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On Minimizing Total Tardiness in a Serial Batching Problem

Published online by Cambridge University Press:  15 August 2002

Philippe Baptiste
Affiliation:
CNRS, UMR 6599 , Université de Technologie de Compiègne, Centre de Recherches de Royallieu, 60205 Compiègne Cedex, France.
Antoine Jouglet
Affiliation:
CNRS, UMR 6599 , Université de Technologie de Compiègne, Centre de Recherches de Royallieu, 60205 Compiègne Cedex, France.
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Abstract

We study the problem of scheduling jobs on a serial batching machineto minimize total tardiness. Jobs of the same batch start and arecompleted simultaneously and the length of a batch equals the sum ofthe processing times of its jobs. When a new batch starts, a constantsetup time s occurs. This problem 1| s-batch| ∑Ti isknown to be NP-Hard in the ordinary sense. In this paper we show thatit is solvable in pseudopolynomial time by dynamic programming.

Type
Research Article
Copyright
© EDP Sciences, 2001

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