Fault Identification of Low-Speed Hub Bearing of Crane Based on MBMD and BP Neural Network

Table 5

The identification accuracy of four decomposition methods combined with the BP neural network.

Method	Correct number	Wrong number	Accuracy rate	Time (s)
EEMD-BP	18	12	60%	4.35
VMD-BP	21	9	70%	9.52
BMD-BP	25	5	83.33%	16.87
MBMD-BP	29	1	96.67%	25.63