Remote optimal state estimation over communication channels with random delays

Magdi S. Mahmoud, Fouad Al-Sunni, Bo Liu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper considers the optimal estimation of linear systems over unreliable communication channels with random delays. In this work, it is assumed that the system to be estimated is far away from the filter. The observations of the system are capsulized without time stamp and then transmitted to the network node at which the filter is located. The probabilities of time delays are assumed to be known. The event-driven estimation scheme is applied in this paper and the estimate of the states is updated only at each time instant when any measurement arrives. To capture the feature of communication, the system considered is augmented, and the arrived measurements are regarded as the uncertain observations of the augmented system. The corresponding optimal estimation algorithm is proposed and additionally, a numerical simulation represents the performance of this work. © 2014 The authors. Published by Oxford University Press on behalf of the Institute of Mathematics and its Applications. All rights reserved.
Original languageEnglish (US)
Pages (from-to)387-404
Number of pages18
JournalIMA Journal of Mathematical Control and Information
Volume32
Issue number2
DOIs
StatePublished - Jan 22 2014

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