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首页> 外文期刊>Bulletin of the Polish Academy of Sciences. Technical Sciences >Sliding mode control of periodic review perishable inventories with multiple suppliers and transportation losses
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Sliding mode control of periodic review perishable inventories with multiple suppliers and transportation losses

机译:具有多个供应商和运输损失的定期审查易腐库存的滑模控制

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摘要

The purpose of this paper is to develop robust and computationally efficient supply chain management strategy ensuring fast reaction to the demand variations for periodic review perishable inventory systems. For that purpose, we apply a sliding mode approach and we propose a new discrete time warehouse management strategy. The strategy employs the sliding hyperplane appropriately designed to ensure a dead-beat performance of the closed loop system. Our strategy not only explicitly takes into account decay of goods stored in the warehouse (perishing inventories) but it also accounts for transportation losses which take place on the way from suppliers to the warehouse. The proposed strategy ensures full customers’ demand satisfaction, minimizes the on-hand inventory volume and prevents from exceeding the warehouse capacity. This reflects the need of simultaneous minimization of the lost sales costs and inventory holding costs. Furthermore, the strategy ensures that the ordered quantities of goods are always non-negative and upper bounded. These favourable properties of the proposed strategy are formally stated as a lemma and three theorems and proved in the paper.
机译:本文的目的是开发健壮且计算效率高的供应链管理策略,以确保对定期审查易腐库存系统的需求变化做出快速反应。为此,我们采用滑模方式,并提出了一种新的离散时间仓库管理策略。该策略采用适当设计的滑动超平面,以确保闭环系统的无差拍性能。我们的策略不仅明确考虑了存储在仓库中的货物的腐烂(库存下降),而且还考虑了从供应商到仓库的运输损失。建议的策略可确保完全满足客户的需求,最大程度地减少现有库存量,并防止超出仓库容量。这反映了同时减少损失的销售成本和库存持有成本的需要。此外,该策略可确保订购的商品始终为非负数且上限。本文提出的策略的这些有利特性被正式表示为引理和三个定理,并在本文中得到了证明。

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