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首页> 外文期刊>International Journal of Production Research >Revising the master production schedule in sequence dependent processes
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Revising the master production schedule in sequence dependent processes

机译：修改顺序相关流程中的主生产计划

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Revising the master production schedule (MPS) in a rolling planning horizon environment to improve plant performance is critical in process industries with sequence dependent changeovers. Plant performance is defined in terms of process changeover time, total shortages, and finished goods inventory. Two heuristics for revising the MPS are introduced and tested against a rolling horizon MPS that does not take sequence dependent changeovers into consideration. These two heuristics represent two different approaches to heuristic design: local interchange (SWAP) and global interchange (3OPT). Simulation experiments are reported that test the performance of the two different approaches to revising the MPS in process industries with sequence dependent changeovers. The MPS designs were tested under plant conditions that are frequently encountered in process industries. The results indicate that revising the MPS in process industries significantly improves plant performance. In addition, 3OPT provides a major improvement in changeover time, while SWAP provides improvement in total shortages.
机译：在滚动计划范围内修改主生产计划（MPS）以提高工厂绩效对于具有顺序依赖性转换的过程工业至关重要。根据过程转换时间，总短缺量和成品库存来定义工厂绩效。引入了两种修改MPS的启发式方法，并针对滚动MPS进行了测试，该MPS不考虑与序列相关的转换。这两种启发式方法代表了两种不同的启发式设计方法：局部互换（SWAP）和全局互换（3OPT）。据报道，仿真实验通过序列相关的转换测试了两种不同方法在过程工业中修改MPS的性能。 MPS设计是在过程工业中经常遇到的工厂条件下进行测试的。结果表明，修订过程工业中的MPS可以显着改善工厂绩效。此外，3OPT显着改善了转换时间，而SWAP则改善了总体短缺状况。

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