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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">pribor</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Instrument Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3454</issn><issn pub-type="epub">2500-0381</issn><publisher><publisher-name>Национальный исследовательский университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/0021-3454-2026-69-7-631-642</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-569</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>МЕТОДЫ И ПРИБОРЫ ДЛЯ АНАЛИЗА И КОНТРОЛЯ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Модель системы беспроводного заряда при функционировании в морской воде в условиях качки. Ч. 1</article-title><trans-title-group xml:lang="en"><trans-title>Model of a wireless charging system operating in seawater under rough sea conditions. P. 1</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>Семыкина</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Semykina</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Юрьевна Семыкина     — д-р техн. наук, доцент; Институт природно-технических систем, лаборатория гидрофизических и биоэлектронных измерительных систем и технологий, гл. научный сотрудник.</p><p>Севастополь</p></bio><bio xml:lang="en"><p>Irina Yu. Semykina         — Dr. Sci., Associate Professor; Institute of Natural and Technical Systems, Laboratory of Hydrophysical and Bioelectronic Measuring Systems and Technologies; Chief Researcher.</p><p>Sevastopol</p></bio><email xlink:type="simple">arinasemykina@gmail.com</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>Смокталь</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Smoktal</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Николаевич Смокталь        — Институт природно-технических систем, лаборатория гидрофизических и биоэлектронных измерительных систем и технологий; инженер.</p><p>Севастополь</p></bio><bio xml:lang="en"><p>Nikolay N. Smoktal        — Institute of Natural and Technical Systems, Laboratory of Hydrophysical and Bioelectronic Measuring Systems and Technologies; Engineer.</p><p>Sevastopol</p></bio><email xlink:type="simple">niccos.sm@gmail.com</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>Велиляев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Velilyaev</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амет-хан Станиславович Велиляев — Институт природно-технических систем, лаборатория гидрофизических и биоэлектронных измерительных систем и технологий; инженер.</p><p>Севастополь</p></bio><bio xml:lang="en"><p>Amet-Khan S. Veliliyev  — Institute of Natural and Technical Systems, Laboratory of Hydrophysical and Bioelectronic Measuring Systems and Technologies.</p><p>Sevastopol</p></bio><email xlink:type="simple">velilyaev1999@gmail.com</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>Завьялов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavyalov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валерий Михайлович Завьялов       — д-р техн. наук, доцент; Севастопольский государственный университет, кафедра электроэнергетики; профессор.</p><p>Севастополь</p></bio><bio xml:lang="en"><p>Valery M. Zavyalov        — Dr. Sci., Associate Professor; Sevastopol State University, Department of Electric Power Engineering; Professor.</p><p>Sevastopol</p></bio><email xlink:type="simple">vmzavyalov@sevsu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт природно-технических систем</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Natural and Technical Systems</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Севастопольский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sevastopol State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2026</year></pub-date><volume>69</volume><issue>7</issue><fpage>631</fpage><lpage>642</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Национальный исследовательский университет ИТМО</copyright-holder><copyright-holder xml:lang="en">Национальный исследовательский университет ИТМО</copyright-holder><license xlink:href="https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://pribor.ifmo.ru/jour/article/view/569">https://pribor.ifmo.ru/jour/article/view/569</self-uri><abstract><p>Исследование посвящено разработке комплексной математической и компьютерной модели системы беспроводного заряда аккумуляторов автономных плавучих аппаратов, функционирующей в морской воде в условиях качки. Актуальность обусловлена отсутствием моделей, учитывающих совместное влияние переменного взаимного положения катушек и специфики высокопроводящей среды. Приведено математическое описание системы беспроводного заряда с последовательной LC-топологией. Модель системы построена на основе эквивалентных схем замещения и описывает электромагнитные процессы в резонансном контуре. Проведен анализ различных влияющих факторов: изменения взаимного расположения передающей и приемной катушек вследствие качки, вихревых токов в морской воде, паразитных емкостных связей и нелинейности полупроводниковых элементов. Для учета влияния качки предложен метод поэтапной аппроксимации, позволяющий представить взаимную индуктивность в виде полиномиальных зависимостей от параметров бортовой, килевой и вертикальной качки с сохранением точности расчета при сокращении временных затрат на вычисления. Математическое описание применимо для разработки инженерных методик расчета систем беспроводного заряда и алгоритмов управления такими системами.</p></abstract><trans-abstract xml:lang="en"><p>The research is devoted to the development of a complex mathematical and computer model of a wireless battery charging system for autonomous floating vehicles operating in seawater under rough sea conditions. The relevance is due to the lack of models that take into account the combined effect of the variable relative position of coils and the specifics of a highly conductive medium. A mathematical description of a wireless charging system with a sequential LC topology is given. The system model is based on equivalent substitution schemes and describes electromagnetic processes in a resonant circuit. The analysis of various influencing factors is carried out: changes in the relative position of the transmitting and receiving coils due to rough sea conditions, eddy currents in seawater, parasitic capacitive coupling and nonlinearity of semiconductor elements. To account for the influence of oscillatory motions, a step-by-step approximation method is proposed, which makes it possible to represent the mutual inductance in the form of polynomial dependencies on the parameters of rolling, pitching, and vertical movements while maintaining the calculation accuracy and reducing the time spent on calculations. The mathematical description is applicable to the development of engineering methods for calculating wireless charging systems and algorithms for controlling such systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>система беспроводного заряда</kwd><kwd>взаимная индуктивность</kwd><kwd>аккумуляторы</kwd><kwd>морская вода</kwd><kwd>качка</kwd><kwd>эквивалентная схема замещения</kwd><kwd>вихревые токи</kwd><kwd>паразитная емкость</kwd><kwd>полупроводниковые коммутационные элементы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wireless power transfer</kwd><kwd>mutual inductance</kwd><kwd>batteries</kwd><kwd>sea water</kwd><kwd>vessel motion</kwd><kwd>equivalent circuit</kwd><kwd>eddy currents</kwd><kwd>parasitic capacitance</kwd><kwd>power electronics</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследование выполнено при поддержке Российского научного фонда, грант № 25-29-00182 (https://rscf.ru/project/25-29-00182/)</funding-statement><funding-statement xml:lang="en">the research was supported by the Russian Science Foundation, grant No. 25-29-00182 (https://rscf.ru/project/25-29-00182/)</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">Zhe L., Tong L., Siqi L., Chunting M. 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