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On path floats in a stochastic project network

Author

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  • Ching-Chung Kuo
  • Zhen Li
  • Jun Ma

Abstract

In a deterministic project network, all the activity times are fixed values and the path float can be found by computing the difference between the project duration and the path length. This is not possible in its stochastic counterpart, where the path lengths and the project duration change constantly since each activity time is a random variable. In the current literature, several methods have been proposed to define the float of a path in this case but all of them are fundamentally flawed. This paper aims to suggest an improved definition of path float in a stochastic project network and show how to compute it through the use of an approximation algorithm for estimating the mean and variance of the project duration under some reasonable assumptions. A numerical example will be provided to demonstrate the superiority of the new approach to the existing ones.

Suggested Citation

  • Ching-Chung Kuo & Zhen Li & Jun Ma, 2014. "On path floats in a stochastic project network," International Journal of Applied Management Science, Inderscience Enterprises Ltd, vol. 6(2), pages 136-151.
  • Handle: RePEc:ids:injams:v:6:y:2014:i:2:p:136-151
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    Cited by:

    1. Guney, Mukrimin Sevket, 2016. "Solar power and application methods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 776-785.

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