An online compensation algorithm for improving the performance of gas ring laser gyroscopes

Noad Badaoui 1, 2 Fabien Bretenaker 3 Gilles Feugnet 4 Philippe Martin 1 Bertrand Morbieu 2 Pierre Rouchon 5, 1 Sylvain Schwartz 4
5 QUANTIC - QUANTum Information Circuits
ENS Paris - École normale supérieure - Paris, UPMC - Université Pierre et Marie Curie - Paris 6, MINES ParisTech - École nationale supérieure des mines de Paris, Inria de Paris
Abstract : The gas Ring Laser Gyroscope is an excellent in- ertial rotation sensor. Nevertheless, its accuracy at low angular velocities is limited by the (very small) imperfections of the mirrors forming its optical cavity. In this paper, we propose to compensate the effect of these imperfections thanks to an online estimation of the system parameters. The estimator is designed on a suitable simplification of the model, in which the parameters appear linearly, and its convergence is proved. The relevance of the approach is illustrated in simulation; in particular, it is seen that good performance can be achieved even with lower quality mirrors.
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Communication dans un congrès
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01486899
Contributeur : François Chaplais <>
Soumis le : vendredi 10 mars 2017 - 15:37:22
Dernière modification le : mardi 4 juin 2019 - 09:22:38

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  • HAL Id : hal-01486899, version 1

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Noad Badaoui, Fabien Bretenaker, Gilles Feugnet, Philippe Martin, Bertrand Morbieu, et al.. An online compensation algorithm for improving the performance of gas ring laser gyroscopes. 2016 IEEE Conference on Control Applications (CCA), Sep 2016, Buenos Aires, Argentina. pp.736 - 742. ⟨hal-01486899⟩

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