Journal
AUTOMATICA
Volume 139, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2022.110168
Keywords
Covariance Intersection; Distributed estimation; Multisensor data fusion; Partially known correlation
Funding
- Czech Science Foundation [P103/20-06054J, GA18-08531S]
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This paper presents a linear rule for covariance intersection fusion and discusses the case when some elements of the cross-correlation matrix are known. It introduces techniques for constructing upper bounds of the joint mean square error matrix and considers explicit configurations for fusing up to four estimates, while also noting their applicability for more than four estimates.
Covariance Intersection fusion is a linear rule for combining estimates. If the cross-correlation matrix of the errors of two estimates is unknown, the rule is bound-optimal. This paper elaborates the case when some elements of the cross-correlation matrix are known. Techniques for constructing a family of upper bounds of the joint mean square error matrix are introduced. All configurations for the fusion of up to four estimates are considered explicitly. The techniques are also applicable for the fusion of more than four estimates. (C) 2022 Elsevier Ltd. All rights reserved.
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