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The no-wait job shop problem that exists with makespan minimization is well known to be a strongly NP-hard problem. In this paper, the properties of the problem are analyzed according to its characteristics. The problem is remodeled based on the introduced time difference. A traditional framework is adopted by decomposing the problem into two subproblems: the sequencing and the timetabling problems...
In the paper, the no-wait job shop problem with makespan minimization is considered, which is decomposed into the sequencing problem and the timetabling problem. Based on the non-delay timetabling procedure and the inverse timetabling procedure, an enhanced timetabling procedure is constructed by shifting jobs leftwards or rightwards to obtain better timetables. The two sub-problems are solved independently...
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