Optimization of Storage Location Assignment in Tier-To-Tier Shuttle-Based Storage and Retrieval Systems Based on Mixed Storage

Table 5

Comparison of the effect of job scheduling on outbound job time.

Maximum number of items per storage	Regardless of job scheduling (s)	Consider job scheduling (s)	Improvement rate (%)
1	586324	539178	8.04
2	471522	441508	6.37
3	430190	408474	5.05
4	403877	387200	4.13
5	388251	375621	3.25
6	381769	371258	2.75
7	377218	369144	2.14
8	375916	368827	1.89