Open Access
Table 4
BPA function combination based on D-S data fusion.
| No. | Feature | Correlation coefficient of vibration | Correlation coefficient of temperature |
|---|---|---|---|
| 1 | Maximum | −0.6363 | −0.6183 |
| 2 | Minimum | −0.584 | −0.5803 |
| 3 | Absolute mean value | −0.7329 | −0.7169 |
| 4 | Peak | −0.613 | −0.5767 |
| 5 | RMS | −0.7342 | −0.6832 |
| 6 | Mean | −0.0224 | −0.0197 |
| 7 | Standard deviation | −0.7341 | −0.6589 |
| 8 | Skewness | −0.0631 | −0.3237 |
| 9 | Kurtosis | −0.0511 | −0.3157 |
| 10 | Variance | −0.4609 | −0.3858 |
| 11 | Shape factor | −0.407 | −0.6836 |
| 12 | Crest factor | −0.0319 | −0.3248 |
| 13 | Variable coefficient | −0.0169 | −0.3147 |
| 14 | Skew coefficient | −0.0631 | −0.3801 |
| 15 | Kurtosis coefficient | −0.0511 | −0.4729 |
| 16 | Clearance factor | −0.5372 | −0.6846 |
| 17 | Impact factor | −0.0487 | −0.5831 |
| 18 | Energy factor | −0.1358 | −0.1679 |
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