- Tytuł:
- Analysis and comparison of vibration signals from internal combustion engine acquired using piezoelectric and MEMS accelerometers
- Autorzy:
- Bismor, Dariusz
- Powiązania:
- https://bibliotekanauki.pl/articles/127778.pdf
- Data publikacji:
- 2019
- Wydawca:
- Politechnika Poznańska. Instytut Mechaniki Stosowanej
- Tematy:
-
MEMS accelerometers
vibration signal processing
spectrogram
Wigner-Ville spectrum
akcelerometry MEMS
przetwarzanie sygnałów drganiowych
spektrogram
widmo Wignera-Ville'a - Opis:
- Condition monitoring of vehicles with internal combustion engine is of immense importance due to high number of vehicles with such engines and their importance to transport and economy. As many persons use a vehicle which is old and inexpensive, a condition monitoring system designed for such vehicles cannot be expensive. Unfortunately, condition monitoring of engines is usually based on the use of vibration signals, which are acquired by accelerometers. Piezoelectric accelerometers are the most commonly used for this purpose, and such accelerometers are not cheap. However, an alternative exists in the form of microelectromechanical systems (MEMS) accelerometers, which are much cheaper, but have narrower frequency characteristics. This paper describes preliminary results of a research on feasibility of use of MEMS accelerometers for condition monitoring and failure detection in internal combustion engines.
- Źródło:
-
Vibrations in Physical Systems; 2019, 30, 1; 1-8
0860-6897 - Pojawia się w:
- Vibrations in Physical Systems
- Dostawca treści:
- Biblioteka Nauki
Artykuł