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Efficient maintenance strategy through System Dynamics

Böhm, Thomas and Beck, Katja and Knaak, Ann-Kristin and Jäger, Bärbel (2008) Efficient maintenance strategy through System Dynamics. In: Computer System Design and Operation in the Railway an other Transit Systems Computers in Railways, XI. WIT Press. ISBN 978-1-84564-126-9. ISSN 1746-4498

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Abstract

In times when economic efficiency of traffic systems is getting more and more important, it is necessary to have an efficient maintenance strategy, because maintenance costs have been identified as significant cost drivers. This holds true especially for railway signalling in which the long life cycle of elements has a high impact on the costs. In addition, a maintenance strategy is required to fulfil the high standards for availability and safety in the railway sector. While different strategies are available (e.g. corrective or preventive, predetermined or condition based, etc.), each strategy has various options of processed period, duration, costs, impact on the maintained item, etc. This makes it a difficult task to find an efficient maintenance strategy for a system or even a network. The Institute of Transportation Systems has therefore analysed cause-and-effect chains between system condition, availability, maintenance activities, and costs. The identified cause-and-effect chains are modelled with the use of System Dynamics. System Dynamics is a method which has established to analyse and model complex dynamic systems. The developed models do not only enable the user to compare the efficiency of different maintenance activities with each other, but also provide the possibility to determine a combination of these activities leading to an overall system maintenance strategy at a cost minimum through optimisation. This allows infrastructure managers to evaluate their current maintenance program and to determine an economically improved strategy for the future.

Document Type:Book Section
Title:Efficient maintenance strategy through System Dynamics
Authors:
AuthorsInstitution or Email of Authors
Böhm, ThomasUNSPECIFIED
Beck, KatjaUNSPECIFIED
Knaak, Ann-KristinUNSPECIFIED
Jäger, BärbelUNSPECIFIED
Date:2008
Journal or Publication Title:Computer System Design and Operation in the Railway an other Transit Systems
Refereed publication:Yes
In ISI Web of Science:No
Volume:XI
Editors:
EditorsEmail
Allan, J.UNSPECIFIED
Arias, E.UNSPECIFIED
Brebbia, C. A.UNSPECIFIED
Goodman, C. J.UNSPECIFIED
Rumsey, A. F.UNSPECIFIED
Sciutto, G.UNSPECIFIED
Tomii, N.UNSPECIFIED
Publisher:WIT Press
Series Name:Computers in Railways
ISSN:1746-4498
ISBN:978-1-84564-126-9
Status:Published
Keywords: LCC, railway signalling, condition based maintenance, System Dynamics, decision support system
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:Traffic Management
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Clearingstelle (old)
Location: Braunschweig
Institutes and Institutions:Institute of Transportation Systems > Rail Systems
Deposited By: Stefanie Schwartz
Deposited On:10 Nov 2008
Last Modified:27 Apr 2009 15:22

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