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Title: Operational reliability calculations for critical systems
Authors: Goodall, Roger M.
Dixon, Roger
Dwyer, Vincent M.
Keywords: Reliability analysis
Fault tolerance
Railways
Safety analysis
Issue Date: 2006
Publisher: © Elsevier
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
Abstract: 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.
Description: This is a conference paper. The definitive version is available at: http://www.ifac-control.org/publications/ifac-papersonline.net
URI: https://dspace.lboro.ac.uk/2134/3305
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)
Conference Papers (Control Systems Group)

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