Overview
ABSTRACT
Operating Safety has become a fully-fledged scientific discipline, based upon the ownership of methods and tools concerning in particular reliability, availability, maintainability and safety. This article details examples of applications: a system with two identical components in active redundancy which compose a set of two components put in parallel and fulfilling the same functions or missions; a system with three inverters with a two-out-of-three voting circuit and the fault-tree for a fire detection system. The last case illustrates the determination of minimal event combinations which lead to the loss of the main function of a system.
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Gilles ZWINGELSTEIN : Engineer from the École nationale supérieure d'électrotechnique, d'électronique, d'informatique et d'hydraulique et des télécommunications de Toulouse (ENSEEIHT) - Doctor of Engineering, Doctor of Science - Associate University Professor
INTRODUCTION
In this dossier, which follows on from the dossiers on the operational safety of complex industrial systems :
we examine three types of application:
a system with two identical components in active redundancy ;
a three-inverter system with a 2/3 inverter;
a fault tree for a fire detection system.
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Operating safety of complex industrial systems - Examples of applications
System with two identical components in active redundancy
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