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Optimizing internal logistic flows in hospitals by dynamic pick-up and delivery models

机译:通过动态接送模型优化医院内部物流流程

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摘要

In the present contribution, the application of a dynamic pick-up and delivery model for hospital internal logistics is investigated. Two scheduling policies are developed: the first applies a cheapest insertion heuristic targeting optimization of the problem's objective function, while the second employs local search to improve the current schedule. A computational study is presented in which the two policies are applied on a range of generated problem instances that have been made available to the research community. The benefit of the two policies is demonstrated by comparing them with a common and intuitive earliest first, by due date policy. Secondly, the benefit of allowing to combine transports is also investigated, and it is shown that this may lead to further increased performance.
机译:在目前的贡献中,研究了动态取货和交付模型在医院内部物流中的应用。开发了两种调度策略:第一种应用最便宜的插入启发式目标优化问题的目标函数,第二种使用本地搜索来改善当前的调度。提出了一项计算研究,其中将这两种策略应用于已提供给研究社区的一系列生成的问题实例。通过将它们与到期日最早的一个常见且直观的方法进行比较,可以证明这两个策略的好处。其次,还研究了允许组合传输的好处,并且表明这可能导致性能进一步提高。

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