Research Article

Shafting Misalignment Malfunction Quantitative Diagnosis Based on Speed Signal SVD-HT and CSF-PPSO-ESN Method

Table 3

Three groups of verification––repeating experimental data of parallel misalignment.

Standard parallel misalignment (mm)The misaligned malfunction diagnosis results using the CSF-PPSO-ESN method (mm)The misaligned malfunction diagnosis results using the order spectrum analysis and RBF neural network (mm)
Group oneGroup twoGroup threeGroup oneGroup twoGroup three

0.0010.0100.0010.0050.0480.0050.014
0.2520.2500.2510.2540.2170.2680.247
0.5010.5100.5010.4960.4810.4930.537
0.7490.7540.7590.7580.7520.7840.747
1.0001.0041.0050.9930.9540.9980.997
1.2511.2511.2551.2471.2861.2071.248
1.4991.4961.5021.5041.5391.5121.492
1.7511.7551.7481.7461.7421.7761.714
2.0001.9932.0071.9922.0361.9861.957