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Non-Markovian performability evaluation of ERTMS/ETCS level 3
University of Florence, Italy.
Ansaldo STS, Italy. (CPS)ORCID iD: 0000-0002-2833-7196
University of Florence, Italy.
University of Florence, Italy.
2015 (English)In: Computer Performance Engineering. EPEW 2015, Springer, 2015, p. 47-62Conference paper, Published paper (Refereed)
Abstract [en]

The European Rail Traffic Management System/European Train Control System (ERTMS/ETCS) is an innovative standard introduced to enhance reliability, safety, performance, and interoperability of trans-European railways. In Level 3, the standard replaces fixed-block safety mechanisms, in which only one train at a time is allowed to be in each railway block, with moving blocks: a train proceeds as long as it receives radio messages ensuring that the track ahead is clear of other trains. This mechanism increases line capacity, but relies crucially on the communication link: if messages are lost, the train must stop within a safe deadline even if the track ahead is clear. We develop upon results of the literature to propose an approach for the evaluation of transient availability of the communication channel and probability of train stops due to lost messages. We formulate a non-Markovian model of communication availability and system operation, and leverage solution techniques of the ORIS Tool to provide experimental results in the presence of multiple concurrent activities with non-exponential durations. © Springer International Publishing Switzerland 2015.

Place, publisher, year, edition, pages
Springer, 2015. p. 47-62
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 9272
Keywords [en]
European Rail Traffic Management System (ERTMS), European Train Control System (ETCS), Markov Regenerative Process (MRP), Real-time systems design, Stochastic state classes, Transient analysis, Automatic train control, Control systems, Interactive computer systems, Interoperability, Markov processes, Railroad traffic control, Railroad transportation, Railroads, Safety engineering, Stochastic systems, Concurrent activities, European rail traffic management systems, European Train Control Systems, Markov regenerative process, Non-Markovian modeling, Performability evaluation, Train control systems, Real time systems
National Category
Embedded Systems
Research subject
Computer Science, Software Technology
Identifiers
URN: urn:nbn:se:lnu:diva-73651DOI: 10.1007/978-3-319-23267-6_4Scopus ID: 2-s2.0-84944722704ISBN: 9783319232669 (print)ISBN: 9783319232676 (electronic)OAI: oai:DiVA.org:lnu-73651DiVA, id: diva2:1213281
Conference
12th European Workshop, EPEW 2015 Madrid, Spain, August 31 – September 1, 2015
Available from: 2018-06-04 Created: 2018-06-04 Last updated: 2019-03-07Bibliographically approved

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Flammini, Francesco

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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More styles
Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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