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Article | REF: G7020 V1

Obsolescence management in railway

Authors: Vincent BOURGEOIS, Vincent NARBOT

Publication date: October 10, 2022 | Lire en français

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    Overview

    ABSTRACT

    The railway sector - rolling stock and infrastructure - is composed of a vast panel of equipment of different technologies (mechanical, electromechanical, analogical, digital, computerized, etc.) and different ages. This variety generates technical and economic complexity for the companies of the railway sector whether manufacturers, maintainers or operators.

    This article gives an overview of the situation in the railway sector and presents the latest developments in obsolescence management.

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    AUTHORS

    • Vincent BOURGEOIS: Railway signalling engineer - SNCF Réseau – Direction Générale Industrielle et Ingénierie – Département de la signalisation ferroviaire, France

    • Vincent NARBOT: Senior Expert in obsolescence management - ALSTOM S.A., Villeurbanne, France

     INTRODUCTION

    The increased use of complex systems in rolling stock and rail infrastructure has undoubtedly improved the operational efficiency, performance and safety of both the rail operator (passenger and freight) and the infrastructure manager. However, these improvements, which benefit passengers, have created new challenges for the industry and the rail operator, who must be able to maintain older installations in working order, while at the same time deploying new systems. This overlapping of technologies brings with it the additional challenge of managing obsolescence to guarantee an unchanged level of reliability and avoid disruptions to the operation of the rail system and associated services.

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    KEYWORDS

    obsolescence   |   Obsolescence management plan   |   Railway

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