RAM DEMONSTRATION, ACCORDING TO A MIDDLE EAST PROJECT

DEMONSTRATION DE L'ATTEINTE DES INDICATEURS FMD -ILLUSTRE PAR UN PROJET DE TRAMWAY EN EXPLOITATION AU MOYEN ORIENT

Sylvain Maciejewski () and Jean-Marie Cloarec
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Sylvain Maciejewski: SYSTRA
Jean-Marie Cloarec: SYSTRA

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Abstract: Summary Many of us are used to realize RAM Analysis (Reliability, Availability and Maitainability) of a complex system. However, in most case, these analysis are purely theoretical. When contractors could be impacted by fine as soon as they don't reach their RAM contractual requirements, it is highly advice for the owner to check that equipment achieve their RAM requirements. This is an activity of RAM demonstration. A practical checking of the achievment of the RAM target shall be realized in the different way that it was done for the RAM prediction. The reason is that the system is already in the stage of revenue service. So, it is necessary to set up a dedicated process with dedicated tools. These shall be different that those which were implemented in the previous stage of the V cycle, in other word the design stage. This analysis describe the activity of demonstration, with good practices and traps to avoid. This analysis rely of the feedback of SYSTRA and the application of the art of the rules. In the objective to present an understandable analysis, this report is also illustrate with examples coming back to the RAM demonstration that was done for the tramway of Dubai.

Date: 2018-10-16
Note: View the original document on HAL open archive server: https://hal.science/hal-02074581
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Published in Congrès Lambda Mu 21 « Maîtrise des risques et transformation numérique : opportunités et menaces », Oct 2018, Reims, France

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