New heuristics for flow shop problem to minimize makespan |
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Authors: | D Bai L Tang |
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Institution: | 1.Northeastern University,Shenyang,P.R. China |
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Abstract: | This paper investigates the flow shop problem with the objective to minimizemakespan. New algorithms are designed: one is off-line heuristic, Single JobFirst, for problemF m ∥C max ;and the other is on-line heuristic, Dynamic Single Job First (DSJF), for problemF m |r i |C max and its on-line version. It is proved that the two heuristics are asymptoticallyoptimal when the size of the problem is large enough. In addition, theasymptotical optimality of First-Come, First-Served manner is obtained as abyproduct of the asymptotical analysis of DSJF heuristic. At the end of thepaper, a new lower bound with performance guarantee is provided for problemF m ∥C max , andcomputational experiments show the effectiveness of these heuristicalgorithms. |
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