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Alternative controls for soft real-time industrial control services in case of broken cloud links

 
: Gilani, Syed Shiraz; Jungbluth, Florian; Flatt, Holger; Wendt, Verena; Jasperneite, Jürgen

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Institute of Electrical and Electronics Engineers -IEEE-:
21th IEEE Conference on Emerging Technologies and Factory Automation, ETFA 2016 : September 6 - 9, 2016, Berlin
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-1314-2
ISBN: 978-1-5090-1313-5
ISBN: 978-1-5090-1315-9
4 S.
International Conference on Emerging Technologies and Factory Automation (ETFA) <21, 2016, Berlin>
Englisch
Konferenzbeitrag
Fraunhofer IOSB ()

Abstract
Currently, cloud computing offers flexible, dynamic and cost effective computing outsourcing, but it limits these economic and operational benefits to non real-time and non safety-critical systems. This is because of the lack of alternative control, supported by current cloud infrastructures, in case of a broken cloud link. While steps have been taken in using cloud infrastructures for soft real-time systems in industrial operations, such as using a virtualised PLC from a cloud, a gap still exists in appropriate handling of operations in the case of a broken cloud link. This paper proposes a new hybrid approach for providing control services from the cloud that can handle the essential communication locally in case of a broken cloud link. The proposed approach is also tested with two different scenarios for an initial evaluation.

: http://publica.fraunhofer.de/dokumente/N-435159.html