Robust optimization models for the dicrete time/cost trade-off problem

Date

2011-03

Authors

Hazır, O.
Erel, E.
Günalay, Y.

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Abstract

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. & 2010 Elsevier B.V. All rights reserved.

Source Title

International Journal of Production Economics

Publisher

Elsevier

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Published Version (Please cite this version)

Language

English