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A branch and bound algorithm for the two-machine flowshopproblem with unit-time operations and time delays

Published online by Cambridge University Press:  07 March 2014

Aziz Moukrim ,
Djamal Rebaine  and
Mehdi Serairi
Aziz Moukrim
Affiliation:
Universitéde Technologie de Compiègne, Heudiasyc, CNRS UMR 7253 Rue Roger Couttolenc CS 60319 60203 Compiègne Cedex, France.. [email protected]; [email protected]
Djamal Rebaine
Affiliation:
Département d’Informatique et Mathématique, Université du Québec à Chicoutimi, Saguenay, Canada G7H 2B1.; [email protected]
Mehdi Serairi
Affiliation:
Universitéde Technologie de Compiègne, Heudiasyc, CNRS UMR 7253 Rue Roger Couttolenc CS 60319 60203 Compiègne Cedex, France.. [email protected]; [email protected]
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Abstract

In this paper we consider the problem of scheduling, on a two-machine flowshop, a set ofunit-time operations subject to time delays with respect to the makespan. This problem isknown to be \hbox{${\cal NP}$}𝒩𝒫-hard in the strong sense. We propose an algorithm basedon a branch and bound enumeration scheme. This algorithm includes the implementation ofnew lower and upper bound procedures, and dominance rules. A computer simulation tomeasure the performance of the algorithm is provided for a wide range of testproblems.

Keywords

Branch and bounddominance ruleflowshoplower and upper boundstime delays
Type
Research Article
Information
RAIRO - Operations Research , Volume 48 , Issue 2: Isco 2012, guest editors Nelson Maculan, A. Ridha Mahjoub, Eduardo Uchoa , April 2014 , pp. 235 - 254
Copyright
© EDP Sciences, ROADEF, SMAI, 2014

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