Research Article
Improved Particle Swarm Optimization with a Collective Local Unimodal Search for Continuous Optimization Problems
Table 17
Results for LDIW-PSO and
-PSO
CLUS for the 14 scaled benchmark problems with dimension of 20.
| | 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 | 785.08 | 773.48 | — | 813.50 | — | — | 545.13 | 518.48 | — | — | 93 | 88.40 | 256.17 | 144.32 | | SR (%) | 100 | 100 | 0 | 88 | 0 | 0 | 32 | 100 | 0 | 0 | 16 | 100 | 48 | 100 |
| | 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 | 594.96 | 419.12 | 1495.45 | 1254.52 | — | — | 820.56 | 722.76 | 639.88 | 636.08 | 147.52 | 19.88 | 595.80 | 593.52 | | SR (%) | 100 | 100 | 88 | 100 | 0 | 0 | 100 | 100 | 100 | 100 | 92 | 100 | 100 | 100 |
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