Research Article
Reentry Trajectory Optimization for a Hypersonic Vehicle Based on an Improved Adaptive Fireworks Algorithm
Table 3
Performance index and constraints of minimum total heat reentry trajectory optimization with the six comparative algorithms.
| Evaluation index | I-AFWA | S-AFWA | DE | PSO | GA | FWA | Mean | Std | Mean | Std | Mean | Std | Mean | Std | Mean | Std | Mean | Std |
| (kJ) | | | | | | | | | | | | | (kW/m2) | 2037.9 | | 2452.2 | 8.2 | 2448.5 | 1.3 | 2532.8 | 11.8 | 2483.2 | 4.8 | 2756.5 | 32.8 | (kPa) | 18.053 | 0.342 | 24.439 | | 19.854 | 0.771 | 20.955 | 1.210 | 21.386 | 1.005 | 24.852 | 2.363 | (g) | 1.081 | | 2.883 | 0.375 | 1.975 | 0.126 | 2.293 | 0.531 | 2.132 | 0.154 | 2.379 | 0.612 | (km) | 1.70 | 0.12 | 0.95 | 0.61 | 1.78 | 0.06 | 1.03 | 0.55 | 1.43 | 0.23 | 1.15 | 0.64 | (°) | | | | | | | | | | | | | (°) | | | | | | | | | | | | | (m/s) | 5.52 | 0.28 | 7.95 | 2.23 | 7.63 | 0.87 | 8.32 | 0.43 | 6.68 | 0.95 | 7.32 | 1.76 | (°) | 0.598 | 0.199 | 0.753 | 0.272 | 0.680 | 0.142 | 0.833 | 0.105 | 0.768 | 0.176 | 0.712 | 0.235 | (°) | 2.432 | 1.691 | 2.833 | 1.125 | 3.435 | 0.693 | 3.236 | 1.135 | 3.585 | 0.937 | 4.018 | 1.244 | Run time (s) | 258.4 | — | 250.5 | — | 287.1 | — | 232.8 | — | 274.6 | — | 242.7 | — |
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