The extended EOQ repair and waste disposal model

Article Abstract:

The operations of a shop that manufactures or repairs a certain product used by a second shop were characterized by an economic order quantity (EOQ) model. The The EOQ for both new products and repairable items must be derived for the first shop to satisfy the second shop's constant demand, To this end, it is modeled as the sum of two cost functions, namely, a cost function based on lot size, repair setup number, production setup number and waste disposal rate, and a non-EOQ-related cost function based on linear repair, production and waste disposal cost.

Economic lot size

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Product remanufacturing and disposal: a numerical comparison of alternative control strategies

Article Abstract:

Three procurement and inventory control policies for a single-echelon, single-item production and inventory system amenable to returns, remanufacturing and disposal of the product were compared via an exact analysis of their total expected costs. The evaluation was carried out in terms of remanufacturing capacity, inventory level at procurement, inventory level at disposal of returned items and procurement order quantity.

Markov processes, Production planning

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An (s,Q) inventory model with remanufacturing and disposal

Article Abstract:

An (s,Q) model is used to study the effects of remanufacturing on the inventory control of a single product. Two approximations for average costs are derived and compared with those obtained by Muckstadt and Isaac. It is shown that disposal is a significant alternative to prevent the rise in inventory levels due to variable return streams. However, the inclusion of disposal has complicated the model.

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