- Title
- Channel signal-to-noise ratio constrained feedback control: performance and robustness
- Creator
- Rojas, A. J.; Braslavsky, Julio H.; Middleton, R. H.
- Relation
- IET Control Theory and Applications Vol. 2, Issue 7, p. 595-605
- Publisher Link
- http://dx.doi.org/10.1049/iet-cta:20070246
- Publisher
- Institution of Engineering and Technology
- Resource Type
- journal article
- Date
- 2008
- Description
- 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.
- Subject
- channel signal-to-noise ratio; constrained feedback control; communication channel; control loop; transmission data rate; stabilisation; model matching; robustness; multiplicative uncertainty
- Identifier
- uon:5598
- Identifier
- http://hdl.handle.net/1959.13/43499
- Identifier
- ISSN:1751-8644
- Reviewed
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