表6
在轴承裂纹尺寸为12 mm(单位:%)下,传统特征分析方法与提出的特征分析方法在平均分类准确率和真阳性率方面的性能比较。
|
|
轴转速 |
在12mm裂纹尺寸下,每轴承故障情况的TPR |
ACA |
| 足协 |
BCI |
BCO |
BCR |
BCOI |
BCOR |
BCIR |
BCOIR |
|
| 主成分分析 |
300转 |
84.44 |
75.56 |
64.44 |
66.67 |
86.67 |
95.56 |
71.11 |
75.56 |
77.50 |
| 350转 |
95.56 |
53.33 |
75.56 |
71.11 |
77.78 |
88.89 |
80.00 |
95.56 |
79.72 |
| 400转 |
93.33 |
73.33 |
86.67 |
82.22 |
75.56 |
91.11 |
95.56 |
97.78 |
86.94 |
| 450转 |
91.11 |
77.78 |
88.89 |
73.33 |
91.11 |
95.56 |
91.11 |
91.11 |
87.50 |
| 500转 |
88.89 |
95.56 |
91.11 |
86.67 |
95.56 |
93.33 |
91.11 |
93.33 |
91.94 |
|
| ICA |
300转 |
51.11 |
48.89 |
86.67 |
66.67 |
71.11 |
93.33 |
71.11 |
64.44 |
69.17 |
| 350转 |
64.44 |
42.22 |
88.89 |
71.11 |
86.67 |
91.11 |
77.78 |
91.11 |
76.67 |
| 400转 |
88.89 |
62.22 |
88.89 |
75.56 |
75.56 |
88.89 |
91.11 |
97.78 |
83.61 |
| 450转 |
100.00 |
48.89 |
93.33 |
68.89 |
88.89 |
97.78 |
93.33 |
88.89 |
85.00 |
| 500转 |
91.11 |
88.89 |
91.11 |
84.44 |
97.78 |
93.33 |
88.89 |
95.56 |
91.39 |
|
| 乔治。 |
300转 |
77.78 |
88.89 |
82.22 |
93.33 |
95.56 |
100.00 |
97.78 |
88.89 |
90.56 |
| 350转 |
91.11 |
100.00 |
91.11 |
93.33 |
100.00 |
100.00 |
97.78 |
100.00 |
96.67 |
| 400转 |
95.56 |
100.00 |
97.78 |
95.56 |
100.00 |
100.00 |
97.78 |
97.78 |
98.06 |
| 450转 |
100.00 |
100.00 |
97.78 |
93.33 |
97.78 |
100.00 |
100.00 |
97.78 |
98.33 |
| 500转 |
91.11 |
100.00 |
100.00 |
97.78 |
100.00 |
97.78 |
100.00 |
100.00 |
98.33 |
|
| 提出了 |
300转 |
80.00 |
86.67 |
88.89 |
93.33 |
93.33 |
100.00 |
97.78 |
88.89 |
91.11 |
| 350转 |
91.11 |
100.00 |
88.89 |
93.33 |
100.00 |
100.00 |
100.00 |
100.00 |
96.67 |
| 400转 |
95.56 |
100.00 |
97.78 |
97.78 |
100.00 |
100.00 |
100.00 |
100.00 |
98.89 |
| 450转 |
100.00 |
100.00 |
100.00 |
97.78 |
97.78 |
100.00 |
100.00 |
100.00 |
99.44 |
| 500转 |
93.33 |
100.00 |
100.00 |
97.78 |
100.00 |
97.78 |
100.00 |
100.00 |
98.61 |
|
|