Observer design for networked control systems implemented over WirelessHART
AuthorMaass, AI; Nesic, D; Postoyan, R; Dower, PM
Source TitleProceedings of the ... IEEE Conference on Decision & Control / IEEE Control Systems Society. IEEE Conference on Decision & Control
AffiliationElectrical and Electronic Engineering
Document TypeConference Paper
CitationsMaass, A. I., Nesic, D., Postoyan, R. & Dower, P. M. (2018). Observer design for networked control systems implemented over WirelessHART. Proceedings of the 57th IEEE Conference on Decision and Control (CDC), 2018-December, pp.2836-2841. IEEE. https://doi.org/10.1109/CDC.2018.8619754.
Access StatusOpen Access
ARC Grant codeARC/DP170104099
We study the design of state observers for nonlinear networked control systems (NCSs) that are implemented over WirelessHART (WH). WH is a wireless communication protocol for process automation applications. It is characterised by its multi-hop structure, slotted communication cycles, and simultaneous transmission over different frequencies. We present a solution based on the emulation approach. That is, given an observer designed with a specific stability property in the absence of communication constraints, we implement it over a WH network and we provide sufficient conditions on the latter, to preserve the stability property of the observer. In particular, we provide explicit bounds on the maximum allowable transmission interval. We assume that the plant dynamics and measurements are affected by noise and we guarantee an inputto- state stability property for the corresponding estimation error system.
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