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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2024-10-41-48</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-2212</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>МЕХАНИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Электромеханическая математическая модель криволинейного крутильно-изгибного пьезоэлектрического актюатора</article-title><trans-title-group xml:lang="en"><trans-title>Electromechanical mathematical model of curvilinear torsional-bending piezoelectric actuator</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8477-5206</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паньков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pan’kov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Анатольевич Паньков, д.ф.-м.н., профессор кафедры механики композиционных материалов и конструкций ПНИПУ</p><p>Пермь</p></bio><bio xml:lang="en"><p>Аndrey A. Pan’kov</p><p>Perm</p></bio><email xlink:type="simple">a_a_pankov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пермский национальный исследовательский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm National Research Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>12</month><year>2024</year></pub-date><volume>0</volume><issue>10</issue><fpage>41</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/2212">https://www.izmt.ru/jour/article/view/2212</self-uri><abstract><p>Дан краткий обзор различных пьезоэлектрических актюаторов – электромеханических преобразователей электрических сигналов в перемещение. Разработана электромехническая математическая модель пьезоэлектрического крутильно-изгибного TorsBC-актюатора в виде криволинейного двухслойного биморфа кручения из двух плёночных пьезоэлектрических IncIDE-актюаторов с ориентационными углами ±π/4 встречно-штыревых электродов. Рабочий изгиб TorsBC-актюатора в поперечной плоскости осуществляется через управляемое пьезоэлектрическое закручивание вокруг продольной криволинейной оси. Крутящий момент обусловлен пьезоэлектрическими напряжениями растяжения или сжатия под углами ±π/4 к продольной оси в слоях биморфа. Полярность приложенного к выходам электродов управляющего электрического напряжения определяет знак пьезоэлектрических напряжений (растяжение или сжатие в направлениях ±π/4) слоёв биморфа кручения и, соответственно, направления закручивания и результирующего поперечного изгиба TorsBC-актюатора. Получены аналитические решения и проведён численный анализ прогиба, угла закручивания и блокирующей силы на свободном торце консоли дугообразного TorsBC-актюатора в зависимости от его геометрических и электромеханических параметров, в частности, кривизны его продольной оси. Результаты актуальны при проектировании датчиков и актюаторов изгибного типа, элементов микроэлектромеханических систем, шаговых двигателей, микрозахватов и манипуляторов для сборки микромасштабных объектов.</p></abstract><trans-abstract xml:lang="en"><p>A brief overview of various piezoelectric actuators - electromechanical converters of electrical signals of the power source into movement is given. An electromechanical mathematical model of a piezoelectric torsional-bending TorsBC-actuator in the form of a curved two-layer bimorph of torsion from two fi lm piezoelectric IncIDE-actuators with orientation angles ±π/4 interdigital electrodes was developed. The working bending of the TorsBC actuator in the transverse plane is due to controlled piezoelectric twisting around its longitudinal curvilinear axis. The torque is due to piezoelectric tensile or compressive stresses at ±π/4 angles to the longitudinal axis in the bimorph layers. The polarity of the control voltage applied to the electrode outputs determines the sign of the piezoelectric stresses (i.e. tension or compression in directions ±π/4) of the torsion bimorph layers and, as a result, determines the direction of twisting and the resulting transverse bending of the TorsBC actuator. Analytical solutions and numerical analysis of values of deflection, twist angle and blocking force on free end of cantilever arc-shaped TorsBC actuator are obtained depending on its geometrical and electro-mechanical parameters, in particular, curvature of its longitudinal axis. The results are relevant in the design of bending-type sensors and actuators, elements of microelectromechanical systems, stepper motors and manipulators for assembling microscale objects.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пьезоэлектрический актюатор</kwd><kwd>криволинейный стержень</kwd><kwd>биморф</kwd><kwd>кручение</kwd><kwd>изгиб</kwd><kwd>численное моделирование</kwd><kwd>электромеханическая математическая модель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>piezoelectric actuator</kwd><kwd>curvilinear rod</kwd><kwd>bimorph</kwd><kwd>torsion</kwd><kwd>bending</kwd><kwd>numerical modeling</kwd><kwd>electromechanical mathematical model</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Министерства науки и высшего образования Российской Федерации на выполнение фундаментальных научных исследований (проект № FSNM-2023-0006).</funding-statement><funding-statement xml:lang="en">The results were obtained within the framework of the State task of the Ministry of Science and Higher Education of the Russian Federation (project no. 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