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Operational safety blog
A safety system is characterized by setting a study inside the development cycle of the system, which contribute to determine the level of trust of the behaviour defined for the system. Clearsy, a company specialised in operational safety, presents in this section the complexity of this area, its stakes, and all the steps required to obtain a safe system.
The Preliminary Hazard Analysis (PHA) consists in identifying, at the system level, which redundant events can lead to dangerous situations for people. These events are then classified by assigning a safety level. This analysis is performed using a set of … Continue reading
As part of a PEE(Programable / Electrical / Electronics), the analysis of dependability of a system must fit into a risk management overall. Indeed, the analysis of dependability of a PEE system can allocate a level of confidence in the … Continue reading
Reliability definition The most current reliability definition is, the (probability of) capability of an entity to perform a required function, in a defined environment and during a defined period of time. The goal objective The goal objective in the design … Continue reading
The term “system SIL” is a term used frequently, but very often leads to confusion. In fact, if one takes the meaning of the abbreviation SIL, we get Safety Integrity Level. The safety integrity is the probability for a safety … Continue reading
The formal methods : Allow to define mathematically and rigorously the properties of operation of a system. Formal methods may apply to any stage of development of a project, as well from the specification phase to the phase of implementation. … Continue reading
The IEC 61508 standard is a generic standard, created in European version by CENELEC in 2002 as EN 61508, and todayis used as reference by all major industrial sectors. Since its creation, several derivatives of this standard (called child standards) … Continue reading
Two years after the Lambda Mu 15, the Institute for risk control (LMdR) has organized the sixteenth edition of its famous congress, and has proposed the theme of “New Challenges” which were covered by industrial, investors, engineers, consultants, and specialists … Continue reading