Determining the technical state of a combustion engine with the use of vibroacoustic signals

• Autorzy: Łazarz B. , Peruń G.
• Języki publikacji: EN

Abstrakty

EN

This paper aims at determining the technical state of combustion engines with the use of vibroacoustic diagnostics methods. In order to do so, two defects of engines were simulated that in the relationship with vibroacoustic information defined for the same engines in a good technical condition, allowed to indicate symptoms caused by the occurrence of defects and specifying the methods for signal processing which are sensitive on detection of changes of the technical state of the studied objects. Due to the fact that the registered vibration signals of the engine block and cylinder head can be non-stationary, mainly signal processing methods in the time and frequency domains, as well in time and scale domains – the Wigner-Ville transform and continuous wavelet analysis, were applied.

Słowa kluczowe

EN

combustion engine; vibroacoustics; signal processing

• Wydawca: Wydawnictwo Lotniczej Akademii Wojskowej
• Czasopismo: Zeszyty Naukowe / Wyższa Szkoła Oficerska Sił Powietrznych
• Rocznik: 2016
• Tom: Nr 4
• Strony: 117--124
• Opis fizyczny: Bibliogr. 16 poz., fig.

Twórcy

autor

Łazarz B.

• Silesian University of Technology, Department of Transport

autor

Peruń G.

• Silesian University of Technology, Department of Transport

Bibliografia

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