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High performance reliability analysis of phased mission systems

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conference contribution
posted on 18.12.2012 by Sean Reed, Sarah Dunnett, J.D. Andrews
Systems often operate over a set of time periods, known as phases, in which their reliability structure varies and many include both repairable and nonrepairable components. Success for such systems is defined as the completion of all phases, known as a phased mission, without failure. An example of such a system is an aircraft landing gear system during a flight. The Binary Decision Diagram (BDD) method provides the most efficient solution to the unreliability of non-repairable systems whilst for repairable systems Markov or other state-space based methods have been most widely applied. For systems containing both repairable and non-repairable components the repairable modelling methods are normally used, despite having far higher computational expense than the non-repairable methods, since only they are able to handle the dependencies involved. This paper introduces improvements to the BDD method for analysing non-repairable systems as well as an entirely new method that utilises a new modelling technique involving both BDD and Markov techniques.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Citation

REED, S., DUNNETT, S.J. and ANDREWS, J.D., 2009. High performance reliability analysis of phased mission systems. IN: Bartlett, L. (ed.). Proceedings of the 18th Advances in Risk and Reliability Technology Symposium (AR2TS), Loughborough, 21-23 April, pp.228-255.

Publisher

Loughborough University Department of Aeronautical & Automotive Engineering & Transport Studies

Version

AM (Accepted Manuscript)

Publication date

2009

Notes

This is a conference paper.

ISBN

9780904947632;0904947637

Language

en

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