СПЕКТРАЛЬНИЙ МЕТОД ОЦІНЮВАННЯ НЕВИЗНАЧЕНОСТІ ДИНАМІЧНИХ ВИМІРЮВАНЬ

Article suggested spectral method of assessing the measurement devices dynamic uncertainty that allows to investigate measurement accuracy in dynamic operating conditions in frequency domain and to estimate amplitude values of dynamic uncertainty based on input signal frequency characteristic and sp...

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Bibliographic Details
Date:2017
Main Authors: Васілевський, O.M., Яковлев, М.Ю., Кулаков, П.І.
Format: Article
Language:English
Published: Інститут електродинаміки НАН України, Київ 2017
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Online Access:https://techned.org.ua/index.php/techned/article/view/735
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Journal Title:Technical Electrodynamics

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Technical Electrodynamics
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Summary:Article suggested spectral method of assessing the measurement devices dynamic uncertainty that allows to investigate measurement accuracy in dynamic operating conditions in frequency domain and to estimate amplitude values of dynamic uncertainty based on input signal frequency characteristic and spectral function. The results were approbated when evaluating the engines vibration acceleration dynamic measurements uncertainty. It was established that maximum value of vibration acceleration dynamic measurement uncertainty amounts to 0.137 m/s2 for observation time of 600 sec and vibration acceleration signal nominal value of 0.35 m/s2 at a frequency of 6 kHz. References 10, table 1, figures 2.