| Title: | Analytical model and swapping policy assessment of a vertical lift module – buffer integrated storage system |
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| Authors: | ID Marolt, Jakob (Author)
ID Sgarbossa, Fabio (Author)
ID Jimenez, Jesus A. (Author)
ID Sharotry, Abhimanyu (Author)
ID Lerher, Tone (Author) |
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| Files: |  https://www.tandfonline.com/doi/full/10.1080/00207543.2024.2396513#d1e252
 RAZ_Marolt_Jakob_2025.pdf (3,57 MB)
MD5: DB0DC0AB587656F09B0948F3081C3E4C
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FL - Faculty of Logistic
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| Abstract: | To meet the rising demands of global trade and e-commerce, efficient warehousing relies on inte-grated and cooperative material handling systems. This paper investigates the extension of VerticalLift Module (VLM) storage capability with a Buffer System and assesses the impact of this integra-tion on performance. We developed an analytical model to calculate the expected dual commandcycles, forming the basis for evaluating the VLM – Buffer integrated storage system’s performance.Our research emphasises minimising unnecessary swaps between the VLM and the Buffer Systemto enhance throughput performance. We introduce the Look Ahead Strategy (LAS) to minimiseinter-system swaps and develop a Binary Integer Program (BIP) to benchmark its performance. Theresults indicate that LAS performs on par with BIP, due to its ability to consider product popular-ity during the final selection of the outbound swapping tote. Through a comprehensive analysisof the analytical model with an empirical correction, utilising Pareto-based order sequences, theresults show deviations of less than 1% on average, affirming the analytical model’s accuracy. Ourresearch provides insights on using the VLM-Buffer integrated storage system, emphasising efficienttote swapping policies like LAS for enhanced warehouse operations, and allows managers to assesssystem performance through scenario-based analyses. |
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| Keywords: | automated warehouses, vertical lift module, toteswapping, analytical and numerical modelling, performance evaluation |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 10.09.2024 |
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| Year of publishing: | 2025 |
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| Number of pages: | str. 2150–2169 |
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| Numbering: | 63, 6 |
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| PID: | 20.500.12556/DKUM-90964  |
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| UDC: | 658.286:007 |
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| ISSN on article: | 1366-588X |
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| COBISS.SI-ID: | 208594947 |
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| DOI: | 10.1080/00207543.2024.2396513 |
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| Publication date in DKUM: | 11.10.2024 |
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| Views: | 170 |
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| Downloads: | 50 |
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| Metadata: |    |
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| Categories: | Misc.
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