 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC). 2011. 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