Goodwin, Graham C. (The Univ. of Newcastle), Quevedo, Daniel E. (The Univ. of Newcastle), Silva, Eduardo I. (The Univ. of Newcastle)

Filter Banks in Networked Control

Scheduled for presentation during the Mini-Symposium "Data Rate Constraints in Networked Control and Estimation" (FrP12), Friday, July 28, 2006, 16:35−17:00, Room 104b

17th International Symposium on Mathematical Theory of Networks and Systems, July 24-28, 2006, Kyoto, Japan

This information is tentative and subject to change. Compiled on April 25, 2024

Abstract

Networked Control Systems (NCS's) have attracted significant attention in recent literature. The reasons for this interest are manifold and derive from the enabling power of linking communications and control. Some of the key system theoretic issues under current study include the channel capacity necessary to stabilize an unstable system via a communication channel and the fundamental limitations which govern the operation of NCS's. In this paper, we will adopt a complementary viewpoint in which we focus on performance aspects. In particular, we recognize that the power transmitted over the associated communication channel is a fundamental quantity of interest in NCS's. This, in turn, leads us to investigate the possibility of designing a NCS by using parsimonious signal processing techniques, such as predictive coding and subband processing. The latter is a widely used tool to achieve low bit-rate signal representations in the context of audio and video compression. We will illustrate how these methods can be used in NCS's to achieve good performance with limited channel utilization.