English, Article, Journal or magazine article edition: Using a TSP-heuristic for routing order pickers in warehouses C. THEYS; O. BRÄYSY; W. DULLAERT; ...

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Bookmark: http://trove.nla.gov.au/version/15372
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Using a TSP-heuristic for routing order pickers in warehouses
Author
  • C. THEYS
  • O. BRÄYSY
  • W. DULLAERT
  • B. RAA
Physical Description
  • preprint
Notes
  • In this paper, we deal with the sequencing and routing problem of order pickers in conventional multi-parallel-aisle warehouse systems. For this NP-hard Steiner Travelling Salesman Problem, exact algorithms only exist for warehouses with at most three cross aisles. We propose a new approach in which the problem is reformulated into a classical Travelling Salesman Problem (TSP). As a result, the powerful (meta)heuristic search procedures for the classical TSP can be used for solving this problem. To the best of our knowledge, a similar approach has not yet been used in the literature on order picking. Computational tests comparing the Lin-Kernighan TSP heuristic to traditional construction heuristics for routing order pickers report up to 47 percent average improvements on total distance travelled.
  • order picking, routing, warehousing, logistics
  • RePEc:rug:rugwps:09/​549
Language
  • English
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