文档介绍：Use of Probabilistic Relational Model (PRM) for Dependability Analysis of Complex
sequence, the (Wang and Pham, 1999) but also from detection of the factors
importance of the maintenance function has increased, due to that cause deviations of the performances (diagnosis
its role in improving availability, performance efficiency, processing).
products quality, on-time deliveries, environment and safety
requirements, and total plant cost effectiveness at high levels Furthermore, while modeling these factors, it is required to
(Alsyouf, I. 2007). In order to improve business take into account the knowledge integration of diverse
performances, maintenance is thus directly related to risk natures such as qualitative (organizational and human
analysis and dependability which allows to forecast the gaps analyses) and quantitative (technical analyses) knowledge
between nominal and non-nominal operations of the system with several abstraction levels (Muller, 2007).
(degradation, failure, etc).
In that way, to estimate and to improve performances such as
There are several works in the maintenance modeling, the reliability and safety of systems, Boudali and Dugan
however, it is somewhat “under-developed” ” (McKone et al., (2005b), Langseth and Portinale (20