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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.13/928925

Title
Packetized predictive control of stochastic systems over bit-rate limited channels with packet loss
Author/Creator
Quevedo, Daniel E.;  Østergaard, Jan;  Nešić, Dragan
Description
We study a control architecture for linear timeinvariant plants with random disturbances and where a network is placed between the controller output and the plant input. The network imposes a constraint on the expected bit-rate and is affected by random i.i.d. dropouts. Dropout-rates and acknowledgments of receipt are not available at the controller side. To achieve robustness with respect to i.i.d. dropouts, the controller transmits data packets containing quantized plant input predictions. These are provided by an appropriate optimal entropy coded dithered lattice vector quantizer. Within this context, we derive stochastic stability results and provide a noiseshaping model of the closed loop system. This model is employed for performance analysis by using rate-distortion theory.
Relation
IEEE Transactions on Automatic Control Vol. 56, Issue 12, p. 2854-2868
Publisher Link
http://dx.doi.org/10.1109/TAC.2011.2139410
Date
2011
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Keyword(s)
networked control systems;  packet drops;  predictive control;  rate-distortion;  source coding;  stability analysis;  stochastic systems;  vector quantization
Resource Type
journal article
Identifier
http://hdl.handle.net/1959.13/928925
Identifier
ISSN:0018-9286
Language
eng
Reviewed
Reviewed
 
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Subject
"IEEE Transactions on Automatic Control"
 
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