Accueil » Cours & Conférences » Reliability, Modelling and Calculation of Safety Systems
Reliability, Modelling and Calculation of Safety Systems
Synthesis
Day 1 :- A. INTRODUCTION AND BACKGROUND
Why and when?
Typical safety systems & mode of operation (on demand or continuous modes)
– B. RELEVANT CORE CONCEPTS FOR SAFETY SYSTEMS
Basic probabilistic measures (reliability, availability, failure frequency)
– C. CHALLENGES AND DIFFICULTIES OVERVIEW
Slides & exercises
Day 2 :
– D. NOTION OF SAFETY INSTRUMENTED SYSTEM
– E. FUNCTIONAL SAFETY APPROACHES
Functional safety standards (IEC 6158, IEC61511, ISO/TR 12489)
Overview of the functional safety approach (risk reduction)
Basic functional safety concepts (SIL, PFDavg, PFH) & comparison with conventional safety concepts
– F. APPROACHES OVERVIEW
Slides & exercises
Day 3 :
– G. SIMPLIFIED FORMULA APPROACH
Principles
Example of establishing and using formulae
Limitations
– H. RELIABILITY BLOCK DIAGRAMS (RBDS), FAULT TREES (FTS) AND MARKOVIAN APPROACHES
Principle of RBDs, FTs and Markovian approaches
RBD and FT driven Markov models
Example of using RBDs and fault trees handling on actual safety instrumented systems. Limitations
Slides & exercises
Day 4 :
– I. PETRI NETS MODELING (PNM) AND MONTE CARLO Simulation (MCS)
Introduction to PNM and MCS
RBD driven PN
Example of using PNM and MCS on actual safety instrumented systems. Limitations
– J. COMMON CAUSE MODELLING
– K. RELIABILITY DATA
Need for reliability data
Reliability data collection & reliability data bases
Slides & exercises
Day 5 :
– L. CONCLUSION
– M. REVISION
Slides & exercises
– N. Control (QCM): optional
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Planned duration
Support material
Prerequisite
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