Improving simulated annealing with variable neighborhood search to solve the resource-constrained scheduling problem

  • Authors:
  • Véronique Bouffard;Jacques A. Ferland

  • Affiliations:
  • University of Montreal, Montreal, Canada H3C 3J7;University of Montreal, Montreal, Canada H3C 3J7

  • Venue:
  • Journal of Scheduling
  • Year:
  • 2007

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Abstract

The purpose of this paper is to improve the simulated annealing method with a variable neighborhood search to solve the resource-constrained scheduling problem. We also compare numerically this method with other neighborhood search (local search) techniques: threshold accepting methods and tabu search. Furthermore, we combine these techniques with multistart diversification strategies and with the variable neighborhood search technique. A thorough numerical study is completed to set the parameters of the different methods and to compare the quality of the solutions that they generate. The numerical results indicate that the simulated annealing method improved with a variable neighborhood search technique is indeed the best solution method.