Use of Upper Bound Delay Estimate in Stability Analysis and Robust Control Compensation in Networked Control Systems

Jean-Philippe Georges, Nikolai Vatanski, E. Rondeau, Sirkka-Liisa Jämsä-Jounela

    Research output: Contribution to journalConference articleScientificpeer-review

    1 Citation (Scopus)
    233 Downloads (Pure)

    Abstract

    Recent interest in networked control systems (NCS) has instigated research in various areas of both communication networks and control. The analysis of NCS has often been performed either from the network, or the control point of view and not many papers exist were the analysis of both is done in the same context. Here a simple overall analysis is presented. In the paper the procedure of obtaining the upper bound delay value in the switched Ethernet network is proposed and the obtained delay estimate is used in stability analysis of the feedback loop and in the control compensation. The upper bound delay algorithm is based on the network calculus theory, the stability analysis uses the small gain theorem, and control compensating strategy is based on Smith predictor, where however the upper bound delay is utilised in obtaining the delay estimate.
    Original languageEnglish
    Pages (from-to)107-112
    Number of pages6
    JournalIFAC PROCEEDINGS VOLUMES
    Volume39
    Issue number3
    DOIs
    Publication statusPublished - 2006
    MoE publication typeA4 Article in a conference publication
    EventIFAC Symposium on Information Control Problems in Manufacturing - Saint-Etienne, France
    Duration: 17 May 200619 May 2006
    Conference number: 12

    Keywords

    • networked control systems
    • real time systems
    • industrial communication
    • network calculus
    • delay compensation

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