Distributed Cubature Kalman Filter Based on MEEF With Adaptive Cauchy Kernel for State Estimation

D. Nguyen,Haiquan Zhao,Jinhui Hu

Published 2025 in IEEE Transactions on Control Systems Technology

ABSTRACT

Nowadays, with the development of multisensor networks, the distributed cubature Kalman filter (DCKF) is one of the well-known existing schemes for state estimation, for which the influence of the non-Gaussian noise, abnormal data, and communication burden are urgent challenges. In this article, a DCKF based on adaptive minimum error entropy (MEE) with fiducial points (AMEEF) criterion adaptive MEE with fiducial points-based DCKF (AMEEF-DCKF) is proposed to overcome the above limitations. Specifically, first, in order to solve the influence of various types of non-Gaussian noise and abnormal data, the AMEEF optimization criterion is designed, in which the kernels used are Cauchy kernels with adaptive bandwidth. At the same time, the designed optimization criterion has enhanced the numerical stability and optimized the kernel bandwidth value. Next, in order to address the communication burden problem in multisensor networks, where a leader and a follower are distinguished, a distributed algorithm is constructed to achieve an average consensus among these sensors, called leader–follower average consensus (LFACs). Additionally, the convergence proof of the average consensus algorithm and the computational complexity analysis of the AMEEF-DCKF algorithm are also presented. Finally, through a 10-node sensor network, the effectiveness of the proposed algorithm is demonstrated in estimating the state of the power system and navigating land vehicles in complex environments.

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