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Short-Time Analysis of Combustion Engine Vibroacoustic Signals through Pattern Recognition Techniques
Technical Paper
2005-01-2529
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The paper presents a method of analysis of vibroacoustic signals taken from Diesel engines based on short-time analysis. The main aim of the research is to distinguish between normal engine operation and that of misfire. The approach utilizes a time window sliding along a signal in time and observing the changes of given parameters. The set of parameter values creates a multidimensional parameter space where one can observe the time evolution. For recognition and detection of different system states a clustering in the parameter space is suggested. The first results show the possibility of distinguishing some different clusters within the parameter space which may correspond to different engine states.
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Authors
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Citation
Boguś, P. and Merkisz, J., "Short-Time Analysis of Combustion Engine Vibroacoustic Signals through Pattern Recognition Techniques," SAE Technical Paper 2005-01-2529, 2005, https://doi.org/10.4271/2005-01-2529.Also In
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