Research Article

A Novel Method for Remaining Useful Life Prediction of Roller Bearings Involving the Discrepancy and Similarity of Degradation Trajectories

Figure 18

The lifecycle DI curves of testing data sets: (a) bearing 1_3, (b) bearing 1_4, (c) bearing 1_5, (d) bearing 2_3, (e) bearing 2_4, (f) bearing 2_5, (g) bearing 3_3, (h) bearing 3_4, and (i) bearing 3_5.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)