Research Article
Optimizing Safety Stock Levels in Modular Production Systems Using Component Commonality and Group Technology Philosophy: A Study Based on Simulation
Table 15
Application 2: demands, components used, and initial and final inventories.
| Period (month) | Case | Case | Initial inventory | Components used | Final inventory | Initial inventory | Components used | Final inventory | c1 | c2 | c3 | c4 | c5 | c1 | c2 | c3 | c4 | c5 | c1 | c2 | c3 | c4 | c5 | c1 | c2 | c3 | c4 | c5 | c1 | c2 | c3 | c4 | c5 | c1 | c2 | c3 | c4 | c5 |
| 1 | 10000 | 10000 | 10000 | 10000 | 10000 | 2033 | 2471 | 2809 | 973 | 879 | 7967 | 7529 | 7191 | 9027 | 9121 | 10000 | 10000 | 10000 | 10000 | 10000 | 2033 | 2471 | 2809 | 973 | 879 | 7967 | 7529 | 7191 | 9027 | 9121 | 2 | 7967 | 7529 | 7191 | 9027 | 9121 | 1419 | 1850 | 2293 | 940 | 967 | 6548 | 5679 | 4898 | 8087 | 8154 | 7967 | 7529 | 7191 | 9027 | 9121 | 1419 | 1850 | 2293 | 940 | 967 | 6548 | 5679 | 4898 | 8087 | 8154 | 3 | 6548 | 5679 | 4898 | 8087 | 8154 | 1746 | 2201 | 2656 | 1053 | 1063 | 4802 | 3478 | 2242 | 7034 | 7091 | 6548 | 5679 | 4898 | 8087 | 8154 | 1746 | 2201 | 2656 | 1053 | 1063 | 4802 | 3478 | 2242 | 7034 | 7091 | 4 | 4802 | 3478 | 16242 | 7034 | 7091 | 1964 | 2240 | 2611 | 961 | 1054 | 2838 | 1238 | 13631 | 6073 | 6037 | 4802 | 3478 | 16242 | 7034 | 7091 | 1964 | 2240 | 2611 | 961 | 1054 | 2838 | 1238 | 13631 | 6073 | 6037 | 5 | 2838 | 13238 | 13631 | 6073 | 6037 | 1925 | 2371 | 2826 | 998 | 1262 | 913 | 10867 | 10805 | 5075 | 4775 | 2838 | 13238 | 13631 | 6073 | 6037 | 1925 | 2371 | 2826 | 998 | 1262 | 913 | 10867 | 10805 | 5075 | 4775 | 6 | 6913 | 10867 | 10805 | 5075 | 4775 | 1934 | 2003 | 2387 | 812 | 977 | 4979 | 8864 | 8418 | 4263 | 3798 | 6913 | 10867 | 10805 | 5075 | 4775 | 1934 | 2003 | 2387 | 812 | 977 | 4979 | 8864 | 8418 | 4263 | 3798 | 7 | 4979 | 8864 | 8418 | 4263 | 3798 | 1586 | 1681 | 2113 | 850 | 712 | 3393 | 7183 | 6305 | 3413 | 3086 | 4979 | 8864 | 8418 | 4263 | 3798 | 1586 | 1681 | 2113 | 850 | 712 | 3393 | 7183 | 6305 | 3413 | 3086 | 8 | 3393 | 7183 | 6305 | 3413 | 3086 | 1905 | 2175 | 2682 | 1014 | 1133 | 1488 | 5008 | 3623 | 2399 | 1953 | 3393 | 7183 | 6305 | 3413 | 3086 | 1905 | 2175 | 2682 | 1014 | 1133 | 1488 | 5008 | 3623 | 2399 | 1953 | 9 | 7488 | 5008 | 3623 | 2399 | 1953 | 1715 | 2114 | 2586 | 1035 | 1197 | 5773 | 2894 | 1037 | 1364 | 756 | 7488 | 5008 | 3623 | 2399 | 1953 | 1715 | 2114 | 2586 | 1035 | 1197 | 5773 | 2894 | 1037 | 1364 | 756 | 10 | 5773 | 2894 | 15037 | 1364 | 4756 | 2267 | 2601 | 3022 | 1068 | 1158 | 3506 | 293 | 12015 | 296 | 3598 | 5773 | 2894 | 15037 | 1364 | 4756 | 2267 | 2601 | 3022 | 1068 | 1158 | 3506 | 293 | 12015 | 296 | 3598 | 11 | 3506 | 12293 | 12015 | 4296 | 3598 | 1603 | 1874 | 2324 | 857 | 1075 | 1903 | 10419 | 9691 | 3439 | 2523 | 3506 | 12293 | 12015 | 4296 | 3598 | 1603 | 1874 | 2324 | 857 | 1075 | 1903 | 10419 | 9691 | 3439 | 2523 | 12 | 7903 | 10419 | 9691 | 3439 | 2523 | 1842 | 2152 | 2830 | 1192 | 1251 | 6061 | 8267 | 6861 | 2247 | 1272 | 7903 | 10419 | 9691 | 3439 | 2523 | 1842 | 2152 | 2830 | 1192 | 1251 | 6061 | 8267 | 6861 | 2247 | 1272 | 13 | 6061 | 8267 | 6861 | 2247 | 1272 | 1959 | 2069 | 2522 | 916 | 968 | 4102 | 6198 | 4339 | 1331 | 304 | 6061 | 8267 | 6861 | 2247 | 1272 | 1959 | 2069 | 2522 | 916 | 968 | 4102 | 6198 | 4339 | 1331 | 304 | 14 | 4102 | 6198 | 4339 | 5331 | 4304 | 2029 | 2330 | 2795 | 1032 | 958 | 2073 | 3868 | 1544 | 4299 | 3346 | 4102 | 6198 | 4339 | 1331 | 4304 | 2029 | 2330 | 2795 | 1032 | 958 | 2073 | 3868 | 1544 | 299 | 3346 | 15 | 2073 | 3868 | 15544 | 4299 | 3346 | 2286 | 2408 | 2838 | 1042 | 855 | 0 | 1460 | 12706 | 3257 | 2491 | 2073 | 3868 | 15544 | 4299 | 3346 | 2286 | 2408 | 2838 | 1042 | 855 | 0 | 1460 | 12706 | 3257 | 2491 | 16 | 6000 | 13460 | 12706 | 3257 | 2491 | 1746 | 2087 | 2486 | 965 | 960 | 4254 | 11373 | 10220 | 2292 | 1531 | 6000 | 13460 | 12706 | 3257 | 2491 | 1746 | 2087 | 2486 | 965 | 960 | 4254 | 11373 | 10220 | 2292 | 1531 | 17 | 4254 | 11373 | 10220 | 2292 | 1531 | 1774 | 2141 | 2603 | 972 | 1123 | 2480 | 9232 | 7617 | 1320 | 408 | 4254 | 11373 | 10220 | 2292 | 1531 | 1774 | 2141 | 2603 | 972 | 1123 | 2480 | 9232 | 7617 | 1320 | 408 | 18 | 2480 | 9232 | 7617 | 1320 | 4408 | 1838 | 1929 | 2468 | 933 | 891 | 642 | 7303 | 5149 | 387 | 3517 | 2480 | 9232 | 7617 | 1320 | 4408 | 1838 | 1929 | 2468 | 933 | 891 | 642 | 7303 | 5149 | 387 | 3517 | 19 | 6642 | 7303 | 5149 | 4387 | 3517 | 2027 | 2359 | 2731 | 1017 | 881 | 4615 | 4944 | 2418 | 3370 | 2636 | 6642 | 7303 | 5149 | 4387 | 3517 | 2027 | 2359 | 2731 | 1017 | 881 | 4615 | 4944 | 2418 | 3370 | 2636 | 20 | 4615 | 4944 | 16418 | 3370 | 2636 | 1981 | 2506 | 2942 | 1101 | 1065 | 2634 | 2438 | 13476 | 2269 | 1571 | 4615 | 4944 | 16418 | 3370 | 2636 | 1981 | 2506 | 2942 | 1101 | 1065 | 2634 | 2438 | 13476 | 2269 | 1571 | 21 | 2634 | 2438 | 13476 | 2269 | 1571 | 1335 | 1524 | 1884 | 733 | 945 | 1299 | 914 | 11592 | 1536 | 626 | 2634 | 2438 | 13476 | 2269 | 1571 | 1335 | 1524 | 1884 | 733 | 945 | 1299 | 914 | 11592 | 1536 | 626 | 22 | 7299 | 12914 | 11592 | 1536 | 4626 | 1287 | 1834 | 2219 | 838 | 1121 | 6012 | 11080 | 9373 | 698 | 3505 | 7299 | 12914 | 11592 | 1536 | 4626 | 1287 | 1834 | 2219 | 838 | 1121 | 6012 | 11080 | 9373 | 698 | 3505 | 23 | 6012 | 11080 | 9373 | 4698 | 3505 | 1917 | 2149 | 2528 | 938 | 973 | 4095 | 8931 | 6845 | 3760 | 2532 | 6012 | 11080 | 9373 | 4698 | 3505 | 1917 | 2149 | 2528 | 938 | 973 | 4095 | 8931 | 6845 | 3760 | 2532 | 24 | 4095 | 8931 | 6845 | 3760 | 2532 | 1925 | 2210 | 2694 | 1003 | 1236 | 2170 | 6721 | 4151 | 2757 | 1296 | 4095 | 8931 | 6845 | 3760 | 2532 | 1925 | 2210 | 2694 | 1003 | 1236 | 2170 | 6721 | 4151 | 2757 | 1296 | 25 | 2170 | 6721 | 4151 | 2757 | 1296 | 1931 | 2323 | 2924 | 1214 | 979 | 239 | 4398 | 1227 | 1543 | 317 | 2170 | 6721 | 4151 | 2757 | 1296 | 1931 | 2323 | 2924 | 1214 | 979 | 239 | 4398 | 1227 | 1543 | 317 | 26 | 6239 | 4398 | 15227 | 1543 | 4317 | 1667 | 2046 | 2401 | 854 | 1015 | 4572 | 2352 | 12826 | 689 | 3302 | 6239 | 4398 | 15227 | 1543 | 4317 | 1667 | 2046 | 2401 | 854 | 1015 | 4572 | 2352 | 12826 | 689 | 3302 | 27 | 4572 | 14352 | 12826 | 4689 | 3302 | 2232 | 2543 | 2991 | 1108 | 1029 | 2340 | 11809 | 9835 | 3581 | 2273 | 4572 | 14352 | 12826 | 4689 | 3302 | 2232 | 2543 | 2991 | 1108 | 1029 | 2340 | 11809 | 9835 | 3581 | 2273 | 28 | 2340 | 11809 | 9835 | 3581 | 2273 | 2146 | 2447 | 2942 | 1115 | 1002 | 194 | 9362 | 6893 | 2466 | 1271 | 2340 | 11809 | 9835 | 3581 | 2273 | 2146 | 2447 | 2942 | 1115 | 1002 | 194 | 9362 | 6893 | 2466 | 1271 | 29 | 6194 | 9362 | 6893 | 2466 | 5271 | 1813 | 2394 | 2879 | 1110 | 1290 | 4381 | 6968 | 4014 | 1356 | 3981 | 6194 | 9362 | 6893 | 2466 | 1271 | 1813 | 2394 | 2879 | 1110 | 1290 | 4381 | 6968 | 4014 | 1356 | 0 | 30 | 4381 | 6968 | 4014 | 1356 | 3981 | 2314 | 2622 | 2892 | 938 | 1081 | 2067 | 4346 | 1122 | 418 | 2900 | 4381 | 6968 | 4014 | 1356 | 4000 | 2314 | 2622 | 2892 | 938 | 1081 | 2067 | 4346 | 1122 | 418 | 2919 | 31 | 2067 | 4346 | 15122 | 4418 | 2900 | 2049 | 2326 | 2745 | 976 | 847 | 18 | 2020 | 12377 | 3442 | 2053 | 2067 | 4346 | 15122 | 4418 | 2919 | 2049 | 2326 | 2745 | 976 | 847 | 18 | 2020 | 12377 | 3442 | 2072 | 32 | 6018 | 14020 | 12377 | 3442 | 2053 | 1898 | 2179 | 2551 | 932 | 887 | 4120 | 11841 | 9826 | 2510 | 1166 | 6018 | 14020 | 12377 | 3442 | 2072 | 1898 | 2179 | 2551 | 932 | 887 | 4120 | 11841 | 9826 | 2510 | 1185 | 33 | 4120 | 11841 | 9826 | 2510 | 5166 | 1890 | 2326 | 2802 | 1068 | 997 | 2230 | 9515 | 7024 | 1442 | 4169 | 4120 | 11841 | 9826 | 2510 | 5185 | 1890 | 2326 | 2802 | 1068 | 997 | 2230 | 9515 | 7024 | 1442 | 4188 | 34 | 2230 | 9515 | 7024 | 1442 | 4169 | 1831 | 2137 | 2583 | 1031 | 865 | 399 | 7378 | 4441 | 411 | 3304 | 2230 | 9515 | 7024 | 1442 | 4188 | 1831 | 2137 | 2583 | 1031 | 865 | 399 | 7378 | 4441 | 411 | 3323 | 35 | 6399 | 7378 | 4441 | 4411 | 3304 | 1932 | 2145 | 2735 | 1078 | 1060 | 4467 | 5233 | 1706 | 3333 | 2244 | 6399 | 7378 | 4441 | 4411 | 3323 | 1932 | 2145 | 2735 | 1078 | 1060 | 4467 | 5233 | 1706 | 3333 | 2263 | 36 | 4467 | 5233 | 15706 | 3333 | 2244 | 1435 | 1874 | 2223 | 786 | 1039 | 3032 | 3359 | 13483 | 2547 | 1205 | 4467 | 5233 | 15706 | 3333 | 2263 | 1435 | 1874 | 2223 | 786 | 1039 | 3032 | 3359 | 13483 | 2547 | 1224 |
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