3 papers
eess.SY2026
An Equivariant Filter for Spacecraft Nonlinear Relative Navigation with Range and Bearing Measurements
Gil Serrano, Bruno J. Guerreiro, Pedro Lourenço +1
Relative navigation is a fundamental task in space proximity operations and autonomous rendezvous. The nonlinear relative orbital dynamics are equivariant and admit a semidirect pr…
eess.SY2025
Equivariant Filter Cascade for Relative Attitude, Target's Angular Velocity, and Gyroscope Bias Estimation
Gil Serrano, Pedro Lourenço, Bruno J. Guerreiro +1
Rendezvous and docking between a chaser spacecraft and an uncooperative target, such as an inoperative satellite, require synchronization between the chaser spacecraft and the targ…
eess.SY2025
Equivariant Filter for Relative Attitude and Target's Angular Velocity Estimation
Gil Serrano, Bruno J. Guerreiro, Pedro Lourenço +1
Accurate estimation of the relative attitude and angular velocity between two rigid bodies is fundamental in aerospace applications such as spacecraft rendezvous and docking. In th…