On the distribution of the maximum number of broken machines for the repairman problem

On the distribution of the maximum number of broken machines for the repairman problem

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Article ID: iaor19941705
Country: United States
Volume: 54
Issue: 2
Start Page Number: 508
End Page Number: 547
Publication Date: Apr 1994
Journal: SIAM Journal on Control and Optimization
Authors:
Keywords: distribution, queues: applications
Abstract:

The repairman problem is considered where a single repairman services M identical machines that fail at exponential waiting times and have service densityequ1. The distribution of the maximum number of failed machines during a busy period is computed. When equ2,an exact expression for this quantity is derived. This expression is then evaluated asymptotically for equ3 with equ4. The case of general equ5 is considered, and asymptotic expansions are derived for the maximum number of failed machines. These expansions are constructed using singular perturbation techniques such as the Wentzel, Kramer, and Brillouin method and the method of matched asymptotic expansions. Numerical comparisons show the quality of the asymptotic approximations.

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