Volume 1, Issue 1 (June 2009)

ISSN Print: 1947-3931   ISSN Online: 1947-394X

Google-based Impact Factor: 0.66  Citations  

The Effect of Price Discount on Time-Cost Trade-off Problem Using Genetic Algorithm

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DOI: 10.4236/eng.2009.11005    6,568 Downloads   11,789 Views  Citations




Time-cost trade off problem (TCTP), known in the literature as project crashing problem (PCP) and project speeding up problem (PSP) is a part of project management in planning phase. In this problem, determining the optimal levels of activity durations and activity costs which satisfy the project goal(s), leads to a balance between the project completion time and the project total cost. A large amount of literature has studied this problem under various behavior of cost function. But, in all of them, influence of discount has not been in-vestigated. Hence, in this paper, TCTP would be studied considering the influence of discount on the re-source price, using genetic algorithm (GA). The performance of proposed idea has been tested on a medium scale test problem and several computational experiments have been conducted to investigate the appropriate levels of proposed GA considering accuracy and computational time.

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H. Mokhtari and A. Aghaie, "The Effect of Price Discount on Time-Cost Trade-off Problem Using Genetic Algorithm," Engineering, Vol. 1 No. 1, 2009, pp. 33-40. doi: 10.4236/eng.2009.11005.

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