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

Table 6

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

	600 rpm
	50 μm	100 μm
EMD	0.31	0.26
MED-EMD	0.75	0.41