With 725 000 passengers daily and 111 years of existence, the most famous metro line of Paris, the first one […]

One of the oldest metro of the world, the mythic Parisian first line is now equipped with Platform Screen Doors […]

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

As part of a PEE(Programable / Electrical / Electronics), the analysis of dependability of a system must fit into a […]

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

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

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