Research Article
Improved Particle Swarm Optimization with a Collective Local Unimodal Search for Continuous Optimization Problems
Table 18
Results for LDIW-PSO and
-PSO
CLUS for the 14 scaled benchmark problems with dimension of 30.
| | Problem | Ackley | Griewank | Dixon-Price | Levy | Noisy Quartic | Noncontinuous Rastrigin | Rastrigin |
| | Algorithm | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS |
| | Best fitness | | | | | | | | | | | | | | | | Mean fitness | | | | | | | | | | | | | | | | Std. Dev. | | | | | | | | | | | | | | | | Av. iteration | 1245.68 | 1194.40 | 1050.23 | 1060.44 | — | — | 928.00 | 865.44 | — | — | — | 658.48 | 518.00 | 718.21 | | SR (%) | 100 | 100 | 52 | 100 | 0 | 0 | 4 | 100 | 0 | 0 | 0 | 92 | 4 | 96 |
| | Problem | Rosenbrock | Rotated Ellipsoid | Schwefel | Schwefel 2.22 | Sphere | Step | Sum Squares |
| | Algorithm | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS | LDIW-PSO | -PSOCLUS |
| | Best fitness | | | | | | | | | | | | | | | | Mean fitness | | | | | | | | | | | | | | | | Std. Dev. | | | | | | | | | | | | | | | | Av. iteration | 1920.22 | 2078.70 | — | 2524.35 | — | — | 1576.75 | 1120.20 | 1033.04 | 1028.12 | 408.92 | 22.52 | 968.72 | 952.28 | | SR (%) | 92 | 92 | 0 | 92 | 0 | 0 | 80 | 100 | 100 | 100 | 52 | 100 | 100 | 100 |
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