Order Picking Systems: A Queue Model for Dimensioning the Storage Capacity, the Crew of Pickers, and the AGV Fleet

Table 9

Basic times summary.

Parameter	Description	Formula	Time
	Fixed forks time (value measured on the field)		15
	Average horizontal time from the I/O AGV to a compartment in the warehouse		61.2
	Average horizontal time up to the output roller conveyor		77.7
	Average intrawarehouse transfer time		61.6
	Average time to raise/lower the forks		10.5