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Predictive Control for Performance Improvement of a Feedback Control System Using Cyclostationary Channels

Cesar CARRIZO, Kentaro KOBAYASHI, Hiraku OKADA, Masaaki KATAYAMA

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Summary :

This manuscript presents a simple scheme to improve the performance of a feedback control system that uses power line channels for its feedback loop. The noise and attenuation of power lines, and thus the signal to noise ratio, are known to be cyclostationary. Such cyclic features in the channel allow us to predict virtually error free transmission instants as well as instants of high probability of errors. This paper introduces and evaluates the effectiveness of a packet transmission scheduling that collaborates with a predictive control scheme adapted to this cyclostationary environment. In other words, we explore the cooperation between the physical and application layers of the system in order to achieve an overall optimization. To rate the control quality of the system we evaluate its stability as well as its ability to follow control commands accurately. We compare a scheme of increased packet rate against our proposed scheme which emulates a high packet rate with the use of predictive control. Through this comparison, we verify the effectiveness of the proposed scheme to improve the control quality of the system, even under low signal to noise ratio conditions in the cyclostationary channel.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.4 pp.1000-1005
Publication Date
2015/04/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.1000
Type of Manuscript
PAPER
Category
Communication Theory and Signals

Authors

Cesar CARRIZO
  Graduate School of Engineering, Nagoya University
Kentaro KOBAYASHI
  Nagoya University
Hiraku OKADA
  Nagoya University
Masaaki KATAYAMA
  Nagoya University

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