An exponentially stable control law for quadrotors: Simulations and experiments. - Alexander Poultney; Christopher Kennedy; Garrett M. Clayton; Hashem Ashrafiuon (AIM, 2017)

Integral backstepping control for trajectory and yaw motion tracking of quadrotors. - Alexander Poultney; Peiyan Gong; Hashem Ashrafiuon (Robotica, 2019)