Efficient stochastic hybrid heuristics for the multi-depot vehicle routing problem

  • Authors:
  • M. Mirabi;S. M. T. Fatemi Ghomi;F. Jolai

  • Affiliations:
  • Department of Industrial Engineering, Faculty of Engineering, Yazd University, Yazd, P.O. Box 89195-741, Iran;Department of Industrial Engineering, Amirkabir University of Technology, 424 Hafez Avenue, Tehran, Iran;Department of Industrial Engineering, College of Engineering, University of Tehran, Tehran, Iran

  • Venue:
  • Robotics and Computer-Integrated Manufacturing
  • Year:
  • 2010

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Abstract

The paper addresses the problem of multi-depot vehicle routing in order to minimize the delivery time of vehicle objective. Three hybrid heuristics are presented to solve the multi-depot vehicle routing problem. Each hybrid heuristic combines elements from both constructive heuristic search and improvement techniques. The improvement techniques are deterministic, stochastic and simulated annealing (SA) methods. Experiments are run on a number of randomly generated test problems of varying depots and customer sizes. Our heuristics are shown to outperform one of the best-known existing heuristic. Statistical tests of significance are performed to substantiate the claims of improvement.