A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy

Table 10

Classification comparisons of NASA database-adopted mode decomposition algorithm.

Ref.	Main features	Bearing states	Training samples	Testing samples	Test accuracy (%)
[53]	Eight IMFs of EMD, energy entropy + SVM	Seven	2728	2666	93
Proposed	mr-tlsDMD, ApEn + BPNN	Three	180	120	98.7