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PDF(671 KB)
PDF(671 KB)
随机需求下基于库存责任期的装配系统准时供货模型
On time delivery model with vendor inventory liability period in assembly system with random demand time
以装配系统为研究对象, 考虑在VMI模式下, 当制造商采取设定库存责任期以抵御市场需求时间不确定的风险时, 供应商的最优供货时间决策和制造商最优的库存责任期设置. 文章分别建立了单供应商对单制造商和多供应商对单制造商的主从博弈准时供货模型, 通过数学证明和遍历算法找到了供应链双方在不同模式下的最优选择. 研究结果证明制造商并 不应该选择过长的库存责任期, 而供应商之间的不同步供货会对供应链整体造成巨大损失. 并且通过对比集中与分散决策下的供应链绩效, 给出实现系统协同的必要条件. 最后通过算例分析进一步证明相关结论.
Under VMI policy, manufacturer can use vendor inventory liability period to mitigate the risk caused by an uncertain demand time. This paper investigates the suppliers' optimal delivery times and manufacturer's vendor inventory liability period respectively in a decentralized assembly system setting. Building a basic model with a single supplier and an extend model consisted by multi-suppliers, the optimal choices for both parties have been figured out by both mathematical justification and sequential procedure. The results show that it is not wise for manufacturer to set a too long liability period, and the unsynchronized deliveries among suppliers can heavily hurt supply chain performance. Additionally, we provide the coordination mechanism and numerical example.
装配系统 / 库存责任期 / 准时供货 / 供应链协同 {{custom_keyword}} /
assembly system / inventory liability period / on-time delivery / coordination {{custom_keyword}} /
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国家自然科学基金重点项目(71231007);国家自然科学基金(71072035,71071050)
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