no code implementations • 4 Aug 2022 • Eduardo Espíndola, Yu Tang
Lastly, an adaptive attitude tracking controller relying on a modified gyro-bias observer and with no over-parametrization is developed to deal with the unknown inertia matrix.
no code implementations • 10 Feb 2022 • Eduardo Espíndola, Yu Tang
This paper presents a novel Lagrangian approach to attitude tracking for rigid spacecraft using unit quaternions, where the motion equations of a spacecraft are described by a four degrees of freedom Lagrangian dynamics subject to a holonomic constraint imposed by the norm of a unit quaternion.
