3. Probabilistic failure: the key to predictive maintenance

As Bernard Méchin [MT 9 280] points out in his Introduction aux méthodes de maintenance (March 2024): "The failure event always has a probabilistic dimension, which can be difficult to accept for managers accustomed to reasoning in terms of certainties". The aim of predictive maintenance is to achieve a forecast of the occurrence of a failure obtained "through repeated analysis or known characteristics and an assessment of the significant parameters of the asset's degradation". According to EN 13306, an asset is defined as an element, component, mechanism, subsystem, functional unit, equipment...