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

Table 1

Parameters to simulate ARIMA data.

Term	Order	Order	AR param.	MA param.
AR	2	1	0.5	0.65
MA	4	2	−0.75	−0.5
Diff.	2	3		−0.2
		4		−0.1