Robust optimization models for the discrete time/cost trade-off problem
Developing models and algorithms to generate robust project schedules that are less sensitive to disturbances are essential in today's highly competitive uncertain project environments. This paper addresses robust scheduling in project environments; specifically, we address the discrete time/cost trade-off problem (DTCTP). We formulate the robust DTCTP with three alternative optimization models in which interval uncertainty is assumed for the unknown cost parameters. We develop exact and heuristic algorithms to solve these robust optimization models. Furthermore, we compare the schedules that have been generated with these models on the basis of schedule robustness.
Year of publication: |
2011
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Authors: | HazIr, Öncü ; Erel, Erdal ; Günalay, Yavuz |
Published in: |
International Journal of Production Economics. - Elsevier, ISSN 0925-5273. - Vol. 130.2011, 1, p. 87-95
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Publisher: |
Elsevier |
Keywords: | Project scheduling Robust Optimization Benders decomposition Tabu search |
Saved in:
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