System Reliability Investigation of Draglines Using Fault Tree Analysis

  • Nuray Demirel
  • Onur Gölbaşi
  • Şebnem Düzgün
  • Sevtap Kestel

Abstract

Functionality and reliability of a system can be investigated by fault tree analysis (FTA) which is a structured and deductive procedure frequently exploited in complex systems. This analysis technique is related to Boolean algebra and probability theory in capable of qualifying and quantifying the system failure behavior by utilizing basic symbols and probabilistic relations. In this manner, internal and external causes of failures which come out in the working elements of draglines and their occurrence probabilities can be also analyzed by FTA. This research study examines and evaluates the connections between prior and superior failures in dragline components which eventuate in different sub-systems of dragline and their contributions to overall system reliability using FTA. The study utilizes real-time failure data of two different draglines gathered by the technical staff in a coal mine site owned by Turkish Coal Enterprise (TKİ).

Keywords

Dragline system reliability fault tree analysis 

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References

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    Townson, P.G., Murthy, D.N., Gurgenci, H.: Optimization of Dragline Load. In: Blischke, E.W., Murthy, D.N. (eds.) Case Studies in Reliability and Maintenance, pp. s. 517–s. 544. John Wiley & Sons Inc. (2003)Google Scholar
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    Bertsche, B.: Reliability in Automotive and Mechanical Engineering. Springer, Heidelberg (2008)Google Scholar

Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Nuray Demirel
    • 1
  • Onur Gölbaşi
    • 1
  • Şebnem Düzgün
    • 1
  • Sevtap Kestel
    • 2
  1. 1.Mining Engineering DepartmentMiddle East Technical UniversityAnkaraTurkey
  2. 2.Institute of Applied MathematicsMiddle East Technical UniversityAnkaraTurkey

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