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Priority-driven swapping-based scheduling of aperiodic real-time messages over EtherCAT networks
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems. University of Catania, Italy.
Scuola Superiore Sant'Anna, Pisa, Italy.
University of Catania, Italy.
2015 (English)In: IEEE Transactions on Industrial Informatics, ISSN 1551-3203, Vol. 11, no 3, 741-751 p., 6883138Article in journal (Refereed) Published
Abstract [en]

Real-time Ethernet (RTE) technologies are becoming increasingly popular, as they provide high bandwidth and are able to meet the requirements of industrial real-time communications. Among RTE protocols, the EtherCAT standard is suitable for motion control and closed-loop control applications, which require very short cycle times. As EtherCAT was specifically devised for periodic traffic, aperiodic real-time transmissions are far from being efficient, as they entail long cycle times. To overcome this limitation, this paper presents a general framework for priority-driven swapping (PdS)-based scheduling of aperiodic real-time messages over EtherCAT networks, which uniformly covers both dynamic and static priority and allows for very short cycle times. This paper provides a description of the PdS framework, a schedulability analysis for both static priority and dynamic priority scheduling, and simulative assessments obtained through OMNeT++ simulations.

Place, publisher, year, edition, pages
2015. Vol. 11, no 3, 741-751 p., 6883138
Keyword [en]
EtherCAT, Industrial networks, Priority-based real-time scheduling, Real-time Ethernet (RTE), Ethernet, Telecommunication networks, Dynamic-priority scheduling, Real - time scheduling, Real time Ethernet, Real-time communication, Real-time transmissions, Schedulability analysis, Scheduling
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-28716DOI: 10.1109/TII.2014.2350832Scopus ID: 2-s2.0-84937440769OAI: oai:DiVA.org:mdh-28716DiVA: diva2:847871
Available from: 2015-08-21 Created: 2015-08-21 Last updated: 2015-08-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • Other style
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  • de-DE
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  • nn-NO
  • nn-NB
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