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Pragmatic cyber physical systems design based on parametric models
Univ Carlos III Madrid, Spain.
Linnaeus University, Faculty of Technology, Department of computer science and media technology (CM).ORCID iD: 0000-0002-2736-845X
Politecn Milan, Italy.
2018 (English)In: Journal of Systems and Software, ISSN 0164-1212, E-ISSN 1873-1228, Vol. 144, p. 559-572Article in journal (Refereed) Published
Abstract [en]

The adaptive nature of cyber physical systems (CPS) comes from the fact that they are deeply immersed in the physical environments that are inherently dynamic. CPS also have stringent requirements on real-time operation and safety that are fulfilled by rigorous model design and verification. In the real-time literature, adaptation is mostly limited to off-line modeling of well known and predicted transitions; but this is not appropriate for cyber physical systems as each transition can have unique and unknown characteristics. In the adaptive systems literature, adaptation solutions are silent about timely execution and about the underlying hardware possibilities that can potentially speed up execution. This paper presents a solution for designing adaptive cyber physical systems by using parametric models that are verified during the system execution (i.e., online), so that adaptation decisions are made based on the timing requirements of each particular adaptation event. Our approach allows the system to undergo timely adaptations that exploit the potential parallelism of the software and its execution over multicore processors. We exemplify the approach on a specific use case with autonomous vehicles communication, showing its applicability for situations that require time-bounded online adaptations.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 144, p. 559-572
Keywords [en]
CPS, Autonomous systems, Adaptive systems, Verification
National Category
Software Engineering
Research subject
Computer Science, Software Technology
Identifiers
URN: urn:nbn:se:lnu:diva-78408DOI: 10.1016/j.jss.2018.06.044ISI: 000445441100032Scopus ID: 2-s2.0-85050800511OAI: oai:DiVA.org:lnu-78408DiVA, id: diva2:1257740
Available from: 2018-10-22 Created: 2018-10-22 Last updated: 2019-08-29Bibliographically approved

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Perez-Palacin, Diego

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf