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Inventory Models for Fresh Agriculture Products with Time-Varying Deterioration Rate

机译：新鲜农业产品的库存模型，时变劣化率

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This paper presents inventory models for fresh agriculture products with time-varying deterioration rate. Due to the particularity of fresh agriculture products, the demand rate is a function that depends on sale price and freshness. The deterioration rate increases with time and is assumed to be a time-varying function. In the models, the inventory cycle may be constant or variable. The optimal solutions of models are discussed for different freshness and the deteriora- tion rate. The results of experiments show that the profit depends on the freshness and deterioration rate of products. With the increasing inventory cycle, the sale price and profit increase at first and then start decreasing. Furthermore, when the inventory cycle is variable, the total profit is a binary function of the sale price and inventory cycle. There exist unique sale price and inventory cycle such that the profit is optimal. The results also show that the optimal sale price and inventory cycle depend on the freshness and the deterioration rate of fresh agriculture products.
机译：本文为新鲜农业产品的库存模型具有时变劣化率。由于新鲜农业产品的特殊性，需求率是取决于销售价格和新鲜度的函数。劣化速率随时间增加并且被认为是一个时变函数。在模型中，库存周期可以是恒定的或可变的。讨论模型的最佳解决方案以进行不同的新鲜度和差异。实验结果表明，利润取决于产品的新鲜度和恶化率。随着库存周期的增加，起初销售价格和利润增加，然后开始减少。此外，当库存周期变化时，总利润是销售价格和库存周期的二进制功能。存在独特的销售价格和库存周期，以便利润是最佳的。结果还表明，最佳销售价格和库存周期取决于新鲜农业产品的新鲜度和恶化率。

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