Research Article
Time-Frequency Fault Feature Extraction for Rolling Bearing Based on the Tensor Manifold Method
Table 1
Classification results of the four bearing faults using the PNN with the proposed tensor manifold 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 | 0.97 | 0.01 | 0.02 | 0 | 0.01 | 0.99 | 0 | 0 | 0.01 | 0.02 | 0.97 | 2 | 1 | 0 | 0 | 0 | 0 | 0.99 | 0 | 0.01 | 0 | 0.02 | 0.97 | 0.01 | 0 | 0.05 | 0.03 | 0.92 | 3 | 1 | 0 | 0 | 0 | 0 | 0.95 | 0.03 | 0.02 | 0 | 0.02 | 0.97 | 0.01 | 0 | 0.03 | 0.02 | 0.95 | 4 | 1 | 0 | 0 | 0 | 0 | 0.98 | 0.01 | 0.01 | 0 | 0.03 | 0.95 | 0.02 | 0 | 0.02 | 0.05 | 0.93 | 5 | 1 | 0 | 0 | 0 | 0 | 0.93 | 0.05 | 0.02 | 0 | 0.02 | 0.98 | 0 | 0 | 0.02 | 0.02 | 0.96 | 6 | 1 | 0 | 0 | 0 | 0 | 0.97 | 0.02 | 0.01 | 0 | 0.01 | 0.96 | 0.03 | 0 | 0.05 | 0.03 | 0.92 | 7 | 1 | 0 | 0 | 0 | 0 | 0.95 | 0.02 | 0.03 | 0 | 0.02 | 0.97 | 0.01 | 0 | 0.02 | 0.01 | 0.97 | 8 | 1 | 0 | 0 | 0 | 0 | 0.92 | 0.03 | 0.05 | 0 | 0.03 | 0.93 | 0.04 | 0 | 0.04 | 0.03 | 0.93 | 9 | 1 | 0 | 0 | 0 | 0 | 0.94 | 0.02 | 0.04 | 0 | 0.02 | 0.95 | 0.03 | 0 | 0.03 | 0.02 | 0.95 | 10 | 1 | 0 | 0 | 0 | 0 | 0.96 | 0.02 | 0.02 | 0 | 0.01 | 0.97 | 0.02 | 0 | 0.01 | 0.01 | 0.98 | 11 | 1 | 0 | 0 | 0 | 0 | 0.93 | 0.04 | 0.03 | 0 | 0.01 | 0.98 | 0.01 | 0 | 0.03 | 0.01 | 0.96 | 12 | 1 | 0 | 0 | 0 | 0 | 0.96 | 0.03 | 0.01 | 0 | 0.01 | 0.99 | 0 | 0 | 0.02 | 0.03 | 0.95 | 13 | 1 | 0 | 0 | 0 | 0 | 0.97 | 0.01 | 0.02 | 0 | 0.02 | 0.96 | 0.03 | 0 | 0.01 | 0.02 | 0.97 | 14 | 1 | 0 | 0 | 0 | 0 | 0.97 | 0.01 | 0.02 | 0 | 0.02 | 0.97 | 0.01 | 0 | 0.01 | 0.03 | 0.96 | 15 | 1 | 0 | 0 | 0 | 0 | 0.95 | 0.03 | 0.02 | 0 | 0.02 | 0.95 | 0.03 | 0 | 0.06 | 0.02 | 0.92 | 16 | 1 | 0 | 0 | 0 | 0 | 0.98 | 0.01 | 0.01 | 0 | 0 | 0.98 | 0.02 | 0 | 0.03 | 0.04 | 0.93 | 17 | 1 | 0 | 0 | 0 | 0 | 0.96 | 0.01 | 0.03 | 0 | 0.03 | 0.96 | 0.01 | 0 | 0.03 | 0.02 | 0.95 | 18 | 1 | 0 | 0 | 0 | 0 | 0.97 | 0.02 | 0.01 | 0 | 0.01 | 0.97 | 0.02 | 0 | 0.03 | 0.01 | 0.96 | 19 | 1 | 0 | 0 | 0 | 0 | 0.93 | 0.03 | 0.04 | 0 | 0.02 | 0.96 | 0.02 | 0 | 0.03 | 0.04 | 0.93 | 20 | 1 | 0 | 0 | 0 | 0 | 0.96 | 0.01 | 0.03 | 0 | 0.03 | 0.93 | 0.04 | 0 | 0.03 | 0.05 | 0.92 |
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