Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Serhii Mykhalkiv"'
Publikováno v:
Collection of scientific works of the State University of Infrastructure and Technologies series "Transport Systems and Technologies". :128-136
The paper deals with the properties of the Fast Kurtogram technique for the vibrodiagnostics of rolling bearings of electric motor. Taking into account the disadvantages of the classic tools of vibrodiagnostics in the time domain, the proper frequenc
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 1, Iss 8 (109), Pp 6-16 (2021)
An analysis of the method for ensuring the sinusoidality of the output voltage in power generation systems with self-commutated voltage inverters under the requirements of the international standard IEEE-519 is presented. In a number of programs, esp
Autor:
Serhii Mykhalkiv
Publikováno v:
International Scientific and Technical conference "The Progressive Technics, Technology and Engineering Education".
It was suggested to select the best adaptive method after proper comparative researches, for the extraction of informative vibration components of bearings. The description and drawbacks of empirical mode decomposition method were presented, and the
Autor:
Igor Khomenko, Dmytro Shelest, Oleksandr Plakhtii, Denys Hordiienko, Volodymyr Nerubatskyi, Serhii Mykhalkiv
Publikováno v:
2021 IEEE 2nd KhPI Week on Advanced Technology (KhPIWeek).
The article presents the results of the study of the energy characteristics of three-phase voltage source inverters with modified pulse width modulation with the addition of a third harmonic to the modulating signal with the implementation of adaptiv
Publikováno v:
TECHNICAL SCIENCES AND TECHNOLOGIES. :73-79
Актуальність теми дослідження. Установлено, що запровадження дієвих вібродіагностичних заходів із вчасного виявлення відмов вузлів тя
Autor:
Olha Ananieva, Serhii Mykhalkiv, Elena Zinchenko, Nataliie Kovshar, Mykhailo Babaiev, Andrii Sobchak
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 6, Iss 3 (108), Pp 60-69 (2020)
This paper reports an ontological approach to designing intelligent decision support to control the quality of multi-layered double-glazed windows within the framework of a virtual instrument-building enterprise (VIE) that produces solar energy compl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f37135687599f2c9c7f81f7e75e22d08
https://zenodo.org/record/4836333
https://zenodo.org/record/4836333
Autor:
Vladyslav Bulba, Serhii Mykhalkiv
Publikováno v:
Collection of scientific works of the Ukrainian State University of Railway Transport. 188
The article deals with the forecasting of the technical state of the traction gearboxes of electric trains with discrete stochastic models. During every 3rd level maintenance, the vibration signals of the previously selected fourteen traction gearbox
Publikováno v:
Collection of scientific works of the Ukrainian State University of Railway Transport.
The paper deals with the property of discrete wavelet transform based on the multiresolution analysis feature to identify different types of the gear and bearing vibration. The direct analysis of the vibration time series by the use of conventional s
Publikováno v:
Collected scientific works of Ukrainian State University of Railway Transport.
У статті застосовується метод синхронного усереднення вібрації в часі для виділення діагностичних ознак технічного стану тягового ред
Publikováno v:
International Journal of Engineering & Technology. 7:167
Purpose: To improve the performance of vibration spectral methods in identification of bearing element faults of freight car axle-boxes.Approach: An algorithm for simulating the expected vibration signal of outer race bearing was implemented. The aut