Geodesic
On hybrid consensus-based extended Kalman filtering with random link failures over sensor networks
Kybernetika, Tome 56 (2020) no. 1, pp. 189-212

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This paper is concerned with the distributed filtering problem for nonlinear time-varying systems over wireless sensor networks under random link failures. To achieve consensus estimation, each sensor node is allowed to communicate with its neighboring nodes according to a prescribed communication topology. Firstly, a new hybrid consensus-based filtering algorithm under random link failures, which affect the information exchange between sensors and are modeled by a set of independent Bernoulli processes, is designed via redefining the interaction weights. Second, a novel observability condition, called parameterized jointly uniform observability, is proposed to ensure the stochastic boundedness of the error covariances of the hybrid consensus-based filtering algorithm. Finally, an example is given to demonstrate the effectiveness of the derived theoretical results.
DOI : 10.14736/kyb-2020-1-0189
Keywords: extended Kalman filter; hybrid consensus filter; sensor network; distributed state estimation; random link failure 
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     title = {On hybrid consensus-based extended {Kalman} filtering with random link failures over sensor networks},
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Zhu, Pailiang; Wei, Guoliang; Li, Jiajia. On hybrid consensus-based extended Kalman filtering with random link failures over sensor networks. Kybernetika, Tome 56 (2020) no. 1, pp. 189-212. doi: 10.14736/kyb-2020-1-0189

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