Research Article
Improved Particle Swarm Optimization with a Collective Local Unimodal Search for Continuous Optimization Problems
Table 14
Results for RIW-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 | 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 | 959.88 | 776.20 | 628.00 | 525.48 | — | — | — | 348.76 | — | — | 107 | 377.72 | 141.00 | 379.35 | SR (%) | 64 | 100 | 36 | 100 | 0 | 0 | 0 | 100 | 0 | 0 | 4 | 100 | 4 | 92 |
| 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 | 1523.36 | 2813.14 | — | — | — | — | 1139.64 | 658.68 | 595.52 | 505.80 | 2881.00 | 21.48 | 526.28 | 436.08 | SR (%) | 44 | 56 | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 | 4 | 100 | 100 | 100 |
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