The MADS-MOSAR method

The aim of this presentation is to complement the articles [SE 4 060] and [SE 4 061] on the MOSAR method with a very "practical" look at the implementation of MADS-MOSAR.

Today, it's clear that while this method is still taught, it's rarely applied. Today, we know that its principles are sound, but that its implementation is cumbersome and tedious, that it is reserved for experts, and that the ratio of time spent to work produced is far too high.

The aim here is to reverse this perception and convince the reader of the many advantages of MADS-MOSAR, particularly in comparison with other methodologies.

This work is the fruit of almost 20 years' experience in using MADS-MOSAR to analyze the risks of a wide variety of systems. Using this methodology as a basis for providing services in an engineering and design department means asking a lot of questions and finding the answers that will enable us to produce a cost-effective analysis that meets expectations, particularly regulatory ones.

All this experience and work will be presented in this article, with the constant concern to focus the presentation of the method on a "practical" aspect, essential to its appropriation.

Some may see this as a departure from the conventional MADS-MOSAR presentation, particularly in previous articles. Such a break seems to be the price of its operationality.