Table 3: Defuzzified values of the reliability parameters.

Spread
Defuzzified values of parameters at
Failure rate Repair time MTBF ENOF Reliability Availability

0% Crisp 0.0007652 1.4806586 1308.3285 0.00076446 0.9923772 0.9988695

15% I 0.00078845 2.1162556 1387.3031 0.00078748 0.9921490 0.9980299
II 0.00078836 2.1129933 1386.9562 0.00078738 0.9921499 0.9980344
III 0.00078832 2.1114761 1386.7954 0.00078734 0.9921503 0.9980365

25% I 0.00082994 3.7328473 1545.0429 0.00082843 0.9917425 0.9956702
II 0.00082968 3.7161699 1543.8254 0.00082817 0.9917449 0.9956992
III 0.00082956 3.7083396 1543.2595 0.00082805 0.9917461 0.9957130

50% I 0.00102659 30.128487 2712.3958 0.00102094 0.9898218 0.9442947
II 0.00102556 29.505969 2706.8065 0.00101995 0.9898318 0.9452983
III 0.00102508 29.196251 2699.9013 0.00101949 0.9898364 0.9457843

I: membership function, II: nonmembership function, and III: FLT.