Empirical Mode Decomposition and Neural Networks on FPGA for Fault Diagnosis in Induction Motors

Table 5

Main characteristics of previous works and of the proposed work.

Work	Faults	Methodology based on	A  priori design required		Signals		Hardware
			Yes	No	S	T	PC	FPGA
[12–16]	Bearings	EMD		X	X	X	X
[17–22]	Broken bar	EMD		X	X	X	X
[22–25]	Rotor eccentricities	EMD		X	X	X	X
[26]	Broken bar; Unbalance; Misalignment	FFT	X			X	X	X
[27]	Broken bars; Unbalance; Looseness	FFT	X			X	X	X
This work	Broken bars; Bearings; Unbalance	EMD		X	X	X	X	X

S: stationary; T: transient.