Nonlinear attitude estimation using active vision and inertial measurements. - Sérgio Bras; Rita Cunha; José Fernandes Vasconcelos; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (CDC, 2009)

Pose observers for Unmanned Air Vehicles. - Sérgio Brás; José Fernandes Vasconcelos; Carlos Silvestre; Paulo Oliveira 001 (ECC, 2009)

Experimental evaluation of a nonlinear attitude observer based on image and inertial measurements. - Sérgio Bras; Rita Cunha; José Fernandes Vasconcelos; Carlos Silvestre; Paulo Oliveira 001 (ACC, 2010)

Optimal attitude estimation using Set-Valued Observers. - Sérgio Bras; Paulo Andre Nobre Rosa; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (CDC/ECC, 2011)

A Nonlinear Attitude Observer Based on Active Vision and Inertial Measurements. - Sérgio Bras; Rita Cunha; José Fernandes Vasconcelos; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (IEEE Trans. Robotics, 2011)

Set-Valued Observers for attitude and rate gyro bias estimation. - Sérgio Bras; Paulo Andre Nobre Rosa; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (ACC, 2012)

Fault Detection and Isolation for Inertial Measurement Units. - Sérgio Bras; Paulo Andre Nobre Rosa; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (CDC, 2012)

Integrated solution to quadrotor stabilization and attitude estimation using a pan and tilt camera. - David Cabecinhas; Sérgio Bras; Carlos Silvestre; Paulo Jorge Ramalho Oliveira; Rita Cunha (CDC, 2012)

Nonlinear observer for 3D rigid body motion. - Sérgio Bras; Maziar Izadi; Carlos Silvestre; Amit K. Sanyal; Paulo Jorge Ramalho Oliveira (CDC, 2013)

Global attitude and gyro bias estimation based on set-valued observers. - Sérgio Bras; Paulo Andre Nobre Rosa; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (Syst. Control. Lett., 2013)

Nonlinear Attitude Observer Based on Range and Inertial Measurements. - Sérgio Bras; Rita Cunha; Carlos Jorge Ferreira Silvestre; Paulo Jorge Ramalho Oliveira (IEEE Trans. Control. Syst. Technol., 2013)

Fault Detection and Isolation in Inertial Measurement Units Based on Bounding Sets. - Sérgio Bras; Paulo Andre Nobre Rosa; Carlos Silvestre; Paulo Jorge Ramalho Oliveira (IEEE Trans. Autom. Control., 2015)

Nonlinear Observer for 3D Rigid Body Motion Estimation Using Doppler Measurements. - Sérgio Bras; Maziar Izadi; Carlos Silvestre; Amit K. Sanyal; Paulo Jorge Ramalho Oliveira (IEEE Trans. Autom. Control., 2016)

Integrated Visual Servoing Solution to Quadrotor Stabilization and Attitude Estimation Using a Pan and Tilt Camera. - David Cabecinhas; Sérgio Bras; Rita Cunha; Carlos Silvestre; Paulo Oliveira 001 (IEEE Trans. Control. Syst. Technol., 2019)