An Improved Recursive ARIMA Method with Recurrent Process for Remaining Useful Life Estimation of Bearings

Table 3

Parameters of ARIMA-R and algorithm associated.

ARIMA-R		Random forest and rotation forest		AdaBoost and Gradient Boost		ARNN
p	20	Estimators	800	Estimators	200	Hidden layer	(10, 30)
q	20			Max depth	10	Activation	ReLU
d	2			Learning rate	0.2	Solver	Adam
r	2					Learning rate	Adaptive