Constraint-Based Scheduling with Complex Setup Operations: An Iterative Two-Layer Approach

Adriana Pacheco, Cédric Pralet, Stéphanie Roussel

Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence

Main track. Pages 1155-1161.

https://doi.org/10.24963/ijcai.2019/161

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Abstract

In this paper, we consider scheduling problems involving resources that must perform complex setup operations between the tasks they realize. To deal with such problems, we introduce a simple yet efficient iterative two-layer decision process that alternates between the fast synthesis of high-level schedules based on a coarse-grain model of setup operations, and the production of detailed schedules based on a fine-grain model. Experiments realized on representative benchmarks of a multi-robot application show the efficiency of the approach.

Keywords

  • Constraints and SAT: Constraint Satisfaction
  • Planning and Scheduling: Scheduling
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