Research Article

The Synchronized and Integrated Two-Level Lot Sizing and Scheduling Problem: Evaluating the Generalized Mathematical Model

Table 4

Parameter ranges.

Par. Ranges Meaning

Setup time (hours) from product to in line
Setup time (hours) from raw material to in tank
Line setup cost
Tank setup cost
Processing time (units/hour) of product in line
Liters of raw material used to produce one unit of product