Hidden Semi-Markov Models for Predictive Maintenance
Table 5
Average absolute prediction error () of the RUL estimation, expressed in seconds.
(a) Condition 1
Test Bearings
Bearing1_1
10571.6
12723.0
9414.6
Bearing1_2
4331.2
3815.6
3821.3
Bearing1_3
2997.0
9730.9
6091.2
Bearing1_4
6336.3
2876.6
14871.9
Bearing1_5
1968.9
7448.4
10411.5
Bearing1_6
4253.0
9896.4
9793.7
Bearing1_7
1388.0
7494.3
10088.1
Average
4549.4
7712.2
9213.2
(b) Condition 2
Test Bearings
Bearing2_1
2475.9
5006.5
7287.5
Bearing2_2
1647.3
4497.2
8288.6
Bearing2_3
8877.1
9508.3
7962.1
Bearing2_4
1769.8
4248.6
4982.5
Bearing2_5
8663.1
10490.0
10730.0
Bearing2_6
877.1
3504.7
6687.0
Bearing2_7
3012.5
3866.4
6651.9
Average
3903.3
5874.5
7512.8
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