表5
在轴承裂纹尺寸为3 mm(单位:%)时,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 |
在裂纹尺寸为3mm的情况下,每轴承故障的TPR |
ACA |
| 足协 |
BCI |
BCO |
BCR |
BCOI |
BCOR |
BCIR |
BCOIR |
|
| 主成分分析 |
300转 |
40.00 |
62.22 |
62.22 |
66.67 |
53.33 |
62.22 |
66.67 |
75.56 |
61.11 |
| 350转 |
57.78 |
55.56 |
28.89 |
91.11 |
44.44 |
68.89 |
31.11 |
55.56 |
54.17 |
| 400转 |
66.67 |
71.11 |
15.56 |
86.67 |
75.56 |
51.11 |
97.78 |
60.00 |
65.56 |
| 450转 |
86.67 |
86.67 |
26.67 |
91.11 |
33.33 |
75.56 |
95.56 |
80.00 |
71.94 |
| 500转 |
82.22 |
82.22 |
33.33 |
91.11 |
48.89 |
71.11 |
93.33 |
46.67 |
68.61 |
|
| ICA |
300转 |
48.89 |
60.00 |
62.22 |
71.11 |
40.00 |
57.78 |
71.11 |
77.78 |
61.11 |
| 350转 |
42.22 |
51.11 |
13.33 |
86.67 |
35.56 |
73.33 |
57.78 |
40.00 |
50.00 |
| 400转 |
88.89 |
80.00 |
42.22 |
80.00 |
66.67 |
35.56 |
100.00 |
62.22 |
69.44 |
| 450转 |
88.89 |
82.22 |
28.89 |
88.89 |
53.33 |
82.22 |
95.56 |
73.33 |
74.17 |
| 500转 |
88.89 |
84.44 |
35.56 |
91.11 |
31.11 |
75.56 |
93.33 |
44.44 |
68.06 |
|
| 乔治。 |
300转 |
53.33 |
93.33 |
73.33 |
100.00 |
77.78 |
84.44 |
82.22 |
77.78 |
80.28 |
| 350转 |
82.22 |
91.11 |
71.11 |
86.67 |
77.78 |
86.67 |
80.00 |
88.89 |
83.06 |
| 400转 |
93.33 |
91.11 |
57.78 |
93.33 |
91.11 |
77.78 |
97.78 |
80.00 |
85.28 |
| 450转 |
88.89 |
91.11 |
77.78 |
100.00 |
86.67 |
95.56 |
100.00 |
71.11 |
88.89 |
| 500转 |
88.89 |
97.78 |
68.89 |
91.11 |
73.33 |
86.67 |
100.00 |
80.00 |
85.83 |
|
| 提出了 |
300转 |
53.33 |
80.00 |
62.22 |
100.00 |
75.56 |
80.00 |
82.22 |
80.00 |
76.67 |
| 350转 |
80.00 |
88.89 |
73.33 |
88.89 |
80.00 |
86.67 |
82.22 |
91.11 |
83.89 |
| 400转 |
91.11 |
91.11 |
60.00 |
93.33 |
93.33 |
82.22 |
100.00 |
82.22 |
86.67 |
| 450转 |
88.89 |
97.78 |
86.67 |
97.78 |
88.89 |
97.78 |
95.56 |
84.44 |
92.22 |
| 500转 |
88.89 |
97.78 |
64.44 |
91.11 |
75.56 |
91.11 |
100.00 |
80.00 |
86.11 |
|
|