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Modelling and improvement of supply chain with imprecise transportation delays and resilience factors

机译:具有不精确运输延迟和弹性因素的供应链建模和改进

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摘要

A three-echelon supply chain (SC) has been considered in which the disruption may occur in a transportation system. An optimised policy in bringing resilient factors into account is developed. The factors of resilience are visibility, velocity, redundancy and flexibility. First, an SC is designed and simulated. The simulation is carried out for different scenarios which are a combination of different policies. Several outputs including average time in system, utility of resources, number of breakdowns, and total cost are computed. Then, fuzzy data envelopment analysis is used to identify the preferred scenario. The proposed policy of this study would help managers to identify the preferred strategy. This is the first study that introduces the best policy in bringing the resilient factors into an SC transportation system with fuzzy parameters. The results show the important role of visibility and redundancy among the factors of resilience.
机译:已经考虑了三级供应链(SC),其中运输系统中可能发生中断。制定了将弹性因素考虑在内的优化策略。弹性的因素是可见性,速度,冗余性和灵活性。首先,设计并仿真了SC。针对结合了不同策略的不同场景进行了模拟。计算了几个输出,包括系统中的平均时间,资源的利用率,故障数和总成本。然后,使用模糊数据包络分析来确定首选方案。这项研究的拟议政策将有助于管理人员确定首选策略。这是第一项引入最佳策略的研究,该策略将弹性因子引入具有模糊参数的SC运输系统中。结果显示了可见性和冗余在弹性因素之间的重要作用。

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