5. A reminder of probability
The definitions and methods used in the discipline of operational safety are based on probability theory, which is the subject of the following reminders, based on a concrete notion in operational safety: the random time T at which a failure occurs. However, as real systems have no physical existence for negative times, it is essential to take this particularity into account when redefining the probability laws governing the time of failure. It is therefore absolutely essential never to use negative instants to describe the behavior of a piece of equipment. In the field of operational safety, this essential characteristic must be taken into account, and the reader can find out more about these probability techniques in a number of books:
The Ultimate Scientific and Technical Reference
This article is included in
Safety and risk management
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
A reminder of probability
Basic concepts and dependability
Bibliography
Software tools
HBM PRENSCIA 20016, ReliaSoft Synthesis Master Suite
https://www.hbmprenscia.com/about
ALD 2017 RAM Commander V8.6, Availability Prediction and Analysis
https://aldservice.com/Reliability-Availability-Prediction-and-Analysis-Software.html
...Websites
INERIS (French National Institute for the Industrial Environment and Risks)
ADEME (French Environment and Energy Management Agency)
CEPR (European Center for Risk Prevention)
...Standards and norms
- Maintenance – Maintenance terminology - NF EN 13306 - 2018
- Value management – Vocabulary – Terms and definitions - NF EN 1325 - 2014
- Value-based management – Functional expression of needs and functional specifications – Requirements for expressing and validating the need to be met in the process of acquiring or obtaining a product - NF EN 16271 - 2013
- Value-based management – Life cycle cost of...
Regulations
Decree no. 2001-1016 of the Labor Code instituting the employer's obligation (article L. 4121-2 modified by law no. 2016-1088 of August 8, 2016 – article 5
Circular of May 10, 2010 summarizing the methodological rules applicable to hazard studies
Article L. 511-1 concerning provisions (amended by order no. 2011-91 of January 20, 2011 – article 6)
Order...
Directory
Organizations – Federations – Associations (non-exhaustive list)
Institut national de l'environnement industriel et des risques (INERIS) : https://www.ineris.fr/fr
Institute for Risk Management (IMDR) : https://www.imdr.eu/
...
The Ultimate Scientific and Technical Reference
