2002
DOI: 10.1109/9.995053
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Anticipative grid design in point-mass approach to nonlinear state estimation

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Cited by 70 publications
(23 citation statements)
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“…The direct numerical solution of the Fokker-Planck equation has been proposed as one implementation of nonlinear filtering; published results use variants of a fixed grid in the target's state-space [4,18]. However, the "moving mesh" methods developed for the solution of partial differential equations [2,5,9,10] have significant computational advantages over fixed grids: they place sample points where they are required by the underlying target density, and adapt these sample points as the density evolves.…”
Section: Solution Of the Density Equationmentioning
confidence: 98%
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“…The direct numerical solution of the Fokker-Planck equation has been proposed as one implementation of nonlinear filtering; published results use variants of a fixed grid in the target's state-space [4,18]. However, the "moving mesh" methods developed for the solution of partial differential equations [2,5,9,10] have significant computational advantages over fixed grids: they place sample points where they are required by the underlying target density, and adapt these sample points as the density evolves.…”
Section: Solution Of the Density Equationmentioning
confidence: 98%
“…Bayesian filters are implemented using either Monte Carlo methods (MCMs), i.e., "particle filters" [3,6,8,15], or by direct numerical computation [4,18,7]. A new approach to nonlinear Bayesian filtering is proposed in this paper that uses the direct numerical approach.…”
Section: Introductionmentioning
confidence: 99%
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“…Other possible approaches are statistical linearization [17], grid based methods [35], [37] and multiple model methods [7], [35], Gaussian sum approximations [38], [39], and numerical solving of the Kolmogorov forward equation [40], [41].…”
Section: B Optimal Continuous-discrete Filteringmentioning
confidence: 99%
“…Unfortunately, the resulting Gaussian densities are not capable of representing arbitrary density functions that may appear in estimation problems of arbitrary nonlinear systems. Other density representations include Gaussian mixture densities [7], gridbased approaches [8], simple moments of probability density functions [9], exponential densities [3], fourier series [10], [11], the representation by means of sample sets [12], or Dirac mixture densities [13], which are capable of representing more general densities.…”
Section: Introductionmentioning
confidence: 99%