Research Article
Particle Swarm Optimization for Active Structural Control of Highway Bridges Subjected to Impact Loading
Table 4
Response reduction ratios for various optimization cases.
| Optimization case | Method | Deck C1 | Deck C2 | Pier C1 | Pier C2 |
| Deck displacement | USM | 0.87 | 0.67 | 1.01 | 0.85 | PSO | 0.81 | 0.36 | 1.02 | 0.67 |
| Deck acceleration | USM | 0.65 | 0.67 | 0.81 | 0.37 | PSO | 0.63 | 0.36 | 0.82 | 0.31 |
| Pier displacement | USM | 1.02 | 1.04 | 0.97 | 0.90 | PSO | 1.11 | 1.18 | 0.93 | 0.89 |
| Pier acceleration | USM | 0.61 | 0.90 | 0.71 | 0.26 | PSO | 0.47 | 1.09 | 0.44 | 0.13 |
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