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Article Dans Une Revue Computers and Operations Research Année : 2017

Scheduling nonpreemptive jobs on parallel machines subject to exponential unrecoverable interruptions

Résumé

In this paper we consider the problem of scheduling n independent jobs on m parallel machines. If, while a machine is processing a job, a failure (unrecoverable interruption) occurs, the current job as well as subsequently scheduled jobs on that machine cannot be performed, and hence do not contribute to the overall revenue or throughput. The objective is to maximize the expected amount of work done before an interruption occurs. In this paper, we investigate the problem when failures are exponentially distributed. We show that the problem is NP-hard, and characterize a polynomially solvable special case. We then propose both an exact algorithm having pseudopolynomial complexity and a heuristic algorithm. A combinatorial upper bound is also proposed for the problem. Experimental results show the effectiveness of the heuristic approach.
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Dates et versions

hal-01394900 , version 1 (14-11-2016)

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Alessandro Agnetis, Paolo Detti, Patrick Martineau. Scheduling nonpreemptive jobs on parallel machines subject to exponential unrecoverable interruptions. Computers and Operations Research, 2017, 79, pp.109 - 118. ⟨10.1016/j.cor.2016.10.013⟩. ⟨hal-01394900⟩
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