Identification and classification of selected internal combustion engine inefficiency based on vehicle structure vibrations

• Autorzy: Prażnowski Krzysztof , Mamala Jarosław , Bieniek Andrzej , Graba Mariusz
• Języki publikacji: EN

Abstrakty

EN

The combustion engine generates forced vibrations, caused by periodically acting external forces resulting from the combustion of the fuel-air mixture. Any changes in this process cause an increase in the value of vibration amplitude and a change in the distribution of harmonics dominating in the frequency domain. In order to identify selected malfunctions of the internal combustion engine of the Polaris off-road vehicle tested, its current parameters were correlated with the vibrations transmitted to the vehicle's structural elements. An integrated sensor for measuring acceleration using the direct method, made in MEMS technology, was used for the tests. The recorded signals of the acceleration components were subjected to analysis in the frequency domain, thus identifying the characteristic harmonic components in the analyzed spectrum. For the classification of incompleteness based on registered signals, a diagnostic inference matrix based on our own algorithm of conduct was used.

Słowa kluczowe

EN

short-term analysis; Fourier transform; engine diagnostics; diagnostic matrix

PL

analiza krótkoterminowa; transformacja Fouriera; diagnostyka silnika; macierz diagnostyczna

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2020
• Tom: Vol. 31, nr 1
• Strony: art. no. 2020110
• Opis fizyczny: Bibliogr. 15 poz., 1 fot. folor., 1 rys., wykr.

Twórcy

autor

Prażnowski Krzysztof

• Opole University of Technology, Mechanical Department, Mikołajczyka Street 5, 45-271 Opole

autor

Mamala Jarosław

• Opole University of Technology, Mechanical Department, Mikołajczyka Street 5, 45-271 Opole

autor

Bieniek Andrzej

• Opole University of Technology, Mechanical Department, Mikołajczyka Street 5, 45-271 Opole

autor

Graba Mariusz

• Opole University of Technology, Mechanical Department, Mikołajczyka Street 5, 45-271 Opole

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).