Safety & Dependability – Overview, Modeling and Calculations

Synthesis

Day 1 :A. INTRODUCTION: WHY AND WHEN ?
Dependability & safety short story
Notions of danger, risk, undesired events, etc.
Notion of random processes. General methodology
B. CORE CONCEPTS
Reliability, availability
Failure rate, MTBF, MTTF, etc
Slides & exercises

Day 2 :
C. RISK IDENTIFICATION
Preliminary Hazard Analysis (PHA), HAZOP
Failure mode and effect and criticality analysis (AMDEC)
D. FROM SIMPLE TO MULTIPLE FAILURES
Inventory and presentation of analysis methods
Two-state systems
Reliability block diagrams
Fault trees
First probabilistic calculations
Slides & exercises

Day 3 :
E. EXTENSION TO SIL (SAFETY INTEGRITY LEVELS) CALCULATIONS
Basic concepts versus SIL concepts (IEC 6158/511)
Fault tree handling
Common cause failure notions
F. FROM STATIC TO DYNAMIC MODELS
Dynamic systems introduction
Markovian approach
Slides & exercises

Day 4 :
G. EXTENSION TO RAM (PRODUCTION AVAILABILITY) CALCULATIONS
Introduction to RAM studies
Markov modeling
Production availability basic calculations
H. FROM ANALYTICAL TO MONTE CARLO CALCULATIONS
Introduction to Monte Carlo simulation
Petri net modeling: production level, maintenance, maintenance supports, etc., spare parts, etc…
Slides & exercises

Day 5 :
I. CONCLUSION
J. REVISION
Slides & exercises
Control (QCM): optional

Language

Français & Anglais

Audience type

Students from university and engineering schools Engineers dealing with safety and production availability studies Teachers interested in probabilistic calculations applied to actual industrial systems.

Planned duration

5 days, 4 to 5 hours per day.

Support material

Paper copy of slides and exercises, Slides in English or French Notes: the content of the course/exercises can be tuned according to the student level. This program can be lightened according to the University planning.

Prerequisite

Objectives

Dependability & safety basic concepts (reliability, availability, maintainability, safety, etc…). Basic notions in modeling & calculations for : safety (SIL studies), production (RAM studies).

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