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research article

A Distributed Luenberger Observer for Linear State Feedback Systems With Quantized and Rate-Limited Communications

Rego, Francisco Castro  
•
Pu, Ye
•
Alessandretti, Andrea  
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September 1, 2021
Ieee Transactions On Automatic Control

This article addresses the problem of simultaneous distributed state estimation, and control of linear systems with linear state feedback, subjected to process, and measurement noise, under the constraints of quantized, and rate-limited network data transmission. In the set-up adopted, sensors and actuators communicate through a network with a strongly connected topology. Unlike the case of centralized linear systems, for which the separation principle holds, the above practical assumption prevents the separate design of observers, and controller because each of the nodes does not necessarily have access to the control inputs generated at all the other nodes. We derive a linear distributed Luenberger observer, and a set of sufficient conditions that guarantee ultimate boundedness of the estimation error, and system state vectors, with bounds that depend on the L-infinity norm of the noise signals, and the number of bits used in the transmissions. A numerical example illustrates the performance and effectiveness of the proposed algorithm in controlling a network of open-loop unstable systems.

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Type
research article
DOI
10.1109/TAC.2020.3027658
Web of Science ID

WOS:000690441100006

Author(s)
Rego, Francisco Castro  
Pu, Ye
Alessandretti, Andrea  
Aguiar, A. Pedro
Pascoal, Antonio M.
Jones, Colin N.
Date Issued

2021-09-01

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

Published in
Ieee Transactions On Automatic Control
Volume

66

Issue

9

Start page

3922

End page

3937

Subjects

Automation & Control Systems

•

Engineering, Electrical & Electronic

•

Engineering

•

linear system observers

•

network analysis and control

•

quantized consensus

•

quantized systems

•

sensor networks

•

average consensus

•

kalman filter

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LA3  
Available on Infoscience
September 11, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/181329
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