Scheduling Models in Supply Chain

Keywords Supply chain Scheduling Mathematical models Optimization 

Pirim et al.. Supply Chain Management and Optimization in Manufacturing, SpringerBriefs in Manufacturing and Surface Engineering, 

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The book starts with an Introduction and the second chapter deals with Supply Chain Management. This chapter discusses key decisions in supply chain management and considers planning operations for it. The third chapter introduces Scheduling Models in Supply Chain. The last chapter is Optimization in Supply Chain. Optimization problems and models reviewed are classified under transportation and facility location. 

The models have different modehng approaches. One approach deals with independent models at each stage hnked with the objective function and/or delivery requirement. The other is the integrated approach in which the whole chain is considered as a single production unit. Both approaches use traditional scheduling models as a base for modeling in supply chains. 

A model for a more general supply chain structure and requirement will be introduced to illustrate medium range integrated planning and scheduling in supply chains. The model is adopted from Kreipl and Pinedo [5]. 

Petroleum refining is a central and crucial link in the oil supply chain and has received extensive attention over the last decades. However, despite all the progress that has been made in developing planning and scheduling models, a general... 

The core component of the oil supply chain is the refinery, where the received oil batches are managed to feed the crude distillation units in proportions that give origin to the desired cuts and products. However, the oil supply and the oil products distribution have to answer in agreement to their predicted demands. For this reason, fliere is the need to build decision support tools to manage inventory distribution. This work focuses on the development of a MILP model that describes the oil products distribution through a pipeline that connects one refinery to one tank farm. In order to supply die local market, the model represents the interaction between the pipeline schedule and the internal restrictions at the tank farm. Real world data from CLC (a Portuguese company) validate the model formulation. 

The model presented above can be extended for integrated scheduling in multiple production units in a supply chain with minor modifications to accommodate differences in objectives, priorities and conditions between independent units. 

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