Journal
AUTOMATICA
Volume 50, Issue 5, Pages 1451-1458Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2014.03.006
Keywords
Decentralized optimal LQ state observer; Price decomposition-coordination; Augmented Lagrangian
Funding
- France-Venezuela ECOS program [V11M02/PI-2010000303]
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This paper is devoted to the design of a decentralized optimal batch LQ state observer for state estimation of large-scale interconnected systems, well suited for implementation on a sensor network. The here-proposed approach relies on both the use of an augmented Lagrangian formulation and a price-decomposition coordination algorithm. The state estimation of an open-channel hydraulic system illustrates the effectiveness of this approach and is used to provide a comparison with alternative methods. (c) 2014 Elsevier Ltd. All rights reserved.
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