Identification Method of Shaft Orbit in Rotating Machines Based on Accurate Fourier Height Functions Descriptors

Table 6

Experimental results on actual measured shaft orbit dataset by BP neural network.

Algorithms	Average accuracy (%)	Average feature extracting time of single sample (ms)	Average training time (s)	Average testing time of single sample (ms)
BP + AFHF2	99.49	18.521	26.04	0.345
BP + AFHF1	99.34	16.374	58.13	0.756
BP + HF	93.34	18.539	68.77	0.879
BP + TCDs	92.84	16.354	57.33	0.724
BP + SC	84.59	23.542	369.91	3.044
BP + IDSC	76.30	46.592	376.39	3.051