Component Level Replacements: Estimating Remaining Useful Life

Part of the Decision Engineering book series (DECENGIN)


Condition based maintenance modelling can be used to maximise the availability of key operational components that are subject to condition monitoring processes, such as vibration or oil based monitoring and thermography. This chapter addresses the operational need for a component replacement decision analysis problem utilising available condition monitoring data and incorporating various prognostic modelling options for the estimation of remaining useful life which is essential in a prognostics model. Guidelines are presented in the chapter which enable the selection of an appropriate prognostic model for a given application based on the characteristics of the scenario and the availability of historical data to train the model. Consideration is then given to scenarios where historical data are scarce or unavailable and new modelling developments are presented to cater for this contingency. The objective of the modeling process is to maximise availability whilst avoiding the occurrence of costly component failures. The developed model has been programmed into a prototype software package for facilitating the implementation of the methodology.


Failure Mode Condition Monitoring Failure Time Residual Life Failure Zone 


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© Springer-Verlag London Limited  2011

Authors and Affiliations

  1. 1.Salford Business SchoolUniversity of SalfordSalfordUK
  2. 2.School of Economics and ManagementUniversity of Science and TechnologyBeijingChina
  3. 3.School of MedicineThe University of ManchesterManchesterUK

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