Mathematical Problems in Engineering / 2016 / Article / Tab 4

Research Article

A Study on Estimating the Next Failure Time of Compressor Equipment in an Offshore Plant

Table 4

Computational experiment results of regression model based approach.

10 15 20 25
MAPE Est. MAPE Est. MAPE Est. MAPE

1 9.323 7.01% 18.692 21.91% 29.264 37.61% 45.582 58.32%
2 9.836 1.65%21.562 35.89% 36.439 58.25% 87.836 111.38%
3 11.632 15.09%24.60948.52% 38.227 62.61% 58.742 80.59%
4 6.703 39.47%13.807 8.28% 22.950 13.74% 37.241 39.33%
5 4.897 68.52%10.003 39.97% 17.013 16.14% 26.157 4.52%
6 10.510 4.97%21.993 37.81% 35.793 56.61% 59.961 82.30%
7 9.318 7.06%18.093 18.69% 27.484 31.52% 40.181 46.58%
8 6.443 43.26%14.4713.59% 26.705 28.71% 181.786 151.64%
9 10.946 9.03%22.764 41.12% 36.031 57.22% 56.923 77.93%
10 9.669 3.36%18.32319.94% 27.370 31.12% 39.112 44.02%
11 9.845 1.57%20.124 29.17% 31.880 45.80% 50.038 66.73%
12 6.977 35.62%14.0046.87% 22.399 11.32% 33.762 29.82%
13 7.267 31.65%14.9120.59% 23.800 17.35% 36.211 36.63%

Average 20.64% 24.03% 36.00% 63.83%

Total average 36.12%

Residual life time (unit : hour).
Failure event number.
Residual life time estimated by regression model based approach (unit : hour).

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