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Automated Stacker Cranes: A Two-Step Storage Reallocation Process for Enhanced Service Efficiency
| Content Provider | MDPI |
|---|---|
| Author | Salah, Bashir Alnahhal, Mohammed Ahmad, Rafiq |
| Copyright Year | 2021 |
| Description | Automated storage and retrieval systems (AS/RS) play a key role in improving the performance of automated manufacturing systems, warehouses, and distribution centers. In the modern manufacturing industry, the term (AS/RS) refers to various methods under computer control for storing and retrieving loads automatically from defined storage locations. Using an (AS/RS) is not considered a value-added activity. Therefore, the longer (AS/RS) travels, the more expensive the warehousing process becomes. This paper presents an algorithm for minimizing total travel distance/time between input/output (I/O) stations. The proposed algorithm is used to manage the storage and retrieval orders on warehouse shelves in class-based storage on the storage racks. It contains two steps: the first step is to evacuate some storage compartments (locations) near the I/O station; in the second step, some tote bins are reallocated to compartments closer to the I/O station. Among the features of this algorithm are mechanisms that determine the number of reallocated tote bins, which tote bins to reallocate, and in which direction (toward the I/O station or away from it). A simulation model using R software developed specifically for this purpose was used to validate the suggested method. Based on the results, the new method can reduce the service time per order by about 10% to 20%, depending on parameters like the number of orders and the height of the storage rack. |
| Starting Page | 2 |
| e-ISSN | 22279717 |
| DOI | 10.3390/pr10010002 |
| Journal | Processes |
| Issue Number | 1 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-12-21 |
| Access Restriction | Open |
| Subject Keyword | Processes Industrial Engineering Automated Storage and Retrieval System Simulation Optimization Approach Storage Assignment |
| Content Type | Text |
| Resource Type | Article |
