The course focuses on the dynamics modeling, navigation and control of satellites flying in formations.
Summary of topics:
Summary of topics:
Introduction
Organization of the Course
Examples of formations
Past and future missions
Formation Dynamics
Fundamentals of astrodynamics, relative Motion
Relative Motion, circular reference orbit: special trajectories
Relative Motion, elliptic reference orbit, perturbed dynamics
Nonlinear relative motion and periodicity;
Differential orbital elements
Relative Attitude dynamics: fundamentals
Formation Control
Impulsive strategies
LQR - concepts and proof
LQR - example of application
Lyapunov; Simulink models.
Discrete LQR, PWM
Linear Programming
Model Predictive Control
Actuators
Formation Navigation
Linear Kalman Filter, concept, proof
Linear Kalman filter, application to the formation
Extended Kalman filter
Visual navigation
Collision avoidance strategies
Side topics
Swarms of satellites
Testbeds- Docente: MARCO SABATINI