Maximum entropy approach to machine repair problem

Maximum entropy approach to machine repair problem

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Article ID: iaor20105193
Volume: 5
Issue: 3
Start Page Number: 197
End Page Number: 208
Publication Date: Jul 2010
Journal: International Journal of Services Operations and Informatics
Authors: ,
Keywords: queues: theory
Abstract:

For an M/G/1 machine repair problem, the steady-state probability distributions of the number of down machines are usually found by using the supplementary variable technique and recursive method. We use in this paper the required steady-state availability and the expected number of down machines to compute the maximum entropy approximation for the steady-state probability distributions of the number of down machines in the system, thus avoiding the use of supplementary variable technique. In numerical examples, comparison of the steady-state probability distributions obtained by the exact approach and the approximation procedure are provided to illustrate the effectiveness of maximum entropy approach.

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