Research Article
Intelligent Warehouse Robot Scheduling System Using a Modified Nondominated Sorting Algorithm
Table 2
Experimental results of IGD on ZDTs (mean and standard deviation).
| Problem | M | NSGAII | IBEA | MBNSGAII |
| ZDT1 | 2 | 4.7879e-3 (1.31e-4) - | 4.0901e-3 (1.01e-4) - | 3.9627e-3 (6.92e-5) | ZDT2 | 2 | 4.9504e-3 (2.24e-4) + | 8.4212e-3 (7.74e-4) - | 5.3033e-3 (1.32e-4) | ZDT3 | 2 | 5.4102e-3 (1.31e-4) - | 1.6020e-2 (8.05e-4) - | 5.0404e-3 (1.24e-4) | ZDT4 | 2 | 5.0667e-3 (4.10e-4) + | 2.2761e-2 (1.59e-2) - | 6.3474e-3 (2.30e-4) | ZDT5 | 2 | 5.1086e-1 (8.31e-2) + | 1.8513e+0 (4.39e-1)= | 1.6593e+0 (7.13e-1) | ZDT6 | 2 | 3.7200e-3 (1.20e-4)= | 4.4425e-3 (1.14e-4) - | 3.7006e-3 (5.32e-5) |
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