1. Operational study data

1.1 Reliability data

A distinction is made between qualitative and quantitative reliability data.

The qualitative approach is more recent, and concerns the description of system architecture from both a hardware and a functional point of view (using expert systems). The hardware aspect is characterized by an inventory of components and a description of their connections, while the functional aspect involves modeling the system's logic, its conditions of use and the behavior of its components using state variables.

The quantitative approach is based on technical, human and economic data. Economic data are important for assessing the cost of restoring components to working order (curative maintenance) and the cost of preventing component...

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Operational study data

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Conducting an operational study

Bibliography

(1) - LIGERON (J.-C.) - Le cercle des fiabilistes disparus ou critique ce la raison fiabiliste – Une nouvelle école de Sûreté de fonctionnement ? Une nécessité - Editions préventique (2006).
(2) - LIGERON (J.-C.) - La fiabilité en mécanique -...

Websites

Advanced Logistics Developments Ltd

http://www.aldservice.com/

Air Force Quality Institute

http://www.au.af.mil/au/afqi/

American Society for Quality

Standards and norms

When it comes to standardization in the field of Dependability, there are a considerable number of international, national and industry-specific bodies and institutions which issue their own standards. In this section, we will only mention the main standards used in all industrial sectors and in the contractual clauses of invitations to tender. However, to avoid any ambiguity about the term standard, the definition...