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Distributed Fusion Estimation for Multisensor Multirate Systems with Stochastic Observation Multiplicative Noises
Joint Authors
Source
Mathematical Problems in Engineering
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-02-12
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
This paper studies the fusion estimation problem of a class of multisensor multirate systems with observation multiplicative noises.
The dynamic system is sampled uniformly.
Sampling period of each sensor is uniform and the integer multiple of the state update period.
Moreover, different sensors have the different sampling rates and observations of sensors are subject to the stochastic uncertainties of multiplicative noises.
At first, local filters at the observation sampling points are obtained based on the observations of each sensor.
Further, local estimators at the state update points are obtained by predictions of local filters at the observation sampling points.
They have the reduced computational cost and a good real-time property.
Then, the cross-covariance matrices between any two local estimators are derived at the state update points.
At last, using the matrix weighted optimal fusion estimation algorithm in the linear minimum variance sense, the distributed optimal fusion estimator is obtained based on the local estimators and the cross-covariance matrices.
An example shows the effectiveness of the proposed algorithms.
American Psychological Association (APA)
Fangfang, Peng& Shuli, Sun. 2014. Distributed Fusion Estimation for Multisensor Multirate Systems with Stochastic Observation Multiplicative Noises. Mathematical Problems in Engineering،Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-466917
Modern Language Association (MLA)
Fangfang, Peng& Shuli, Sun. Distributed Fusion Estimation for Multisensor Multirate Systems with Stochastic Observation Multiplicative Noises. Mathematical Problems in Engineering No. 2014 (2014), pp.1-8.
https://search.emarefa.net/detail/BIM-466917
American Medical Association (AMA)
Fangfang, Peng& Shuli, Sun. Distributed Fusion Estimation for Multisensor Multirate Systems with Stochastic Observation Multiplicative Noises. Mathematical Problems in Engineering. 2014. Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-466917
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-466917