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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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26467/2079-0619-2019-22-5-19-31</article-id><article-id custom-type="elpub" pub-id-type="custom">caht-1523</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>ТРАНСПОРТ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TRANSPORT</subject></subj-group></article-categories><title-group><article-title>Алгоритмы оптимизации траекторий воздушных судов при гибкой маршрутизации</article-title><trans-title-group xml:lang="en"><trans-title>Optimization of an aircraft flight trajectory in the GLONASS dynamic accuracy field</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>Скрыпник</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Skrypnik</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скрыпник Олег Николаевич, доктор технических наук, профессор, профессор кафедры авиационного радиоэлектронного оборудования </p><p>г. Иркутск</p><p> </p></bio><bio xml:lang="en"><p>Oleg N. Skrypnik, Doctor of Technical Sciences, Full Professor, Professor of the Aviation Radio electronic Equipment Chair </p><p>Irkutsk</p></bio><email xlink:type="simple">skripnikon@yandex.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>Нечаев</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Nechaev</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нечаев Евгений Евгеньевич, доктор технических наук, профессор, заведующий кафедрой управления воздушным движением </p><p>г. Москва</p></bio><bio xml:lang="en"><p>Evgeniy E. Nechaev, Doctor of Technical Sciences, Full Professor, Head of the Air Traffic Management Chair </p><p>Moscow</p></bio><email xlink:type="simple">eenetchaev@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арефьева</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Arefyeva</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арефьева Наталья Геннадьевна, кандидат технических наук, старший преподаватель кафедры авиационного радиоэлектронного оборудования </p><p>г. Иркутск</p></bio><bio xml:lang="en"><p>Natalya G. Arefyeva, Candidate of Technical Sciences, Senior Lecturer of the Aviation Radio electronic Equipment Chair </p><p>Irkutsk</p></bio><email xlink:type="simple">n_astrahanceva_awesome@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>Арефьев</surname><given-names>Р. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Arefyev</surname><given-names>R. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арефьев Роман Олегович, кандидат технических наук, доцент кафедры авиационного радиоэлектронного оборудования</p><p>г. Иркутск</p></bio><bio xml:lang="en"><p>Roman O. Arefyev, Candidate of Technical Sciences, Associate Professor of the Aviation Radio electronic Equipment Chair </p><p>Irkutsk</p><p> </p></bio><email xlink:type="simple">seven7772009@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский филиал Московского государственного технического университета гражданской авиации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk Branch of Moscow State Technical University of Civil Aviation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный технический университет гражданской авиации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State Technical University of Civil Aviation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2019</year></pub-date><volume>22</volume><issue>5</issue><fpage>19</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скрыпник О.Н., Нечаев Е.Е., Арефьева Н.Г., Арефьев Р.О., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Скрыпник О.Н., Нечаев Е.Е., Арефьева Н.Г., Арефьев Р.О.</copyright-holder><copyright-holder xml:lang="en">Skrypnik O.N., Nechaev E.E., Arefyeva N.G., Arefyev R.O.</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://avia.mstuca.ru/jour/article/view/1523">https://avia.mstuca.ru/jour/article/view/1523</self-uri><abstract><p>Рассмотрена задача оптимизации траекторий полета воздушных судов при организации воздушного движения на основе технологий гибкой маршрутизации, предполагающих использование спутниковых навигационных систем (СНС). Показано, что при оптимизации траектории необходимо учитывать точность ее выдерживания в процессе полета, которая зависит от точности навигационной системы и внешних траекторных возмущений, например, ветра. Для решения задачи оптимизации предложено использовать методы теории графов. Разработана методика построения динамичного поля точности СНС и его представления в виде графа. Предложено поле СНС характеризовать значениями геометрического фактора, изменяющегося как в пространстве, так и во времени.</p><p>На основе теории графов (алгоритм А-star) предложена методика построения оптимальной по протяженности траектории при изменении точности СНС и внешних траекторных воздействиях. Предложен критерий оптимизации, основанный на минимизации длины линии фактического пути. Обоснована функция стоимости, учитывающая точность выдерживания траектории при навигации по СНС и влияние внешних траекторных возмущений. Представлены результаты применения алгоритма А- star для построения оптимальных траекторий полета в  условиях вариаций поля точности СНС и наличия запретных зон в предоставляемой зоне воздушного пространства.</p></abstract><trans-abstract xml:lang="en"><p>The authors consider the problem of optimization of aircraft flight trajectories in air traffic management (ATM) on the basis of flexible routing technologies which involve the use of satellite navigation systems (SNS). It is shown that in optimizing a trajectory it is necessary to take into account the accuracy of track holding during the flight which depends on the accuracy of the navigation system and external flight path disturbances, e.g. wind. For solving the task of optimization the authors propose to use the theory of graphs. The technique of constructing a dynamic SNS accuracy field and representing it as a graph was developed. It is proposed that the SNS field be characterized by geometric dilution of precision changing both in space and in time. Based on the theory of graphs (A-star algorithm) the technique of constructing a trajectory of optimal length with changing the SNS accuracy and external flight path disturbances is proposed. The criterion of optimization based on minimizing the true track is offered. The cost function taking into account the track holding accuracy in navigating by SNS and effects of external flight disturbances is justified. The article presents the results of A-star algorithm application for constructing an optimal flight trajectory under conditions of SNS accuracy field variation and presence of prohibited zones in the provided airspace.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ГЛОНАСС</kwd><kwd>геометрический фактор</kwd><kwd>оптимальная траектория</kwd><kwd>поле точности</kwd><kwd>алгоритм А-star</kwd><kwd>гибкая маршрутизация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>GLONASS</kwd><kwd>the geometrical dilution of precision</kwd><kwd>optimal trajectory</kwd><kwd>accuracy field</kwd><kwd>A-star algorithm</kwd><kwd>flexible routing</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при материальной поддержке РФФИ (грант № 19-08-00010)</funding-statement><funding-statement xml:lang="en">The study was conducted with support of the Russian Foundation for Basic Research, grant № 19-08-00010</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">Skrypnik O.N. 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