Research Article

Modeling and Optimizing Based on OTCPN in Multi-Tier Shuttle Warehousing System

Table 1

Parameters of the MSWS.

ParametersNotationValue

Width of a unit storage position0.5 
Depth of a unit storage position0.7 
Height of a unit storage position0.5 
Maximum velocity of shuttles2 
Maximum velocity of lifters3 
Acceleration/deceleration rate of shuttles1 
Acceleration/deceleration rate of lifters3 
Fixed time required for the shuttle, lifter to load or unload the tote2 
Fixed time required for the I/O workstation operation15