Knock Detection in Spark Ignition Engines Base on Complementary Ensemble Empirical Mode Decomposition-Hilbert Transform

<div>(a) Cylinder pressure signal under 2800 rpm. (b) Cylinder pressure increase rate under 2800 rpm. (c) Cylinder block vibration signal under 2800 rpm.</div>

Shock and Vibration

fig12

Figure 12

Figure 12: Knock Detection in Spark Ignition Engines Base on Complementary Ensemble Empirical Mode Decomposition-Hilbert Transform 