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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">novtexmech</journal-id><journal-title-group><journal-title xml:lang="ru">Мехатроника, автоматизация, управление</journal-title><trans-title-group xml:lang="en"><trans-title>Mekhatronika, Avtomatizatsiya, Upravlenie</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1684-6427</issn><issn pub-type="epub">2619-1253</issn><publisher><publisher-name>Commercial Publisher «New Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17587/mau.21.34-42</article-id><article-id custom-type="elpub" pub-id-type="custom">novtexmech-746</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>РОБОТЫ, МЕХАТРОНИКА И РОБОТОТЕХНИЧЕСКИЕ СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ROBOT, MECHATRONICS AND ROBOTIC SYSTEMS</subject></subj-group></article-categories><title-group><article-title>О походках оператора в пассивном экзоскелете нижних конечностей при использовании режима закрепленного колена</article-title><trans-title-group xml:lang="en"><trans-title>About the Operator’s Gaits in the Passive Exoskeleton of the Lower Extremities when Using the Fixed Knee Mode</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>Лавровский</surname><given-names>Э. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrovsky</surname><given-names>E. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. физ.-мат. наук, вед. науч. сотр.</p><p>Москва</p></bio><bio xml:lang="en"/><email xlink:type="simple">lavrov@imec.msu.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>Письменная</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pismennaya</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. техн. наук, ст. науч. сотр.</p><p>Москва</p></bio><bio xml:lang="en"/><email xlink:type="simple">epismen@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НИИ механики МГУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>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>14</day><month>01</month><year>2020</year></pub-date><volume>21</volume><issue>1</issue><fpage>34</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Commercial Publisher «New Technologies», 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Commercial Publisher «New Technologies»</copyright-holder><copyright-holder xml:lang="en">Commercial Publisher «New Technologies»</copyright-holder><license xlink:href="https://mech.novtex.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://mech.novtex.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://mech.novtex.ru/jour/article/view/746">https://mech.novtex.ru/jour/article/view/746</self-uri><abstract><p>Рассмотрена динамическая модель движения в сагиттальной плоскости пассивного экзоскелета нижних конечностей, интегрированного с аналогичной моделью человека-оператора, определяющего движение всей конструкции. Экзоскелет призван помочь оператору в перемещении дополнительного точечного груза, размещенного в "рюкзаке" на спине. Конструкция экзоскелета не имеет активных движительных элементов в шарнирах, он наделен только полуавтоматической системой запирания или освобождения коленных суставов на отдельных этапах движения, которые, однако, влияют на общий рисунок походки. Изучаются энергетические затраты и пиковые значения управляющих моментов, которые человек-оператор прилагает в процессе перемещения экзоскелета на некоторых типах регулярных, плоских, одноопорных походок. Полученные результаты позволяют оценить эффективность режима запирания-освобождения коленного сустава, используемого такими аппаратами. Были исследованы как случаи безударных переходов в режим запертого колена, так и переходы, сопровождающиеся возникновением ударных воздействий в динамической системе. При математическом моделировании масс-инерционные характеристики тела человека учитывались в соответствии с данными, принятыми в антропологии.</p></abstract><trans-abstract xml:lang="en"><p>A dynamic model of motion in the sagittal plane of the passive exoskeleton of the lower extremities, integrated with a similar model of a human operator that determines the movement of the whole structure, is considered. The exoskeleton is designed to help the operator to move additional point load, placed in the "backpack" on the back. The design of the exoskeleton does not have active propulsive elements in the joints; it is endowed with only a semi-automatic system for locking or releasing the knee joints at certain stages of movement, which, however, affect the overall gait pattern. The energy costs and peak values of the control torques that the human operator applies in the process of moving the exoskeleton on certain types of regular, flat, single-support walkings are studied. The results obtained allow us to estimate the effectiveness of the mode of locking-releasing the knee joint used by such devices. Both cases of impact-free transitions to the locked knee mode and transitions accompanied by the occurrence of shock effects in a dynamic system were investigated. In mathematical modeling, the mass inertial characteristics of the human body were taken into account in accordance with the data adopted in anthropology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пассивный экзоскелет</kwd><kwd>регулярные режимы движения</kwd><kwd>энергетические затраты</kwd><kwd>максимумы управляющих моментов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>passive exoskeleton</kwd><kwd>regular modes of movement</kwd><kwd>energy costs</kwd><kwd>maximums of control points</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">Vukobratovic M., Stepanenco J. 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