Knocking recognition in engine vibration signal using the wavelet transform
F Molinaro, F Castanie… - [1992] Proceedings of the …, 1992 - ieeexplore.ieee.org
F Molinaro, F Castanie, A Denjean
[1992] Proceedings of the IEEE-SP International Symposium on Time …, 1992•ieeexplore.ieee.orgThe authors propose pattern recognition using wavelet parameters for detecting a physical
signal, ie, knocking, in engine vibration. It is shown that wavelet transform parameters of the
vibration signal improve knocking detection, especially at high speed, for slow signal-to-
noise ratio (SNR). The knocking signal is characterized by the sum of several resonance
frequencies. This method should give good results for other signals which have the same
characteristics.<>
signal, ie, knocking, in engine vibration. It is shown that wavelet transform parameters of the
vibration signal improve knocking detection, especially at high speed, for slow signal-to-
noise ratio (SNR). The knocking signal is characterized by the sum of several resonance
frequencies. This method should give good results for other signals which have the same
characteristics.<>
The authors propose pattern recognition using wavelet parameters for detecting a physical signal, i.e., knocking, in engine vibration. It is shown that wavelet transform parameters of the vibration signal improve knocking detection, especially at high speed, for slow signal-to-noise ratio (SNR). The knocking signal is characterized by the sum of several resonance frequencies. This method should give good results for other signals which have the same characteristics.< >
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