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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">tuzsut</journal-id><journal-title-group><journal-title xml:lang="ru">Труды учебных заведений связи</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Telecommunication Universities</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-324X</issn><issn pub-type="epub">2712-8830</issn><publisher><publisher-name>СПбГУТ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31854/1813-324X-2025-11-6-7-24</article-id><article-id custom-type="edn" pub-id-type="custom">AOXJEV</article-id><article-id custom-type="elpub" pub-id-type="custom">tuzsut-742</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>КОМПЬЮТЕРНЫЕ НАУКИ И ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COMPUTER SCIENCE AND INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Целочисленная оптимизация решений по включению заданий в пакеты и порядкам выполнения пакетов в системе Flow Shop при ограничениях на доступность приборов заданной периодичности</article-title><trans-title-group xml:lang="en"><trans-title>Solutions’ Integer Optimization for Tasks Inclusion in Packages and Package Execution Orders in the Flow Shop System Under Restrictions on the Availability of Devices with a Given Frequency</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9670-6141</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кротов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krotov</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, доцент, профессор кафедры «Информационные технологии и системы» Севастопольского государственного университета</p></bio><email xlink:type="simple">krotov_k1@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Севастопольский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sevastopol State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>11</volume><issue>6</issue><fpage>7</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кротов К.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кротов К.В.</copyright-holder><copyright-holder xml:lang="en">Krotov K.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://tuzs.sut.ru/jour/article/view/742">https://tuzs.sut.ru/jour/article/view/742</self-uri><abstract><p>Эффективность процессов выполнения заданий разных типов в системах Flow Shop обеспечивается формированием пакетов и оптимизацией их порядков для осуществления операций с ними на приборах указанных систем. Процесс выполнения пакетов подвержен влиянию отказов приборов и их простоев, связанных с восстановлением. Влияние отказов и восстановления приборов может быть уменьшено за счет их предварительного технического обслуживания. В течение интервалов времени обслуживания приборы являются недоступными для реализации назначенных им функций. Путем обработки статистических данных могут быть определены интервалы времени между реализациями предварительного технического обслуживания приборов (определены периоды их доступности). По этой причине актуально решение задач оптимизации составов пакетов, их включения в интервалы времени доступности приборов, расписаний их выполнения в этих интервалах. При малых размерах задач их решения могут быть определены путем использования математических моделей смешанного целочисленного линейного программирования. </p><p>Цель работы состоит в построении новой математической модели смешанного целочисленного линейного программирования, использование которой позволяет определять оптимальные решения рассматриваемого вида. Для достижения цели в работе применены методы построения моделей математического программирования. На первом этапе реализовано формирование нелинейной математической модели целочисленного программирования. На втором этапе с целью снижения временны́х затрат на получение решений проведена линеаризация модели. Для верификации модели осуществлена разработка приложения в программе IBM ILOG CPLEX. В ходе исследований получены результаты, которые показали эффективность модели при решении задач планирования выполнения пакетов заданий в конвейерных системах при ограниченной доступности приборов. </p><p>Научная новизна результатов предполагает, что в модели использован способ передачи заданий между двумя приборами непосредственно в момент времени окончания их выполнения на предшествующем приборе. Их теоретическая значимость состоит в получении новых выражений, позволяющих определять значения индикаторных переменных при превышении значениями функций заданных границ. На основе этих выражений сформированы ограничения, обеспечивающие требование включения всех заданий разных типов в пакеты в интервалах времени доступности приборов.</p></abstract><trans-abstract xml:lang="en"><p>The efficiency of the processes of performing tasks of various types in Flow Shop systems is ensured by the formation of packages and optimization of their orders for performing operations with them on the devices of these systems. The process of package execution is affected by instrument failures and downtime associated with recovery. The impact of instrument failures and repairs can be reduced by pre-maintenance. During the maintenance time intervals, the devices are unavailable for the implementation of their assigned functions. By processing statistical data, the time intervals between the pre-maintenance of the devices can be determined (the periods of their availability are determined). For this reason, it is important to solve the problems of optimizing package compositions, their inclusion in the time intervals for the availability of devices, and schedules for their execution in these intervals. With small problem sizes, their solutions can be determined by using mathematical models of mixed integer linear programming. </p><p>The purpose of the work is to build a new mathematical model of mixed integer linear programming, the use of which allows us to determine the optimal solutions of the type under consideration. To achieve this goal, the methods of constructing mathematical programming models are used in the work. At the first stage, the formation of a nonlinear mathematical model of integer programming was implemented. At the second stage, in order to reduce the time required to obtain solutions, the model was linearized. To verify the model, an application was developed in the IBM ILOG CPLEX program. In the course of the research, results were obtained that showed the effectiveness of the model in solving the tasks of planning the execution of task packages in conveyor systems with limited availability of devices. </p><p>The scientific novelty of the results suggests that the model uses a method for transferring tasks between two devices directly at the end of their execution on the previous device. Their theoretical significance consists in obtaining new expressions that make it possible to determine the values of indicator variables when the function values exceed the specified boundaries. Based on these expressions, constraints are formed that require the inclusion of all tasks of different types in packages in the time intervals of instrument availability.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>математические модели смешанного целочисленного линейного программирования</kwd><kwd>предварительное техническое обслуживание приборов</kwd><kwd>пакеты заданий</kwd><kwd>конвейерные системы</kwd><kwd>расписания</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mathematical models of mixed integer linear programming</kwd><kwd>preliminary maintenance of devices</kwd><kwd>task packages</kwd><kwd>conveyor systems</kwd><kwd>schedules</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">Кротов К.В. 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