NEW APPROACHES IN MULTI-SHAFT GEAR DRIVES VIBRATION DIAGNOSTICS

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Abstract

Presented studies are aimed at developing of new and improving of existing methods of vibration signal analysis to detect local gears damages during their operating.

The new method of calculating the modulation coefficient showed low sensitivity to the place of mounting of the vibration sensor and makes it possible to use in the absence of information about the vibration activity of the gear drive in the previous workable condition.

A technique for designing and using unique wavelets was developed. The technique reflects the specifics of real processes in the interaction of meshing teeth and adapted for gears vibration analysis. Using of unique wavelets can noticeably increase the wavelet coefficients sensitivity to changes in gears condition.

About the authors

Dmitry V. Omes

Brest State Technical University

Author for correspondence.
Email: dimaomes@gmail.com

Master of Engineering, assistant professor

Belarus

Alexandr V. Dragan

Brest State Technical University

Email: draganav@mail.ru

Philosophy Doctor, associate professor, rector of university

Belarus

References

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  4. Kostjukov, V.N. Fundamentals of machinery vibro-acoustic diagnostics : tutorial / V.N. Kostyukov, A.P. Naumenko i dr. – Omsk : NPC «Dinamika», 2007, 286 p. (in Russian)
  5. Petruhin, V.V. Fundamentals of vibration diagnostics and vibration measuring instruments : tutorial . – M. : Infra-Inzheneriya, 2010, 176 p.
  6. Omes, D.V. Formation mechanisms of combinational frequencies in gear vibration spectrum / D.V. Omes, A.V. Dragan, // Novye tekhnologii i materialy, avtomatizaciya proizvodstva : materialy mezhdunar. nauch.-tekhn. konf., Brest, 2-3 noyabrya 2016 g. / UO «Brestskij gosudarstvennyj tekhnicheskij universitet». – Brest, 2016, pp. 89–94. (in Russian)
  7. Genkin, M.D. Vibroacoustic diagnostics of machines and mechanisms / Genkin M.D., Sokolova A.G. – M. : Mashinostroenie, 1987, 288 p. (in Russian)
  8. Dragan, D.V. Wavelet analysis application in multi-shaft gear drives vibrodiagnostics / A.V. Dragan, D.V. Omes // ZHiznennyj cikl konstrukcionnyh materialov : sb. tr. IV Vserossijskoj nauch.-tekhn. konf. s mezhdunar. uchastiem, Irkutsk, 28–30 aprelya 2014 g. / Irkutskij gosudarstvennyj tekhnicheskij universitet. – Irkutsk, 2014, pp. 320–326. (in Russian)
  9. Omes, D.V. Wavelet-analysis application in research of multishaft drives tooth gears impact interactions / D.V. Omes, A.V. Dragan // Vestnik Brestskogo gosudarstvennogo tekhnicheskogo universiteta. – 2015. – №4(94) : Mashinostroenie, pp. 4–8. (in Russian)
  10. Omes, D.V. Unique wavelets design for improving effectivness of multishaft gear drives diagnostics based on vibrational signals wavelet analysis / D.V. Omes, A.V. Dragan // Vestnik Brestskogo gosudarstvennogo tekhnicheskogo universiteta. – 2017. – №4(106) : Mashinostroenie, pp. 31–36. (in Russian)

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Copyright (c) 2020 Дмитрий Владимирович Омесь, Александр Вячеславович Драган

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Journal of Dynamics and Vibroacoustics

ISSN 2409-4579 (Online)

Publisher and Founder: Samara National Research University, 34, Moskovskoye shosse, Samara, 443086, Russian Federation.

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Editor-in-chief:  Academician of the RAS
E. V. Shakhmatov 

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