Iterated Local Search with Neighbourhood Reduction for the Pickups and Deliveries Problem Arising in Retail Industry
- Publisher:
- Springer International Publishing
- Publication Type:
- Chapter
- Citation:
- Optimization and Learning, 2021, 1443, pp. 190-202
- Issue Date:
- 2021-01-01
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The paper studies a vehicle routing problem with simultaneous pickups and deliveries that arises in the retail sector, which considers a heterogeneous fleet of vehicles, time windows of the demands, practical restrictions on the drivers and a roster specifying the order of vehicle loading at the depot. The high competition in this industry requires that a viable optimisation approach must achieve a good balance of solution time, quality and robustness. In this paper, a novel iterated local search algorithm is proposed which dynamically reduces the neighbourhood so that only the most promising moves are considered. The results of computational experiments on real-world data demonstrate the high efficiency of the presented optimisation procedure in terms of computation time, stability of the optimisation procedure and solution quality.
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