Genetic Programming Method for Satellite System Topology and Parameter Optimization

Table 4

Optimization results of key components in the tree structure.

Component category	Initial scheme			Optimized scheme
	Type	Number	Parameters	Type	Number	Parameters
Camera	PL-SC-5m-37.5	1	Focal length 900 mm, view angle 28°, pixel size 20 μm	PL-SC-5m-50	1	Focal length 1000 mm, view angle 30°, pixel size 10 μm
Wheel	MW-1Nm	3	Angular momentum 0.957 N·m·s	MW-2Nm	5	Angular momentum 1.88 N·m·s
Solar wing	GaAs-15	2	Area 13.55 m^2	GaAs-18	2	Area 10.39 m^2
Thruster	TH-1N	6	Force 1 N	TH-2N	8	Force 0.1 N
Antenna	AT-S2000	2	Area 1 m^2	AT-L1500	1	Area 1.5 m^2
Hot window	HW-R090	2	Area 0.305 m^2	HW-R088	2	Area 0.3229 m^2