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Title of the article FILLING THE DATABASE OF SPECTROGRAMS AND WAVELET TRANSFORMS OF VIBRATION SIGNALS OF FUEL INJECTORS CRIN2
Authors

TARASENKO Viktor E., Ph. D. in Eng., Assoc. Prof., Head of the Department of Technologies and Organization of Technical Service, Belarusian State Agrarian Technical University, Minsk, Republic of Belarus,  This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

In the section DYNAMICS, DURABILITY OF VEHICLES AND STRUCTURES
Year 2026
Issue 1(74)
Pages 49–55
Type of article RAR
Index UDK 621.43-6:629.3.066.36
DOI https://doi.org/10.46864/1995-0470-2026-1-74-49-55
Abstract The article presents the results of the research work on testing CRIN2 electromagnetically controlled fuel injectors of various operating times using a specialized diagnostic bench and a multichannel measuring system with a flexible structure. The original signal was decomposed and the oscillation amplitudes were recorded, the characteristic oscillation frequencies of the injector were determined, on the critical parts of which traces of wear were detected. In total, the array of spectrograms and wavelet transforms of vibration signals of CRIN2 generation injectors obtained using the MATLAB mathematical package made it possible to form and fill the database. It is advisable to use this database for in-depth analysis of spectrograms and wavelet transforms using neural networks with the implementation of machine learning of the descriptor.
Keywords injector, bench, mode, wear, system, sensor, signal, spectrum
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