Comparison of Sigma-Point and Extended Kalman Filters on a Realistic Orbit Determination Scenario
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Abstract
Sigma-point filters have received a lot of attention in recent years as a better alternative to extended Kalman filters for highly nonlinear problems. In this paper, we compare the performance of the additive divided difference Sigma-point filter to the extended Kalman filter when applied to orbit determination of a realistic operational scenario based on the Interstellar Boundary Explorer mission. For the scenario studied, both filters provided equivalent results. The performance of each is discussed in detail.
Keywords
Extended Kalman Filter Orbit Determination Sigma Point NASA Goddard Space Difference Filter
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References
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© American Astronautical Society 2014