Research Article

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

Figure 10

The fitting error curve and fitted degradation model of: (a) bearing 1_1, (b) bearing 2_1, (c) bearing 3_1, (d) bearing 1_2, (e) bearing 2_2, and (f) bearing 3_2.
(a)
(b)
(c)
(d)
(e)
(f)