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A holistic approach to railway infrastructure asset management

Rama, Dovile; Andrews, John D.

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Authors

Dovile Rama

John D. Andrews



Abstract

In the railway industry asset management decisions are focused on the maintenance, enhancement and renewal of assets in order to ensure a required level of dependability and improvement in services at the lowest whole life costs. To achieve these objectives system lifecycle models, rather than individual asset models,= offer a greater advantage. The paper presents a modelling approach developed for constructing multi asset system models to support well-informed railway infrastructure asset management decisions. The models are built using the Petri Net formalism and are analysed by a means of Monte Carlo simulations. A specific example of the railway superstructure model is presented. Its simulation results demonstrate the superiority of the system-wide model against individual asset models in terms of its accuracy in predicting the superstructure (system) performance and information available to support asset management decisions. Furthermore, by using the multi-asset system model interdependencies among maintenance regimes of different assets and different parts of the infrastructure can be modelled.

Citation

Rama, D., & Andrews, J. D. (2015). A holistic approach to railway infrastructure asset management. International Journal of Performability Engineering, 11(2),

Journal Article Type Article
Acceptance Date Sep 26, 2014
Publication Date Mar 30, 2015
Deposit Date Dec 16, 2016
Publicly Available Date Mar 29, 2024
Journal International Journal of Performability Engineering
Electronic ISSN 0973-1318
Peer Reviewed Peer Reviewed
Volume 11
Issue 2
Keywords Railway infrastructure, asset management, system-wide models, Petri Nets
Public URL https://nottingham-repository.worktribe.com/output/746459
Publisher URL http://www.ijpe-online.com/march-2015-p1-a-holistic-approach-to-railway-infrastructure-asset-management.html#axzz4T0hL0Z2I

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