Detection of misfire and knock in spark ignition engines by wavelet transform of engine block vibration signals

Measurement Science and Technology

Volumn 13, Issue 7, 2002, Pages 1108-1114

  Chang, Jinseok ^a   Kim, Manshik ^a   Min, Kyoungdoug ^a  

^a Seoul National University   (South Korea)

Author keywords

Block vibration signal; Knock; Misfire; Wavelet

Indexed keywords

ACOUSTIC NOISE; COMBUSTION KNOCK; FAST FOURIER TRANSFORMS; VIBRATIONS (MECHANICAL); WAVELET TRANSFORMS;

COMBUSTION NOISE INTENSITY (CNI);

INTERNAL COMBUSTION ENGINES;

ENGINE;

EID: 0036647307     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/13/7/319     Document Type: Article

References (16)

1. Misfire detection by evaluating crankshaft speed-A means to comply with OBD II
2. A new knock-detection method using cylinder pressure, block vibration and sound pressure signals from a SI engine
3. Measurement and analysis of knock in a SI engine using the cylinder pressure and block vibration signals
4. Knocking recognition in engine vibration signal using the wavelet transform
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6. A new damage detection method based on a wavelet transform
7. Development of a math-based piston noise model
8. Time-frequency analysis of power system disturbance signals for power quality
9. Combustion induced powertrain NVH-A time-frequency analysis
10. Spectrogram analysis of accelerometer-based spark knock detection waveforms
11. Fast non-orthogonal wavelet transforms and reconstructions for detonation detection
12. A diagnostic method using wavelet networks application to engine knock detection