The need for integration in supply chain management leads us to consider the coordination of two logistic planning functions: transportation and inventory. The coordination of these activities can be an extremely important source of competitive advantage in supply chain management. The battle for cost reduction can involve finding the equilibrium between transportation and inventory management ...

This study deals with the problem of dependence between production and failure rates within the context of multi part-type production system. It gives an answer about how to produce, i.e. the production rates, and what to produce, i.e. the part-type selection, over a finite horizon of H periods of equal length. We consider a single randomly failing and repairable machine that produces a multi p...

In this paper, we consider tactical planning for a class of the multi-period vehicle routing problem (MPVRP). This problem involves optimizing daily product collections from several production locations over a given planning horizon. In this context, a single vehicle routing plan for the whole horizon must be prepared, and the seasonal variations in the producers' supplies must be taken into ac...

With the increasing integration of HVDC tie-lines, regional power systems in both energy-exporting area and energy-importing have been gradually evolving into “strong DC, weak AC” systems. In this paper, a multi-period transmission expansion planning optimization model is proposed for an grid with hybrid AC/DC interface. While existing literature has not considered dynamic security problem TEP,...

This paper introduces a multi-period inspector scheduling problem (MPISP), which is a new variant of the multi-trip vehicle routing problem with time windows (VRPTW). In the MPISP, each inspector is scheduled to perform a route in a given multi-period planning horizon. At the end of each period, each inspector is not required to return to the depot but has to stay at one of the vertices for rec...

We consider a multi-period order selection problem in ̄exible manufacturing systems, which is the problem of selecting orders to be produced in each period during the upcoming planning horizon with the objective of minimising earliness and tardiness costs and subcontracting costs. The earliness and tardiness costs are incurred if an order is not ®nished on time, while subcontracting cost is incu...