Two-stage ACO to solve the job shop scheduling problem

  • Authors:
  • Amilkar Puris;Rafael Bello;Yaima Trujillo;Ann Nowe;Yailen Martínez

  • Affiliations:
  • Department of Computer Science, Universidad Central de Las Villas, Cuba;Department of Computer Science, Universidad Central de Las Villas, Cuba;Department of Computer Science, Universidad Central de Las Villas, Cuba;CoMo Lab, Department of Computer Science, Vrije Universiteit Brussel, Belgium;Department of Computer Science, Universidad Central de Las Villas, Cuba

  • Venue:
  • CIARP'07 Proceedings of the Congress on pattern recognition 12th Iberoamerican conference on Progress in pattern recognition, image analysis and applications
  • Year:
  • 2007

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Abstract

In this paper, a multilevel approach of Ant Colony Optimization to solve the Job Shop Scheduling Problem (JSSP) is introduced. The basic idea is to split the heuristic search performed by ants into two stages; only the Ant System algorithm belonging to ACO was regarded for the current research. Several JSSP instances were used as input to the new approach in order to measure its performance. Experimental results obtained conclude that the Two-Stage approach significantly reduces the computational time to get a solution similar to the Ant System.