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Perishable inventory models with restrictions
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AI
DOI：10.1080/15326349.2026.2656275.png)
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Abstract
En 中文
We extend the basic perishable inventory model with random input stream by adding two realistic new features. In the basic model the items enter the inventory at Poisson times, the demand arrival times are Poisson as well, and each item has a finite deterministic lifespan in the inventory. The new features considered here are (1) batch demands of random size, and (2) finite storage space in the inventory. In Model 1 demands are only accepted if they can be fully satisfied, in Model 2, if a fresh item arrives at a full system it replaces the oldest item present. In both models we analytically determine the steady-state, long-run behavior and the important performance measures in closed form.
Keywords:
Perishable inventory system
batch demand
finite storage space
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