A Novel Approach of Label Construction for Predicting Remaining Useful Life of Machinery

Table 1

Evaluation results of three labels and four models (XJTU-SY).

Models	New RUL label		Linear RUL label		Piecewise RUL label
	Score	RMSE	Score	RMSE	Score	RMSE
RNN	0.4173	0.2250	0.4492	0.5724	1.2704	1.6062
BP network	0.6192	0.4582	1.6552	1.9789	1.4326	1.7585
MLP	0.5369	0.2647	1.5889	1.9935	1.4882	1.8286
SVR	2.9445	3.6695	3.1515	3.9295	3.3848	4.2084