Hidden Semi-Markov Models for Predictive Maintenance

Table 4

Lifetime duration (in seconds) and operating conditions of the bearings tested in the IEEE PHM 2012 Prognostic Challenge dataset [49].

Condition 1		Condition 2		Condition 3
1800 rpm and 4000 N		1650 rpm and 4200 N		1500 rpm and 5000 N
Bearing	Lifetime [s]	Bearing	Lifetime [s]	Bearing	Lifetime [s]
Bearing1_1	28030	Bearing2_1	9110	Bearing3_1	5150
Bearing1_2	8710	Bearing2_2	7970	Bearing3_2	16370
Bearing1_3	23750	Bearing2_3	19550	Bearing3_3	4340
Bearing1_4	14280	Bearing2_4	7510
Bearing1_5	24630	Bearing2_5	23110
Bearing1_6	24480	Bearing2_6	7010
Bearing1_7	22590	Bearing2_7	2300