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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">sustain</journal-id><journal-title-group><journal-title xml:lang="ru">Надежность</journal-title><trans-title-group xml:lang="en"><trans-title>Dependability</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-2646</issn><issn pub-type="epub">2500-3909</issn><publisher><publisher-name>RAMS Journal Limited liability company</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21683/1729-2646-2015-0-1-5-12</article-id><article-id custom-type="elpub" pub-id-type="custom">sustain-77</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>СТРУКТУРНАЯ НАДЕЖНОСТЬ. ТЕОРИЯ И ПРАКТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STRUCTURAL RELIABILITY. THE THEORY AND PRACTICE</subject></subj-group></article-categories><title-group><article-title>МЕТОДИЧЕСКИЕ ПОГРЕШНОСТИ ПРОГНОЗИРОВАНИЯ СРЕДНЕГО РЕСУРСА ИЗДЕЛИЙ ЭЛЕКТРОННОЙ ТЕХНИКИ</article-title><trans-title-group xml:lang="en"><trans-title>METHODOLOGICAL IMPRECISION OF PREDICTION OF ELECTRONICS’ MEAN LIFE TIME</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>Кофанов</surname><given-names>Ю. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kofanov</surname><given-names>Yu. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор, президент Российской академии надежности, академик РАЕН и МАИ, профессор</p></bio><bio xml:lang="en"><p>Doctor of Technical Sciences, professor,  President of Russian Academy of Dependability, member of RAEN and MAI, professor</p></bio><email xlink:type="simple">y.Kofanov@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>Стрельников</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Strelnikov</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, академик Российской академии надежности, зам. директора по научной работе</p></bio><bio xml:lang="en"><p>Doctor of Technical Sciences, member of Russian Academy of Dependability, Deputy Director for Researches</p></bio><email xlink:type="simple">vps@immsp.kiev.ua</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИЭМ НИУ ВШЭ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIEM NIU VSHE</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт проблем математических машин и систем НАН Украины</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Institute of Mathematic Machines and Systems Problems, Ukrainian National Academy of Science</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>06</day><month>07</month><year>2016</year></pub-date><volume>0</volume><issue>1</issue><fpage>5</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кофанов Ю.Н., Стрельников В.П., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Кофанов Ю.Н., Стрельников В.П.</copyright-holder><copyright-holder xml:lang="en">Kofanov Y.N., Strelnikov V.P.</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://www.dependability.ru/jour/article/view/77">https://www.dependability.ru/jour/article/view/77</self-uri><abstract><p>Представлены методики оценки средней наработки до отказа изделий электронной техники (MTTF) на основе использования -распределения для различных экспериментальных и справочных данных о надежности: интенсивности отказов, вероятности отказов, минимальной наработки, величины FIT. Отмечается, что прогнозные оценки MTTF на основе экспоненциального распределения завышены в 70-500 раз по сравнению с аналогичными оценками на основе DN-распределения.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the methods for evaluating the mean time to failure (MTTF) of electronics products based on the application of DN distribution for various experimental and reference data on reliability – failure rate, failure probabilities, minimal time to failure, FIT. It is noted that MTTF predictive estimates based on exponential distribution are overstated by 70-500 times as compared to those based on DN distribution.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>надежность</kwd><kwd>квантиль</kwd><kwd>распределение наработки до отказа (ресурс)</kwd><kwd>средняя наработка до отказа (МТТF)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reliability</kwd><kwd>quantile</kwd><kwd>time to failure distribution (resource)</kwd><kwd>mean time to failure (МТТF)</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">Strelnikov V. The Status and Prospects of Reliability Technology - Part 1 // RAC Jornal. - 2001, N 1. - P. 1 - 4; Part 2 // RAC Jornal. - 2001, N 2. - P. 8 - 10.</mixed-citation><mixed-citation xml:lang="en">Strelnikov V. 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