Minimum-Fuel Ascent of Hypersonic Vehicle considering Control Constraint Using the Improved Pigeon-Inspired Optimization Algorithm

Table 2

Parameters of global optimization methods.

Parameters	PSO	PIO	The improved PIO
Population size ()	100	100	100
Maximum number of iterations ()	50	50	50
Map factor ()	N/A	0.2	0.2
Learning factor ()	[2,2]	N/A	N/A
Dimension ()	10	10	10
Rotating angle ()	N/A	N/A	-11