Demonstration of Smart Railway Level Crossing Design and Validation Using Data from Metro Rail, South Africa

Table 7

Sensitivity analysis of the Powell optimisation using NEWUOA software.

Initial condition	Time (s)	Iterations
(0,30),(8.5,30),(2,30)	13.430	10000
(15,40),(7.1,40),(4,40)	8.005	7060
(30,50),(5,50),(10,50)	6.233	5002
(35,60),(9,60),(14,60)	2.511	1890
(35,70),(4,70),(12,70)	2.084	1055
(30,80),(4.2,80),(10,80)	1.552	1010
(40,90),(5.2,90),(14,90)	2.126	1580
(35,100),(6,100),(10,100)	2.905	2806
(45,120),(4.3,120),(10,120)	3.057	3500