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Operational reliability calculations for critical systems

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posted on 2008-04-29, 14:13 authored by Roger Goodall, Roger Dixon, Vincent Dwyer
Reliability theory deals with the effect of mean time to repair upon overall system failure rates, but for critical systems such calculations are not what is required because an important performance criterion relates to operational failures, which are fundamentally different to unsafe failures: essentially they are the result of the system-level response to avoid unsafe failures. This paper introduces the particular problem for critical systems in general, presents an analysis of some of the relevant conditions and provides some simulation results in the context of a railway active suspension application that illustrate the overall effects and trends.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

GOODALL, R.M., DIXON, R. and DWYER, V.M., 2006. Operational reliability calculations for critical systems. IN: Sixth IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, Tsinghua University, P.R. China, Aug 29 - Sept 1st

Publisher

© Elsevier

Publication date

2006

Notes

This is a conference paper. The definitive version is available at: http://www.ifac-control.org/publications/ifac-papersonline.net

Language

  • en

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