Emulation-based stabilisation of networked control systems over WirelessHART

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Maass, AI; Nesic, D; Postoyan, R; Dower, PM; S Varma, VDate
2017Source Title
Proceedings of the ... IEEE Conference on Decision & Control / IEEE Control Systems Society. IEEE Conference on Decision & ControlPublisher
IEEE PressUniversity of Melbourne Author/s
Dower, Peter; Maass Martinez, Alejandro; Nesic, Dragan; Postoyan, RomainAffiliation
Electrical and Electronic EngineeringMetadata
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Conference PaperCitations
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 AccessARC Grant code
ARC/DP170104099Abstract
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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