Simulation optimization with hybrid golden region search

  • Authors:
  • Alireza Kabirian;Sigurdur Olafsson

  • Affiliations:
  • University of Alaska-Anchorage, Anchorage, AK;Iowa State University, Ames, IA

  • Venue:
  • Winter Simulation Conference
  • Year:
  • 2009

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Abstract

Simulation Optimization (SO) is a class of mathematical optimization techniques in which the objective function could only be numerically evaluated through simulation. In this paper, a new SO approach called Golden Region (GR) search is developed for continuous problems. GR divides the feasible region into a number of (sub) regions and selects one region in each iteration for further search based on the quality and distribution of simulated points in the feasible region and the result of scanning the response surface through a metamodel. The experiments show the GR method is efficient compared to three well-established approaches in the literature. We also prove the convergence in probability to global optimum for a large class of random search methods in general and GR in particular.