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Scheduling of multiple projects with constrained resources and preemption

Author

Listed:
  • Carlos A. Salazar-García
  • Jairo R. Montoya-Torres
  • Edgar H. Alfonso-Lizarazo

Abstract

The resource-constrained (single) project scheduling problem has been widely studied in literature. A common assumption in its basic version is that the execution of activities cannot be interrupted, that is activities are non-preemptable. Very little effort has been made to analyse the impact of activity preemption. In addition, classical project scheduling models only consider the case of a single project. This paper considers the problem of scheduling multiple projects under the assumption of activities preemption. A heuristic algorithm is proposed and its performance is analysed using several well-known priority rules. Computational experiments are carried out using the well-known datasets from the PSP Library. Results show the advantages of incorporating activity preemption when scheduling multiple projects.

Suggested Citation

  • Carlos A. Salazar-García & Jairo R. Montoya-Torres & Edgar H. Alfonso-Lizarazo, 2016. "Scheduling of multiple projects with constrained resources and preemption," International Journal of Operational Research, Inderscience Enterprises Ltd, vol. 27(1/2), pages 127-148.
    • Handle: RePEc:ids:ijores:v:27:y:2016:i:1/2:p:127-148
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