Compensating the transmission delay in networked control systems

Nikolai Vatanski, Jean-Philip Georges, Christopher Aubrun, Eric Rondeau, Sirkka-Liisa Jämsä-Jounela

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    Abstract

    Recent interest in networked control systems (NCS) has instigated research in
    both communication networks and control. Analysis of NCSs has usually been performed from either the network or the control point of view, but not many papers exist where the analysis of both is done in the same context. In this paper an overall analysis of the networked control system is presented. First, the procedure of obtaining the upper bound delay value for packet transmission in the switched Ethernet network is presented. The upper bound delay algorithm applies ideas from network calculus theory. Next, the obtained delay estimate is utilised in delay compensation for improving the Quality of Performance (QoP) of the control systems. For the improvement of the performance a robust control based delay compensation strategy is used.
    Original languageEnglish
    Title of host publication14th Nordic Process Control Workshop, Espoo,2007
    EditorsSirkka-Liisa Jämsä-Jounela
    Place of PublicationEspoo
    PublisherNPCG
    Pages153-158
    ISBN (Print)978-951-22-8913-4
    Publication statusPublished - 2007
    MoE publication typeA4 Article in a conference publication

    Publication series

    Name
    PublisherNPCG
    ISSN (Print)1455-4046

    Keywords

    • networked control systems
    • delay compensation
    • real time systems

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