Table 9. Comparison of the optimal robust configuration between DBO solution and the BFS solution under different λ.

Parameters		BFS solution			DBO solution			Opt_Dev
λ	G	m BFS	s BFS	r BFS	m DBO	s DBO	r DBO	$\left|\left(r_{DBO}-r_{BFS}\right)/r_{BFS}\right|$
10	60	13.2191	1.1841	0.33003176	13.2120	1.1846	0.33003117	0.000178%
12	60	16.8257	1.3126	0.54537972	16.8255	1.3126	0.54537966	0.000010%
14	60	20.3925	1.3998	0.67672704	20.3930	1.3997	0.67672701	0.000004%
16	60	23.8241	1.4658	0.76704506	23.7644	1.4676	0.76704205	0.000392%
18	60	27.2783	1.5147	0.83340771	27.3285	1.5135	0.83340562	0.000250%
20	60	30.6662	1.5542	0.88438818	30.5062	1.5577	0.88438644	0.000197%