Implementation of Nonlinear Attitude Estimators for Aerial Robotic Vehicles

Abstract : Attitude estimation is a key component of the avionics suite of any aerial robotic vehicle. This paper details theoretical and practical solutions in order to obtain a robust nonlinear attitude estimator for flying vehicles equipped with low-cost sensors. The attitude estimator is based on a nonlinear explicit complementary filter that has been significantly enhanced with an effective gyro-bias compensation via the design of an anti-windup nonlinear integrator. A measurement decoupling strategy is proposed in order to make roll and pitch estimation robust to magnetic disturbances that are known to cause errors in yaw estimation. In addition, this paper discusses the fixed-point numerical implementation of the algorithm. Finally, simulation and experimental results confirm the performance of the proposed method.
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IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2014, 22 (1), pp.201 - 213. 〈10.1109/TCST.2013.2251635〉
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https://hal.archives-ouvertes.fr/hal-01303078
Contributeur : Guillaume Ducard <>
Soumis le : vendredi 15 avril 2016 - 18:29:37
Dernière modification le : lundi 4 décembre 2017 - 15:14:12

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Minh Duc Hua, Guillaume Ducard, Tarek Hamel, Robert Mahony, Rudin Konrad. Implementation of Nonlinear Attitude Estimators for Aerial Robotic Vehicles. IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2014, 22 (1), pp.201 - 213. 〈10.1109/TCST.2013.2251635〉. 〈hal-01303078〉

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