Research Article

Large-Scale Storage/Retrieval Requests Sorting Algorithm for Multi-I/O Depots Automated Storage/Retrieval Systems

Figure 6

Minimum cost merging process of subloops of the example shown in Table 2. (a) Three subloops determined by assignment. (b) Minimum cost merging scheme. (c) New subloops after minimum cost merging. (d) Minimum cost merging scheme. (e) Tour after minimum cost merging.