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Anticipative grid design in point-mass approach to nonlinear state estimation

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3 Author(s)
M. Simandl ; Dept. of Cybern., Univ. of West Bohemia, Pilsen, Czech Republic ; J. Kralovec ; T. Soderstrom

Numerical solution of the Bayesian recursive relations by the point-mass approach is treated. The stress is laid on the grid design as the main user design problem in this approach. An anticipative approach for finding a minimum sufficient number of grid points is developed, yielding a new adaptive algorithm reducing the computational operations without a loss of estimation accuracy. A numerical example is presented to compare the new algorithm with the standard point-mass technique and with a sequential importance sampling nonlinear filtering algorithm

Published in:

IEEE Transactions on Automatic Control  (Volume:47 ,  Issue: 4 )