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48th CDC/28th CCC Paper Abstract

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Paper WeBIn6.14

Quevedo, Daniel E. (The University Of Newcastle), Ostergaard, Jan (Aalborg University)

Quantized Predictive Control Over Erasure Channels

Scheduled for presentation during the Interactive Session "Control and Communication in Networked Systems" (WeBIn6), Wednesday, December 16, 2009, 14:30−15:50, Mandarin Hall

Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference, December 16-18, 2009, Shanghai, P.R. China

This information is tentative and subject to change. Compiled on May 15, 2021

Keywords Networked control systems, Quantized systems, Predictive control for linear systems

Abstract

We study a control architecture for linear time-invariant plants which are affected by random disturbances. The distinguishing aspect of the situation at hand is that an unreliable data-rate limited network is placed between controller and the plant input. To achieve robustness with respect to i.i.d. dropouts, the controller transmits data packets containing quantized plant input predictions. These minimize a finite horizon cost function and are provided by an appropriate optimal entropy coded dithered lattice vector quantizer. Within this context, we derive an equivalent noise-shaping model of the closed loop system. This model is employed for the design and analysis of the vector quantizer used by the controller.

 

 

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