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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">FBUMKZ</article-id><article-id custom-type="elpub" pub-id-type="custom">gyroscopy-97</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>Бортовой двухэтапный алгоритм определения ориентации наноспутника SamSat-ION</article-title><trans-title-group xml:lang="en"><trans-title>Onboard Two-Step Attitude Determination Algorithm for a SamSat-ION Nanosatellite</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7099-4966</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крамлих</surname><given-names>А. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Kramlikh</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крамлих Андрей Васильевич – кандидат технических наук, доцент межвузовской кафедры космических исследований, член секции молодых ученых международной общественной организации «Академия навигации и управления движением»</p><p>Самара</p></bio><bio xml:lang="en"><p>Samara</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/0000-0002-2210-5546</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николаев</surname><given-names>П. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaev</surname><given-names>P. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николаев Петр Николаевич – кандидат физико-математических наук, старший научный сотрудник, НИЛ «Перспективные фундаментальные и прикладные космические исследования на базе наноспутников»</p><p>Самара</p></bio><bio xml:lang="en"><p>Samara</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рылько</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rylko</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рылько Дмитрий Владимирович  – инженер</p><p>Раменское</p><p> </p></bio><bio xml:lang="en"><p>Ramenskoye</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский национальный исследовательский университет им. академика С.П. Королёва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Samara University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «Раменское приборостроительное конструкторское бюро»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ramenskoye Design Company</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>19</day><month>05</month><year>2025</year></pub-date><volume>31</volume><issue>2</issue><fpage>65</fpage><lpage>85</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крамлих А.B., Николаев П.Н., Рылько Д.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Крамлих А.B., Николаев П.Н., Рылько Д.В.</copyright-holder><copyright-holder xml:lang="en">Kramlikh A.V., Nikolaev P.N., Rylko D.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://www.gyroscopy.ru/jour/article/view/97">https://www.gyroscopy.ru/jour/article/view/97</self-uri><abstract><p>В статье описывается состав измерительных средств (магнитометры и датчики освещенности), а также особенности структуры алгоритмического обеспечения для определения ориентации наноспутника SamSat-ION. В качестве основного алгоритма предложен фильтр Калмана, использующий только магнитометрические измерения, а в качестве вспомогательного, обеспечивающего априорную оценку кватерниона, которая поступает на вход фильтра Калмана, – алгоритм QUEST. Выполнено моделирование работы двухэтапного алгоритма, сделаны выводы о его эффективности.</p></abstract><trans-abstract xml:lang="en"><p>The paper describes the measuring aids (magnetometers and light sensors) and attitude determination algorithms of SamSat-ION nanosatellite. The Kalman filter based on magnetometer measurements only is used as a basic algorithm, and the auxiliary QUEST algorithm provides a priori estimation of the quaternion input to the Kalman filter. The two-step algorithm simulation has been performed, and its efficiency has been verified.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наноспутник SamSat-ION</kwd><kwd>определение ориентации</kwd><kwd>фильтр Калмана</kwd><kwd>бортовой алгоритм</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SamSat-ION nanosatellite</kwd><kwd>attitude determination</kwd><kwd>Kalman filter</kwd><kwd>onboard algorithm</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках проекта 0777-2020-0018, финансируемого из средств государственного задания победителям конкурса научных лабораторий образовательных организаций высшего образования, подведомственных Минобрнауки РФ.</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">Овчинников М.Ю., Ролдугин Д.С. 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