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/m^2)	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	—