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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">avroen</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник. Серия "Авиационно-ракетное и энергетическое машиностроение"</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2588-0373</issn><issn pub-type="epub">2587-764X</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/2588-0373-2023-7-1-61-69</article-id><article-id custom-type="elpub" pub-id-type="custom">avroen-60</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>АВИАЦИОННАЯ И РАКЕТНО-КОСМИЧЕСКАЯ ТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AVIATION AND ROCKET-SPACE ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Исследование виброзащитной системы сиденья с квазинулевой жесткостью при стохастических воздействиях на элементы ходового оборудования автогрейдера</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of vibration protection system of a seat with quasi-zero stiffness under stochastic effects on the elements of running equipment of a motor grader</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5104-7568</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корытов</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Korytov</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Корытов Михаил Сергеевич - доктор технических наук, доцент (Россия), профессор кафедры «Автомобильный транспорт» Сибирского государственного автомобильно-дорожного университета (СибАДИ), SPIN-код: 2921-4760. AuthorID (РИНЦ): 352677. AuthorID (SCOPUS): 57035238500. ResearcherID: B-5667-2015.</p><p>644080, Омск, пр. Мира, 5</p></bio><bio xml:lang="en"><p>Korytov Mikhail Sergeyevich, Doctor of Technical Sciences, Associate Professor, Professor of Road Transport Department, Siberian State Automobile and Highway University (SibADI), SPIN-code: 2921-4760. AuthorID (RSCI): 352677. AuthorID (SCOPUS): 57035238500. ResearcherID: B-5667-2015.</p><p>Omsk, Mira Ave., 5, 644080</p></bio><email xlink:type="simple">kms142@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3084-2271</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щербаков</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherbakov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щербаков Виталий Сергеевич - доктор технических наук, профессор (Россия), профессор кафедры «Автоматизация и энергетическое машиностроение» СибАДИ, SPIN-код: 6171-2320. AuthorID (РИНЦ): 485687. AuthorID (SCOPUS): 57034922100. ResearcherID: N-1716-2017.</p><p>644080, Омск, пр. Мира, 5</p></bio><bio xml:lang="en"><p>Shcherbakov Vitaliy Sergeyevich - Doctor of Technical Sciences, Professor, Professor of Automation and Power Engineering Department, SibADI, SPIN-code: 6171-2320. AuthorID (RSCI): 485687. AuthorID (SCOPUS): 57034922100. ResearcherID: N-1716-2017.</p><p>Omsk, Mira Ave., 5, 644080</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/0000-0002-0631-564X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кашапова</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashapova</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кашапова Ирина Евгеньевна, аспирант кафедры «Автоматизация и энергетическое машиностроение» СибАДИ, SPIN-код: 8011-6829. AuthorID (РИНЦ): 1053624. AuthorID (SCOPUS): 57563069600.</p><p>644080, Омск, пр. Мира, 5</p></bio><bio xml:lang="en"><p>Kashapova Irina Evgen’yevna - Graduate Student of Automation and Power Engineering Department, SibADI, SPIN-code: 8011-6829. AuthorID (RSCI): 1053624. AuthorID (SCOPUS): 57563069600.</p><p>Omsk, Mira Ave., 5, 644080</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Сибирский государственный автомобильно-дорожный университет<country>Россия</country></aff><aff xml:lang="en">Siberian State Automobile and Highway University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2023</year></pub-date><volume>7</volume><issue>1</issue><fpage>61</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Корытов М.С., Щербаков В.С., Кашапова И.Е., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Корытов М.С., Щербаков В.С., Кашапова И.Е.</copyright-holder><copyright-holder xml:lang="en">Korytov M.S., Shcherbakov V.S., Kashapova I.E.</copyright-holder><license 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://ariem.omgtu.ru/jour/article/view/60">https://ariem.omgtu.ru/jour/article/view/60</self-uri><abstract><p>При помощи разработанной в среде Matlab комплексной имитационной математической модели автогрейдера, включающей подсистемы виброзащитных опор кабины, виброзащитного механизма сиденья оператора, задания стохастических воздействий на элементы ходового оборудования при движении по микрорельефу, проведен вычислительный эксперимент, при обработке результатов которого установлено влияние ряда параметров системы на среднеквадратичное отклонение ускорения сиденья в вертикальном направлении. В качестве варьируемых параметров выступали cреднеквадратичное отклонение вертикальных координат микропрофиля опорной поверхности; скорость перемещения автогрейдера; величина зоны квазинулевой жесткости виброзащитного механизма сиденья оператора; величина прибавки коэффициента жесткости пружины виброзащитного механизма, задающая наклон среднего участка статической силовой характеристики виброзащитного механизма. Увеличение величины зоны квазинулевой жесткости позволяет в несколько раз снизить среднее значение среднеквадратичного отклонения ускорения сиденья для совокупности перемещений при различных высотах профиля и скорости. Придание средней части статической характеристики небольшого наклона также позволяет незначительно уменьшить среднее значение среднеквадратичного отклонения сиденья.</p></abstract><trans-abstract xml:lang="en"><p>With the help of a complex simulation mathematical model of a motor grader developed in the Matlab environment, including subsystems of vibration-protective cab supports, a vibration-protective mechanism of the operator's seat, setting stochastic effects on the elements of running equipment when moving along a microrelief, a computational experiment is carried out, when processing the results of which, the influence of a number of system parameters on the root-mean-square seat acceleration deviation in the vertical direction. The variable parameters are the root mean square deviation of the vertical coordinates of the microprofile of the supporting surface, the speed of motion of the motor grader, the size of the zone of quasi-zero stiffness of the vibration protection mechanism of the operator's seat, the value of the increase in the spring stiffness coefficient of the vibration protection mechanism, which sets the slope of the average section of the static power characteristic of the vibration protection mechanism. An increase in the size of the zone of quasi-zero stiffness allows several times to reduce the average value of the root-mean-square deviation of the seat acceleration for a set of movements at various profile heights and speeds. Giving the middle part of the static characteristic a small slope also allows a slight decrease in the average value of the standard deviation of the seat.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>виброзащита</kwd><kwd>вибрация</kwd><kwd>сиденье</kwd><kwd>квазинулевая жесткость</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vibration protection</kwd><kwd>vibration</kwd><kwd>seat</kwd><kwd>quasi-zero stiffness</kwd><kwd>modeling</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">Mian J., Shoushi L., Yong G., Jigang W. The improvement on vibration isolation performance of hydraulic excavators based on the optimization of powertrain mounting system // Advances in mechanical engineering. 2019. Vol. 11, no. 5. DOI: 10.1177/1687814019849988.</mixed-citation><mixed-citation xml:lang="en">Mian J., Shoushi L., Yong G., Jigang W. 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