Mixed integer formulation to minimize makespan in a flow shop with batch processing machines
Batch processing machines are commonly used in wafer fabrication, kilns, and chambers used for environmental stress screening (ESS). This paper proposes two models to schedule batches of jobs on two machines in a flow shop. A set of jobs with known processing times and sizes has to be grouped, to fo...
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Veröffentlicht in: | Mathematical and computer modelling 2004-12, Vol.40 (13), p.1465-1472 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Batch processing machines are commonly used in wafer fabrication, kilns, and chambers used for environmental stress screening (ESS). This paper proposes two models to schedule batches of jobs on two machines in a flow shop. A set of jobs with known processing times and sizes has to be grouped, to form batches, in order to be processed on the batch processing machines. The jobs are nonidentical in size. The processing time of a batch is the longest processing time of all the jobs in that batch. Mixed integer formulations are proposed for the flow shop problem when the buffer capacity is unlimited or zero. Numerical examples are presented to demonstrate the application of our model. |
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ISSN: | 0895-7177 1872-9479 |
DOI: | 10.1016/j.mcm.2005.01.005 |