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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.23.585-595</article-id><article-id custom-type="elpub" pub-id-type="custom">novtexmech-1269</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>Алгоритмы планирования сглаженных индивидуальных траекторий движения наземных роботов</article-title><trans-title-group xml:lang="en"><trans-title>Algorithms for Planning Smoothed Individual Trajectories of Ground Robots</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>Костюков</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostjukov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотр.</p><p>г. Таганрог</p></bio><bio xml:lang="en"><p>Cand. of Tech. Sc., Senior Researcher</p><p>Rostov-on-Don, 344006</p></bio><email xlink:type="simple">wkost-einheit@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>Медведев</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedev</surname><given-names>M. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р техн. наук, вед. науч. сотр.</p><p>г. Таганрог</p></bio><bio xml:lang="en"><p>Rostov-on-Don, 344006</p></bio><email xlink:type="simple">medvmihal@sfedu.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>Пшихопов</surname><given-names>В. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Pshikhopov</surname><given-names>V. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р техн. наук, гл. науч. сотр.</p><p>г. Таганрог</p></bio><bio xml:lang="en"><p>Rostov-on-Don, 344006</p></bio><email xlink:type="simple">pshichop@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южный федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Southern Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>03</day><month>11</month><year>2022</year></pub-date><volume>23</volume><issue>11</issue><fpage>585</fpage><lpage>595</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Commercial Publisher «New Technologies», 2022</copyright-statement><copyright-year>2022</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/1269">https://mech.novtex.ru/jour/article/view/1269</self-uri><abstract><p>Обсуждается разработка алгоритма построения траектории робототехнической платформы, движущейся в среде с препятствиями. Алгоритм основан на применении специальной локальной процедуры оптимизации на каждом шаге планирования и позволяет получать более адекватные в физическом смысле программные траектории без увеличения вычислительной сложности алгоритмов по сравнению с имеющимися методами. Алгоритм базируется на применении модернизированного метода потенциальных полей и последующем сглаживании получившейся траектории. Модернизация метода потенциальных полей заключается в обосновании параметров отталкивающего и притягивающего многообразий и новом способе детектирования и избегания локальных минимумов. При обнаружении локального минимума с помощью специального геометрического критерия алгоритм добавляет на карту дополнительное препятствие, что позволяет избежать его при дальнейшем планировании траектории. Для обхода препятствий, которые могут быть аппроксимированы многоугольниками, предложен метод эффективной точки до препятствия, являющейся эквивалентом последнего по отношению к текущему расположению движущейся робототехнической платформы при применении данного метода планирования.</p><p>Предложена двухэтапная методика сглаживания кусочно-линейной траектории. Предполагается, что имеется исходная неоптимальная кривая, найденная любым методом планирования. Данная кривая оптимизируется с использованием функционала, включающего длину траектории и отклонение оптимизированной кривой от исходной кривой. На втором этапе осуществляется сопряжение линейных отрезков планируемой прямой кривыми второго порядка. В результате планируемая траектория движения представляет собой квадратично-линейную кривую с гладкой функцией траекторной скорости. При этом предложенный способ сопряжения прямолинейных участков траектории не требует резких изменений скорости при прохождении поворотов.</p><p>Рассматриваются и обсуждаются результаты моделирования, подтверждающие эффективность предлагаемой методики планирования траекторий движения роботов.</p></abstract><trans-abstract xml:lang="en"><p>The article is devoted to the development of an algorithm for constructing the trajectory of a robotic platform moving in an environment with obstacles. This algorithm is based on the application of a special local optimization procedure at each planning step and allows us to obtain feasible program trajectories without increasing the computational complexity of algorithms compared to existing methods. The algorithm is based on the application of the improved method of potential fields and subsequent smoothing of the resulting trajectory. The improving of the potential field method consists in a new way of detecting and avoiding local minima. When a local minimum is detected, it is added to the map as an additional obstacle, which makes it possible to avoid it during further trajectory planning. To circumvent obstacles that can be approximated by polygons, the method of the effective point to the obstacle is proposed, which is the equivalent of the latter in relation to the current location of the moving robotic platform when using this planning method. A two-stage technique for smoothing piecewise linear trajectories is proposed. It is assumed that there is some initial suboptimal curve found by any planning method. This curve is optimized using a functional that includes the length of the trajectory and the deviation of the optimized curve from the original curve. At the second stage, the linear segments of the planned straight line are conjugated with second-order curves. As a result, the planned trajectory of motion is a quadratic-linear curve with a smooth function of the trajectory velocity. At the same time, the proposed method of coupling rectilinear sections of the trajectory does not require sudden changes in speed when passing turns. Simulation results confirming the effectiveness of the proposed method of planning the trajectories of robots are considered and discussed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>планирование траекторий</kwd><kwd>гладкие траектории</kwd><kwd>локальные минимумы</kwd><kwd>робототехническая платформа</kwd><kwd>двумерная среда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>trajectory planning</kwd><kwd>smooth trajectories</kwd><kwd>local minima</kwd><kwd>robotic platform</kwd><kwd>two-dimensional environment</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">*Исследование выполнено при финансовой поддержке РНФ в рамках научного проекта № 22-29-00370.</funding-statement><funding-statement xml:lang="en">The study was carried out with the financial support of the Russian Science Foundation, project No. 22-29-00370 performed at Joint-Stock Company "Robotics and Control Systems".</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">Hart P. 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