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Exploitation of Built in test for diagnosis by using Dynamic Fault Trees: Implementation in Matlab Simulink
Gascard E. et al
in Advances in Safety, Reliability and Risk Management: ESREL 2011, Christophe Berenguer, Antoine Grall, Carlos Guedes Soares (Ed.) (2011) 436-444 - http://hal.archives-ouvertes.fr/hal-00631186
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Eric Gascard ()1, Zineb Simeu-Abazi ()2
1 :  TIMA - Techniques of Informatics and Microelectronics for integrated systems Architecture
http://tima.imag.fr/
CNRS : UMR5159 – Université Joseph Fourier - Grenoble I – Institut National Polytechnique de Grenoble (INPG)
46 Av Félix Viallet 38031 GRENOBLE CEDEX 1
France
2 :  G-SCOP - Laboratoire des sciences pour la conception, l'optimisation et la production
CNRS : UMR5272 – Institut National Polytechnique de Grenoble (INPG) – Université Joseph Fourier - Grenoble I
France
GCSP
Sciences de l'ingénieur/Automatique / Robotique
Exploitation of Built in test for diagnosis by using Dynamic Fault Trees: Implementation in Matlab Simulink
This paper presents the purpose of Dynamic Fault Tree (DFT) in Matlab Simulink in order to diagnose discrete event systems. The aim is to filter false alarms in automated systems that feature dependencies. Traditional Fault Tree is a tool used for system diagnostics, but it is limited because it uses traditional logic gates (OR, AND) which do not take into consideration the time and the dependencies of automated systems. As a result, new gates have been created to make it possible to consider dynamic aspects of automata. They are called temporal and dynamic logic gates. Consequently a research work has been done upstream to describe all the functioning cases of each gate and to represent them into digital timing diagram. Then, in order to provide an easy way to built DFT and analyze automated system faults, traditional, temporal and dynamic gates have been programmed using the StateFlow library of Matlab Simulink and added to a new toolbox created especially in Simulink for the construction and the simulation of DFT.
Anglais
30/03/2011

internationale
Advances in Safety, Reliability and Risk Management: ESREL 2011
CRC Press
23/08/2011
436-444
Christophe Berenguer, Antoine Grall, Carlos Guedes Soares

Dynamic Fault Tree (DFT) – false alarms – Fault Tree temporal gates – logic gates – Matlab Simulink
OSP