Truck dispatching in surface mines - Application of fuzzy linear programming

A. Moradi-Afrapoli, S. Upadhyay, H. Askari-Nasab

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Material handling in surface mines accounts for around 50% of the operational cost. Optimum truck dispatching plays a critical role in the reduction of this operational cost in truck and shovel surface mines. Researchers in this field have presented several mathematical models to solve the truck dispatching problem optimally. However, a critical survey of the literature has shown that three significant drawbacks exist in the available truck dispatching models. The published models underestimate the importance of the interaction between truck fleet, shovel fleet, and the processing plants. They also disregard goals set by strategic-level plans. Moreover, none of the available models account for the uncertainty associated with the input parameters. In this paper we present a new truck dispatching model that covers all of these drawbacks, using a fuzzy linear programming method. The performance of the developed model was evaluated through implementatin in an active surface mining operation. The results show a significant improvement in production and fleet utilization.

Original languageEnglish
Pages (from-to)505-512
Number of pages8
JournalJournal of the Southern African Institute of Mining and Metallurgy
Issue number121
DOIs
StatePublished - 2021

Bibliographical note

Publisher Copyright:
© 2021 South African Institute of Mining and Metallurgy. All rights reserved.

Keywords

  • Fuzzy linear programming
  • Material handling
  • Simulation
  • Surface mining
  • Truck and shovel
  • Truck dispatching problem

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Metals and Alloys
  • Materials Chemistry

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