Research Article
Improved Particle Swarm Optimization with a Collective Local Unimodal Search for Continuous Optimization Problems
Table 13
Results for RIW-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 | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS |
| | Best fitness | | | | | | | | | | | | | | | | Mean fitness | | | | | | | | | | | | | | | | Std. Dev. | | | | | | | | | | | | | | | | Av. iteration | 580.67 | 488.52 | 402.00 | 382.80 | — | — | 248.00 | 200.04 | — | — | 51.5 | 86.72 | 56.2 | 89.08 | | SR (%) | 84 | 100 | 4 | 100 | 0 | 0 | 16 | 100 | 0 | 0 | 16 | 100 | 20 | 100 |
| | Problem | Rosenbrock | Rotated Ellipsoid | Schwefel | Schwefel 2.22 | Sphere | Step | Sum Squares |
| | Algorithm | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS | RIW-PSO | -PSOCLUS |
| | Best fitness | | | | | | | | | | | | | | | | Mean fitness | | | | | | | | | | | | | | | | Std. Dev. | | | | | | | | | | | | | | | | Av. iteration | 263.40 | 133.72 | 1763.10 | 1636.74 | — | — | 575.92 | 418.88 | 354.00 | 309.04 | 646.57 | 19.36 | 310.72 | 268.12 | | SR (%) | 100 | 100 | 84 | 92 | 0 | 0 | 100 | 100 | 100 | 100 | 28 | 100 | 100 | 100 |
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