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A mini-max robust estimation fusion in distributed multi-sensor target tracking systems

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1 Author(s)
Xiaomei Qu ; Coll. of Comput. Sci. & Technol., Southwest Univ. for Nat., Chengdu, China

This paper proposed a mini-max fusion strategy in distributed multi-sensor system, which aims to minimize the worst-case squared estimation error when the cross-covariances between local sensors are unknown. The resulted estimation fusion is called as the Chebyshev fusion estimation (CFE) which is actually a non-linear combination of local estimations. We have also proofed that the CFE is better than any local estimator in the sense of minimize the worst-case squared estimation error. Moreover, a sensitive analysis about the choice of the support bound is carried out. The simulations illustrate that the proposed CFE is a robust fusion and more accurate than the previous covariance intersection (CI) estimation fusion method.

Published in:

Computational Problem-Solving (ICCP), 2012 International Conference on

Date of Conference:

19-21 Oct. 2012