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Cost minimisation for downstream outsourcing supply chain under demand uncertainty

机译:需求不确定性下的下游外包供应链成本最小化

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In this paper, we consider a supply chain with one core manufacturer in Europe, one non-core manufacturer and several local retailers of a developing country in Asia to meet the local demand. In the circumstance of the Downstream Outsourcing Supply Chain (DOSC), there are uncertainties in the lead-time demand, and the delivery time is relatively long for European companies, therefore it is hard to match the unexpected and emergent demand in the market of developing countries. This paper first develops a cost model for a multistage DOSC under the demand and lead-time uncertainties, then proposes a scheme to minimise an average cost function, constrained by a given (target) service level. A new formula to measure the demand uncertainty is also proposed. Based on the proposed formula, the simulation method is used to analyse the influences of uncertainty on the optimal order quantity and minimum costs.
机译:在本文中,我们考虑了一个供应链,该供应链由欧洲的一个核心制造商,一个非核心的制造商以及亚洲一个发展中国家的几家本地零售商来满足本地需求。在下游外包供应链(DOSC)的情况下,交货时间需求存在不确定性,并且欧洲公司的交货时间相对较长,因此很难满足发展中市场的意外需求和紧急需求。国家。本文首先在需求和提前期不确定性的情况下,为多阶段DOSC建立成本模型,然后提出一种在给定的(目标)服务水平约束下使平均成本函数最小化的方案。还提出了一种测量需求不确定性的新公式。基于所提出的公式,采用仿真方法分析不确定性对最优订货量和最小成本的影响。

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