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Operating Environment-Based Availability Importance Measures for Mining Equipment (Case Study: Sungun Copper Mine)
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology, .
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology, .
Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology, .
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Number of Authors: 4
2016 (English)In: Journal of Failure Analysis and Prevention, ISSN 1547-7029, E-ISSN 1864-1245Article in journal (Refereed) Epub ahead of print
Abstract [en]

When a system’s performance is inadequate, the concept of availability importance can be used to improve it. The availability of an item depends on the combined aspects of its reliability and maintainability. In a system consisting of many subsystems, the availability of some subsystems is more important to system performance than others. The availability measure determines the priority of availability across subsystems. Most researchers only consider operation time and ignore the influence of the operating environment; therefore, their estimations are not accurate enough. In contrast to previous research, we focus on the influence of the operating environment on the system/subsystem’s characteristics with a view to prioritizing them based on the importance of availability. The paper considers part of the mining fleet system of Sungun copper mine, including the wagon drill, loader, bulldozer, and dump truck subsystems. We identify an ordered list of possibilities for availability improvement and suggest changes or remedial actions for each item to either reduce its failure rate or reduce the time required to repair it.

Place, publisher, year, edition, pages
2016.
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-60725DOI: 10.1007/s11668-016-0205-zOAI: oai:DiVA.org:ltu-60725DiVA: diva2:1050125
Available from: 2016-11-28 Created: 2016-11-28 Last updated: 2016-11-28

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Ghodrati, Behzad
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