Trajectory Similarity Matching and Remaining Useful Life Prediction Based on Dynamic Time Warping

Table 3

Comparison of prediction results.

Method	Score	MAPE	MAE	Timely	Advance	Delay
DBN-HMM [45]	—	—	24.54	51	31	18
Reduced kernel RLS [36]	612	—	—	40	34	26
Double-layer RF [35]	1567	24.05	—	50	27	23
Degradation similarity [35]	682	18.05	—	63	10	27
Proposed method	417	26.2	12.74	58	22	20