A PROJECT SCHEDULING METHOD BASED ON FUZZY THEORY

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SOLTANI AHMAD; HAJI R.

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Journal Paper

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Journal: Journal of Industrial and Systems Engineering Year:2007 | Volume:1 | Issue:1 Page(s): 70-80

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Information Journal Paper

Title

A PROJECT SCHEDULING METHOD BASED ON FUZZY THEORY

Author(s)

SOLTANI AHMAD | HAJI R. | Issue Writer Certificate

Keywords

PROJECT SCHEDULING

FUZZY THEORY

MODIFIED BACKWARD PASS (MBP)

TRAPEZOIDAL FUZZY NUMBER (TFN)

LINEAR PROGRAMMING (LP)

Abstract

In this paper a new method based on FUZZY THEORY is developed to solve the PROJECT SCHEDULING problem under fuzzy environment. Assuming that the duration of activities are trapezoidal fuzzy numbers (TFN), in this method we compute several project characteristics such as earliest times, latest times, and, slack times in term of TFN. In this method, we introduce a new approach which we call modified backward pass (MBP). This approach, based on a linear programming (LP) problem, removes negative and infeasible solutions which can be generated by other methods in the backward pass calculation. We drive the general form of the optimal solution of the LP problem which enables practitioners to obtain the optimal solution by a simple recursive relation without solving any LP problem. Through a numerical example, calculation steps in this method and the results are illustrated.

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Cites

CONSTRAINED CONSUMABLE RESOURCE ALLOCATION IN UNCERTAIN PROJECT NETWORKS WITH FUZZY ACTIVITY DURATION

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APA: Copy

SOLTANI, AHMAD, & HAJI, R.. (2007). A PROJECT SCHEDULING METHOD BASED ON FUZZY THEORY. JOURNAL OF INDUSTRIAL AND SYSTEMS ENGINEERING (JISE), 1(1), 70-80. SID. https://sid.ir/paper/307050/en

Vancouver: Copy

SOLTANI AHMAD, HAJI R.. A PROJECT SCHEDULING METHOD BASED ON FUZZY THEORY. JOURNAL OF INDUSTRIAL AND SYSTEMS ENGINEERING (JISE)[Internet]. 2007;1(1):70-80. Available from: https://sid.ir/paper/307050/en

IEEE: Copy

AHMAD SOLTANI, and R. HAJI, “A PROJECT SCHEDULING METHOD BASED ON FUZZY THEORY,” JOURNAL OF INDUSTRIAL AND SYSTEMS ENGINEERING (JISE), vol. 1, no. 1, pp. 70–80, 2007, [Online]. Available: https://sid.ir/paper/307050/en

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