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A real-time unscented Kalman filter on manifolds for challenging AUV navigation

Abstract : We consider the problem of localization and navigation of Autonomous Underwater Vehicles (AUV) in the context of high performance subsea asset inspection missions in deep water. We propose a solution based on the recently introduced Unscented Kalman Filter on Manifolds (UKF-M) for onboard navigation to estimate the robot's location, attitude and velocity, using a precise round and rotating Earth navigation model. Our algorithm has the merit of seamlessly handling nonlinearity of attitude, and is far simpler to implement than the extended Kalman filter (EKF), which is widely used in the navigation industry. The unscented transform notably spares the user the computation of Jacobians and lends itself well to fast prototyping in the context of multi-sensor data fusion. Besides, we provide the community with feedback about implementation, and execution time is shown to be compatible with real-time. Realistic extensive Monte-Carlo simulations prove uncertainty is estimated with accuracy by the filter, and illustrate its convergence ability. Real experiments in the context of a 900m deep dive near Marseille (France) illustrate the relevance of the method.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-02915271
Contributor : Silvere Bonnabel <>
Submitted on : Friday, August 14, 2020 - 5:23:18 AM
Last modification on : Thursday, September 24, 2020 - 5:04:01 PM
Long-term archiving on: : Monday, November 30, 2020 - 7:30:24 PM

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  • HAL Id : hal-02915271, version 1

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Théophile Cantelobre, Clément Chahbazian, Arnaud Croux, Silvère Bonnabel. A real-time unscented Kalman filter on manifolds for challenging AUV navigation. IEEE International Conference on Intelligent Robots and Systems, Oct 2020, Las Vegas, United States. ⟨hal-02915271⟩

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