Emulation-based stabilisation of networked control systems over WirelessHART

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    Author
    Maass, AI; Nesic, D; Postoyan, R; Dower, PM; S Varma, V
    Date
    2017
    Source Title
    Proceedings of the ... IEEE Conference on Decision & Control / IEEE Control Systems Society. IEEE Conference on Decision & Control
    Publisher
    IEEE Press
    University of Melbourne Author/s
    Dower, Peter; Maass Martinez, Alejandro; Nesic, Dragan; Postoyan, Romain
    Affiliation
    Electrical and Electronic Engineering
    Metadata
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    Document Type
    Conference Paper
    Citations
    Maass, A. I., Nesic, D., Postoyan, R., Dower, P. M. & S Varma, V. (2017). Emulation-based stabilisation of networked control systems over WirelessHART. Proceedings of the IEEE 56th Annual Conference on Decision and Control (CDC 2017), 2018-January, IEEE Press. https://doi.org/10.1109/CDC.2017.8264657.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/251424
    DOI
    10.1109/CDC.2017.8264657
    ARC Grant code
    ARC/DP170104099
    Abstract
    We study the emulation-based stabilisation of nonlinear networked control systems (NCSs) implemented over WirelessHART (WH). WH is a communication protocol widely used in process instrumentation. It is characterised by its multi-hop structure, slotted communication cycles, and simultaneous transmission over different frequencies. To capture most functionalities of WH, faithful models are needed. We propose a hybrid control-oriented model of WH-NCSs that includes the key features of the network. We then follow an emulation approach to stabilise the NCS. We show that, under reasonable assumptions on the scheduling protocol, stability is preserved when the controller is implemented over the network with sufficiently frequent data transmission. We then explain how to schedule transmissions over the hops to satisfy those assumptions.

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