Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets

Our research objective is to lower intralogistics costs by minimizing the number of shuffling operations in a steel plant company commercial warehouse. The process of dispatching products consists of retrieving set of steel bar (SSB) from a floor stored stack or a special stacking frame by an overhe...

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Main Authors: Marolt Jakob, Lerher Tone
Format: Article
Language:English
Published: Sciendo 2018-10-01
Series:Logistics & Sustainable Transport
Subjects:
Online Access:https://doi.org/10.2478/jlst-2018-0008
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author Marolt Jakob
Lerher Tone
author_facet Marolt Jakob
Lerher Tone
author_sort Marolt Jakob
collection DOAJ
description Our research objective is to lower intralogistics costs by minimizing the number of shuffling operations in a steel plant company commercial warehouse. The process of dispatching products consists of retrieving set of steel bar (SSB) from a floor stored stack or a special stacking frame by an overhead crane. To retrieve a targeted merchandise all SSB above targeted must be reshuffled. Proper assignment of storage locations is a key logistics problem for efficient order picking. We are comparing two heuristics, that do not require information of dispatching sequence of any stored products. We simulated the problem at hand with both methods. Our objective is to count the number of reshuffles using each heuristic on randomly generated examples and decide which is better in the long run. Our problem has similarities with storage assignment of steel plates or steel coils for minimization of reshuffling operations. The problem is also comparable to storage assignment of containers in a container yard. In our case we are dealing with a special stacking configuration of products, that demands different approach. We want to demonstrate which heuristic should be used in companies that lack necessary storage information infrastructure.
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spelling doaj.art-ab3456320d454a3ea1a4203e04b7fbc72023-01-03T11:24:49ZengSciendoLogistics & Sustainable Transport2232-49682018-10-0192374510.2478/jlst-2018-0008jlst-2018-0008Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar SetsMarolt Jakob0Lerher Tone1University of Maribor/Faculty of Logistics, Celje, SloveniaUniversity of Maribor/Faculty of Logistics, Celje, SloveniaOur research objective is to lower intralogistics costs by minimizing the number of shuffling operations in a steel plant company commercial warehouse. The process of dispatching products consists of retrieving set of steel bar (SSB) from a floor stored stack or a special stacking frame by an overhead crane. To retrieve a targeted merchandise all SSB above targeted must be reshuffled. Proper assignment of storage locations is a key logistics problem for efficient order picking. We are comparing two heuristics, that do not require information of dispatching sequence of any stored products. We simulated the problem at hand with both methods. Our objective is to count the number of reshuffles using each heuristic on randomly generated examples and decide which is better in the long run. Our problem has similarities with storage assignment of steel plates or steel coils for minimization of reshuffling operations. The problem is also comparable to storage assignment of containers in a container yard. In our case we are dealing with a special stacking configuration of products, that demands different approach. We want to demonstrate which heuristic should be used in companies that lack necessary storage information infrastructure.https://doi.org/10.2478/jlst-2018-0008index terms: order pickingshuffling operationssets of steel barsstorage assignment
spellingShingle Marolt Jakob
Lerher Tone
Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
Logistics & Sustainable Transport
index terms: order picking
shuffling operations
sets of steel bars
storage assignment
title Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
title_full Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
title_fullStr Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
title_full_unstemmed Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
title_short Comparison of Lowest-Slot and Nearest-Stack Heuristics for Storage Assignment of Steel Bar Sets
title_sort comparison of lowest slot and nearest stack heuristics for storage assignment of steel bar sets
topic index terms: order picking
shuffling operations
sets of steel bars
storage assignment
url https://doi.org/10.2478/jlst-2018-0008
work_keys_str_mv AT maroltjakob comparisonoflowestslotandneareststackheuristicsforstorageassignmentofsteelbarsets
AT lerhertone comparisonoflowestslotandneareststackheuristicsforstorageassignmentofsteelbarsets