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1.
Izvajanje oskrbovalnih verig : transport in skladiščenje
Marcin Hajdul, Tone Lerher, Fabio Sgarbossa, 2019, reviewed university, higher education or higher vocational education textbook

Keywords: upravljanje poslovanja, transport, logistika, visokošolski učbeniki
Published in DKUM: 13.12.2024; Views: 0; Downloads: 15
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2.
Supply chain execution : transportation and warehousing
Marcin Hajdul, Tone Lerher, Fabio Sgarbossa, 2020, reviewed university, higher education or higher vocational education textbook

Keywords: business management, transportation, logistics, higher education textbooks
Published in DKUM: 13.12.2024; Views: 0; Downloads: 6
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3.
Analytical model and swapping policy assessment of a vertical lift module – buffer integrated storage system
Jakob Marolt, Fabio Sgarbossa, Jesus A. Jimenez, Abhimanyu Sharotry, Tone Lerher, 2024, original scientific article

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.
Keywords: automated warehouses, vertical lift module, toteswapping, analytical and numerical modelling, performance evaluation
Published in DKUM: 11.10.2024; Views: 0; Downloads: 1
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4.
An optimisation model for minimising totes exchange in VLM and SBS/RS integrated system
Jakob Marolt, Goran Đukić, Fabio Sgarbossa, Tone Lerher, 2022, published scientific conference contribution

Abstract: Warehouses and distribution centres are based on integrated material handling solutions. Most of the research papers in intralogistics are only concerned with one system to analyse and optimise the addressed system's performance, such as maximum throughput performance, minimum total cost, maximum energy efficiency, etc. This paper presents a concept to justify the proposed VLM and SBS/RS integrated system and a binary integer programming (BIP) model that minimises totes exchange between the two storage systems. The results show that the minimal number of exchanges between VLM and SBS/RS was achieved in a case study with a longer order list (T = 1600) and a highly dependent SKU's Pareto relationship (20-50).
Keywords: automated warehousing, intralogistics, VLM, SBS, RS, integrated systemoptimisation, performance analysis
Published in DKUM: 02.08.2023; Views: 390; Downloads: 57
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