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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">izvkgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия КГТУ</journal-title><trans-title-group xml:lang="en"><trans-title>KSTU News</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-3071</issn><publisher><publisher-name>Калининградский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46845/1997-3071-2026-80-95-109</article-id><article-id custom-type="elpub" pub-id-type="custom">izvkgtu-191</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>СУДОСТРОЕНИЕ, МАШИНОСТРОЕНИЕ И ЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHIPBUILDING, MACHINE MANUFACTURING AND POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Разработка прототипа устройства идентификации неисправности информационно-измерительного канала частоты оборотов двигателя внутреннего сгорания</article-title><trans-title-group xml:lang="en"><trans-title>Development of a prototype device for identifying a malfunction of the information-measuring channel of the internal combustion engine speed</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>Житников</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhitnikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Андреевич Житников – аспирант кафедры «Системы управления»</p><p>Петропавловск-Камчатский</p></bio><bio xml:lang="en"><p>Aleksandr A. Zhitnikov – Postgraduate student of the Department of Control Systems</p><p>Petropavlovsk-Kamchatsky</p></bio><email xlink:type="simple">zhitnikov-alexandr@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>Марченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Александрович Марченко – кандидат технических наук, доцент, заведующий кафедрой «Системы управления»</p><p>Петропавловск-Камчатский</p></bio><bio xml:lang="en"><p>Aleksey A. Marchenko – Candidate of Technical sciences, Associate Professor, Head of the Department of Control Systems</p><p>Petropavlovsk-Kamchatsky</p></bio><email xlink:type="simple">Marchenko_Alx@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Камчатский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kamchatka State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>31</day><month>01</month><year>2026</year></pub-date><volume>0</volume><issue>80</issue><fpage>95</fpage><lpage>109</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Житников А.А., Марченко А.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Житников А.А., Марченко А.А.</copyright-holder><copyright-holder xml:lang="en">Zhitnikov A.A., Marchenko A.A.</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://journal.klgtu.ru/jour/article/view/191">https://journal.klgtu.ru/jour/article/view/191</self-uri><abstract><p>В статье представлены результаты разработки и лабораторной проверки прототипа устройства, предназначенного для оперативного выявления аномалий в работе информационно-измерительных каналов частоты вращения судовых двигателей внутреннего сгорания. Предложенный прототип реализует комплексный подход к диагностике, основанный на одновременном применении двух независимых методов контроля. Первый метод заключается в анализе временных характеристик дискретного сигнала, формируемого индуктивным датчиком частоты вращения: осуществляется измерение длительности и периодичности импульсов, что позволяет выявлять такие неисправности, как обрыв сигнальной цепи, залипание или пропуск импульсов, а также деградацию магнитной системы датчика. Второй метод основан на непрерывном мониторинге уровня унифицированного аналогового токового сигнала стандарта 4–20 мА, используемого в большинстве промышленных систем автоматики. Оценка его статических и динамических характеристик позволяет диагностировать неисправности, связанные с деградацией преобразователя, нестабильностью питания или нарушением целостности линии передачи. Устройство реализовано на базе микроконтроллера. Практическая значимость разработки заключается в возможности существенного сокращения времени локализации и устранения неисправностей информационно-измерительных каналов частоты оборотов за счет автоматического распознавания аномалий без привлечения дополнительных средств диагностики. Кроме того, устройство обеспечивает повышение общей устойчивости функционирования судовой энергетической установки благодаря возможности интеграции диагностической информации в систему управления. В частности, полученные данные могут использоваться для блокировки ложных срабатываний защитных функций, вызванных де-градацией измерительного канала, тем самым предотвращая необоснованные пере-ходы судовой энергетической установки в аварийные режимы и снижая риск неплановых остановок. Таким образом, предложенное решение способствует повышению эксплуатационной надежности и безопасности судовых технических средств.</p></abstract><trans-abstract xml:lang="en"><p>This article presents the results of the development and laboratory testing of a prototype device designed to quickly detect anomalies in the operation of speed measurement channels in marine internal combustion engines. The proposed prototype implements a comprehensive diagnostic approach based on the simultaneous use of two independent monitoring methods. The first method involves analyzing the temporal characteristics of a discrete signal generated by an inductive speed sensor: measuring the pulse duration and periodicity, which enables the detection of faults such as open circuits, stuck or missing pulses, and degradation of the sensor's magnetic system. The second method is based on continuous monitoring of the standard 4–20 mA analog current signal used in most industrial automation systems. Evaluating its static and dynamic characteristics enables the diagnosis of faults related to converter degradation, power supply instability, or transmission line integrity issues. The device is based on a microcontroller. The practical significance of this development lies in its ability to significantly reduce the time it takes to localize and troubleshoot faults in RPM data and measurement channels by automatically recognizing anomalies without the need for additional diagnostic tools. Furthermore, the device improves the overall operational stability of the ship's power plant by integrating diagnostic information into the control system. Specifically, the obtained data can be used to block false alarms of protective functions caused by measurement channel degradation, thereby preventing unnecessary transitions of the ship's power plant to emergency modes and reducing the risk of unscheduled shutdowns. Thus, the proposed solution contributes to the increased operational reliability and safety of shipboard technical equipment.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>датчик частоты оборотов</kwd><kwd>информационно-измерительный канал</kwd><kwd>система управления</kwd><kwd>алгоритм</kwd><kwd>аварийная остановка</kwd><kwd>аналоговый сигнал</kwd><kwd>дискретный сигнал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>speed sensor</kwd><kwd>information-measuring channel</kwd><kwd>control system</kwd><kwd>algorithm</kwd><kwd>emergency stop</kwd><kwd>analog signal</kwd><kwd>discrete signal</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">Коновалов, П. О. Опыт развития и применения в эксплуатации систем мониторинга технического состояния судовых ДВС / П. О. Коновалов, А. А. Иванченко, Г. Л. 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