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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">gyroscopy</journal-id><journal-title-group><journal-title xml:lang="ru">Гироскопия и навигация</journal-title><trans-title-group xml:lang="en"><trans-title>Giroskopiya i Navigatsiya / Gyroscopy and Navigation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7035</issn><issn pub-type="epub">2075-0927</issn><publisher><publisher-name>AO «Концерн «ЦНИИ «Электроприбор»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="edn" pub-id-type="custom">UJEDLU</article-id><article-id custom-type="elpub" pub-id-type="custom">gyroscopy-44</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Применение обобщенного фильтра Калмана с сингулярной декомпозицией при оценке ориентации наноспутников на основе кинематических и динамических моделей</article-title><trans-title-group xml:lang="en"><trans-title>SVD-Aided EKF for Nanosatellite Attitude Estimation Based on Kinematic and Dynamic Relations</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3924-5422</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Джильден-Гулер</surname><given-names>Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Cilden-Guler</surname><given-names>D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джильден-Гулер Демет, доцент</p><p>Стамбул</p></bio><bio xml:lang="en"><p>Istanbul</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4115-341X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гаджиев</surname><given-names>Чю</given-names></name><name name-style="western" xml:lang="en"><surname>Hajiyev</surname><given-names>Ch.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гаджиев Чингиз, доктор наук, профессор</p></bio><bio xml:lang="en"><p>Istanbul</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Стамбульский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Istanbul Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Стамбульский технический университет.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Istanbul Technical 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>18</day><month>05</month><year>2025</year></pub-date><volume>31</volume><issue>4</issue><fpage>138</fpage><lpage>156</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Джильден-Гулер Д., Гаджиев Ч., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Джильден-Гулер Д., Гаджиев Ч.</copyright-holder><copyright-holder xml:lang="en">Cilden-Guler D., Hajiyev C.</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.gyroscopy.ru/jour/article/view/44">https://www.gyroscopy.ru/jour/article/view/44</self-uri><abstract><p>В статье определяются углы ориентации малых спутников по измерениям звездных датчиков и интегрирующих гироскопов. Дрейф гироскопов учитывается путем добавления смещения нуля в вектор состояния и его оценивания. В качестве метода оценивания применяется двухэтапный фильтр нетрадиционной структуры. На первом этапе используется сингулярная декомпозиция (СД) для формирования измерений, определяющих ориентацию. На втором – сформированные линейные измерения обрабатываются с помощью обобщенного фильтра Калмана (ОФК). Эти два этапа объединены в единый алгоритм ОФК-СД, что обеспечивает высокую точность оценивания ориентации спутника.</p><p>В предложенном алгоритме ОФК-СД используются два типа моделей – кинематическая (без учета динамики движения спутника) и полная, учитывающая и динамику. Чтобы определить уровень, при котором погрешность ОФК-СД- фильтра, обрабатывающего полную модель, превысит результат обработки им кинематической модели, рассматриваются несколько вариантов априорных значений неопределенностей знания главного момента инерции спутника.</p></abstract><trans-abstract xml:lang="en"><p>Small satellite attitude angles are estimated using measurements of star trackers and rate gyro in this study. The issue related to gyro drifts is overcome by adding the bias terms into the state vector in order to estimate them. As an estimation method, two-stage non-tradi tional filter is used. In the first stage, singular value decomposition (SVD) is used for de termining the attitude measurements. As a second stage, an extended Kalman filter (EKF) is designed based on linear attitude measurements. These two stages are integrated for the whole estimation algorithm in order to have estimations with high accuracy, and it is called SVD-Aided EKF.</p><p>The proposed SVD-Aided EKF is used with two attitude models of satellite: only the kine matics model which does not include the dynamics of a satellite, and both kinematics and dynamics relations. Several scales of uncertainties on the principal moment of inertia of the satellite are considered in order to determine the level when estimation error of the kinemat ics and dynamics-based filter exceeds the error of the case using only kinematics relations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оценивание ориентации</kwd><kwd>кинематика</kwd><kwd>спутник</kwd><kwd>интегрирующий гироскоп</kwd><kwd>звездный датчик</kwd><kwd>ОФК-СД</kwd></kwd-group><kwd-group xml:lang="en"><kwd>attitude estimation</kwd><kwd>kinematics</kwd><kwd>satellite</kwd><kwd>rate gyro</kwd><kwd>star tracker</kwd><kwd>SVD-Aided EKF</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">Nebylov, AV., Loparev, A.V., Nebylov, V.A., Methods for Robust Filtering Based on Numerical Characteristics of Input Processes in Solving Problems of Navigation Information Processing and Motion Control, Gyroscopy and Navigation, 2022, 13, 170–179, https://doi.org/10.1134/ S2075108722030063.</mixed-citation><mixed-citation xml:lang="en">Nebylov, AV., Loparev, A.V., Nebylov, V.A., Methods for Robust Filtering Based on Numerical Characteristics of Input Processes in Solving Problems of Navigation Information Processing and Motion Control, Gyroscopy and Navigation, 2022, 13, 170–179, https://doi.org/10.1134/ S2075108722030063.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Stepanov, O.A., Toropov, A.B., A comparison of linear and nonlinear optimal estimators in nonlinear navigation problem, Gyroscopy and Navigation, 2010, 1, 183–190, https://doi.org/10.1134/ S2075108710030053.</mixed-citation><mixed-citation xml:lang="en">Stepanov, O.A., Toropov, A.B., A comparison of linear and nonlinear optimal estimators in nonlinear navigation problem, Gyroscopy and Navigation, 2010, 1, 183–190, https://doi.org/10.1134/ S2075108710030053.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Hajiyev, C., Cilden-Guler, D., Review on Gyroless Attitude Determination Methods for Small Satellites, Progress in Aerospace Sciences, 2017, 90, 54–66, https://doi.org/10.1016/j.paerosci.2017.03.003.</mixed-citation><mixed-citation xml:lang="en">Hajiyev, C., Cilden-Guler, D., Review on Gyroless Attitude Determination Methods for Small Satellites, Progress in Aerospace Sciences, 2017, 90, 54–66, https://doi.org/10.1016/j.paerosci.2017.03.003.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Lefferts, E.J., Markley, F.L., Shuster, M.D. (1982) Kalman filtering for spacecraft attitude estimation. 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