Shannon Entropy and -Means Method for Automatic Diagnosis of Broken Rotor Bars in Induction Motors Using Vibration Signals

Table 1

Entropy values.

Condition	Entropy (μ, σ)
	Startup transient			Steady state
	HLT	8.7530, 0.0416	9.1929, 0.0484	9.0489, 0.0644	8.6236, 0.715	9.4280, 0.0526	9.0940, 0.0941
HBRB	8.1024, 0.0445	8.9868, 0.0487	8.7272, 0.0566	7.8979, 0.0528	9.0849, 0.0544	8.6348, 0.0596
1BRB	9.0152, 0.0716	9.3918, 0.0345	9.7105, 0.0345	8.4532, 0.1763	8.9832, 0.0927	9.8297, 0.0927
2BRB	9.1787, 0.0511	9.4535, 0.0430	9.2498, 0.0589	8.8621, 0.0629	9.6350, 0.0647	9.2908, 0.0484