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Scheduling on parallel machines with preemption and transportation delays

Abstract : This paper deals with an identical parallel machines scheduling problem, where independent jobs can be preempted and transported from one machine to another. The transportation of a preempted job requires a time called the transportation delay. The goal is to find a solution that minimizes the total completion time (makespan). We first study the case of equal-size jobs where new complexity results are given. Then, to solve the problem with two identical machines, we present a dynamic programming algorithm and a fully polynomial time approximation scheme (FPTAS). Experimental results show the efficiency of the FPTAS compared to a previously published heuristic.
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Submitted on : Tuesday, June 10, 2014 - 5:19:43 PM
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Amina Haned, Ameur Soukhal, Mohand Boudhar, Nguyen Huynh Tuong. Scheduling on parallel machines with preemption and transportation delays. Computers and Operations Research, Elsevier, 2012, 39 (2), pp.374-381. ⟨10.1016/j.cor.2011.04.013⟩. ⟨hal-01003832⟩



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