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- W3141307057 abstract "The main problem of particle filter (PF) in nonlinear state estimation is the particle degeneracy. Resampling operation solves degeneracy to some extent, but it results in the problem of sample impoverishment. Variance reduction technique is proposed to deal with the degeneration phenomenon in this paper, which reduces the variance of the particle weights by selecting an exponential fading factor, and this factor can be chosen adaptively and iteratively in terms of the effective particle number. A theorem is presented to show that this idea is feasible, and the procedure of this new adaptive particle filtering (APF) algorithm is presented. Then, the principle of parameter choice and the limitation of APF are discussed. Finally, a numerical example illustrates that the proposed APF has a higher estimation precision than particle filter-sampling importance resampling (PF-SIR), genetic particle filter (GPF), and particle swarm optimization particle filter (PSOPF), while the computation load of APF is mild." @default.
- W3141307057 created "2021-04-13" @default.
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- W3141307057 date "2010-01-01" @default.
- W3141307057 modified "2023-09-25" @default.
- W3141307057 title "Design of an Adaptive Particle Filter Based on Variance Reduction Technique" @default.
- W3141307057 hasPublicationYear "2010" @default.
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