Research Article
A Novel Method for Remaining Useful Life Prediction of Roller Bearings Involving the Discrepancy and Similarity of Degradation Trajectories
Figure 9
The DI curves of testing data sets: (a) bearing 1_3, (b) bearing 1_4, (c) bearing 1_5, (d) bearing 1_6, (e) bearing 1_7, (f) bearing 2_3, (g) bearing 2_4, (h) bearing 2_5, (i) bearing 2_6, (j) bearing 2_7, and (k) bearing 3_3.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |
(g) |
(h) |
(i) |
(j) |
(k) |