NDLI: State-bounding estimation for nonlinear models with multiple measurements

Content Provider	IEEE Xplore Digital Library
Author	Becis-Aubry, Y. Ramdani, N.
Copyright Year	2012
Description	Author affiliation: PRISME Lab., Univ. d'Orleans, Bourges, France (Becis-Aubry, Y.; Ramdani, N.)
Abstract	A hierarchical state bounding estimation method is presented for nonlinear dynamic systems where different sensors offer several measurements of the same state vector, each of which is subject to unknown but bounded disturbances and is equipped with a local processor. For each sampling time, the proposed algorithm proceeds in two stages. At the prediction stage, an approximating outer-bounding ellipsoid is computed for the reachable set of the nonlinear function of the state vector. At the correction stage, the algorithm works at two levels : Each local processor computes the state estimate and its outer-bounding ellipsoid according to the local measurements given by the corresponding sensor. These ellipsoids are transmitted simultaneously from all local processors to the fusion center which synthesizes them to compute the global state bounding ellipsoid. Then it feeds these data back to all the local processors. This feedback allows the local processors to adjust their results by taking into account the measurements of all the other sensors.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	1883
Ending Page	1888
File Size	382397
Page Count	6
File Format	PDF
ISBN	9781457710957
ISSN	07431619
e-ISBN	9781457710964
e-ISBN	9781467321020
DOI	10.1109/ACC.2012.6315596
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Ellipsoids Vectors Noise Symmetric matrices Sensors Noise measurement Jacobian matrices
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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