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Simulation-based system dynamics optimization modelling of supply chain working capital management under lead time uncertainty

机译：提前期不确定的基于仿真的供应链营运资金管理系统动力学优化建模

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Working capital management (WCM) seeks to improve the efficiency of a firm's operation through managing its inventory, accounts receivable, and accounts payable. Supply chain networks composed of various entities, e.g. supplier, manufacturer, which coordinate in order to deliver the finished product to the customer at the right time. The average days that it takes for a company to convert a dollar invested in raw material into a dollar collected from customer is defined as cash conversion cycle (CCC). A low CCC implies that the company has lower financial cost to fund its business operation. It goes without saying that, all firms are willing to decrease their financial cost through diminishing CCC, however minimization of the CCC for the supply chain echelons are in conflict, as one firm's payable period is another firm's receivable period. In this paper, a simulation- based optimization (SBO) model is developed to make trade-offs between conflicting cash conversion cycle minimizations for supply chain members through finding optimal values to the financial and inventory decisions parameters. The results indicated that CCC of the supply chain entities can be decreased significantly by employing optimal values of inventory and financial decisions parameters.
机译：营运资本管理（WCM）寻求通过管理公司的库存，应收帐款和应付帐款来提高公司运营效率。由各种实体组成的供应链网络，例如供应商，制造商，他们进行协调，以便在正确的时间将成品交付给客户。公司将投资在原材料上的一美元转换为向客户收取的一美元所需的平均天数定义为现金转换周期（CCC）。低的CCC意味着该公司具有较低的财务成本来为其业务运营提供资金。毋庸置疑，所有公司都愿意通过减少CCC来降低财务成本，但是将供应链梯队的CCC最小化是有冲突的，因为一家公司的应付款期是另一家公司的应收期。本文中，开发了一种基于仿真的优化（SBO）模型，以通过寻找财务和库存决策参数的最佳值来在供应链成员的现金转换周期最小化之间进行权衡。结果表明，通过采用库存和财务决策参数的最佳值，可以显着降低供应链实体的CCC。

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