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Channel Signal-to-Noise Ratio Constrained Feedback Control: Performance and Robustness

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Rojas, A.J., Braslavsky, J.H. and Middleton, R.H. (2009) Channel Signal-to-Noise Ratio Constrained Feedback Control: Performance and Robustness. IET Control Theory and Applications, 2 (7). pp. 595-605. ISSN 1751-8644

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Official URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arn...

Abstract

The limitations in performance and robustness imposed by explicitly considering a communication channel in a control loop have received increased attention in recent years. Previous results in the literature have stated these limitations in terms of a minimal transmission data rate necessary for stabilisation. In this paper a signal-to-noise ratio (SNR) approach is used to study two specific cases: (i) performance in terms of model matching and (ii) robustness against a multiplicative uncertainty in the plant model. The analysis performed leads to closed-form expressions that allow the quantification of the extra SNR required in both cases.

Item Type:	Article
Additional Information:	The original publication is available at http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4559402&tag=1
Keywords:	Signal-to-noise ratio; SNR; Networks; Input-output stability; Performance; Robustness; Channel signal-to-noise ratio; Constrained feedback control; Communication channel; Control loop; Transmission data rate; Stabilisation; Model matching; Multiplicative uncertainty; Control system analysis; Feedback; Robust control; Telecommunication channels; Uncertain systems; Hamilton Institute.
Academic Unit:	Faculty of Science and Engineering > Computer Science Faculty of Science and Engineering > Research Institutes > Hamilton Institute
Item ID:	1880
Identification Number:	10.1049/iet-cta:20070246
Depositing User:	Hamilton Editor
Date Deposited:	08 Mar 2010 13:22
Journal or Publication Title:	IET Control Theory and Applications
Publisher:	Institution of Engineering and Technology
Refereed:	Yes
Related URLs:	Publisher
URI:	https://mural.maynoothuniversity.ie/id/eprint/1880
Use Licence:	This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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