Abstract

This article proposes a technique for the selection of the /spl sigma/-set for a probability distribution approximation filter, i.e., the unscented filter. The /spl sigma/-set is selected so as to capture the higher order input statistics. The Taylor series expansion is used to illustrate that the 3/sup rd/ order and higher statistics of the nonlinear transformation can be reproduced while the unscented filter captures the statistics up to the 3/sup rd/ order only. Two benchmark problems are used to corroborate the proposed solution.

Keywords

Benchmark (surveying)Filter (signal processing)Unscented transformSigmaTransformation (genetics)Taylor seriesOrder statisticSet (abstract data type)Order (exchange)Kalman filterMathematicsApplied mathematicsStatisticsComputer scienceAlgorithmExtended Kalman filterEnsemble Kalman filterMathematical analysisPhysics

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The scaled unscented transformation

This paper describes a generalisation of the unscented transformation (UT) which allows sigma points to be scaled to an arbitrary dimension. The UT is a method for predicting me...

2002 1097 citations

Publication Info

Year
2004
Type
article
Volume
3
Pages
2441-2446
Citations
87
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D. Tenne, Tarunraj Singh (2004). The higher order unscented filter. , 3 , 2441-2446. https://doi.org/10.1109/acc.2003.1243441

Identifiers

DOI
10.1109/acc.2003.1243441