首页> 外文会议>Italian Conference on Chemical and Process Engineering(ICheaP-6) vol.2; 20030608-11; Pisa(IT) >Periodic Scheduling of an Industrial Batch System using a RTN Continuous-time Formulation
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Periodic Scheduling of an Industrial Batch System using a RTN Continuous-time Formulation

机译:使用RTN连续时间公式的工业批处理系统的定期计划

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This paper addresses the optimal periodic scheduling of a resource constrained, four batch digester plant. Focus is set on the different alternatives that exist to model the sharing of the limiting resource (steam) among the digesters and their influence on the computational performance of the developed continuous-time, Resource Task Network based mathematical formulation. Three possibilities were considered, with the one that considers exclusively fixed duration tasks and treats steam as a discrete resource showing the best computational performance. This decreases significantly, first when the steam resource is made continuous and then when considering variable duration tasks. These results suggest that is preferable to represent a process by using simple tasks instead of complex ones, even if a larger number of tasks is required.
机译:本文介绍了资源受限的四批消化池工厂的最佳定期调度。重点放在存在的不同替代方案上,这些替代方案用于模拟消化池中有限资源(蒸汽)的共享及其对已开发的基于资源任务网络的连续时间数学公式的计算性能的影响。考虑了三种可能性,其中一种可能性专门考虑固定工期的任务,并将蒸汽视为显示最佳计算性能的离散资源。首先,当使蒸汽资源连续时,然后在考虑可变工时任务时,这种情况会大大降低。这些结果表明,即使需要大量任务,也最好使用简单任务而不是复杂任务来表示流程。

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