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

<div>(a) Cylinder pressure signal of typical knock condition. (b) Cylinder pressure increased rate signal of typical knock condition. (c) Cylinder block vibration signal of typical knock condition.</div>

Shock and Vibration

fig7

Figure 7

Figure 7: Knock Detection in Spark Ignition Engines Base on Complementary Ensemble Empirical Mode Decomposition-Hilbert Transform 