Design of distributed esitimators over arbitrary causal networks

Andalam Satya Mohan Vamsi, Nicola Elia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

We consider the problem of designing distributed estimators that are realizable over a given causal communication network. We consider the following two cases - 1) Given an interconnected plant over a given network, we design a distributed estimator with sub-units interacting over the same network such that each sub-unit estimates the states of the corresponding sub-system of the plant; 2) Given a general plant, we design a distributed estimator on a given network such that each sub-unit estimates the whole state vector of the plant by exchanging information with other sub-units. In the first case, we model the problem as a special case of distributed controller design problem discussed in our previous work. In the second case, we use the structure of the distributed estimator to decompose the problem into n sub-problems which can be solved separately, given that the plant satisfies certain detectability assumptions. The solutions of these sub-problems are finally combined together to form a distributed estimator that is realizable over the given network.

Original languageEnglish (US)
Title of host publication2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011
Pages7305-7310
Number of pages6
DOIs
StatePublished - Dec 1 2011
Externally publishedYes
Event2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011 - Orlando, FL, United States
Duration: Dec 12 2011Dec 15 2011

Publication series

NameProceedings of the IEEE Conference on Decision and Control
ISSN (Print)0191-2216

Other

Other2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011
CountryUnited States
CityOrlando, FL
Period12/12/1112/15/11

Keywords

  • Distributed estimation
  • H filtering
  • Interconnected systems
  • Network realizability

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