Successful track tests for the SIL4 location system developed by CLEARSY. Railway, Safety

A magnetic mat along the track allows an on-board computer to determine the exact and guaranteed location (SIL4) of the […]

Introduction to data validation Railway, Safety, Uncategorized

The Preliminary Hazard Analysis Safety

The Preliminary Hazard Analysis (PHA) consists in identifying, at the system level, which redundant events can lead to dangerous situations […]

The Electrical/Electronic System Reliability Safety

Reliability definition The most current reliability definition is, the (probability of) capability of an entity to perform a required function, […]

Does the SIL systems exist? Safety

The term “system SIL” is a term used frequently, but very often leads to confusion. In fact, if one takes […]

The formal methods in the Operational Safety process Safety

The formal methods : Allow to define mathematically and rigorously the properties of operation of a system. Formal methods may […]

The IEC Standard and its derivatives Safety

The IEC 61508 standard is a generic standard, created in European version by CENELEC in 2002 as EN 61508, and […]