A non-permutation flowshop scheduling problem with lot streaming: A mathematical model
- Rossit, Daniel Alejandro
- Tohmé, Fernando Abel
- Frutos, Mariano
- Bard, Jonathan
- Broz, Diego Ricardo
DOIAbstract
In this paper we investigate the use of lot streaming in non-permutation flowshop scheduling problems. The objective is to minimize the makespan subject to the standard flowshop constraints, but where it is now permitted to reorder jobs between machines. In addition, the jobs can be divided into manageable sublots, a strategy known as lot streaming. Computational experiments show that lot streaming reduces the makespan up to 43% for a wide range of instances when compared to the case in which no job splitting is applied. The benefits grow as the number of stages in the production process increases but reach a limit. Beyond a certain point, the division of jobs into additional sublots does not improve the solution.Fil: Rossit, Daniel Alejand...
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