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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestifm-256</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>ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATICS</subject></subj-group></article-categories><title-group><article-title>ОПТИМИЗАЦИЯ ВЫПУСКА КОМПЛЕКТОВ ИЗДЕЛИЙ И ИНТЕНСИВНОСТЕЙ ИХ ИЗГОТОВЛЕНИЯ В УСЛОВИЯХ СЛУЧАЙНОГО СПРОСА</article-title><trans-title-group xml:lang="en"><trans-title>OPTIMIZING THE OUTPUT OF PRODUCT BATCHES AND INTENSITY OF THEIR MANUFACTURE UNDER RANDOM DEMAND</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>Левин</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Levin</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, главный научный сотрудник лаборатории исследования операций</p></bio><bio xml:lang="en"><p>D. Sc. (Engineering), Principle Researcher of the Operational Research Laboratory</p></bio><email xlink:type="simple">levin@newman.bas-net.by</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>Розин</surname><given-names>Б. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozin</surname><given-names>B. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, ведущий научный сотрудник лаборатории исследования операций</p></bio><bio xml:lang="en"><p>Ph. D. (Engineering), Leading Researcher of the Operational Research Laboratory</p></bio><email xlink:type="simple">ozin@newman.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт проблем информатики Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>United Institute of Informatics Problems of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>06</day><month>08</month><year>2017</year></pub-date><volume>0</volume><issue>2</issue><fpage>110</fpage><lpage>118</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Левин Г.М., Розин Б.М., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Левин Г.М., Розин Б.М.</copyright-holder><copyright-holder xml:lang="en">Levin G.M., Rozin B.M.</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://vestifm.belnauka.by/jour/article/view/256">https://vestifm.belnauka.by/jour/article/view/256</self-uri><abstract><p>Рассматривается задача оптимизации на ряде временных интервалов программы выпуска производственной линией комплектов изделий нескольких наименований и интенсивностей их изготовления. Линия состоит из ряда линейно упорядоченных рабочих позиций без буферов. Заготовки из входной последовательности, состоящей из циклически повторяющихся идентичных подпоследовательностей (комплектов), обрабатываются последовательно одна за другой на каждой рабочей позиции линии в порядке их расположения, и в каждый момент времени на каждой позиции обрабатывается только одна заготовка. Работа линии состоит из тактов одновременной обработки на всех позициях всех расположенных на них заготовок соответствующими позициям и заготовкам наборами инструментов. Состав комплекта не изменяется от интервала к интервалу. Диапазоны возможных величин спроса на каждое изделие комплекта и распределение вероятностей спроса в этих диапазонах считаются известными для каждого временного интервала. В качестве целевой функции используется сумма производственных затрат, затрат на хранение невостребованных изделий и/или штрафов за неудовлетворенный спрос на них. Производственные затраты зависят от принимаемой интенсивности обработки и возрастают с увеличением количества комплектов, выпускаемых в текущем интервале. Затраты на хранение невостребованных изделий каждого наименования, а также штрафы за недопоставленные заказчикам изделия не убывают с ростом числа таких изделий. Предложен двухуровневый декомпозиционный метод решения задачи, основанный на идеях многошаговой оптимизации. </p></abstract><trans-abstract xml:lang="en"><p>The problem of optimizing the output of multi-product batch and the intensities of its items manufacture in the production line over a number of time intervals is considered. The line has a linearly ordered multiple positions without buffers. Workpieces of the input sequence composed of cyclically repeated identical subsequences (batches) are processed consecutively one by one in each working position in the order of their location in the line. Only a single workpiece is disposed in each position at each time point. The operation of the line consists of takts of simultaneous processing of all workpieces located in respective positions by the sets of tools corresponding to workpieces and positions. The composition of a batch does not vary from interval to interval. The ranges of possible demand quantities for each product and the probability distribution of the demand in these ranges are assumed known for each time interval. The sum of manufacturing cost, costs of storage and/or penalties for unmet demand on products is used as objective function. Manufacturing cost depends on processing intensities to be defined and increases with an increase in the number of batches produced in the current interval. Storage cost of unclaimed product units as well as penalty for product units not supplied to the customer do not decrease with the increase of number of such units. A two-level decomposition method for solving the problem based on the ideas of multi-step optimization is proposed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>комплект изделий</kwd><kwd>размер партии</kwd><kwd>интенсивность обработки</kwd><kwd>случайный спрос</kwd><kwd>минимизация затрат</kwd><kwd>декомпозиционный метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>batch of products</kwd><kwd>lot size</kwd><kwd>processing intensity</kwd><kwd>random demand</kwd><kwd>cost minimization</kwd><kwd>decomposition method</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">Karimi, B. The capacitated lot sizing problem: a review of models and algorithms / B. Karimi, S. Fatemi Ghomi, J. M. Wilson // Omega. – 2003. – Vol. 31, № 5. – P. 365–378.</mixed-citation><mixed-citation xml:lang="en">Karimi B., Fatemi Ghomi S., Wilson J. M. 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