Equipment selection with heterogeneous fleets for multiple-period schedules

C Burt (), L Caccetta, P Welgama and L Fouché
Additional contact information
C Burt: University of Melbourne
L Caccetta: Curtin University of Technology
P Welgama: Rio Tinto Technology and Innovation
L Fouché: Rio Tinto Technology and Innovation

Journal of the Operational Research Society, 2011, vol. 62, issue 8, 1498-1509

Abstract: Abstract In a simple surface mining scenario we consider a mine to have one mining location and dumpsite connected by a truck route. We determine a purchase and salvage policy for trucks and loaders, which minimises the cost of materials handling over a multiple period schedule. This problem becomes large scale when we consider large sets of equipment and long schedules. Pre-existing equipment can lead to heterogeneous fleets; non-uniformity in the operating cost function coupled with compatibility issues also adds to the complexity of the problem. We present an integer programme for this problem, where we introduce a specialised linear constraint set to ensure satisfaction of production requirements while accounting for equipment compatibility. Many aspects of the presented model, such as the consideration of multiple periods and pre-existing equipment, are novel for the mining industry and ensure that the model is both a new and advanced equipment selection tool.

Keywords: OR in natural resources; integer programming; surface mining; equipment selection (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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DOI: 10.1057/jors.2010.107

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