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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">madi</journal-id><journal-title-group><journal-title xml:lang="ru">Автомобиль. Дорога. Инфраструктура. = Avtomobil'. Doroga. Infrastruktura.</journal-title><trans-title-group xml:lang="en"><trans-title>Avtomobil'. Doroga. Infrastruktura.</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2409-7217</issn><publisher><publisher-name>МАДИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">madi-1232</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>2.4.7. Турбомашины и поршневые двигатели</subject></subj-group></article-categories><title-group><article-title>Определение момента сил сопротивления ДВС</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the moment of resistance forces  of the internal combustion engine</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>Александров</surname><given-names>Антон Вячеславович</given-names></name><name name-style="western" xml:lang="en"><surname>Alexandrov</surname><given-names>Anton V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доц.</p></bio><bio xml:lang="en"><p>Ph.D., associate professor</p></bio><email xlink:type="simple">madilab@mail.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>Морозкин</surname><given-names>Тимофей Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Morozkin</surname><given-names>Timofey V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант</p></bio><bio xml:lang="en"><p>postgraduate</p></bio><email xlink:type="simple">tima.skazi@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>Долгов</surname><given-names>Иван Алексеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Dolgov</surname><given-names>Ivan A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук</p></bio><bio xml:lang="en"><p>Ph.D.</p></bio><email xlink:type="simple">bmwmadi@mail.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>Николаев</surname><given-names>Сергей Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaev</surname><given-names>Sergey E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер</p></bio><bio xml:lang="en"><p>engineer</p></bio><email xlink:type="simple">madilab@mail.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>Сергеевич</surname><given-names>Конюшков Дмитрий</given-names></name><name name-style="western" xml:lang="en"><surname>Konyushkov</surname><given-names>Dmitry S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>зав. лабораторией</p></bio><bio xml:lang="en"><p>head of the laboratory</p></bio><email xlink:type="simple">madilab@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">МАДИ<country>Россия</country></aff><aff xml:lang="en">MADI<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2023</year></pub-date><volume>0</volume><issue>2(36)</issue><fpage>14</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Александров А.В., Морозкин Т.В., Долгов И.А., Николаев С.Е., Сергеевич К.Д., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Александров А.В., Морозкин Т.В., Долгов И.А., Николаев С.Е., Сергеевич К.Д.</copyright-holder><copyright-holder xml:lang="en">Alexandrov A.V., Morozkin T.V., Dolgov I.A., Nikolaev S.E., Konyushkov D.S.</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://www.adi-madi.ru/madi/article/view/1232">https://www.adi-madi.ru/madi/article/view/1232</self-uri><abstract><p>Предлагается экспериментальная методика определения момента сил сопротивления ДВС. Эмпирическая методика определения момента сил сопротивления основана на том, что при работе двигателя без внешней нагрузки (режимы холостого хода) работа газовых сил направлена на преодоление сил сопротивления и изменение кинетической энергии подвижных деталей двигателя. Если известен момент инерции вращающихся деталей, связанных с коленчатым валом, а также массы и кинематика деталей, совершающих возвратно-поступательное и плоскопараллельное движение, то зная мгновенную угловую скорость коленчатого вала рассчитать кинетическую энергию подвижных деталей ДВС в любой момент времени. Работа сил сопротивления на некотором угловом промежутке определяется, как разность между работой газовых сил и изменением кинетической энергии подвижных деталей двигателя на этом угловом промежутке. Угловая скорость и положение коленчатого вала определяются на основании обработки сигнала штатного ДПКВ. Рассчитав изменение кинетической энергии подвижных деталей ДВС, можно найти значение действующих на них внешних крутящих моментов, одним из которых является крутящий момент от газовых сил, определение которого на основании обработки сигнала штатного ДПКВ является конечной целью работы.</p><p>На примере рядного четырехцилиндрового двигателя, описан алгоритм определения момента сил сопротивления ДВС, производится аппроксимация данных, полученных в результате двухфакторных экспериментов, полиномом третьей степени, выясняется влияние крутящего момента от газовых сил на получаемое по предложенной методике значение момента сил сопротивления ДВС.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses an experimental method for determining the moment of resistance forces of an internal combustion engine. The empirical method for determining the moment of resistance forces is based on the premise that when the engine is running without an external load (different idling modes), the work of gas forces is aimed at overcoming resistance forces and changing the kinetic energy of moving parts of the engine. If the moment of inertia of the rotating parts associated with the crankshaft is known, as well as the masses and kinematics of the parts performing reciprocating and plane-parallel motion, then knowing the instantaneous angular velocity of the crankshaft, it is possible to calculate the kinetic energy of the moving parts of the internal combustion engine at any time. The work of resistance forces at a certain angular interval is defined as the difference between the work of gas forces and the change in the kinetic energy of the moving parts of the engine at this angular interval. The angular velocity and position of the crankshaft are determined based on the signal processing of the standard crankshaft position sensor. By calculating the change in the kinetic energy of the moving parts of the internal combustion engine, it is possible to find the value of the external torques acting on them, one of which is the torque from gas forces, the determination of which, based on the signal processing of the standard crankshaft position sensor, is the ultimate goal of the work.</p><p>In the article, using the example of an in-line four-cylinder engine, an algorithm for determining the moment of ICE resistance forces is considered, the data obtained as a result of two-factor experiments are approximated by a polynomial of the third degree, and the effect of torque from gas forces on the value of the ICE resistance moment obtained by the proposed method is determined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>индицирование ДВС</kwd><kwd>ускорение коленчатого вала</kwd><kwd>кинетическая энергия деталей ДВС</kwd><kwd>работа газовых сил</kwd><kwd>момент инерции вращающихся деталей ДВС</kwd><kwd>момент сил сопротивления ДВС</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ICE indication</kwd><kwd>crankshaft acceleration</kwd><kwd>kinetic energy of internal combustion engine parts</kwd><kwd>work of gas forces</kwd><kwd>moment of inertia of rotating internal combustion engine parts</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">Александров, А.В. 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