An Analysis of Robustness Approaches for the Airport Baggage Sorting Station Assignment Problem

Table 5

Number of instances with a significantly statistically lower number of conflicts in each range of numbers of BSSs for disruptions with a delay  min and all the approaches alone and combined with TRS for a significance level of 0.05.

Approach	H1T091216		H1T100301
	Max. (9, 5, 3)		Max. (6, 6, 5)
	3-pier	4-pier	3-pier	4-pier
BSARS	(2, 0, 0)	(1, 0, 0)	(0, 0, 0)	(3, 0, 0)
TRS + BSARS	(3, 0, 0)	(3, 0, 0)	(0, 0, 0)	(4, 0, 0)
PCBG
7.2	(5, 2, 1)	(3, 1, 0)	(1, 1, 0)	(, 2, 0)
10	(, , 0)	(, 1, 0)	(2, , 0)	(, , 0)
TRS + UESRS
Exp 0.03
7.2	(2, 1, 0)	(0, 1, 0)	(2, 1, 1)	(1, 2, 0)
10	(2, 1, 0)	(1, , )	(, 2, )	(2, 1, 1)
Inverse 6
7.2	(0, 0, )	(0, 1, 0)	(0, 1, 1)	(0, 0, 0)
10	(0, 0, )	(0, 1, 2)	(0, 1, )	(0, 2, )