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Communication Dans Un Congrès Année : 2004

Non-Linear Filtering Approaches for INS/GPS Integration

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Résumé

Navigation with an integrated INS/GPS approach requires to solve a set of nonlinear equations. In this case, nonlinear filtering techniques such as Particle Filtering methods are expected to perform better than the classical, but suboptimal, Extended Kalman Filter. Besides, the INS/GPS model has a conditionally linear Gaussian structure. A Rao-Blackwellization procedure can then be applied to reduce the variance of the state estimates. This paper studies different algorithms combining Rao-Blackwellization and particle filtering for a specific INS/GPS scenario. Simulation results illustrate the performance of these algorithms. The variance of the estimates is also compared to the corresponding posterior Cramer-Rao bound.
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Dates et versions

hal-01021735 , version 1 (30-10-2014)

Identifiants

  • HAL Id : hal-01021735 , version 1

Citer

Audrey Giremus, Arnaud Doucet, Anne-Christine Escher, Jean-Yves Tourneret. Non-Linear Filtering Approaches for INS/GPS Integration. EUSIPCO 2004, 12th European Signal Processing Conference, Sep 2004, Vienna, Austria. pp 873-876. ⟨hal-01021735⟩
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