Research Article
Time-Frequency Fault Feature Extraction for Rolling Bearing Based on the Tensor Manifold Method
Table 2
Classification results of the four bearing faults using the PNN with traditional HHT time-frequency features.
| Sample |
Category vector of the normal-state samples |
Category vector of the inner-race fault samples |
Category vector of the ball fault samples |
Category vector of the outer-race fault samples |
| 1 | 1 | 0 | 0 | 0 | 0 | 0.90 | 0.05 | 0.05 | 0 | 0.10 | 0.89 | 0.01 | 0 | 0.06 | 0.07 | 0.83 | 2 | 1 | 0 | 0 | 0 | 0 | 0.92 | 0.03 | 0.05 | 0 | 0.12 | 0.87 | 0.01 | 0 | 0.05 | 0.06 | 0.89 | 3 | 1 | 0 | 0 | 0 | 0 | 0.89 | 0.05 | 0.06 | 0 | 0.12 | 0.79 | 0.09 | 0 | 0.07 | 0.08 | 0.85 | 4 | 1 | 0 | 0 | 0 | 0 | 0.90 | 0.06 | 0.04 | 0 | 0.13 | 0.85 | 0.12 | 0 | 0.05 | 0.04 | 0.91 | 5 | 1 | 0 | 0 | 0 | 0 | 0.87 | 0.06 | 0.07 | 0 | 0.10 | 0.78 | 0.12 | 0 | 0.06 | 0.08 | 0.86 | 6 | 1 | 0 | 0 | 0 | 0 | 0.92 | 0.04 | 0.08 | 0 | 0.13 | 0.76 | 0.11 | 0 | 0.15 | 0.06 | 0.79 | 7 | 1 | 0 | 0 | 0 | 0 | 0.91 | 0.05 | 0.04 | 0 | 0.07 | 0.87 | 0.06 | 0 | 0.06 | 0.07 | 0.87 | 8 | 1 | 0 | 0 | 0 | 0 | 0.82 | 0.08 | 0.1 | 0 | 0.02 | 0.93 | 0.05 | 0 | 0.15 | 0.12 | 0.73 | 9 | 1 | 0 | 0 | 0 | 0 | 0.87 | 0.08 | 0.05 | 0 | 0.08 | 0.85 | 0.07 | 0 | 0.07 | 0.08 | 0.75 | 10 | 1 | 0 | 0 | 0 | 0 | 0.93 | 0.05 | 0.02 | 0 | 0.07 | 0.87 | 0.06 | 0 | 0.05 | 0.07 | 0.88 | 11 | 1 | 0 | 0 | 0 | 0 | 0.69 | 0.14 | 0.17 | 0 | 0.01 | 0.88 | 0.11 | 0 | 0.06 | 0.08 | 0.86 | 12 | 1 | 0 | 0 | 0 | 0 | 0.74 | 0.12 | 0.14 | 0 | 0.20 | 0.79 | 0.01 | 0 | 0.07 | 0.08 | 0.85 | 13 | 1 | 0 | 0 | 0 | 0 | 0.80 | 0.12 | 0.08 | 0 | 0.08 | 0.88 | 0.04 | 0 | 0.03 | 0.06 | 0.91 | 14 | 1 | 0 | 0 | 0 | 0 | 0.86 | 0.09 | 0.05 | 0 | 0.07 | 0.87 | 0.06 | 0 | 0.07 | 0.04 | 0.89 | 15 | 1 | 0 | 0 | 0 | 0 | 0.75 | 0.23 | 0.02 | 0 | 0.06 | 0.89 | 0.05 | 0 | 0.08 | 0.09 | 0.83 | 16 | 1 | 0 | 0 | 0 | 0 | 0.78 | 0.10 | 0.12 | 0 | 0.03 | 0.93 | 0.02 | 0 | 0.09 | 0.10 | 0.81 | 17 | 1 | 0 | 0 | 0 | 0 | 0.86 | 0.12 | 0.12 | 0 | 0.06 | 0.87 | 0.07 | 0 | 0.07 | 0.04 | 0.89 | 18 | 1 | 0 | 0 | 0 | 0 | 0.87 | 0.06 | 0.07 | 0 | 0.09 | 0.89 | 0.02 | 0 | 0.03 | 0.08 | 0.89 | 19 | 1 | 0 | 0 | 0 | 0 | 0.83 | 0.13 | 0.14 | 0 | 0.02 | 0.91 | 0.07 | 0 | 0.07 | 0.01 | 0.83 | 20 | 1 | 0 | 0 | 0 | 0 | 0.92 | 0.05 | 0.03 | 0 | 0.05 | 0.92 | 0.03 | 0 | 0.07 | 0.11 | 0.82 |
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