Attitude and Velocity Estimation of a Projectile using Low Cost Magnetometers and Accelerometers

Title:	Attitude and Velocity Estimation of a Projectile using Low Cost Magnetometers and Accelerometers
Author(s):	Christophe Combettes, Sebastien Changey, Ronan Adam, Emmanuel Pecheur
Published in:	Proceedings of IEEE/ION PLANS 2018 April 23 - 26, 2018 Hyatt Regency Hotel Monterey, CA
Pages:	650 - 657
Cite this article:	Combettes, Christophe, Changey, Sebastien, Adam, Ronan, Pecheur, Emmanuel, "Attitude and Velocity Estimation of a Projectile using Low Cost Magnetometers and Accelerometers," Proceedings of IEEE/ION PLANS 2018, Monterey, CA, April 2018, pp. 650-657.
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Abstract:	A guided and controlled ammunition requires a performing navigation system. In this paper, an attitude and velocities estimation process is presented. It is based on a 3 axis magnetometer and 2 axis accelerometer. The estimation process is divided into 3 successive observers. Each observer is validated on simulations. Then the complete process is tested on free flight measurements. The results show that low cost sensors combined with a simplified 6 degrees of freedom projectile model are sufficient to estimate angular velocities without using the gyroscopes.

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