Abstract

In this paper we model the operation of a mining stockyard by an \erk queue. We describe the stockpile configuration of the stockyard by a set of discrete parameters, taking values in the set of positive integers, which define the queueing system. Our goal is to optimise both the throughput and a penalised throughput of this queueing system, by selecting the optimal number and size of the stockpiles within the stockyard. This is accomplished by the development of several tools, including a local search algorithm that exploits the specific nature and constraints of the system.

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