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• W2912824156 abstract "Program Evaluation and Review Technique (PERT) is widely used for project management in real world applications. The aim of this paper is to simulate and analyze a PERT network under conditions of uncertainty though a hybrid model. The basic assumption is that a project under extreme conditions of uncertainty can be satisfactorily modelled by using simple fuzzy linguistic variables to estimate activities durations, and a probability distribution function randomly selected in order to measure the activity times. Fuzzy linguistic expressions are used to estimate the activity time. Activity parameters are calculated by using basic operations between triangular fuzzy numbers and centroid method with classical Beta PERT definition. For each activity time a probability distribution function is randomly selected from a set of four possible distributions commonly cited in the literature. Hypothetical projects with 4, 40, 400 and 4000 activities using the proposed model are analyzed; the project duration is estimated through Monte Carlo Simulation. Finally, results are analyzed and compared with classical Beta PERT technique." @default.
• W2912824156 created "2019-02-21" @default.
• W2912824156 creator A5073056739 @default.
• W2912824156 date "2019-02-01" @default.
• W2912824156 modified "2023-09-27" @default.
• W2912824156 title "Pert using Fuzzy variables and probability distribution function randomly selected" @default.
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• W2912824156 doi "https://doi.org/10.14807/ijmp.v10i1.844" @default.
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