Teleoperation control of formation among multiple under-actuated quadrotor UAVs. - Francis B. Choi; Dongjun Lee (RO-MAN, 2013)

Passivity-based adaptive backstepping control of quadrotor-type UAVs. - ChangSu Ha; Zhiyuan Zuo; Francis B. Choi; Dongjun Lee (Robotics Auton. Syst., 2014)