Simulation workbench for analysing multi‐echelon supply chains

W. K. Ng, R. Piplani, S. Viswanathan
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引用次数: 25

Abstract

End‐user demand information suffers from delay and distortion as it moves upstream in a supply chain. Co‐ordination between organisations in the supply chain, through sharing of demand information, is a possible solution to counter this distortion. Modelling and analysing supply chains, however, is not an easy task, as the supply chains contain multiple echelons and are faced with uncertain demand and lead‐times. For multi‐echelon supply chains adopting different inventory and forecasting policies at the echelon level, simulation is the most appropriate analysis tool. In this paper, we describe the development of a simulation workbench for modelling and analysing multi‐echelon supply chains. The workbench facilitates study of inventory and forecasting policies practised by the echelons, and models different information exchange mechanisms adopted by them. An experiment conducted, to test the workbench and demonstrate its capabilities, confirms that the workbench is a useful tool for gaining valuable insights into information exchange in a particular supply chain.
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多级供应链分析仿真工作台
终端用户需求信息在供应链的上游移动过程中会受到延迟和扭曲的影响。通过共享需求信息,供应链中各组织之间的协调是应对这种扭曲的可能解决方案。然而,建模和分析供应链并不是一件容易的事情,因为供应链包含多个梯队,并且面临着不确定的需求和交货时间。对于采用不同层次库存和预测政策的多级供应链,仿真是最合适的分析工具。在本文中,我们描述了用于建模和分析多级供应链的仿真工作台的开发。工作台便于研究梯队实施的库存和预测政策,并对梯队采用的不同信息交换机制进行建模。为测试工作台并演示其功能而进行的实验证实,工作台是一个有用的工具,可以获得对特定供应链中的信息交换的有价值的见解。
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