An Overview on Degradation Modelling for Service Cost Estimation

  • Pedro Fernandes
  • Rajkumar Roy
  • Jörn Mehnen
  • Andrew Harrison
Conference paper


The problem of component degradation in aero-engines has become a matter of great interest in the context of Life Cycle Cost (LCC) for Original Equipment Manufacturers (OEMs). On root causes of cost incurred in the operational phase is the uncertainty around component degradation, leading to service support inefficiencies such as under or over capacity in the maintenance network. Different life prediction approaches are available; each has varying applicability to different degradation mechanisms, data quality and availability. This paper considers the necessity of degradation modelling capability for aero-engines LCC and reviews the different approaches found in literature and their underlying concepts.


Life Cycle Cost Estimation Component Degradation 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Pedro Fernandes
    • 1
  • Rajkumar Roy
    • 1
  • Jörn Mehnen
    • 1
  • Andrew Harrison
    • 2
  1. 1.School of Applied SciencesCranfield UniversityCranfieldUK
  2. 2.Rolls-Royce PlcDerbyUK

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