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Reverse bullwhip effect: duality of a dynamic model of Supply Chain

机译:反向牛鞭效应:供应链动态模型的二元性

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This study aims to investigate control strategies for the bullwhip effect based on a dynamic model of the linear supply chain, proposed by Helbing and Lammer (2005), which describes the inventory dynamics and production rates of productive units. We simulated the model for instability and stability conditions defined by mathematical analysis. Through these results, we verified both classical and reverse bullwhip effects associated with instability and stability conditions, respectively. The model revealed a duality once the control strategy proposed by Helbing and Lamer (2005) for the classical bullwhip effect ends up causing a reverse effect, which is equally troubling. In the reverse bullwhip effect, we observed amplification of the production rates in the network chains from the supplier to the customer in a way that the upstream chain was not able to meet the needs of the downstream chain. To withhold both effects, we suggest the dynamic control of the parameters that describe the network based on Helbing and Lammer (2005) model.
机译:本研究旨在根据线性供应链的动态模型来调查牛鞭效应的控制策略,由掌舵和垃圾(2005)提出,这描述了生产单位的库存动态和生产率。我们模拟了数学分析定义的不稳定性和稳定性条件的模型。通过这些结果,我们验证了与不稳定性和稳定性条件相关的经典和反向牛鞭效应。该模型揭示了一旦通过Helbing和Lamer(2005)提出的控制策略,古典牛鞭效应的控制策略最终导致逆转效果,这同样令人不安。在反向牛鞭效应中,我们观察到从供应商到客户的扩大到客户,以便上游链无法满足下游链的需求。为了隐瞒两个效果,我们建议基于掌舵和垃圾(2005)模型的网络的动态控制。

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