Table 2: Optimal maintenance policies with NRRW when wr=0.1.

β A y Optimal
policy		 NFRRW NPRRW
cr cr
30 50 70 30 50 70
2 0.1 0.25wr   τ* 1.5662 2.5085 3.2681 2.6249 3.8555 4.8520
C(τ*) 18.5473 24.2012 28.7587 24.8995 32.2832 38.2622
0.50wr   τ* 1.5578 2.5021 3.2627 2.3040 3.4467 4.3711
C(τ*) 18.6467 24.3125 28.8762 23.1237 29.9803 35.5267
0.25 0.25wr   τ* 1.5086 2.4646 3.2313 2.5921 3.8302 4.8307
C(τ*) 19.1016 24.8378 29.4377 25.6024 33.0316 39.0345
0.50wr   τ* 1.5000 2.4581 3.2258 2.2683 3.4194 4.3481
C(τ*) 19.2000 24.9487 29.5549 23.8097 30.7161 36.2885
0.5 0.25wr   τ* 1.4100 2.3904 3.1692 2.5367 3.7879 4.7951
C(τ*) 20.0102 25.8922 30.5654 26.7702 34.2773 40.3206
0.50wr   τ* 1.4012 2.3837 3.1637 2.2081 3.3734 4.3095
C(τ*) 20.1069 26.0024 30.6821 24.9486 31.9404 37.5569
2.3 0.1 0.25wr   τ* 0.8352 1.4615 1.9505 1.5361 2.3203 2.9366
C(τ*) 21.0713 28.6127 34.8474 29.5457 39.7420 48.2151
0.50wr   τ* 0.8221 1.4503 1.9403 1.3194 2.0563 2.6345
C(τ*) 21.2090 28.7850 35.0406 27.1635 36.5618 44.3590
0.25 0.25wr   τ* 0.7514 1.3912 1.8869 1.4742 2.2656 2.8856
C(τ*) 21.8429 29.6097 35.9773 30.6557 41.0281 49.6110
0.50wr   τ* 0.7380 1.3800 1.8767 1.2549 1.9998 2.5821
C(τ*) 21.9784 29.7825 36.1719 28.2198 37.7997 45.7088
0.5 0.25wr   τ* 0.6072 1.2728 1.7806 1.3721 2.1762 2.8025
C(τ*) 23.0889 31.2725 37.8762 32.5401 43.2155 51.9840
0.50wr   τ* 0.5932 1.2614 1.7704 1.1479 1.9073 2.4965
C(τ*) 23.2189 31.4453 38.0727 30.0084 39.9036 48.0031
2.7 0.1 0.25wr   τ* 0.3340 0.7593 1.0801 0.8079 1.3168 1.7046
C(τ*) 23.2421 32.9897 41.2467 34.1915 47.8196 59.4336
0.50wr   τ* 0.3166 0.7441 1.0659 0.6556 1.1402 1.5083
C(τ*) 23.4039 33.2295 41.5371 31.0799 43.5618 54.1739
0.25 0.25wr   τ* 0.2255 0.6656 0.9932 0.7205 1.2372 1.6287
C(τ*) 24.1302 34.3821 42.9589 35.7644 49.8505 61.7720
0.50wr   τ* 0.2074 0.6501 0.9789 0.5651 1.0587 1.4310
C(τ*) 24.2800 34.6205 43.2524 32.5190 45.4638 56.3826
0.5 0.25wr   τ* 0.0333 0.5055 0.8469 0.5749 1.1065 1.5048
C(τ*) 25.3918 36.6573 45.8366 38.4560 53.3707 65.8328
0.50wr   τ* 0.0136 0.4894 0.8324 0.4134 0.9242 1.3044
C(τ*) 25.5076 36.8873 46.1314 34.9544 48.7498 60.2129