Research Article

A Novel Multiobjective Quantum-Behaved Particle Swarm Optimization Based on the Ring Model

Table 5

Experiment results of all the algorithms in terms of , , and IGD on multimodal functions.

FunctionObjectiveMetricMOQPSOrOMOPSOσMOPSOpdMOPSONSGA-IIPESA-II

WFG220.0059450.011560.058690.081350.0066210.004953
0.56080.55570.55020.54890.56260.5619
IGD0.0073390.0090230.0082870.0088940.0035440.004050
30.02040.032410.10600.11320.10580.1054
0.91460.90730.89390.89030.89500.8933
IGD0.017680.024800.022190.023650.042140.04180
40.035010.047750.11890.12370.11430.07031
0.97300.97250.94010.93780.94150.9612
IGD0.013530.018260.023560.024050.045310.03921

WFG420.027520.030350.049210.030040.011620.01002
0.19150.18880.18980.19100.21610.2166
IGD0.019940.021570.024310.023860.0052900.004598
30.051390.061230.073290.060210.13280.1805
0.40710.38830.38930.39350.35430.3898
IGD0.028300.034920.047760.039540.067450.04754
40.053710.066970.080310.068910.17480.3173
0.64130.60240.60020.61760.41750.4021
IGD0.013080.018650.025890.021030.073110.06605

WFG920.012660.013310.013080.015730.018980.01667
0.23240.23140.23100.23090.23080.2317
IGD0.0089160.0092990.0093130.0093050.0094290.008953
30.026470.033020.032230.058730.1380.1070
0.42300.42060.41350.41780.34540.3793
IGD0.020250.021950.023100.022410.068190.05594
40.059060.070560.071860.10920.20490.1818
0.66400.60790.58710.59500.43140.5207
IGD0.013710.037210.041330.040970.13740.08635

DTLZ720.0095510.0092630.0092200.010080.0088400.01073
0.32420.32520.32400.32270.32920.3285
IGD0.0067850.0066800.0067330.0067120.0037860.003679
30.056560.063210.062290.068700.072330.1459
0.26420.27400.26230.26020.26380.2538
IGD0.044260.045230.045700.052310.051800.07088
40.14420.15980.15600.19630.21820.2603
0.14120.14840.13300.12890.13550.1145
IGD0.11560.12850.13080.16230.15790.2725