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Optimal replenishment schedule considering time value for logistic demand

机译：考虑时间值的最佳补充时间表

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In recent years, due to the rapid advancement of technologies, more and more innovative products and skid products are introduced to the markets. As the life cycles of such products are shorter than those of durable goods, the effectiveness of their inventory management is therefore more critical to their competitiveness. Traditional inventory planning models and techniques mostly deal with products with long product life cycle. The assumption on the demand pattern and subsequent solution approaches are generally not suitable for dealing with products with short product life cycle. It is observed that in consequence of the imitation effect, the number of buyers is influenced by each other; the dynamic of the demand can thus be modelled with the logistic substitution model typically used for modelling imitation effects. In this research, one-inventory replenishment problems based on the logistic demand model are formulated and solved to facilitate the management of products with short product life cycle. The volatile of the financial market in recent years demands us to have a more accurate characterization of the cost based on its time-adjusted value. An inventory model allowing shortages and shortages followed by inventory replenishment policy is established for the logistic substitution model with consideration of both time-value of money and inflation. An extended Wagner-Whitin approach is used to determine the replenishment cycle, schedules and lot-sizes. A sensitivity analysis is performed to compare the policies with and without shortages.
机译：近年来，由于技术的快速进步，越来越多的创新产品和滑雪产品被引入市场。由于这种产品的生命周期比耐用品短，因此库存管理的有效性对其竞争力更为重要。传统的库存规划模型和技术主要处理具有长产品生命周期的产品。对需求模式和随后的解决方案方法的假设通常不适合处理具有短产品生命周期的产品。观察到，由于模仿效果，买家的数量受到彼此的影响;因此，需求的动态可以用通常用于建模仿效应的逻辑替代模型进行建模。在本研究中，制定并解决了基于物流需求模型的一对库存补充问题，以促进产品生命周期短的产品。近年来金融市场的不稳定要求我们基于其时间调整价值更准确地表征成本。利用金钱和通货膨胀的时间价值，为物流替代模型建立了允许短缺和短缺之后的库存模型。扩展的Wagner-unin方法用于确定补货周期，时间表和批量。执行灵敏度分析以比较与缺点的策略。

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