Monitoring Machines by Using a Hybrid Method Combining MED, EMD, and TKEO

Table 4

Correlation value between IMF₁ (obtained by EMD and MED-EMD) and the signal when rotating at 600 rpm.

	600 rpm
	0 μm	50 μm	100 μm
EMD	0.18	0.24	0.15
MED-EMD	0.38	0.39	0.72