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Analysis and Design of Real-Time Servers for Control Applications
Linköpings universitet, Institutionen för datavetenskap, Programvara och system. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-1673-4733
Scuola Super Sant Anna, Italy.
Linköpings universitet, Institutionen för datavetenskap, Programvara och system. Linköpings universitet, Tekniska fakulteten.
Linköpings universitet, Institutionen för datavetenskap, Programvara och system. Linköpings universitet, Tekniska fakulteten.
2016 (Engelska)Ingår i: I.E.E.E. transactions on computers (Print), ISSN 0018-9340, E-ISSN 1557-9956, Vol. 65, nr 3, 834-846 s.Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

Today, a considerable portion of embedded systems, e.g., automotive and avionic, comprise several control applications. Guaranteeing the stability of these control applications in embedded systems, or cyber-physical systems, is perhaps the most fundamental requirement while implementing such applications. This is different from the classical hard real-time systems where often the acceptance criterion is meeting the deadline. In other words, in the case of control applications, guaranteeing stability is considered to be a main design goal, which is linked to the amount of delay and jitter a control application can tolerate before instability. This advocates the need for new design and analysis techniques for embedded real-time systems running control applications. In this paper, the analysis and design of such systems considering a server-based resource reservation mechanism are addressed. The benefits of employing servers are manifold: providing a compositional and scalable framework, protection against other tasks misbehaviors, and systematic bandwidth assignment and co-design. We propose a methodology for designing bandwidth-optimal servers to stabilize control tasks. The pessimism involved in the proposed methodology is both discussed theoretically and evaluated experimentally.

Ort, förlag, år, upplaga, sidor
IEEE COMPUTER SOC , 2016. Vol. 65, nr 3, 834-846 s.
Nyckelord [en]
Embedded systems; real-time systems; real-time control co-design; control server; stability; bandwidth minimization
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URN: urn:nbn:se:liu:diva-126249DOI: 10.1109/TC.2015.2435789ISI: 000370729600014OAI: oai:DiVA.org:liu-126249DiVA: diva2:913451
Anmärkning

Funding Agencies|ELLIIT Excellence Center; Linneaus Center LCCC; Marie Curie Intra European Fellowship within Seventh European Community Framework Programme; Swedish Research Council

Tillgänglig från: 2016-03-21 Skapad: 2016-03-21 Senast uppdaterad: 2016-06-08

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