Control of inventory in production and operation systems is very important for better management and utilization of resources. In this paper, the optimal control of a periodic-review inventory system with items deterioration is considered. We are concerned with the problem of determining the production rate that minimizes a certain cost function. We deal with both cases where the deterioration ...

this paper develops a mathematical model using differential equations and considers a bullwhip effect in a supply chain network with multiple retailers and distributors. to ensure the stability of the entire system and reduce the bullwhip effect, a robust control method and an inventory replenishment policy are proposed. this shows that the choice of the output matrix may reduce the bullwhip ef...

In the business world, it is generally observed that supplier gives cash discount due to advance payment. The buyer may either pay off total purchase cost or a fraction of before receiving products. If makes full payment then he receives instantly. pays cost, (s)he while paying remaining amount at time lot. Moreover, in most inventory models, assumed delivered lot contains only perfect items. B...