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An Imitation and Heuristic Method for Scheduling with Subcontracted Resources

Author

Listed:
  • Anna Antonova

    (Faculty of Information Technology and Automatics, Ural Federal University, 620002 Ekaterinburg, Russia)

  • Konstantin Aksyonov

    (Faculty of Information Technology and Automatics, Ural Federal University, 620002 Ekaterinburg, Russia)

  • Olga Aksyonova

    (Faculty of Information Technology and Automatics, Ural Federal University, 620002 Ekaterinburg, Russia)

Abstract

A scheduling problem with subcontracted resources is widely spread and is associated with the distribution of limited renewable and non-renewable resources, both own and subcontracted ones based on the work’s due dates and the earliest start time. Scheduling’s goal is to reduce the cost of the subcontracted resources. In the paper, application of a few scheduling methods based on scheduling theory and the optimization algorithm is considered; limitations of these methods’ application are highlighted. It is shown that the use of simulation modeling with heuristic rules for allocation of the renewable resources makes it possible to overcome the identified limitations. A new imitation and heuristic method for solving the assigned scheduling problem is proposed. The comparison of the new method with existing ones in terms of the quality of the found solution and performance of the methods is carried out. A case study is presented that allowed a four-fold reduction of the overall subcontracted resources cost in a real project portfolio.

Suggested Citation

  • Anna Antonova & Konstantin Aksyonov & Olga Aksyonova, 2021. "An Imitation and Heuristic Method for Scheduling with Subcontracted Resources," Mathematics, MDPI, vol. 9(17), pages 1-22, August.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:17:p:2098-:d:625513
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    References listed on IDEAS

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    1. Haifei Yu & Songjian Han & Dongsheng Yang & Zhiyong Wang & Wei Feng & Atila Bueno, 2021. "Job Shop Scheduling Based on Digital Twin Technology: A Survey and an Intelligent Platform," Complexity, Hindawi, vol. 2021, pages 1-12, April.
    2. Charles E. Clark, 1962. "Letter to the Editor---The PERT Model for the Distribution of an Activity Time," Operations Research, INFORMS, vol. 10(3), pages 405-406, June.
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