Research Article

Rough Set Neural Network Feature Extraction and Pattern Recognition of Shaft Orbits Based on the Zernike Moment

Table 3

M moments of the simulated axis orbit.

No.M1M3M4M5M6M7

10.019.7110.2910.165.2410.82
20.276.606.856.793.448.98
30.068.3910.6110.145.5110.30
40.266.108.518.144.318.00
51.982.001.642.071.041.78
60.384.564.614.642.384.96
70.197.747.377.683.737.56
80.026.887.006.973.518.38
90.751.115.343.842.783.93
101.503.460.050.690.050.67
110.670.771.460.910.811.68
120.350.371.691.370.882.37
130.211.172.512.201.422.63
140.751.115.343.842.783.93
151.503.460.050.690.050.67
161.503.460.050.690.050.67
171.932.613.062.860.462.70
181.421.051.410.050.451.32
191.150.070.530.380.170.03
200.880.480.510.210.250.10
210.601.470.340.630.181.37
220.391.220.941.020.471.86
230.601.470.340.630.181.37
240.391.220.941.020.471.86
250.205.518.679.604.357.88
260.262.405.775.442.884.95
270.301.464.714.882.373.90
280.530.192.962.311.692.34
290.410.286.174.743.255.04
300.480.046.364.883.294.94
310.560.405.725.313.094.19
320.650.775.694.082.865.29
330.320.852.091.971.371.89
340.370.062.291.871.181.90
350.601.291.410.821.110.98
360.822.112.161.241.831.25
370.320.852.091.971.371.89
380.370.062.291.871.181.90
390.601.291.410.821.110.98
400.922.412.491.281.561.75