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A spare part supply system for repairable spares in a repair shop is modeled as a set of heterogeneous parallel servers that have the ability to repair only certain types of repairables. The proposed model minimizes the total cost of holding inventory for spare parts, cost for backorder arising from downtime of the system due to the lack of spare parts and the cost of crosstraining for servers. Simulation-based...
In this paper, we deal with the set covering problem, which consists in finding the minimum number of service centres providing specialized services within a reasonable distance given by a threshold. However, we consider not only the threshold, but also weights of service centres so that the most important ones would not be omitted from the final solution. Since even the basic task without weights...
A novel unit maintenance scheduling (UMS) problem formulation for a generation producer is presented, to maximise its benefit while thoroughly considering the risk associated with unexpected unit failures. First, the unit failure is characterised by a more practical bathtub-shaped failure behaviour from the modified superposed power law process. Its parameters are estimated from the historical data...
An important means for companies to differentiate themselves, as well as increase profitability, in highly competitive environments is through the use of service management, i.e., those activities and interactions which follow a product??s sale. As a result, many companies design the network for after sale services, providing customer support through training; product warranties; maintenance and repair;...
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