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Quality- and profit-oriented scheduling of resource-constrained projects with flexible project structure via a genetic algorithm

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  • Carolin Kellenbrink
  • Stefan Helber

Abstract

We study the problem of determining both the structure and the schedule of projects subject to capacity constraints. We assume that those projects are flexible in the sense that the activities to be implemented are not entirely known in advance. In such a setting, decisions must be made with respect to the implementation of the optional activities. Such decisions affect the duration, cost, quality and eventual revenue of the project. Examples of this type of problem can often be found when complex capital goods such as aircraft engines are overhauled, or when buildings are renovated to meet higher environmental and efficiency standards. We describe the problem, develop a mixed-integer optimisation model, explain specific features of a genetic algorithm to solve the problem and report the results of a numerical study. [Received 26 December 2014; Revised 15 July 2015; Revised 22 September 2015; Accepted 10 March 2016]

Suggested Citation

  • Carolin Kellenbrink & Stefan Helber, 2016. "Quality- and profit-oriented scheduling of resource-constrained projects with flexible project structure via a genetic algorithm," European Journal of Industrial Engineering, Inderscience Enterprises Ltd, vol. 10(5), pages 574-595.
    • Handle: RePEc:ids:eujine:v:10:y:2016:i:5:p:574-595
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    Cited by:

    1. André Schnabel & Carolin Kellenbrink & Stefan Helber, 2018. "Profit-oriented scheduling of resource-constrained projects with flexible capacity constraints," Business Research, Springer;German Academic Association for Business Research, vol. 11(2), pages 329-356, September.
    2. Servranckx, Tom & Coelho, José & Vanhoucke, Mario, 2024. "A genetic algorithm for the Resource-Constrained Project Scheduling Problem with Alternative Subgraphs using a boolean satisfiability solver," European Journal of Operational Research, Elsevier, vol. 316(3), pages 815-827.
    3. Luise-Sophie Hoffmann & Carolin Kellenbrink & Stefan Helber, 2020. "Simultaneous structuring and scheduling of multiple projects with flexible project structures," Journal of Business Economics, Springer, vol. 90(5), pages 679-711, June.

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