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Solving a Bi-Criteria Permutation Flow Shop Problem Using Immune Algorithm

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3 Author(s)
Tavakkoli-Moghaddam, R. ; Dept. of Ind. Eng., Tehran Univ. ; Rahimi-Vahed, A.-R. ; Mirzaei, A.H.

A flow shop problem as a typical manufacturing challenge has gained wide attention in academic fields. In this paper, we consider a bi-criteria permutation flow shop scheduling problem, in which the weighted mean completion time and the weighted mean tardiness are to be minimized simultaneously. Since a flow shop scheduling problem has been proved to be NP-hard in strong sense, an effective multi-objective immune algorithm (MOIA) is proposed for searching locally Pareto-optimal frontier for the given problem. To prove the efficiency of the proposed algorithm, a number of test problems are solved and the efficiency of the proposed algorithm, based on some comparison metrics, is compared with a distinguished multi-objective genetic algorithm, i.e. SPEA-II. The computational results show that the proposed MOIA performs better than the above genetic algorithm, especially for large-sized problems

Published in:

Computational Intelligence in Scheduling, 2007. SCIS '07. IEEE Symposium on

Date of Conference:

1-5 April 2007