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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.1134/S2079562920010157</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-61</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>Инженерное проектирование ядерно-физической аппаратуры</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Engineering Design of Nuclear Physical Equipment</subject></subj-group></article-categories><title-group><article-title>МОДЕРНИЗАЦИЯ И МЕТОДИКА УДЕРЖАНИЯ РАБОЧЕГО РЕЖИМА УСТАНОВКИ ОГРАН (ОПТОАКУСТИЧЕСКАЯ ГРАВИТАЦИОННАЯ АНТЕННА)</article-title><trans-title-group xml:lang="en"><trans-title>Modernization and Methods of Maintaining the Operating Mode of the OGRAN (Optoacoustic Gravity Antenna) Setup</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>Руденко</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Rudenko</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский проспект, 13, Москва, 119992</p><p>пр.60-летия Октября, 7а, Москва, 117312</p></bio><bio xml:lang="en"><p>Moscow, 119992</p><p>Moscow, 117312</p></bio><email xlink:type="simple">alentin.rudenko@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>Квашнин</surname><given-names>Н. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kvashnin</surname><given-names>N. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр. Лаврентьева, 13/3, Новосибирск, 630090</p></bio><bio xml:lang="en"><p>Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Луговой</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lugovoi</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр. Лаврентьева, 13/3, Новосибирск, 630090</p></bio><bio xml:lang="en"><p>Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орешкин</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Oreshkin</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский проспект, 13, Москва, 119992</p><p>пр.60-летия Октября, 7а, Москва, 117312</p></bio><bio xml:lang="en"><p>Moscow, 119992</p><p>Moscow, 117312</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>Попов</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский проспект, 13, Москва, 119992</p></bio><bio xml:lang="en"><p>Moscow, 119992</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самойленко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Samoylenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский проспект, 13, Москва, 119992</p></bio><bio xml:lang="en"><p>Moscow, 119992</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скворцов</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Skvortsov</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пр. Лаврентьева, 13/3, Новосибирск, 630090</p></bio><bio xml:lang="en"><p>Novosibirsk, 630090</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юдин</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yudin</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Университетский проспект, 13, Москва, 119992</p></bio><bio xml:lang="en"><p> Moscow, 119992</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Астрономический институт им. П.К. Штернберга МГУ им. М.В. Ломоносова; Институт ядерных исследований РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sternberg Astronomical Institute, Moscow State University; Institute for Nuclear Research, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт лазерной физики СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Астрономический институт им. П.К. Штернберга МГУ им. М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sternberg Astronomical Institute, Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>22</day><month>04</month><year>2024</year></pub-date><volume>11</volume><issue>3</issue><fpage>152</fpage><lpage>161</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Руденко В.Н., Квашнин Н.Л., Луговой А.А., Орешкин С.И., Попов С.М., Самойленко А.А., Скворцов М.Н., Юдин И.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Руденко В.Н., Квашнин Н.Л., Луговой А.А., Орешкин С.И., Попов С.М., Самойленко А.А., Скворцов М.Н., Юдин И.С.</copyright-holder><copyright-holder xml:lang="en">Rudenko V.N., Kvashnin N.L., Lugovoi A.A., Oreshkin S.I., Popov S.M., Samoylenko A.A., Skvortsov M.N., Yudin I.S.</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://npe.elpub.ru/jour/article/view/61">https://npe.elpub.ru/jour/article/view/61</self-uri><abstract><p>Рассматривается модернизированный вариант комбинированного оптоакустического детектора гравитационного излучения ОГРАН. Эта подземная установка, расположенная в Баксанской нейтринной обсерватории, предназначена для поиска коллапсирующих звезд в Галактике совместно с нейтринным телескопом БПСТ. Оба инструмента обладают чувствительностью, позволяющей регистрировать коллапсы в нашей Галактике как редкие явления со средним темпом 0.03 события в год. Наблюдения проводятся в форме непрерывного синхронного мониторинга астрофизического фона по обоим каналам регистрации. Жесткие требования предъявляется к системам удержания рабочих режимов обоих установок. Проблема оказывается нетривиальной для гравитационного детектора ввиду сложности его систем автоматического регулирования и тонкой настройки рабочей точки. По этой причине методика и техника удержания ОГРАН в режиме мониторинга описана в деталях. Также, кратко представлены характеристики детектора ОГРАН после модернизации.</p></abstract><trans-abstract xml:lang="en"><p>An upgraded version of the combined optoacoustic gravitational radiation detector OGRAN is considered. This underground setup located at the Baksan Neutrino Observatory is designed to search for collapsing stars in the Galaxy in conjunction with the neutrino telescope BUST. Both instruments possess the sensitivity sufficient for registering collapses in our Galaxy as rare events with an average rate of 0.03 events per year. Observations are carried out in the form of continuous synchronous monitoring of the astrophysical background through both recording channels. Strict requirements are imposed on the systems for maintaining the operating modes of both installations. For the gravity detector, the problem is nontrivial owing to the complexity of its utomatic control systems and fine-tuning of the operating point. For this reason, the method and technique for maintaining the OGRAN detector in monitoring mode is described in detail. Also, the characteristics of the OGRAN detector after modernization are briefly presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гравитационное излучение</kwd><kwd>гравитационные детекторы</kwd><kwd>лазерные интерферометры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gravitational radiation</kwd><kwd>gravitational detector</kwd><kwd>laser interferometers</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность академикам С.Н. Багаеву, В.И. Пустовойту и А.М Черепащуку за неоднократные плодотворные обсуждения проблем с установкой ОГРАН и путей развития техники гравитационно-волновых детекторов в России. 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