Table 1.

9 groups of the balloon force and iterations and corresponding RVD values.

Groups	RVD/%
α = 5, t = 50	-6.18
α = 5, t = 100	-2.02
α = 5, t = 150	0.85
α = 10, t = 50	-4.17
α = 10, t = 100	1.05
α = 10, t = 150	4.67
α = 15, t = 50	-2.69
α = 15, t = 100	3.37
α = 15, t = 150	8.34