Research Article
Green Vehicle Routing and Scheduling Optimization of Ship Steel Distribution Center Based on Improved Intelligent Water Drop Algorithms
| | Problem group | GA | IDW | IIDW | | Distance | Cost | C cost | CPU time | Distance | Cost | C cost | CPU time | Distance | Cost | C cost | CPU time |
| | R101 | 3697.9 | 172030 | 35464 | 3.01 s | 3500.6 | 206140 | 45120 | 5.92 s | 3371.7 | 166230 | 33420 | 3.26 s | | R102 | 3555.9 | 186180 | 36150 | 3.59 s | 3535.3 | 216150 | 44311 | 6.35 s | 3483.6 | 174330 | 34551 | 4.01 s | | R103 | 3686.9 | 185860 | 36981 | 3.86 s | 3644.8 | 203230 | 46102 | 4.29 s | 3319.1 | 177212 | 36806 | 3.53 s | | R104 | 3650.5 | 181471 | 39760 | 3.20 s | 3685.1 | 209840 | 47230 | 5.13 s | 3420.6 | 167178 | 38083 | 4.03 s | | R105 | 3536.1 | 172480 | 38012 | 3.62 s | 3451.8 | 207270 | 45620 | 5.53 s | 3391.6 | 166847 | 36692 | 3.73 s | | R106 | 3377.1 | 160080 | 41320 | 3.73 s | 3556.6 | 208840 | 48158 | 4.36 s | 3241.3 | 147106 | 40281 | 3.90 s | | R107 | 3662.9 | 179020 | 33015 | 3.23 s | 3414.9 | 196120 | 43012 | 5.02 s | 3319.4 | 167955 | 31304 | 3.01 s | | R108 | 3506 | 177732 | 37108 | 4.01 s | 3225.9 | 198400 | 45890 | 4.88 s | 3094.2 | 168048 | 35655 | 3.95 s | | R109 | 3237.9 | 189310 | 36550 | 3.92 s | 3223.4 | 216650 | 46301 | 5.59 s | 3071.6 | 176759 | 36263 | 4.25 s | | R110 | 3351.4 | 194700 | 37163 | 4.62 s | 3392.4 | 187280 | 45285 | 6.08 s | 3131.3 | 177486 | 35445 | 5.09 s | | R111 | 3547 | 187390 | 40103 | 4.44 s | 3390.7 | 197750 | 48162 | 6.64 s | 3230.2 | 178267 | 38075 | 4.99 s | | R112 | 3749.3 | 184180 | 42560 | 3.63 s | 3583.8 | 217470 | 49032 | 5.20 s | 3479.7 | 177696 | 40022 | 4.29 s |
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Bold type represents the best value in each group of data.
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