A memetic algorithm for the pickup and delivery problem with time windows using selective route exchange crossover

  • Authors:
  • Yuichi Nagata;Shigenobu Kobayashi

  • Affiliations:
  • Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan;Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan

  • Venue:
  • PPSN'10 Proceedings of the 11th international conference on Parallel problem solving from nature: Part I
  • Year:
  • 2010

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Abstract

The pickup and delivery problem with time windows (PDP TW) is a variant of the vehicle routing problem. In this paper, we present an memetic algorithm (MA) for the PDPTW. Particular attention is paid to the design of the crossover because it is usually very hard to design an effective crossover operator for tightly constrained problems such as the PDPTW. Experimental results on Li and Lim's benchmarks demonstrate that our MA is competitive with existing approaches and improves 146 best-known solutions out of 298 instances.