Table 7. Comparison of the optimal robust configuration between DBO solution and the BFS solution under different λ.

Parameters		BFS solution			DBO solution			Opt_Dev
λ	T	m BFS	s BFS	r BFS	m DBO	s DBO	r DBO	$\left|\left(r_{DBO}-r_{BFS}\right)/r_{BFS}\right|$
10	0.1	20.0000	2.0000	1.37178428	20.0000	2.0000	1.37178428	0.000000%
12	0.1	25.0000	2.5000	1.91408138	25.0000	2.5000	1.91408138	0.000000%
14	0.1	30.0000	3.0000	2.44234351	30.0000	3.0000	2.44234351	0.000000%
16	0.1	35.0000	3.5000	2.96259983	35.0000	3.5000	2.96259983	0.000000%
18	0.1	40.0000	4.0000	3.47788146	40.0000	4.0000	3.47788146	0.000000%
20	0.1	45.0000	4.5000	3.98986718	45.0000	4.5000	3.98986718	0.000000%