Spacecraft Multiple-Impulse Trajectory Optimization Using Differential Evolution Algorithm with Combined Mutation Strategies and Boundary-Handling Schemes

Table 4

Design boundaries of Cassini mission.

Variable	LB	UB	Units
	−1000	0	MJD2000
	3	5	km/s
	0	1	n/a
	0	1	n/a
	100	400	day
	100	500	day
	30	300	day
	400	1600	day
	800	2200	day
	0.01	0.9	n/a
	0.01	0.9	n/a
	0.01	0.9	n/a
	0.01	0.9	n/a
	0.01	0.9	n/a
	1.05	6
	1.05	6
	1.15	6.5
	1.7	291
	−pi	pi	rad
	−pi	pi	rad
	−pi	pi	rad
	−pi	pi	rad