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Transfer-robot task scheduling in job shop

机译:在作业中转移 - 机器人任务安排

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摘要

This paper studies a simultaneous scheduling of production and material transfer in a job shop environment. The simultaneous scheduling approach has been recently adopted by warehouse operations, wherein transbots pick up jobs and deliver to pick-machines for processing that requires a simultaneous scheduling of jobs, transbots, and machines. However, both a large proportion of literature and real-world scheduling systems consider only one side of the problem. In our study, machines and transbot are both considered as constraining resources. The contributions of this paper are twofold. First, we propose a novel application of constraint programming for the job shop scheduling problem (JSP) with transbots, significantly outperforming all other benchmark approaches in the literature and proving optimality of the well-known benchmark instances, for the first time. Second, we propose a medium-scale benchmark instance.
机译:本文研究了在工作店环境中同时调度生产和材料转移。最近仓库操作最近采用了同时调度方法,其中跨划线拾取工作并提供给拣货机,以便处理工作,跨划线和机器的同时调度。然而,大部分的文献和现实世界调度系统只考虑问题的一方。在我们的研究中,机器和跨界都被认为是限制资源。本文的贡献是双重的。首先,我们提出了对作业商店调度问题(JSP)的约束规划的新颖应用,并且首次显着优于文献中的所有其他基准方法以及证明了众所周知的基准实例的最优性。其次,我们提出了中型基准实例。

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