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

Table 4

Experimental results on simulated shaft orbit dataset by BP neural network.

Algorithms	Average accuracy (%)	Average feature extracting time of single sample (ms)	Training time (s)	Average testing time of single sample (ms)
BP + AFHF2	99.66	18.172	27.39	0.380
BP + AFHF1	99.57	16.214	61.40	0.869
BP + HF	96.50	18.016	70.16	0.924
BP + TCDs	94.10	16.187	57.17	0.726
BP + SC	87.84	23.063	368.55	3.044
BP + IDSC	83.38	46.426	364.79	3.013